GLP-1 Market
LLY $1179.27 ▲ +0.8% NVO $38.64 ▲ +1.2% PFE $28.28 ▲ +1.7% VKTX $28.51 ▲ +2.8% KLRA $11.61 ▲ +16.1% GPCR $25.54 ▼ -0.5% RHHBY $54.09 ▲ +1.3%
Market data delayed up to 20 min · Source: Twelve Data

Empowering you to have better conversations with your doctor.

Subscribe
About this data Sourced primarily from ClinicalTrials.gov — a listing isn't proof of safety or FDA approval.

Pipeline and clinical trial information here comes primarily from ClinicalTrials.gov. A listing on ClinicalTrials.gov means a study has been registered — not that a treatment is proven safe, effective, or FDA-approved. Investigational treatments may never be approved. Who can join a trial is decided only by that trial's own study team.

Not yet reported

Cholecalciferol

Company
Medical University of Graz
Mechanism
Mechanism not yet reported
Route
Route not yet reported
Recruiting trials
34 recruiting

Efficacy results: Not yet reported

Find a Clinical Trial Near Me

34 recruiting studies currently listed on ClinicalTrials.gov.

Data source: ClinicalTrials.gov · trial data as of Oct 10, 2026

Find a Clinical Trial Near Me

See recruiting studies for Cholecalciferol and check eligibility with the study team.

Select conditions
Match
Treatment type

"Added to GLP-1" means the investigational treatment is being studied on top of an existing GLP-1-based therapy.

Your ZIP code is only used to calculate distance to trial sites — it isn't stored.

Trial details
  • Recruiting NCT NCT02705287

    Vitamin D Dynamics in Women

    Cornell University 160 participants Est. completion 2029-05 1 site
    Other conditions: Pregnancy
    View official trial listing →
  • Recruiting NCT NCT03824106

    Frailty Rehabilitation

    Not yet reported McMaster University 324 participants Est. completion 2025-12-31 1 site
    Other conditions: Frailty
    View official trial listing →
  • Recruiting NCT NCT04442412

    Prephase Treatment With Prednisone +/- Vitamin D Supplementation Followed by Immunochemotherapy

    Not yet reported Fondazione Italiana Linfomi - ETS 430 participants Est. completion 2030-09-01 49 sites Stand-alone
    Other conditions: Diffuse Large B-Cell Lymphoma, Elderly Patients
    View official trial listing →
  • Recruiting NCT NCT04704947

    Clinical Study Evaluating Beta Blockers Use and Fracture Risk in Patients With Primary Osteoporosis

    Not yet reported Sherief Abd-Elsalam 50 participants Est. completion 2030-10-01 1 site
    Other conditions: Beta Blocker Toxicity
    View official trial listing →
  • Recruiting NCT NCT04775381

    Total Post-thyroidectomy Hypocalcemia After Preoperative Cholecalciferol Supplementation

    Not yet reported Hôpital NOVO 200 participants Est. completion 2026-03 6 sites Stand-alone
    Other conditions: Hypocalcemia
    View official trial listing →
  • Recruiting NCT NCT04987073

    Vitamin D Analog in Vitamin D 24-hydroxylase Deficiency

    Not yet reported University Hospital, Caen 30 participants Est. completion 2027-07-01 1 site
    Other conditions: Idiopathic Infantile Hypercalcemia - Severe Form
    View official trial listing →
  • Recruiting NCT NCT05045066

    Immunological Effects of Vitamin D Replacement Among Black/African American Prostate Cancer Patients

    Not yet reported Mayo Clinic 220 participants Est. completion 2029-08-31 2 sites Stand-alone
    Other conditions: Localized Prostate Carcinoma, Stage IV Prostate Cancer AJCC v8, Locally Recurrent Prostate Carcinoma, Metastatic Prostate Carcinoma
    View official trial listing →
  • Recruiting NCT NCT05589064

    Evaluation of the Impact of a Dietary and Nutritional Intervention on Persistent Post-concussive Symptoms

    Not yet reported Universite de Moncton 120 participants Est. completion 2025-06 1 site Stand-alone
    Other conditions: Brain Injury Traumatic Mild
    View official trial listing →
  • Recruiting NCT NCT05838716

    Vitamin D for Prostate Endocrine Therapy

    Not yet reported University of Rochester 240 participants Est. completion 2029-04-29 51 sites
    Other conditions: Stage I Prostate Cancer AJCC v8, Stage II Prostate Cancer AJCC v8, Stage III Prostate Cancer AJCC v8, Stage IVA Prostate Cancer AJCC v8
    View official trial listing →
  • Recruiting NCT NCT05846880

    VitD3 Supplementation in Patients With Multiple Myeloma

    Not yet reported Amany Keruakous, MD, MS. 100 participants Est. completion 2028-05 1 site Stand-alone
    Other conditions: Multiple Myeloma
    View official trial listing →
  • Recruiting NCT NCT05937789

    Early Vitamin D3 Supplementation for Critically Ill Patients

    Not yet reported National Taiwan University Hospital 240 participants Est. completion 2026-12-31 1 site Stand-alone
    Other conditions: Vitamin D Deficiency, Critical Illness
    View official trial listing →
  • Recruiting NCT NCT06045351

    Efficacy of Injectable Vitamin D Supplementation in Females With Polycystic Ovary Syndrome

    Not yet reported Aga Khan University 142 participants Est. completion 2026-12-31 1 site
    Other conditions: Anovulatory Infertility
    View official trial listing →
  • Recruiting NCT NCT06141239

    2D/3D Imaging to Analyze the Regeneration Rate of Autologous Bone

    Not yet reported Chang Gung Memorial Hospital 48 participants Est. completion 2025-07-31 1 site
    Other conditions: Alveolar Ridge Preservation
    View official trial listing →
  • Recruiting NCT NCT06201013

    Vitamin D Treat-to-Target Strategy for Children With Overactive Bladder-Wet

    Not yet reported Children's Hospital of Chongqing Medical University 180 participants Est. completion 2027-04-15 1 site Stand-alone
    Other conditions: Urinary Bladder, Overactive, Overactive Bladder, Urinary Incontinence, Urge
    View official trial listing →
  • Recruiting NCT NCT06551337

    Vitamin D Replacement in Bronchiectasis

    Not yet reported Queen Mary Hospital, Hong Kong 104 participants Est. completion 2027-06-30 1 site
    Other conditions: Bronchiectasis
    View official trial listing →
  • Recruiting NCT NCT06570889

    VItamin D in pregnanCy for prevenTion Of eaRlY Childhood Asthma

    Not yet reported Professor Klaus Bønnelykke 2000 participants Est. completion 2033-03 1 site Stand-alone
    Other conditions: Asthma, Respiratory Tract Infections, Gastrointestinal Infection, Croup, Eczema, Allergy, Wheezing, Fractures, Bone, Development, Child, Cognition Disorders in Children, Psychiatric Diagnosis
    View official trial listing →
  • Recruiting NCT NCT06642428

    Effect of Vitamin D Supplementation on the Efficacy and Adverse Effects of Neoadjuvant Therapy in Patients with Breast Cancer

    Not yet reported Jiuda Zhao 140 participants Est. completion 2026-04-30 2 sites
    Other conditions: Vitamin D, Neoadjuvant Therapy, Breast Cancer, Adverse Reaction, Efficacy, Chemotherapy
    View official trial listing →
  • Recruiting NCT NCT06765265

    Impact of Atorvastatin Versus Rosuvastatin on 25 Hydroxy Vitamin D Levels in Patients With Acute Coronary Syndrome

    Not yet reported King Edward Medical University 152 participants Est. completion 2026-01-01 1 site
    Other conditions: Acute Coronary Syndromes
    View official trial listing →
  • Recruiting NCT NCT06776640

    Perioperative Oral Vitamin D3 Supplementation on Implant Osseointegration

    Nantes University Hospital 60 participants Est. completion 2027-05-15 1 site
    Other conditions: Implant Site Reaction
    View official trial listing →
  • Recruiting NCT NCT06791044

    25(OH)-Vitamin D and Its Association With Structural and Functional Parameters in Hospitalized Patients With Neurological Diseases

    Not yet reported Dionyssiotis, Yannis, M.D. 120 participants Est. completion 2027-12-31 2 sites
    Other conditions: Vitamin D Insufficiency
    View official trial listing →
  • Recruiting NCT NCT07053657

    Effect of Vitamin D on Cardiovascular Metabolic Risk in Overweight/Obesity Adolescents in China

    Not yet reported Anhui Medical University 130 participants Est. completion 2025-12-31 2 sites Stand-alone
    Other conditions: Cardiometabolic Risk Factors
    View official trial listing →
  • Recruiting NCT NCT07085598

    Effect of Vitamin D3 Supplementation on Cardiac Autonomic Nerve Function in Male Epileptic Patients With Hypovitaminosis D

    Not yet reported Bangladesh Medical University 15 participants Est. completion 2025-10 1 site
    Other conditions: Epilepsy
    View official trial listing →
  • Recruiting NCT NCT07099586

    Vitamin B12, Folic Acid, and Vitamin D Status in Women of Reproductive Age

    University of Mostar 360 participants Est. completion 2025-12-01 1 site
    Other conditions: Vitamin d, Vitamin B 12 and Folic Acid Concentrations, Micronutrient Status in Women of Reproductive Age, Vitamin Status Assessment
    View official trial listing →
  • Recruiting NCT NCT07130305

    is There an Effect of Adding Body Vibration to Intake of Vitamin D on Some Outcomes of Familial Mediterranean Fever

    Not yet reported Cairo University 40 participants Est. completion 2026-01-15 1 site
    Other conditions: Familial Mediterranean Fever
    View official trial listing →
  • Recruiting NCT NCT07222111

    Prebiotics (Dried Plum) and Immune Function in Postmenopausal Women

    Not yet reported Indiana University 30 participants Est. completion 2028-08-30 1 site
    Other conditions: T Cell Response to Dried Plum, Vitamin D Influence on Immune Response, Dried Plum and Immune Function
    View official trial listing →
  • Recruiting NCT NCT07241585

    Vitamin D Effects on Immune Microenvironment of Nonmelanoma Skin Cancer After Photodynamic Therapy (PDT)

    Not yet reported Case Comprehensive Cancer Center 54 participants Est. completion 2027-08 1 site
    Other conditions: Nonmelanoma Skin Cancer, Basal Cell Carcinoma, Squamous Cell Carcinoma
    View official trial listing →
  • Recruiting NCT NCT07288801

    Vitamin D for Preventing Recurrent Preeclampsia in Pregnant Women

    Not yet reported Nishtar Medical University 146 participants Est. completion 2026-02-08 1 site
    Other conditions: Pre-eclampsia, Pregnancy, Vitamin D
    View official trial listing →
  • Recruiting NCT NCT07293910

    Vonoprazan vs Proton Pump Inhibitor With Vitamin D or Probiotics Based Triple Therapy for Eradication of Helicobacter Pylori Infection

    Not yet reported Tanta University 132 participants Est. completion 2026-12-20 1 site
    Other conditions: HELICOBACTER PYLORI INFECTIONS, Helicobacter Infection, Helicobacter Pylori Gastrointestinal Tract Infection, Helicobacter Pylori Infected Patients
    View official trial listing →
  • Recruiting NCT NCT07296471

    Vitamin D Status and Multi-Omics Profiles in Primary Osteoporosis

    Dr. Li Chen 120 participants Est. completion 2027-11-30 1 site
    Other conditions: Primary Osteoporosis
    View official trial listing →
  • Recruiting NCT NCT07419633

    This Study Investigates β-hydroxy-β-methylbutyrate (HMB) and 2-hydroxybenzylamine (2-HOBA), When Administered Either Individually or in Combination Contributes to an Increased Quality of Health, Specifically Improving Muscular Strength and Cognitive Functioning in Adults Over the Age of 65.

    Not yet reported McGill University Health Centre/Research Institute of the McGill University Health Centre 120 participants Est. completion 2027-02-05 1 site Stand-alone
    Other conditions: Muscle, Cognitive Functioning, Geriatric, Ageing and Geriatric Health, Ageing
    View official trial listing →
  • Recruiting NCT NCT07491965

    Association Between Benign Paroxysmal Positional Vertigo and Vitamin D Deficiency .

    Sohag University 160 participants Est. completion 2026-10-01 1 site
    Other conditions: Benign Paroxysmal Positional Vertigo (BPPV)
    View official trial listing →
  • Recruiting NCT NCT07647198

    FATIMA Trial: EGCG and Vitamin D3 for Prevention of Fibroid Recurrence

    Not yet reported Sheikh Shakhbout Medical City 240 participants Est. completion 2029-12-22 1 site Stand-alone
    Other conditions: Uterine Fibroids (Leiomyoma)
    View official trial listing →
  • Recruiting NCT NCT07648706

    Vitamin D3 Supplementation Regimens and Preeclampsia Risk

    Not yet reported Sana'a University 268 participants Est. completion 2026-09 1 site Stand-alone
    Other conditions: Preeclampsia
    View official trial listing →
  • Recruiting NCT NCT07864662

    Impact of Trout Fish, Cow Milk With Egg, Vitamin D Supplementation, and Dietary Education on Vitamin D Status, Undernutrition, and Neurocognitive Outcomes Among School Children in Pakistan: An Open-label Individually Randomized Controlled Trial

    Not yet reported Aga Khan University 304 participants Est. completion 2027-09-30 1 site
    Other conditions: Vitamin D 25-Hydroxylase Deficiency, Undernutrition, Neurocognitive Development
    View official trial listing →
  • Completed NCT NCT00001304

    Treatment of Hypoparathyroidism With Synthetic Human Parathyroid Hormone 1-34

    Not yet reported Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) 27 participants Est. completion 2014-04 1 site
    Other conditions: Hypoparathyroidism
    View official trial listing →
  • Completed NCT NCT00004402

    Phase III Randomized Study of Interferon Gamma in Children With Severe, Congenital Osteopetrosis

    Not yet reported FDA Office of Orphan Products Development 30 participants Est. completion 2000-06
    Other conditions: Osteopetrosis
    View official trial listing →
  • Completed NCT NCT00006275

    Study of Topical Calcitriol in Children With Psoriasis

    Not yet reported National Center for Research Resources (NCRR) 20 participants Est. completion 2000-07
    Other conditions: Psoriasis
    View official trial listing →
  • Completed NCT NCT00013962

    Vitamin D Metabolism and the Williams Syndrome

    National Center for Research Resources (NCRR) 1 site
    Other conditions: Williams Syndrome
    View official trial listing →
  • Completed NCT NCT00033826

    Role of Fat Tissue in Vitamin D Metabolism

    Tufts University 41 participants Est. completion 2007-09 1 site
    Other conditions: Vitamin D, Adipose Tissue
    View official trial listing →
  • Completed NCT NCT00054418

    Risedronate in Preventing Bone Loss in Premenopausal Women Receiving Chemotherapy for Primary Breast Cancer

    Not yet reported Alliance for Clinical Trials in Oncology 216 participants Est. completion 2008-05 199 sites
    Other conditions: Breast Cancer, Osteoporosis
    View official trial listing →
  • Terminated NCT NCT00062699

    Evaluate the Survival Benefits of Zemplar Versus Calcijex in Subjects w/ Stage V Chronic Kidney Disease on Hemodialysis

    Not yet reported Abbott 2200 participants 60 sites
    Other conditions: End-Stage Kidney Disease
    View official trial listing →
  • Completed NCT NCT00103740

    Safety and Efficacy Trial With Zoledronic Acid for the Treatment of Paget's Disease of Bone, Including an Extended Observation Period

    Not yet reported Novartis Pharmaceuticals 185 participants Est. completion 2011-04 41 sites
    Other conditions: Paget's Disease of Bone
    View official trial listing →
  • Completed NCT NCT00138983

    Prevention of Glucocorticoid-Induced Osteoporosis in Rheumatic Diseases: Alendronate Versus Alfacalcidol.

    Not yet reported UMC Utrecht 200 participants Est. completion 2003-11 1 site
    Other conditions: Rheumatoid Arthritis, Polymyalgia Rheumatica, Giant Cell Arteritis, Polymyositis, Wegener's Granulomatosis
    View official trial listing →
  • Completed NCT NCT00157066

    Effects of Vitamin D Supplementation on Antimycobacterial Immunity

    Not yet reported Barts & The London NHS Trust 230 participants Est. completion 2006-09 1 site
    Other conditions: Tuberculosis
    View official trial listing →
  • Completed NCT NCT00182741

    Calcitriol, Mitoxantrone, and Prednisone in Treating Patients With Metastatic Prostate Cancer

    Not yet reported OHSU Knight Cancer Institute 19 participants Est. completion 2006-08 1 site
    Other conditions: Prostate Cancer
    View official trial listing →
  • Completed NCT NCT00204906

    Correction of Vitamin D Inadequacy in Nursing Home Residents

    Not yet reported University of Wisconsin, Madison 1 site
    Other conditions: Hypovitaminosis D
    View official trial listing →
  • Completed NCT NCT00235586

    Vitamin D Deficiency: Bone Loss and Vascular Dysfunction

    Not yet reported University of Kansas 40 participants Est. completion 2007-09 1 site
    Other conditions: Postmenopausal Women
    View official trial listing →
  • Completed NCT NCT00238225

    Calcitriol, Ketoconazole, and Dexamethasone in Treating Patients With Metastatic or Unresectable Solid Tumors

    Not yet reported Roswell Park Cancer Institute 15 participants 1 site
    Other conditions: Unspecified Adult Solid Tumor, Protocol Specific
    View official trial listing →
  • Completed NCT NCT00242476

    A Study to Assess the Effectiveness of an Investigational Drug in Elderly Subjects With Low Vitamin D Levels (0822A-009)

    Not yet reported Merck Sharp & Dohme LLC 216 participants Est. completion 2006-07
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT00259857

    Safety and Efficacy of Alendronate (Fosamax) in Children With Osteoporosis

    Not yet reported Medical University of South Carolina 22 participants Est. completion 2009-08 1 site
    Other conditions: Osteoporosis
    View official trial listing →
  • Terminated NCT NCT00285090

    Bone Mineral Density, Body Composition and Growth Following Severe Burn Injury

    Not yet reported Kathy Prelack, PhD, RD 60 participants Est. completion 2007-02 1 site
    Other conditions: Burn, Growth, Malnutrition
    View official trial listing →
  • Completed NCT NCT00320853

    A Study to Evaluate the Effect of Vitamin D Supplementation on Insulin Sensitivity and Secretion

    Not yet reported Sitaram Bhartia Institute of Science and Research 30 participants Est. completion 2006-05 1 site
    Other conditions: Diabetes Mellitus, Non-Insulin-Dependent
    View official trial listing →
  • Completed NCT NCT00329797

    Zoledronate in Preventing Osteoporosis and Bone Fractures in Patients With Locally Advanced Nonmetastatic Prostate Cancer Undergoing Radiation Therapy and Hormone Therapy

    Not yet reported Radiation Therapy Oncology Group 109 participants Est. completion 2014-11 88 sites
    Other conditions: Osteoporosis, Prostate Cancer
    View official trial listing →
  • Completed NCT NCT00353821

    Investigating Cytokine Genes of Stem Cell Donors

    National Heart, Lung, and Blood Institute (NHLBI) 24 participants Est. completion 2018-03-02 1 site
    Other conditions: Stem Cell Transplantation
    View official trial listing →
  • Completed NCT NCT00354302

    Bone Mineral Density in Postmenopausal Women With Primary Breast Cancer Who Are Receiving Treatment on Clinical Trial

    Not yet reported NCIC Clinical Trials Group 497 participants Est. completion 2012-01-06 13 sites
    Other conditions: Breast Cancer, Osteoporosis
    View official trial listing →
  • Completed NCT NCT00356512

    Physiologic Regulation of FGF-23

    National Institute of Dental and Craniofacial Research (NIDCR) 20 participants 1 site
    Other conditions: Hypoparathyroidism
    View official trial listing →
  • Completed NCT NCT00379899

    ADVANCE: Study to Evaluate Cinacalcet Plus Low Dose Vitamin D on Vascular Calcification in Subjects With Chronic Kidney Disease Receiving Hemodialysis

    Not yet reported Amgen 360 participants Est. completion 2009-11
    Chronic kidney diseaseCardiovascular disease Other conditions: End Stage Renal Disease, Coronary Artery Calcification, Vascular Calcification, Calcification, Chronic Renal Failure, Hyperparathyroidism, Kidney Disease, Nephrology, Secondary Hyperparathyroidism
    View official trial listing →
  • Completed NCT NCT00386672

    Calcium Supplementation for a Healthy Weight-Lite (CaSHeW Lite)

    Not yet reported Massachusetts General Hospital 83 participants Est. completion 2006-12 1 site
    Other conditions: Obesity, Overweight
    View official trial listing →
  • Completed NCT NCT00400491

    Vitamin D Supplementation to Patients With Type 2 Diabetes

    Not yet reported University of Tromso 40 participants Est. completion 2007-09 1 site Stand-alone
    Type 2 diabetes
    View official trial listing →
  • Completed NCT NCT00412074

    Establishing the Vitamin D Requirements During Lactation

    Not yet reported Medical University of South Carolina 460 participants Est. completion 2012-10 2 sites Stand-alone
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT00417612

    Effectiveness of Paricalcitol in Reducing Parathyroid Hormone (PTH) Levels in X-linked Hypophosphatemic Rickets

    Not yet reported Yale University 33 participants Est. completion 2012-08 1 site
    Other conditions: Hypophosphatemia, Familial, Hyperparathyroidism
    View official trial listing →
  • Completed NCT NCT00418587

    Vitamin D Therapy in Patients With Systemic Lupus Erythematosus (SLE)

    Not yet reported Medical University of South Carolina 18 participants Est. completion 2014-08 1 site Stand-alone
    Other conditions: Systemic Lupus Erythematosus
    View official trial listing →
  • Completed NCT NCT00427037

    Cholecalciferol (Vitamin D3) Therapy in Chronic Kidney Disease (CKD) Subjects

    Not yet reported Atlanta VA Medical Center 34 participants Est. completion 2013-03 1 site
    Chronic kidney disease Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Withdrawn NCT NCT00451815

    BIIB014 Phase 2a Monotherapy

    Not yet reported Biogen
    Other conditions: Parkinson's Disease
    View official trial listing →
  • Withdrawn NCT NCT00459563

    Vitamin D and Blood Pressure

    Not yet reported Atlanta VA Medical Center Est. completion 2011-12 1 site
    Other conditions: Hypertension
    View official trial listing →
  • Completed NCT NCT00473317

    Sunlight Exposures Effect on Serum Vitamin D Levels

    Not yet reported Creighton University 6 participants Est. completion 2007-09 1 site
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT00490412

    Vitamin D Reabsorption in Adolescents and Young Adults With HIV Infection

    Not yet reported University of North Carolina, Chapel Hill 207 participants Est. completion 2010-01 15 sites Stand-alone
    Other conditions: HIV Infections
    View official trial listing →
  • Completed NCT NCT00491920

    High Dosage Vitamin D and Osteoporosis

    Not yet reported University Hospital of North Norway 297 participants Est. completion 2010-02 1 site
    Other conditions: Osteoporosis, Osteopenia
    View official trial listing →
  • Completed NCT NCT00499408

    Vitamin D and Soy Supplements in Treating Patients With Recurrent Prostate Cancer

    Not yet reported Wake Forest University Health Sciences 26 participants Est. completion 2012-12 1 site Stand-alone
    Other conditions: Prostate Cancer
    View official trial listing →
  • Completed NCT NCT00511225

    Effects of Oral Cholecalciferol (Vitamin D3) on Bone Health, Neuromuscular Function, and Quality of Life in Adults With Chronic Kidney Disease

    Not yet reported Creighton University 47 participants Est. completion 2011-09 1 site
    Other conditions: End Stage Renal Disease
    View official trial listing →
  • Terminated NCT NCT00524589

    Calcitriol and Dexamethasone in Treating Patients With Prostate Cancer That Did Not Respond to Hormone Therapy

    Not yet reported Roswell Park Cancer Institute 18 participants Est. completion 2010-09 1 site
    Other conditions: Prostate Cancer
    View official trial listing →
  • Completed NCT NCT00536653

    Changes in Bone Mineral Density and Fracture Risk in Patients Receiving Androgen Deprivation Therapy for Prostate Cancer

    Not yet reported Wirral University Teaching Hospital NHS Trust 618 participants Est. completion 2007-01 1 site
    Other conditions: Osteoporosis
    View official trial listing →
  • Completed NCT NCT00588874

    Age Related Changes in Calciotropic Hormones and Their Impact on Male Osteoporosis

    Yale University 24 participants Est. completion 2008-12-01 1 site
    Other conditions: Low Bone Density
    View official trial listing →
  • Completed NCT NCT00589615

    Effectiveness of an Educational Program in the Prevention of Osteoporosis and Fractures

    Not yet reported University of Helsinki 2181 participants 1 site
    Other conditions: Fractures, Osteoporosis
    View official trial listing →
  • Withdrawn NCT NCT00591604

    High-Dose Vitamin D Deficiency in Burn Injury

    Not yet reported The University of Texas Medical Branch, Galveston Est. completion 2009-03
    Other conditions: Burn
    View official trial listing →
  • Status unknown NCT NCT00634686

    Effects of Omega-3 Fatty Acids on Bone and Frailty

    Not yet reported Donaghue Medical Research Foundation 150 participants Est. completion 2009-06 1 site
    Other conditions: Osteoporosis, Frailty
    View official trial listing →
  • Terminated NCT NCT00646282

    Mineral Metabolism and Vascular Effects of Vitamin D Therapy in Kidney Transplant Patients

    Not yet reported Emory University 12 participants Est. completion 2010-01 1 site
    Other conditions: Hyperparathyroidism, Secondary
    View official trial listing →
  • Completed NCT NCT00656032

    Vitamin D, Insulin Resistance and Inflammation in ESRD

    Not yet reported Vanderbilt University 12 participants Est. completion 2010-01 1 site
    Other conditions: End Stage Renal Disease
    View official trial listing →
  • Completed NCT NCT00669656

    Herbal Therapy for Treatment of Recurrent Prostate Cancer

    Not yet reported University of Southern California 43 participants Est. completion 2014-10-14 1 site
    Other conditions: Prostate Cancer
    View official trial listing →
  • Completed NCT NCT00680732

    Prevention of Intrauterine Growth Retardation in Burkina Faso: the Malaria Component

    Not yet reported Institute of Tropical Medicine, Belgium 1370 participants Est. completion 2006-10 1 site
    Other conditions: Malaria, Malaria in Pregnancy
    View official trial listing →
  • Completed NCT NCT00685594

    Vitamin D for the Prevention of Diabetes Type 2

    Not yet reported, Not yet reported University of Tromso 511 participants Est. completion 2015-09 1 site Stand-alone
    Prediabetes
    View official trial listing →
  • Completed NCT NCT00688519

    Study to Compare U0267 Against Vehicle in Subjects With Plaque-type Psoriasis One of Two Phase 3 Studies

    Not yet reported Stiefel, a GSK Company 336 participants Est. completion 2008-12 13 sites Stand-alone
    Other conditions: Psoriasis
    View official trial listing →
  • Completed NCT NCT00690417

    Vitamin D Inadequacy in Rural Populations, Evaluation of Correction by Food Supplementation

    Not yet reported University of Wisconsin, Madison 108 participants Est. completion 2011-08 1 site
    Other conditions: Vitamin D Insufficiency, Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT00697294

    Impact of Vitamin D Status on Bones in Breastfed Infants

    Not yet reported Baylor College of Medicine 80 participants Est. completion 2011-11 3 sites
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT00718276

    Pharmacokinetic Study: Effect of 25(OH)D and Vitamin D3 on Serum 25(OH)D

    Not yet reported University of Zurich 35 participants Est. completion 2008-09 1 site
    Other conditions: Healthy
    View official trial listing →
  • Completed NCT NCT00724178

    The Effect of Vitamin D and Calcium on Bone in Pediatric HIV

    Not yet reported, Not yet reported National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) 59 participants Est. completion 2006-12 1 site Stand-alone
    Other conditions: HIV Infection, Bone Mass
    View official trial listing →
  • Completed NCT NCT00754442

    Suspected Deficient Activation of Vitamin D in Patients With Secondary Hyperparathyroidism

    Not yet reported University of Maryland, Baltimore 20 participants Est. completion 2008-08 1 site
    Other conditions: Secondary Hyperparathyroidism
    View official trial listing →
  • Completed NCT NCT00757393

    Growth Hormone Therapy and Bone Quality in Pediatric Osteoporosis

    Not yet reported The Hospital for Sick Children 21 participants Est. completion 2015-09 1 site
    Other conditions: Osteoporosis
    View official trial listing →
  • Completed NCT NCT00762775

    The Interaction Between Calcium and Vitamin D Intake

    Not yet reported Winthrop University Hospital 78 participants Est. completion 2011-06 1 site
    Other conditions: Osteoporosis
    View official trial listing →
  • Completed NCT NCT00783159

    Fit in the Aged by Professional Training

    Not yet reported University of Erlangen-Nürnberg Medical School 69 participants Est. completion 2010-05 1 site
    Other conditions: Frailty, Sarcopenia
    View official trial listing →
  • Completed NCT NCT00789503

    Nursing-Home Residents Given Bread Fortified With Vitamin D3

    Not yet reported, Not yet reported University of Toronto 45 participants Est. completion 2005-12 Stand-alone
    Other conditions: Vitamin D Deficiency, Low Bone Density
    View official trial listing →
  • Completed NCT NCT00800358

    Safety and Efficacy Study of Paricalcitol Versus Calcitriol in the Treatment of Secondary Hyperparathyroidism

    Not yet reported Penang Hospital, Malaysia 69 participants Est. completion 2009-12 11 sites
    Other conditions: Hyperparathyroidism, Kidney Disease
    View official trial listing →
  • Completed NCT NCT00824993

    Prevention of Osteoporosis in Bone Marrow Transplantation (BMT) Patients

    Not yet reported M.D. Anderson Cancer Center 78 participants Est. completion 2017-04-07 1 site
    Other conditions: Hematological Malignancies
    View official trial listing →
  • Completed NCT NCT00850694

    Vitamin D Deficiency in Obese Adolescent Girls and Influence of Vitamin D on Insulin Secretion and Sensitivity

    University of Alabama at Birmingham 114 participants Est. completion 2010-10 1 site
    Other conditions: Vitamin D Deficiency, Obesity, Insulin Resistance
    View official trial listing →
  • Status unknown NCT NCT00854763

    Olmesartan on Ambulatory Blood Pressure Change

    National Taiwan University Hospital 100 participants 1 site
    Other conditions: Hypertension
    View official trial listing →
  • Completed NCT NCT00874575

    Nutritional Intervention for Age-related Muscular Function and Strength Losses

    Not yet reported Metabolic Technologies Inc. 76 participants Est. completion 2013-07 2 sites
    Other conditions: Muscle Strength, Sarcopenia
    View official trial listing →
  • Completed NCT NCT00877422

    Vitamin D Supplementation Prevents Elderly Pneumonia

    Not yet reported Tohoku University 100 participants 1 site
    Other conditions: Bacterial Pneumonia
    View official trial listing →
  • Completed NCT NCT00887354

    A Study That Will Compare the Effect of Two Drugs on Participants With Low Bone Mass and a Recent Hip Fracture

    Not yet reported Eli Lilly and Company 224 participants Est. completion 2015-08 28 sites
    Other conditions: Osteoporosis
    View official trial listing →
  • Completed NCT NCT00889629

    Pilot Study Evaluating Doxercalciferol Replacement Therapy in Kidney Transplant Recipients

    Not yet reported Mariana Markell 39 participants Est. completion 2010-01 1 site Stand-alone
    Chronic kidney disease Other conditions: Kidney Transplantation
    View official trial listing →
  • Status unknown NCT NCT00893711

    Lactobacillus Reuteri Versus Placebo in the Treatment and Prevention of Infantile Colic

    Not yet reported Azienda Ospedaliera Ospedale Infantile Regina Margherita Sant'Anna 155 participants Est. completion 2022-12 3 sites
    Other conditions: Infantile Colic
    View official trial listing →
  • Completed NCT NCT00948298

    Effect of Vitamin D3 on Vascular Function

    Not yet reported Charles Drew University of Medicine and Science 130 participants Est. completion 2012-08 Stand-alone
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Withdrawn NCT NCT00948740

    The Effect of Vitamin D on Urinary Calcium Excretion in Kidney Stone Formers With High Urinary Calcium

    Not yet reported, Not yet reported Brigham and Women's Hospital Est. completion 2010-06 1 site Stand-alone
    Other conditions: Vitamin D Deficiency, Nephrolithiasis
    View official trial listing →
  • Completed NCT NCT00976339

    Study of Vitamin D for Premenopausal Women at High Risk for Breast Cancer

    Not yet reported Katherine D. Crew 20 participants Est. completion 2013-12 1 site Stand-alone
    Other conditions: Breast Cancer
    View official trial listing →
  • Terminated NCT NCT00996827

    Ultraviolet Light Exposure and Immunosuppression in Cutaneous Melanoma

    New Mexico Cancer Research Alliance 100 participants Est. completion 2013-12 2 sites
    Other conditions: Melanoma
    View official trial listing →
  • Terminated NCT NCT00996866

    Vitamin D Supplementation Requirement in Obese Subjects

    Not yet reported Winthrop University Hospital 27 participants Est. completion 2013-08 1 site
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT01005381

    Effect of Calcium Supplement Particle Size and Vitamin D Supplement on Calcium Retention in Adolescent Girls

    Not yet reported Purdue University 55 participants Est. completion 2007-07 1 site Stand-alone
    Other conditions: Osteoporosis
    View official trial listing →
  • Completed NCT NCT01025128

    Vitamin D Status in Males in Jerusalem Area and Its Correlation to Parathyroid Hormone (PTH) Level and Bone Mineral Density

    Not yet reported Clalit Health Services 210 participants Est. completion 2014-07 1 site
    Other conditions: Vitamin D Deficiency, Secondary Hyperparathyroidism, Osteomalacia
    View official trial listing →
  • Status unknown NCT NCT01039181

    Calcitriol in Advanced Intrahepatic Cholangiocarcinoma

    Not yet reported National Science and Technology Development Agency, Thailand 28 participants Est. completion 2012-10 1 site
    Other conditions: Advanced Intrahepatic Cholangiocarcinoma
    View official trial listing →
  • Status unknown NCT NCT01039714

    Vitamin D Levels and Postoperative Hypocalcemia After Total Thyroidectomy

    Aristotle University Of Thessaloniki 200 participants Est. completion 2010-05 1 site
    Other conditions: Hypocalcemia, Hypoparathyroidism, Vitamin D Deficiency, Thyroidectomy
    View official trial listing →
  • Completed NCT NCT01045980

    Assessment of Bioimpedance and Vitamin D and LV Mass in PD Patients (FLUID Study)

    Not yet reported St. Joseph's Healthcare Hamilton 74 participants Est. completion 2016-11-30 2 sites Stand-alone
    Other conditions: Disorders Associated With Peritoneal Dialysis
    View official trial listing →
  • Completed NCT NCT01050387

    Effects of Vitamin D Dose and Genotype of the Binding Protein in Infants and Children

    Not yet reported Yale University 193 participants Est. completion 2013-02 1 site
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Status unknown NCT NCT01075022

    Effect of a Single Colecalciferol Dose on Insulin Resistance

    Not yet reported Hospital de Clinicas de Porto Alegre 136 participants Est. completion 2010-07 1 site Stand-alone
    Other conditions: Insulin Resistance, Glucose Intolerance
    View official trial listing →
  • Status unknown NCT NCT01080274

    Vitamin D and Zinc Levels in Patients Undergoing Ergometry Test

    Assaf-Harofeh Medical Center 200 participants Est. completion 2011-03 1 site
    Other conditions: Atherosclerosis
    View official trial listing →
  • Status unknown NCT NCT01083992

    Role of Vitagliptin and Vitamin D in the Treatment of Non Alcoholic Fatty Liver Disease (NAFLD)

    Not yet reported Ziv Hospital 60 participants Est. completion 2013-06 1 site
    Other conditions: Non-Alcoholic Fatty Liver Disease
    View official trial listing →
  • Completed NCT NCT01088958

    Effectiveness of Selling Micronutrient Sprinkles in Rural Kenya

    Not yet reported Centers for Disease Control and Prevention 7200 participants Est. completion 2014-09 1 site Stand-alone
    Other conditions: Anemia, Iron-deficiency
    View official trial listing →
  • Completed NCT NCT01093417

    Study of Vitamin D and Effect on Heart Disease and Insulin Resistance

    Not yet reported University Hospitals Cleveland Medical Center 45 participants Est. completion 2010-10 1 site
    Other conditions: Human Immunodeficiency Virus (HIV), Vitamin D Deficiency, HIV Infections
    View official trial listing →
  • Completed NCT NCT01101243

    Maintenance of Vitamin D Level by UVB Radiation

    Not yet reported Bispebjerg Hospital 75 participants Est. completion 2010-04 1 site
    Other conditions: Vitamin D Status
    View official trial listing →
  • Status unknown NCT NCT01101698

    Vitamin K2 and Vessel Calcification in Chronic Kidney Disease Patients

    Not yet reported Medical University of Lodz 60 participants Est. completion 2011-06 1 site
    Other conditions: Kidney Diseases, Coronary Artery Calcification
    View official trial listing →
  • Completed NCT NCT01102179

    Vitamin D Insufficiency and Deficiency in Chronic Kidney Disease (CKD) Patients in Singapore

    National University of Singapore 196 participants Est. completion 2014-07 1 site
    Chronic kidney disease Other conditions: Predialysis
    View official trial listing →
  • Completed NCT NCT01105234

    An Irritation Study With New Calcipotriol Ointment Formulations in Healthy Subjects

    Not yet reported LEO Pharma 24 participants Est. completion 2010-05 1 site
    Other conditions: Irritation
    View official trial listing →
  • Completed NCT NCT01119378

    Study to Observe the Capability to Absorb Calcium as an Measure of Adequate Levels of Vitamin D

    Not yet reported Winthrop University Hospital 76 participants Est. completion 2013-12 1 site
    Other conditions: Postmenopausal, Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT01130181

    VITdAL@ICU - Correction of Vitamin D Deficiency in Critically Ill Patients

    Not yet reported Harald Dobnig, MD 480 participants Est. completion 2012-09 1 site Stand-alone
    Other conditions: Critical Illness, Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT01168544

    Daily Vitamin D Supplementation Compared to a Loading Dose and Monthly Supplementation in Elderly Nursing Home Residents

    Not yet reported Rijnstate Hospital 160 participants 1 site
    Other conditions: Vitamin D Deficiency in Older Persons
    View official trial listing →
  • Completed NCT NCT01170494

    Effect of Vitamin D Oral Supplements on 25 OH Vitamin D Levels

    Not yet reported King Faisal Specialist Hospital & Research Center 279 participants Est. completion 2016-04 1 site
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Status unknown NCT NCT01181193

    Vitamin D for Treatment of Glioblastoma Multiforme

    Not yet reported, Not yet reported Soroka University Medical Center 20 participants Est. completion 2014-03 1 site
    Other conditions: Glioblastoma Multiforme
    View official trial listing →
  • Completed NCT NCT01182870

    Vitamin D and the Influenza Epidemic

    Not yet reported University of Tromso 569 participants Est. completion 2010-10 1 site Stand-alone
    Other conditions: Influenza
    View official trial listing →
  • Completed NCT NCT01184768

    HBA1c and Diagnosis of Type 2 Diabetes

    University of Tromso 3509 participants Est. completion 2010-11 1 site
    Type 2 diabetes
    View official trial listing →
  • Completed NCT NCT01185574

    Vitamin D for Improving Metabolic Control and Depressive Symptoms

    Not yet reported Loyola University 50 participants Est. completion 2012-05 1 site
    Other conditions: Depressive Symptoms, Diabetes
    View official trial listing →
  • Status unknown NCT NCT01228786

    Regulation of Vitamin D Receptor (VDR),Calcium Sensing Receptor (CaSR), Cyclin D1,Ki67 and Proliferating Cell Nuclear Antigen (PCNA) in Primary Hyperparathyroidism

    Post Graduate Institute of Medical Education and Research, Chandigarh 50 participants Est. completion 2013-06 1 site
    Other conditions: Primary Hyperparathyroidism (PHPT)
    View official trial listing →
  • Completed NCT NCT01250899

    Vitamin D in HIV-Infected Patients on HAART

    Not yet reported University of California, Los Angeles 122 participants Est. completion 2012-06 1 site Stand-alone
    Other conditions: Vitamin D Deficiency, HIV
    View official trial listing →
  • Completed NCT NCT01257958

    Vitamin D Pilot Study in Patients With Multiple Sclerosis

    Not yet reported University of Wisconsin, Madison Est. completion 2000-06 1 site
    Other conditions: Relapsing Remitting Multiple Sclerosis
    View official trial listing →
  • Completed NCT NCT01270802

    Effects of Switching Efavirenz to Raltegravir on Vascular Function and Bone Markers in HIV-infected Patients

    Not yet reported Indiana University 30 participants Est. completion 2013-04 1 site
    Other conditions: HIV
    View official trial listing →
  • Completed NCT NCT01277913

    The Effect of Supplementation With Two Different Doses of Vitamin D on Bone Mineral Density, Vitamin D Levels and Hand Grip Strength in Children With Diabetes Mellitus Type 1

    Not yet reported Medical University of Warsaw 60 participants Est. completion 2013-11 1 site Stand-alone
    Other conditions: Diabetes Mellitus Type 1
    View official trial listing →
  • Completed NCT NCT01325311

    Cholecalciferol and Genistein Before Surgery in Treating Patients With Early Stage Prostate Cancer

    Not yet reported National Cancer Institute (NCI) 15 participants Est. completion 2014-07 11 sites Stand-alone
    Other conditions: Prostate Adenocarcinoma, Stage I Prostate Cancer, Stage IIA Prostate Cancer, Stage IIB Prostate Cancer
    View official trial listing →
  • Withdrawn NCT NCT01329666

    Primary Hyperparathyroidism (PHPT): Early Effect of Vitamin D

    Not yet reported, Not yet reported Columbia University Est. completion 2015-01 1 site Stand-alone
    Other conditions: Primary Hyperparathyroidism, Hypercalcemia, Vitamin D Deficiency, Osteoporosis, Osteopenia
    View official trial listing →
  • Completed NCT NCT01330914

    Effects of Gastric Bypass Surgery and Calcium Metabolism and the Skeleton

    VA Office of Research and Development 55 participants Est. completion 2015-01 1 site
    Other conditions: Obesity, Morbid, Gastric Bypass
    View official trial listing →
  • Completed NCT NCT01344161

    Effect of Vitamin D on Metabolic Profile in Overweight or Obese Women

    Not yet reported Tehran University of Medical Sciences 85 participants Est. completion 2010-03 1 site Stand-alone
    Other conditions: Overweight, Obesity
    View official trial listing →
  • Completed NCT NCT01363115

    Calcium Supplementation for a Healthy Weight (CaSHeW)

    Not yet reported Massachusetts General Hospital 130 participants Est. completion 2006-12 1 site Stand-alone
    Other conditions: Obesity, Overweight
    View official trial listing →
  • Completed NCT NCT01363167

    Identifying Vitamin D Deficiency in Very Low Birth Weight Infant (VLBW) Infants Part 2

    Not yet reported Medical University of South Carolina 68 participants Est. completion 2013-10 2 sites
    Other conditions: Infant, Very Low Birth Weight, Calcium Deficiency, Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT01369667

    Vitamin D Supplementation in Adult Crohn's Disease

    Not yet reported University of Dublin, Trinity College 117 participants Est. completion 2015-05 1 site
    Other conditions: Crohn's Disease
    View official trial listing →
  • Completed NCT NCT01395290

    Vitamin D and Staphylococcus Aureus in the Diabetes Study

    Not yet reported University of Tromso 280 participants Est. completion 2012-08 1 site Stand-alone
    Other conditions: Infection
    View official trial listing →
  • Completed NCT NCT01397383

    Vitamin D and Functional Outcomes After Total Hip Arthroplasty (THA)

    Hospital for Special Surgery, New York 219 participants Est. completion 2014-02-03 1 site
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT01398202

    Dietary Supplementation With 25-hydroxyvitamin D3 in Older Adults

    Not yet reported University College Cork 56 participants Est. completion 2011-09 1 site
    Other conditions: Vitamin D Status as Reflected by Serum 25-hydroxyvitamin D
    View official trial listing →
  • Withdrawn NCT NCT01403103

    Cholecalciferol(25-[OH]-Vitamin D) in Treating Patients With Colorectal Cancer

    Not yet reported Case Comprehensive Cancer Center Est. completion 2014-01 Stand-alone
    Other conditions: Mucinous Adenocarcinoma of the Colon, Mucinous Adenocarcinoma of the Rectum, Signet Ring Adenocarcinoma of the Colon, Signet Ring Adenocarcinoma of the Rectum, Stage I Colon Cancer, Stage I Rectal Cancer
    View official trial listing →
  • Completed NCT NCT01430793

    Determination of Effective Vitamin D Replacement and Monitoring Strategies in Vitamin D Deficiency State

    Not yet reported Aga Khan University 99 participants Est. completion 2013-03 1 site
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT01436747

    Efficacy and Safety of Paricalcitol for Reduction of Proteinuria in Kidney Transplant Recipients

    Not yet reported University Medical Centre Ljubljana 168 participants Est. completion 2015-07 1 site
    Other conditions: Disorder of Transplanted Kidney, Proteinuria, Albuminuria
    View official trial listing →
  • Completed NCT NCT01437111

    Study of MK-217A/Alendronate Sodium 70-mg/Vitamin D3 5600 IU Combination Tablet (MK-0217A-329)

    Not yet reported Organon and Co 200 participants Est. completion 2012-12-05 Stand-alone
    Other conditions: Osteoporosis
    View official trial listing →
  • Completed NCT NCT01447355

    Vitamin D Levels in the Skin of Healthy Subjects After Oral Supplementation

    Not yet reported National Cancer Institute (NCI) 25 participants Est. completion 2013-06 1 site Stand-alone
    Other conditions: Healthy, no Evidence of Disease, Skin Cancer
    View official trial listing →
  • Completed NCT NCT01475890

    Vitamin D Supplementation in HIV

    Not yet reported, Not yet reported Children's Hospital of Philadelphia 58 participants Est. completion 2017-02 1 site
    Other conditions: HIV-infection/Aids
    View official trial listing →
  • Completed NCT NCT01477034

    Vitamin D and Adipose Tissue Inflammation

    Not yet reported Fred Hutchinson Cancer Center 18 participants Est. completion 2013-06 1 site Stand-alone
    Type 2 diabetes Other conditions: Vitamin D Deficiency, Obesity, Intestinal Permeability
    View official trial listing →
  • Completed NCT NCT01480869

    Study of Vitamin D Supplementation Tailored to Vitamin D Deficiency in Breast Cancer Patients

    Not yet reported Institut du Cancer de Montpellier - Val d'Aurelle 215 participants Est. completion 2014-12 1 site Stand-alone
    Other conditions: Breast Cancer
    View official trial listing →
  • Completed NCT NCT01482689

    Bioavailability of Vitamin D in Cod Liver Oil and Multivitamin Tablets in Healthy Subjects in Norway

    Not yet reported University of Oslo 74 participants Est. completion 2005-04 1 site Stand-alone
    Other conditions: Healthy
    View official trial listing →
  • Completed NCT NCT01488734

    Bioavailability and Biological Effects of Vitamin D2 Contained in Mushroom

    Not yet reported Icahn School of Medicine at Mount Sinai 47 participants Est. completion 2013-09 1 site
    Metabolic syndromePrediabetes Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Status unknown NCT NCT01488916

    Vitamin D Inadequacy on Postprandial Glucose in Type 2 Diabetes Mellitus

    Taipei Veterans General Hospital, Taiwan 45 participants Est. completion 2012-12 1 site
    Type 2 diabetes
    View official trial listing →
  • Completed NCT NCT01493648

    Muscle-Related Side Effects of Statins: Functional Impact, Mechanisms, and Potential Relief With Vitamin D Supplementation

    Not yet reported CHU de Quebec-Universite Laval 78 participants Est. completion 2016-01 1 site
    Other conditions: HMG COA Reductase Inhibitor Adverse Reaction
    View official trial listing →
  • Completed NCT NCT01507662

    Patient Activation After DXA Result Notification

    Not yet reported Fredric D Wolinsky 7749 participants Est. completion 2015-11 4 sites
    Other conditions: Osteoporosis, Bone Diseases, Metabolic
    View official trial listing →
  • Completed NCT NCT01524874

    Comparative Effectiveness of Vitamin D and Repletion Strategies

    Not yet reported Bastyr University 66 participants Est. completion 2011-11 2 sites
    Other conditions: Hypovitaminosis D, Insulin Resistance, Diabetes
    View official trial listing →
  • Terminated NCT NCT01535196

    Vitamine D Treatment in Chronic Heart Failure

    Not yet reported Semmelweis University 8 participants Est. completion 2017-09 2 sites
    Heart failure Other conditions: Vitamin D Adverse Reaction
    View official trial listing →
  • Completed NCT NCT01537809

    Impact of Vitamin D Supplementation on Cardiometabolic Risk Factors [The Daily D Health Study]

    Not yet reported Tufts University 691 participants Est. completion 2013-12 1 site
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT01538485

    Vitamin D Supplementation and Regulatory FoxP3+ T Cells in the GUT

    Not yet reported Medical University of Graz 16 participants Est. completion 2012-08 1 site Stand-alone
    Other conditions: Immune Tolerance
    View official trial listing →
  • Completed NCT NCT01542892

    Efficacy of Nutritional Supplementation on Physical-activity Mediated Changes in Physical Functioning Older Adults at Risk for Mobility Disability (The VIVE2 Study)

    Not yet reported Tufts University 150 participants Est. completion 2014-08 2 sites
    Other conditions: Sarcopenia
    View official trial listing →
  • Completed NCT NCT01545830

    Metabolic Syndrome and Insulin Resistance at Allina

    Not yet reported Allina Health System 84 participants Est. completion 2014-03 1 site Stand-alone
    Metabolic syndrome
    View official trial listing →
  • Status unknown NCT NCT01561040

    Oral Nutrition Impact on Tear Film

    Not yet reported Eye and Vision Technologies and Research Institute 80 participants Est. completion 2012-12 4 sites Stand-alone
    Other conditions: Dry Eye Syndrome
    View official trial listing →
  • Terminated NCT NCT01561989

    Cholecalciferol and Flu Vaccine in Treating Healthy Participants

    Not yet reported Roswell Park Cancer Institute 11 participants Est. completion 2015-06 1 site Stand-alone
    Other conditions: Healthy, no Evidence of Disease
    View official trial listing →
  • Completed NCT NCT01571063

    Treatment of Non-alcoholic Steatohepatitis (NASH) Patients With Vitamin D

    Not yet reported University of Zurich 22 participants Est. completion 2016-05 2 sites Stand-alone
    MASH
    View official trial listing →
  • Completed NCT NCT01588795

    Renal Denervation in Diabetic Nephropathy

    Not yet reported Assistance Publique - Hôpitaux de Paris 25 participants Est. completion 2016-01 1 site
    Chronic kidney disease Other conditions: Persistent Proteinuria With Type II Diabetes
    View official trial listing →
  • Completed NCT NCT01589783

    Vitamin D During Pregnancy

    Hadassah Medical Organization 764 participants Est. completion 2015-06 1 site
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT01600430

    Vitamin D Supplementation for Extremely Preterm Infants

    Not yet reported, Not yet reported University of Alabama at Birmingham 100 participants Est. completion 2016-12 1 site
    Other conditions: Vitamin D Deficiency, Preterm Infants, Bronchopulmonary Dysplasia
    View official trial listing →
  • Completed NCT NCT01617109

    Optimizing Vitamin D Status During Initial Military Training

    Not yet reported United States Army Research Institute of Environmental Medicine 342 participants Est. completion 2018-05-02 2 sites Stand-alone
    Other conditions: Bone Health, Nutrition Status
    View official trial listing →
  • Withdrawn NCT NCT01630408

    The Effects of Active VItamin D on Left Atrial Volume Index

    Not yet reported Massachusetts General Hospital Est. completion 2014-06 1 site
    Heart failure
    View official trial listing →
  • Completed NCT NCT01630720

    Vitamin Therapy in JGH Patients

    Not yet reported Jewish General Hospital 88 participants Est. completion 2011-09 1 site
    Other conditions: Patients With Hypovitaminosis C and D, Vitamin Deficiencies
    View official trial listing →
  • Withdrawn NCT NCT01633658

    The Variability of 25-hydroxyvitamin D Response From Crystalline 25-hydroxyvitamin D3

    Not yet reported Creighton University Est. completion 2013-11 1 site
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Withdrawn NCT NCT01640496

    Vitamin D Treatment in Ulcerative Colitis

    Not yet reported University of Chicago Est. completion 2014-12 1 site
    Other conditions: Ulcerative Colitis, Inflammatory Bowel Disease
    View official trial listing →
  • Status unknown NCT NCT01643187

    Comparison of the Effect of Two Treatments on the Nutritional and Micronutrient Status of Malnourished Children

    Not yet reported Association for the Study and Prevention of HIV/AIDS 1000 participants Est. completion 2013-12 1 site Stand-alone
    Other conditions: Malnutrition
    View official trial listing →
  • Status unknown NCT NCT01655966

    Vitamin D as an add-on Therapy With Pegylated Interferon and Ribavirin for Chronic Hepatitis c

    Not yet reported Cairo University 80 participants Est. completion 2014-04 1 site
    Other conditions: Chronic Hepatitis c
    View official trial listing →
  • Completed NCT NCT01665378

    Impact of Pre-pregnancy Micronutrient Supplementation on Maternal and Child Outcomes

    Not yet reported Emory University 5011 participants Est. completion 2023-08 1 site
    Other conditions: Anemia, Intrauterine Growth Retardation, Preterm Delivery, Iron Deficiency
    View official trial listing →
  • Completed NCT NCT01669954

    Determination of Optimum Age for DXA Screening for Osteoporosis in HIV - The Probono 1 Study

    King's College London 440 participants Est. completion 2012-06 1 site
    Other conditions: Osteoporosis, Fractures, HIV Infection
    View official trial listing →
  • Completed NCT NCT01675297

    Efficacy and Safety Study of Risedronate, Cholecalciferol Combination Tablet in Patients With Osteoporosis

    Not yet reported Hanlim Pharm. Co., Ltd. 1053 participants Est. completion 2014-04-15 1 site Stand-alone
    Other conditions: Osteoporosis
    View official trial listing →
  • Completed NCT NCT01684722

    Vitamin D and Omega-3 Trial to Prevent and Treat Diabetic Kidney Disease

    Not yet reported University of Washington 1312 participants Est. completion 2019-11-08 1 site
    Other conditions: Diabetes
    View official trial listing →
  • Completed NCT NCT01691833

    The Effect of Hypovitaminosis D and Vitamin D Supplementation on Fracture Nonunion Rates

    Not yet reported Wake Forest University Health Sciences 113 participants Est. completion 2017-12 1 site
    Other conditions: Hypovitaminosis D
    View official trial listing →
  • Completed NCT NCT01694355

    The Impact of Severe Vitamin D Deficiency and Its Correction on Bone Mineral Density (BMD) in Postmenopausal Women

    Not yet reported Soroka University Medical Center 32 participants Est. completion 2018-12 1 site
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT01695460

    A Randomized, Parallel, Double-blind, Placebo-controlled Study of Vitamin D as Prophylactic Treatment for Migraine

    Not yet reported Aalborg University 48 participants Est. completion 2015-12 2 sites
    Other conditions: Migraine According to International Headache Society (IHS) Criteria (ICHD-II)
    View official trial listing →
  • Completed NCT NCT01702974

    Immune Reconstitution in HIV Disease (IREHIV)

    Not yet reported Karolinska Institutet 279 participants Est. completion 2015-08 1 site
    Other conditions: HIV Infection
    View official trial listing →
  • Terminated NCT NCT01709474

    Vitamin D3 Treatment in Pediatric Systemic Lupus Erythematosus

    Not yet reported National Institute of Allergy and Infectious Diseases (NIAID) 7 participants Est. completion 2014-07 13 sites Stand-alone
    Other conditions: Systemic Lupus Erythematosus
    View official trial listing →
  • Status unknown NCT NCT01718366

    A Study of Combined Deferasirox, Vitamin D and Azacytidine in High Risk MDS

    Not yet reported, Not yet reported Groupe Francophone des Myelodysplasies 50 participants Est. completion 2019-02 15 sites
    Other conditions: MDS
    View official trial listing →
  • Completed NCT NCT01729013

    Duration of Vitamin D Stores After Prolonged Vitamin D Substitution

    University of Tromso 78 participants Est. completion 2015-08 1 site
    Other conditions: Obesity
    View official trial listing →
  • Completed NCT NCT01730976

    Asthma in the Elderly: The Role of Vitamin D

    Not yet reported Rohr and Columbo Asthma, Allergy and Immunology Specialists, P.C. 30 participants Est. completion 2013-03 1 site
    Other conditions: Asthma in the Elderly
    View official trial listing →
  • Status unknown NCT NCT01732328

    Effect of Calcium Plus Vitamin D Supplementation on Adolescent Mother and Infant Bone Health

    Not yet reported Universidade Federal do Rio de Janeiro 76 participants Est. completion 2013-06
    Other conditions: Lactation Bone Loss, Infant Bone Growth
    View official trial listing →
  • Terminated NCT NCT01744821

    Vitamin D for Women at Increased Risk of Developing Ovarian, Fallopian, or Primary Peritoneal Cancer

    Not yet reported Northwestern University 7 participants Est. completion 2015-04 2 sites
    Other conditions: Ovarian Cancer, Fallopian Tube Cancer, Primary Peritoneal Cancer
    View official trial listing →
  • Completed NCT NCT01747447

    VITamin D and OmegA-3 TriaL: Effects on Bone Structure and Architecture (VITAL)

    Not yet reported Brigham and Women's Hospital 771 participants Est. completion 2023-08-02 1 site
    Other conditions: Bone Density, Body Composition, Bone Health
    View official trial listing →
  • Completed NCT NCT01748448

    Vitamin D Supplementation in Cutaneous Malignant Melanoma Outcome

    Not yet reported Universitaire Ziekenhuizen KU Leuven 436 participants Est. completion 2022-07 4 sites
    Other conditions: Cutaneous Malignant Melanoma
    View official trial listing →
  • Completed NCT NCT01759485

    Vitamin D for Schizophrenia

    Not yet reported Geha Mental Health Center 47 participants Est. completion 2017-02-28 1 site
    Other conditions: Clozapine Resistant Schizophrenia
    View official trial listing →
  • Status unknown NCT NCT01775111

    Influence of Strength Training and Protein Supplementation on Fitness of Institutionalized Elderly

    Not yet reported University of Vienna 120 participants 1 site
    Other conditions: Aging
    View official trial listing →
  • Completed NCT NCT01816711

    Vitamin D Levels in Frail Elderly Patients With a Hip Fracture

    University of Aarhus 447 participants Est. completion 2012-09 1 site
    Other conditions: Hip Fracture, Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT01825616

    Vitamin D2, Muscle Damage, NASCAR Pitcrew

    Not yet reported Appalachian State University 33 participants Est. completion 2013-01 3 sites
    Other conditions: Muscle Function, Muscle Soreness, Vitamin D Status
    View official trial listing →
  • Completed NCT NCT01832623

    Vitamin D, Bones, Nutritional and Cardiovascular Status

    Not yet reported Hospices Civils de Lyon 100 participants Est. completion 2016-07 1 site
    Other conditions: Vitamin D
    View official trial listing →
  • Completed NCT NCT01838447

    Prevention of Vitamin D Deficiency Following Pediatric CHD Surgery: a Phase II Dose Evaluation Randomized Controlled Trial Comparing Usual Care With a High Dose Pre-operative Supplementation Regimen Based on the Institute of Medicine Daily Upper Tolerable Intake Level

    Not yet reported Children's Hospital of Eastern Ontario 46 participants Est. completion 2015-12 1 site Stand-alone
    Other conditions: Vitamin D Deficiency, Thoracic Surgery, Pediatric Disorders, Heart Defects, Congenital
    View official trial listing →
  • Terminated NCT NCT01850251

    Effects of a Supplement Enriched in Hydroxymethylbutyrate and Vitamin D on Muscle Strength in Hip Fracture

    Not yet reported Hospital Clinic of Barcelona 2 participants Est. completion 2015-03 1 site
    Other conditions: Hip Fractures
    View official trial listing →
  • Completed NCT NCT01856946

    Effect of Vitamin D Supplementation on Oral Glucose Tolerance Among Obese Adolescents

    Not yet reported University of Missouri-Columbia 15 participants Est. completion 2014-02 1 site Stand-alone
    Other conditions: Insulin Resistance
    View official trial listing →
  • Completed NCT NCT01868945

    Dose Finding Study in Physically Frail Elderly to Measure 25(OH) Vitamin D Levels After Supplementation With Hy.D Calcifediol 25 SD/S and Vitamin D3

    Not yet reported dsm-firmenich Switzerland AG 59 participants Est. completion 2014-06 1 site
    Other conditions: Pre-frail Elderly, Frail Elderly
    View official trial listing →
  • Withdrawn NCT NCT01890772

    Vitamin D + Telaprevir + Peginterferon + Ribavirin for of Hepatitis C Genotype 1

    Not yet reported, Not yet reported Timothy Morgan, MD 4 sites
    Other conditions: Hepatitis C
    View official trial listing →
  • Completed NCT NCT01904032

    Sunshine 2 Study for Women With Diabetes

    Not yet reported Loyola University 265 participants Est. completion 2018-08-31 1 site Stand-alone
    Other conditions: Diabetes, Depression, Quality of Life
    View official trial listing →
  • Completed NCT NCT01904110

    To Evaluate the Efficacy and the Safety of Monthly Versus Weekly Oral Risedronate With Vitamin D in Compliance, Improvement of Vitamin D and BMD in Korean Postmenopausal Osteoporotic Women

    Not yet reported Hanlim Pharm. Co., Ltd. 196 participants Est. completion 2016-03-31 1 site Stand-alone
    Other conditions: Osteoporosis
    View official trial listing →
  • Completed NCT NCT01919905

    Mozzarella Cheese Vitamin D and Bioavailability

    Not yet reported University of Toronto 100 participants Est. completion 2012-04 1 site
    Other conditions: Change in Serum 25 Hydroxyvitamin D Levels
    View official trial listing →
  • Completed NCT NCT01926808

    Vitamin D Serum Concentrations & Supplementation in Children With Cerebral Palsy

    Akron Children's Hospital 115 participants
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT01942694

    Vitamin D and Type 2 Diabetes Study

    Not yet reported Tufts Medical Center 2423 participants Est. completion 2018-11 25 sites
    PrediabetesType 2 diabetes
    View official trial listing →
  • Completed NCT NCT01948128

    Effects of Vitamin D in Patients With Breast Cancer

    Not yet reported Ottawa Hospital Research Institute 83 participants Est. completion 2015-09 1 site Stand-alone
    Other conditions: Breast Cancer
    View official trial listing →
  • Completed NCT NCT01950169

    Effects of Bisphosphonates and Nutritional Supplementation After a Hip Fracture

    Not yet reported Karolinska Institutet 79 participants Est. completion 2009-05 1 site
    Other conditions: Hip Fracture
    View official trial listing →
  • Terminated NCT NCT01968590

    Vitamin D Supplementation for Adults With Neurofibromatosis Type 1 (NF1)

    Not yet reported University of Utah 26 participants Est. completion 2022-01-01 3 sites
    Other conditions: Neurofibromatosis Type 1 (NF1)
    View official trial listing →
  • Completed NCT NCT01994018

    Correlation Between Relapses in Multiple Sclerosis (MS) and Vitamin D Intake

    OSF Healthcare System 100 participants Est. completion 2014-06 1 site
    Other conditions: Multiple Sclerosis
    View official trial listing →
  • Completed NCT NCT02010762

    The Effect of Vitamin D3 to Maintain Surgical Remission in Postoperative Crohn's Disease

    Not yet reported Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) 142 participants Est. completion 2017-12 1 site
    Other conditions: Crohn's Disease
    View official trial listing →
  • Completed NCT NCT02011828

    Ergocalciferol Therapy in Calcidiol Deficient, Hemodialysis Patients on Therapeutic Doses of Paricalcitol

    Not yet reported University of Utah 58 participants Est. completion 2011-01 1 site
    Other conditions: Inflammation, Insulin Resistance
    View official trial listing →
  • Completed NCT NCT02030041

    Effect of Vitamin D Supplementation on Exercise Adaptations in Patients on Statin Therapy

    Not yet reported Post Graduate Institute of Medical Education and Research, Chandigarh 33 participants Est. completion 2015-12 1 site
    Other conditions: Dyslipidemias
    View official trial listing →
  • Status unknown NCT NCT02035033

    The Relationship Between Ca Intake , Blood Level of Ca, PTH, TSH, Vitamin D, and Urine Ca, P and Cardiac Calcium Scoring

    Carmel Medical Center 500 participants Est. completion 2016-02
    Other conditions: Disorders of Phosphorus and Calcium Metabolism
    View official trial listing →
  • Completed NCT NCT02052492

    Safety Study of EF-022 ( Modified Vitamin D Binding Protein Macrophage Activator) in Subjects With Advanced Solid Tumors

    Not yet reported Efranat Ltd. 24 participants Est. completion 2017-05 2 sites
    Other conditions: Solid Tumors
    View official trial listing →
  • Status unknown NCT NCT02054182

    Effect of Vitamin D Supplementation in Young South African Children Hospitalized With Acute Lower Respiratory Infection

    Not yet reported University of Limpopo 320 participants Est. completion 2015-01 1 site
    Other conditions: Acute Lower Respiratory Tract Infection, Pneumonia, Bronchiolitis
    View official trial listing →
  • Completed NCT NCT02090374

    Development of Human Nasal Challenge Models With Microbial Constituents and Grass Pollen

    Not yet reported Imperial College London 93 participants Est. completion 2017-03 1 site
    Other conditions: Allergic Rhinitis, Asthma, Latent Tuberculosis
    View official trial listing →
  • Completed NCT NCT02092701

    Effects of Cholecalciferol Supplementation on Bone Health and Muscle Strength in Adults During Post-burn Period

    Not yet reported University of Liege Est. completion 2013-10 1 site Stand-alone
    Other conditions: Vitamin D, Burn Injury
    View official trial listing →
  • Completed NCT NCT02118129

    Vitamin D Among Young Adults: an Intervention Study Using a Mobile 'App'.

    Not yet reported University of Guelph 105 participants Est. completion 2016-09 1 site
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT02122627

    Vitamin D Supplementation in Patients With COPD

    Not yet reported Amsterdam UMC, location VUmc 158 participants Est. completion 2019-06-26 2 sites
    Other conditions: Chronic Obstructive Pulmonary Disease
    View official trial listing →
  • Completed NCT NCT02136771

    Styrian Vitamin D Hypertension Trial

    Not yet reported Medical University of Graz 200 participants Est. completion 2014-08 1 site
    Other conditions: Arterial Hypertension, Vitamin D Deficiency
    View official trial listing →
  • Terminated NCT NCT02138838

    Efficacy and Safety of Cinacalcet in Pediatric Patients With Secondary Hyperparathyroidism (SHPT) and Chronic Kidney Disease (CKD) on Dialysis

    Not yet reported Amgen 55 participants Est. completion 2016-06-23 60 sites
    Chronic kidney disease
    View official trial listing →
  • Status unknown NCT NCT02148848

    Short-term Functional Recovery Between Early- and Late Bisphosphonate Treatment Following Hemiarthroplasty

    Not yet reported Mahidol University 86 participants Est. completion 2017-10 1 site
    Other conditions: Osteoporotic Fractures, Femoral Neck Fracture
    View official trial listing →
  • Completed NCT NCT02158143

    A Single High-dose Oral Supplement of Vitamin D in Young Chinese

    Not yet reported Chinese Academy of Sciences 28 participants 1 site Stand-alone
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT02186600

    Heartland Osteoporosis Prevention Study

    Not yet reported University of Nebraska 276 participants Est. completion 2019-06-01 1 site Stand-alone
    Other conditions: Osteopenia
    View official trial listing →
  • Completed NCT NCT02192528

    Vitamin D and Outcome in Cardiac Surgery

    Heart and Diabetes Center North-Rhine Westfalia 3852 participants Est. completion 2014-07 1 site
    Cardiovascular disease
    View official trial listing →
  • Completed NCT NCT02224144

    Bone Mass and Strength After Kidney Transplantation

    Not yet reported Columbia University 61 participants Est. completion 2016-10-12 1 site Stand-alone
    Other conditions: End Stage Renal Disease, Kidney Transplantation, Bone Loss, Fractures, Vascular Calcifications
    View official trial listing →
  • Completed NCT NCT02238418

    Efficacy of Usual Vitamin D Supplementation and Its Impact on Children and Adolescents Calciuria.

    Not yet reported Hospices Civils de Lyon 43 participants Est. completion 2017-10 1 site Stand-alone
    Chronic kidney disease Other conditions: Renal Transplantation, Nephrotic Syndrome
    View official trial listing →
  • Completed NCT NCT02250625

    Study Vitamin D in Healthy Individuals

    Fujirebio Diagnostics, Inc. 482 participants Est. completion 2015-04 1 site
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT02269332

    Vitamin D and Screening Colonoscopy or Polyp Surveillance

    Mike O'Callaghan Military Hospital 298 participants Est. completion 2015-11 1 site
    Other conditions: Colon Cancer
    View official trial listing →
  • Completed NCT NCT02271230

    Intervention With Vitamin D and Omega-3 Supplements and Incident Heart Failure

    Not yet reported Brigham and Women's Hospital 25871 participants Est. completion 2019-12 1 site
    Heart failure
    View official trial listing →
  • Completed NCT NCT02331459

    Training Intervention in a Controlled Population of Frail Elderly

    Not yet reported Hospital de la Ribera 100 participants Est. completion 2015-01 1 site
    Other conditions: Physical Activity
    View official trial listing →
  • Completed NCT NCT02334592

    Vitamin D Production Levels Achieved by Sunbed Tanning

    Not yet reported Vitamin D Society 87 participants Est. completion 2014-05
    Other conditions: Healthy
    View official trial listing →
  • Status unknown NCT NCT02338934

    Cinacalcet in Management of Secondary Hyperparathyroidism in Haemodialysis Patients

    Not yet reported Penang Hospital, Malaysia 30 participants Est. completion 2017-01 2 sites
    Other conditions: Secondary Hyperparathyroidism
    View official trial listing →
  • Terminated NCT NCT02341495

    Deferasirox, Cholecalciferol, and Azacitidine in the Treatment of Newly Diagnosed AML Patients Over 65

    Not yet reported Elizabeth Henry 4 participants Est. completion 2016-11 1 site Stand-alone
    Other conditions: Acute Myeloid Leukemia
    View official trial listing →
  • Status unknown NCT NCT02351284

    Impact of Hypovitaminosis D on Bone Disease in HIV Infected Patients

    Jose L. Casado 300 participants Est. completion 2022-12 1 site
    Other conditions: Hypovitaminosis D
    View official trial listing →
  • Completed NCT NCT02362269

    Personalized Vitamin D Supplementation in European and African Americans

    Not yet reported University of Wisconsin, Madison 169 participants Est. completion 2019-05-03 2 sites Stand-alone
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Status unknown NCT NCT02393482

    Psychological Impact of Amenorrhea in Women With Endometriosis

    Not yet reported University of Cagliari 50 participants Est. completion 2022-06 1 site
    Other conditions: Amenorrhea, Endometriosis, Quality of Life
    View official trial listing →
  • Completed NCT NCT02395081

    Trial of Vitamin D Supplements to Raise Calcidiol Levels of Pregnant Women in Mongolia

    Not yet reported Brigham and Women's Hospital 360 participants Est. completion 2016-12 1 site Stand-alone
    Other conditions: Pregnancy, Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT02402608

    Efficacy of Dietary Supplementation and Physical Activity in Sarcopenic Elderly

    Not yet reported Azienda di Servizi alla Persona di Pavia 130 participants Est. completion 2014-12 1 site
    Other conditions: Sarcopenia
    View official trial listing →
  • Completed NCT NCT02416271

    The Forteo Alendronate Comparator Trial

    Not yet reported Eli Lilly and Company 203 participants Est. completion 2003-05 20 sites
    Other conditions: Osteoporosis
    View official trial listing →
  • Terminated NCT NCT02424552

    Effect of Vitamin D as add-on Therapy for Vitamin D Insufficient Patients With Severe Asthma

    Not yet reported Johannes Gutenberg University Mainz 54 participants Est. completion 2017-03-09 9 sites Stand-alone
    Other conditions: Asthma
    View official trial listing →
  • Completed NCT NCT02428647

    Lao Zinc Study: Effects of Two Forms of Daily Preventive Zinc Versus Therapeutic Zinc Supplementation

    Not yet reported University of California, Davis 3433 participants Est. completion 2017-07 1 site
    Other conditions: Diarrhea
    View official trial listing →
  • Completed NCT NCT02443246

    A Prospective, Multi-center Study to Evaluate the Efficacy and Safety of Vitamin D3 B.O.N. Intramuscular Injection in Adults With Vitamin D Deficiency

    Not yet reported Kwang Dong Pharmaceutical co., ltd. 84 participants Est. completion 2015-12 Stand-alone
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT02460380

    The Effects of Vitamin D on Angiogenic Factors in Women With Polycystic Ovary Syndrome

    Not yet reported Maimonides Medical Center 93 participants Est. completion 2015-03
    Other conditions: Polycystic Ovary Syndrome, Vitamin D Deficiency
    View official trial listing →
  • Status unknown NCT NCT02464683

    Effect of Vitamin D as Adjunctive Therapy in Patients With Pulmonary Evolution Tuberculosis

    Not yet reported Instituto Nacional de Enfermedades Respiratorias 60 participants Est. completion 2016-12 1 site
    Other conditions: Pulmonary Tuberculosis
    View official trial listing →
  • Completed NCT NCT02467153

    Vitamin D and Resistance Exercise Training; Effects on Musculoskeletal Health in Frail Older Men and Women

    Not yet reported University of Birmingham 19 participants Est. completion 2019-12-16 1 site Stand-alone
    Other conditions: Sarcopenia, Muscle Atrophy, Osteoporosis
    View official trial listing →
  • Status unknown NCT NCT02518763

    Vitamin D Supplementation in Postmenopausal Women With Osteoporosis: Proposal of a Therapeutic Regimen in Practice

    Not yet reported University Hospital, Caen 120 participants 1 site Stand-alone
    Other conditions: Osteoporosis
    View official trial listing →
  • Completed NCT NCT02527668

    To Test the Effect of Calcifediol Hy.D Supplementation on Muscle Function and Bone Quality in Younger Postmenopausal Women With Osteopenia

    Not yet reported dsm-firmenich Switzerland AG 150 participants Est. completion 2018-12 1 site
    Other conditions: Osteopenia/Osteoporosis
    View official trial listing →
  • Completed NCT NCT02534714

    Analysis of Hypovitaminosis D and Osteopenia/Osteoporosis in Spinal Disease Patients Who Underwent a Spinal Fusion at Illinois Neurological Institute, Peoria, IL., a Retrospective Review From November 1, 2012 to October 31, 2014 and Prospective Pilot From July 1, 2015-June 30, 2016

    OSF Healthcare System 460 participants 1 site
    Other conditions: Hypovitaminosis D, Spinal Disease, Osteoporosis
    View official trial listing →
  • Status unknown NCT NCT02535910

    Effect of vitaminD3 or 25(OH)D3 Fortified Dairy on Vitmain D Status and CVD Risk Markers

    Not yet reported University of Reading 18 participants Est. completion 2016-05 1 site Stand-alone
    Cardiovascular disease Other conditions: Hypovitaminosis D
    View official trial listing →
  • Completed NCT NCT02572960

    Physiologic Interactions Between the Adrenal- and the Parathyroid Glands

    Not yet reported University of Aarhus 81 participants Est. completion 2017-05 1 site
    Cardiovascular disease Other conditions: Osteoporosis, Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT02574286

    Study of the Effect of Velaglucerase Alfa (VPRIV®) on Bone-related Pathology in Treatment-naïve Participants With Type 1 Gaucher Disease

    Not yet reported Shire 21 participants Est. completion 2020-11-30 15 sites
    Other conditions: Gaucher Disease
    View official trial listing →
  • Completed NCT NCT02579902

    Effect of Vitamin D3 Supplementation in Treatment of Irritable Bowel Syndrome

    Not yet reported Ahvaz Jundishapur University of Medical Sciences 90 participants Est. completion 2015-09 1 site
    Other conditions: Irritable Bowel Syndrome
    View official trial listing →
  • Completed NCT NCT02586181

    Effect of 1 Year Vitamin D or D Plus B-vitamins on Bone Markers in Elderly People (KnoVIB)

    Not yet reported Universität des Saarlandes 93 participants Est. completion 2011-07 1 site Stand-alone
    Other conditions: Nutritional Supplement Toxicity
    View official trial listing →
  • Completed NCT NCT02589444

    Vitamin D and Microbiota in Cystic Fibrosis

    Not yet reported Emory University 41 participants Est. completion 2017-04 1 site Stand-alone
    Other conditions: Vitamin D Deficiency, Cystic Fibrosis
    View official trial listing →
  • Completed NCT NCT02589600

    Zoledronic Acid for Osteoporotic Fracture Prevention (ZEST II)

    Not yet reported Susan L. Greenspan 310 participants Est. completion 2022-06-22 1 site
    Other conditions: Osteoporotic Fractures, Osteoporosis, Postmenopausal
    View official trial listing →
  • Status unknown NCT NCT02598635

    Effects of Cholecalciferol on Osteoprotegerin Levels in Patients on Peritoneal Dialysis

    Not yet reported Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran 58 participants Est. completion 2017-06 1 site Stand-alone
    Other conditions: Vitamin D Deficiency, Vascular Calcification, Renal Insufficiency, End Stage Renal Failure on Dialysis
    View official trial listing →
  • Completed NCT NCT02629185

    The Effects of Obesity on Bone Structure and Strength

    Sheffield Teaching Hospitals NHS Foundation Trust 258 participants Est. completion 2013-12 1 site
    Other conditions: Osteoporosis, Obesity
    View official trial listing →
  • Completed NCT NCT02629198

    The Effect of Body Weight on Vitamin D Metabolism

    Sheffield Teaching Hospitals NHS Foundation Trust 112 participants Est. completion 2013-04
    Other conditions: Osteoporosis, Obesity
    View official trial listing →
  • Completed NCT NCT02631629

    Food-based Solutions for Optimal Vitamin D Nutrition and Health

    Not yet reported Technical University of Denmark 143 participants Est. completion 2016-05 1 site
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Status unknown NCT NCT02645006

    Workshop for Primary Prevention of Falls. CHANGING TO NEVER FALL. CTNF

    Not yet reported Sociedad Madrileña de Medicina de Familia y Comunitaria 316 participants Est. completion 2017-02 1 site
    Other conditions: Dietary Habits, Accidental Falls, Unspecified Fall, Occurrence at Home, Physical Activity
    View official trial listing →
  • Completed NCT NCT02654093

    A Drug-drug Interaction Study of DP-R213

    Not yet reported Alvogen Korea 24 participants Est. completion 2016-03 1 site Stand-alone
    Other conditions: Healthy
    View official trial listing →
  • Completed NCT NCT02677233

    Association Between Vitamin D Deficiency and Preeclampsia: A Case Control Study

    Ain Shams Maternity Hospital 90 participants Est. completion 2016-01
    Other conditions: Pre-Eclampsia
    View official trial listing →
  • Withdrawn NCT NCT02684487

    Vitamin D Status in Patients With Severe Sepsis

    Not yet reported Massachusetts General Hospital Est. completion 2022-12 1 site
    Other conditions: Sepsis, Severe Sepsis, End Organ Damage, Multi Organ Failure
    View official trial listing →
  • Completed NCT NCT02731820

    Efficacy of Potassium Citrate in the Treatment of Postmenopausal Osteopenia

    Not yet reported Istituto Ortopedico Rizzoli 40 participants Est. completion 2017-09-30 1 site Stand-alone
    Other conditions: Osteopenia, Bone Disease, Metabolic
    View official trial listing →
  • Completed NCT NCT02750293

    The Effect of Vitamin D Supplementation on Cardiovascular Risk Factors

    Not yet reported University of Tromso 411 participants Est. completion 2017-09 1 site
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT02753283

    Preventing Osteoporosis Using Denosumab

    Not yet reported Susan L. Greenspan 201 participants Est. completion 2023-08 1 site
    Other conditions: Osteoporosis, Postmenopausal, Osteoporosis, Osteoporotic Fractures
    View official trial listing →
  • Status unknown NCT NCT02786875

    Diet, Exercise and Vitamin D in Breast Cancer Recurrence

    Not yet reported National Cancer Institute, Naples 506 participants Est. completion 2023-12-15 7 sites Stand-alone
    Other conditions: Breast Cancer
    View official trial listing →
  • Completed NCT NCT02805231

    Associations of Vitamin D Receptor ApaI and Tru9I Polymorphisms With the Risk of Primary Open-angle Glaucoma

    Lv Yingjuan 300 participants Est. completion 2015-03 1 site
    Other conditions: Primary Open- Angle Glaucoma
    View official trial listing →
  • Completed NCT NCT02805907

    Efficacy of Calcifediol Supplementation in Asthma Control in Asthmatic Patients With Vitamin D Deficiency (ACViD)

    Not yet reported MurciaSalud 112 participants Est. completion 2017-01 1 site
    Other conditions: Asthma, Bronchial
    View official trial listing →
  • Terminated NCT NCT02808676

    SYNchronizing Exercises, Remedies in GaIt and Cognition

    Not yet reported London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's 175 participants Est. completion 2020-11-24 6 sites Stand-alone
    Other conditions: Mild Cognitive Impairment
    View official trial listing →
  • Status unknown NCT NCT02827643

    Vitamin D and Calcium Supplement Attenuate Bone Loss Among HIV- Infected Patients Receiving Tenofovir Disoproxil Fumarate, Lamivudine or Emtricitabine and Efavirenz

    Not yet reported Mahidol University 48 participants Est. completion 2017-06 1 site
    Other conditions: Bone Density
    View official trial listing →
  • Status unknown NCT NCT02873676

    Prevalence and Effect of Lifestyle Modification on Clinical Outcomes and Cost-effectiveness Ratio for Sarcopenia

    Not yet reported Peking Union Medical College Hospital 200 participants Est. completion 2020-12 1 site
    Other conditions: Sarcopenia
    View official trial listing →
  • Terminated NCT NCT02876211

    Paricalcitol Improves Anemia of Inflammation

    Not yet reported Hospital Son Espases 19 participants Est. completion 2024-12 1 site
    Other conditions: Anemia
    View official trial listing →
  • Terminated NCT NCT02877641

    Cholecalciferol Supplementation in Strengthening Inspiratory Muscles in Cholecalciferol-Deficient Patients With Chronic Obstructive Pulmonary Disease

    Not yet reported Roswell Park Cancer Institute 4 participants Est. completion 2017-02-01 1 site Stand-alone
    Other conditions: Chronic Obstructive Pulmonary Disease, Muscle Weakness
    View official trial listing →
  • Completed NCT NCT02893605

    Study of Gene Polymorphisms Involved in the Metabolism and Action of Vitamin D in Amyotrophic Lateral Sclerosis

    Centre Hospitalier Universitaire de Nīmes 800 participants Est. completion 2022-12-31 1 site
    Other conditions: Amyotrophic Lateral Sclerosis
    View official trial listing →
  • Completed NCT NCT02937350

    Clearance of 25-hydroxyvitamin D in Chronic Kidney Disease

    Not yet reported University of Washington 88 participants Est. completion 2021-01-01 1 site
    Chronic kidney disease
    View official trial listing →
  • Completed NCT NCT02945410

    Effect of Caloric Restriction and Protein Intake on Metabolism and Anabolic Sensitivity

    Not yet reported University of Nebraska Lincoln 20 participants Est. completion 2019-02 1 site
    Other conditions: Weight Loss, Starvation
    View official trial listing →
  • Completed NCT NCT02962102

    Activated Vitamin D for the Prevention and Treatment of Acute Kidney Injury

    Not yet reported David Leaf 150 participants Est. completion 2020-08-06 1 site
    Other conditions: Critically Ill, Acute Kidney Injury
    View official trial listing →
  • Completed NCT NCT03028519

    Vitamin D, Leptin, Vitamin D Receptor Polymorphism, and Treatment-Related Morbidity in Ovarian Cancer

    Not yet reported University of Oklahoma 81 participants Est. completion 2020-12-30 1 site Stand-alone
    Other conditions: Ovarian Cancer
    View official trial listing →
  • Completed NCT NCT03040492

    Vitamin D Receptor Polymorphisms and Non-Melanoma Skin Cancer Risk

    University of Alabama at Birmingham 200 participants Est. completion 2017-06-30 1 site
    Other conditions: Skin Cancer, Non-Melanoma
    View official trial listing →
  • Completed NCT NCT03101150

    Effect of Vitamin D3 Supplementation in Pregnancy on Risk of Pre-eclampsia

    Not yet reported, Not yet reported King Fahad Medical City 179 participants Est. completion 2015-12-31 Stand-alone
    Other conditions: Vitamin D Deficiency, Pre-Eclampsia
    View official trial listing →
  • Completed NCT NCT03105583

    A Cross-sectional Study Evaluating Pregnancy Related Use of Vitamins and Medication

    KU Leuven 381 participants Est. completion 2018-01
    Other conditions: Medication and Supplement Use, Pregnant Women
    View official trial listing →
  • Status unknown NCT NCT03132103

    Vitamin D Supplementation and Immunity/Physical Performance

    Not yet reported Bangor University 260 participants Est. completion 2017-08-31 1 site Stand-alone
    Other conditions: Vitamin D Status
    View official trial listing →
  • Completed NCT NCT03134417

    Magnesium and Vitamin D Supplementation and Cardiometabolic Outcomes

    Not yet reported Drexel University 109 participants Est. completion 2021-06-01 1 site
    Other conditions: Overweight and Obesity, Vitamin D Deficiency, Magnesium Deficiency, Cardiovascular Risk Factor
    View official trial listing →
  • Status unknown NCT NCT03142620

    Effect of Vitamin D on Drug Resistant Helicobacter Pylori (HP) Eradication Study

    Not yet reported Chinese University of Hong Kong 96 participants Est. completion 2017-12 1 site
    Other conditions: H. Pylori Infection
    View official trial listing →
  • Active, not recruiting NCT NCT03188796

    The VITDALIZE Study: Effect of High-dose Vitamin D3 on 28-day Mortality in Adult Critically Ill Patients

    Not yet reported Medical University of Graz 2400 participants Est. completion 2027-10 18 sites Stand-alone
    Other conditions: Critical Illness, Vitamin D Deficiency, Covid19
    View official trial listing →
  • Completed NCT NCT03209856

    Vitamin D Supplementation in Vitamin Deficient Women Undergoing IVF Cycles: Does it Affect the Fertility Outcome?

    Not yet reported Cairo University 200 participants Est. completion 2021-04-20 1 site
    Other conditions: Infertility
    View official trial listing →
  • Completed NCT NCT03264625

    The Effects of Oral Vitamin D Supplementation on the Prevention of Peritoneal Dialysis-related Peritonitis

    Not yet reported Peking University First Hospital 60 participants Est. completion 2021-07-30 1 site Stand-alone
    Other conditions: Peritoneal Dialysis-associated Peritonitis, Vitamin D Deficiency
    View official trial listing →
  • Status unknown NCT NCT03284294

    Influence of Vitamin D Supplementation on Serum BDNF Level and Cognitive Function in Schizophrenia

    Not yet reported Universitas Padjadjaran 40 participants Est. completion 2020-12
    Other conditions: Schizophrenia
    View official trial listing →
  • Status unknown NCT NCT03289637

    Supplementation With Vitamin D to Patients With Heart Failure (D-Heart).

    Not yet reported Linkoeping University 200 participants Est. completion 2020-02-01 1 site
    Heart failure Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Status unknown NCT NCT03305276

    Observatory on Impact of Life Styles on Health Outcomes

    Guido Iaccarino 1500 participants Est. completion 2024-05-16 1 site
    Other conditions: Outcome
    View official trial listing →
  • Completed NCT NCT03305510

    Vitamin D Deficiency of Couples and Infertility

    Tongji Hospital 1500 participants Est. completion 2017-06-01
    Other conditions: Vitamin D Deficiency, Infertility, Couples, In-vitro Fertilization
    View official trial listing →
  • Status unknown NCT NCT03305536

    Decalcification of the Aortic Valve by Vitamin K2 (Menaquinone-7)

    Not yet reported Hopital St. Georges, Ajaltoun 150 participants Est. completion 2020-12 1 site
    Other conditions: Aortic Valve Disease
    View official trial listing →
  • Status unknown NCT NCT03327766

    Assesment of Vit D3 Level in Cases of Unexplaind Pregnancy Loss in Assiut

    Woman's Health University Hospital, Egypt 100 participants Est. completion 2018-10-31
    Other conditions: vitD3 Level in Cases of Recuurent Pregnancy Loss
    View official trial listing →
  • Completed NCT NCT03333564

    Effect of Vitamin D3 and Omega-3FA on Estradiol

    Not yet reported Applied Science Private University 116 participants Est. completion 2017-02
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Status unknown NCT NCT03343899

    Genotype-related Molecular Targets in the Vitamin D Pathway for Spinal Disc Diseases

    I.R.C.C.S Ospedale Galeazzi-Sant'Ambrogio 15 participants Est. completion 2019-02-17 1 site
    Other conditions: Intervertebral Disk Degeneration
    View official trial listing →
  • Terminated NCT NCT03380091

    Metformin, Vitamin D, and Depression in Polycystic Ovary Syndrome (PCOS) Trial

    Not yet reported University of California, San Francisco 5 participants Est. completion 2019-09-01 1 site Stand-alone
    Other conditions: PCOS, Depression, Vitamin D Deficiency, Insulin Resistance
    View official trial listing →
  • Status unknown NCT NCT03389659

    XELOX/mFOLFOX Plus Vitamin D3 vs. XELOX/mFOLFOX as Firstline Chemotherapy in mCRC

    Not yet reported Tianjin Medical University Cancer Institute and Hospital 750 participants Est. completion 2022-06 Stand-alone
    Other conditions: Vitamin D3
    View official trial listing →
  • Completed NCT NCT03403933

    Vitamin D Supplementation on in Major Orthopedic Surgery

    Not yet reported I.R.C.C.S Ospedale Galeazzi-Sant'Ambrogio 74 participants Est. completion 2018-07-16 1 site
    Cardiovascular disease Other conditions: Hypovitaminosis D
    View official trial listing →
  • Completed NCT NCT03406897

    Pilot Study of OMEGA-3 and Vitamin D in High-Dose in Type I Diabetic Patients

    Not yet reported, Not yet reported Rodolfo Alejandro 27 participants Est. completion 2024-07-31 1 site
    Other conditions: Diabetes Mellitus, Type 1, Hypoglycemia, Diabetes Mellitus, Diabetes, Autoimmune
    View official trial listing →
  • Completed NCT NCT03417700

    Vitamin D as a Factor Modifying Adaptation to Exercise

    Not yet reported Gdansk University of Physical Education and Sport 100 participants Est. completion 2020-01-10 2 sites
    Other conditions: Vitamin D3 Deficiency
    View official trial listing →
  • Active, not recruiting NCT NCT03443765

    Serum 25(OH) Vitamin D and Total Serum Immunoglobulin E Levels in Patients With Pityriasis Alba

    Research Institute of Epidemiology, Microbiology and Infectious Diseases, Uzbekistan 280 participants Est. completion 2025-12-31 1 site
    Other conditions: Pityriasis Alba
    View official trial listing →
  • Terminated NCT NCT03471481

    Magnesium as a Mediator of Bone and Vitamin D Metabolism in Patients on Antiepileptic Drug Therapy

    Drexel University 7 participants Est. completion 2019-08-01 2 sites
    Other conditions: Epilepsy, Magnesium Deficiency, Vitamin D Deficiency
    View official trial listing →
  • Terminated NCT NCT03472833

    High-dose Vitamin D3 in Pancreas Cancer

    Not yet reported Medical University of Graz 25 participants Est. completion 2021-04-20 1 site Stand-alone
    Other conditions: Pancreas Cancer, Vitamin D Deficiency, Quality of Life
    View official trial listing →
  • Status unknown NCT NCT03496246

    Vitamin D Status in Inflammatory Bowel Disease

    Not yet reported Assiut University 50 participants Est. completion 2019-06 1 site
    Other conditions: Vitamin D Deficiency, Inflammatory Bowel Diseases
    View official trial listing →
  • Completed NCT NCT03504280

    Changes in Serum Vitamin D Level After Different Loading Doses of Cholecalciferol

    Not yet reported Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh 105 participants Est. completion 2017-10
    Other conditions: Hypovitaminosis D
    View official trial listing →
  • Status unknown NCT NCT03516409

    Bio-Kult Infantis® in AAD Prevention in Infants

    Not yet reported Probiotics International Ltd. 276 participants Est. completion 2018-12-15 1 site
    Other conditions: Acute Otitis Media
    View official trial listing →
  • Completed NCT NCT03516773

    Oral PTH(1-34) PK and PD Study in Patients With Hypoparathyroidism

    Not yet reported Entera Bio Ltd. 20 participants Est. completion 2019-02-24 1 site
    Other conditions: Hypoparathyroidism
    View official trial listing →
  • Completed NCT NCT03520231

    Study Comparing Denosumab With Standard Treatment in Urothelial Cancer Patients With Bone Metastases

    Not yet reported University Health Network, Toronto 6 participants Est. completion 2020-12-01 1 site
    Other conditions: Urothelial Carcinoma, Kidney Cancer, Ureter Cancer, Bladder Cancer
    View official trial listing →
  • Completed NCT NCT03534934

    CT-Based Modeling of Bone Micro-Architecture and Fracture-Risk in COPD

    Not yet reported Punam K Saha 560 participants Est. completion 2025-03-19 2 sites
    Other conditions: Pulmonary Disease, Chronic Obstructive, Osteoporosis
    View official trial listing →
  • Completed NCT NCT03552666

    Clinical Study on the Bioequivalence of Vitamin D in Healthy Adults

    Not yet reported Church & Dwight Company, Inc. 9 participants Est. completion 2017-03-27 1 site Stand-alone
    Other conditions: Bioequivalence of Vitamin D in Healthy Adults
    View official trial listing →
  • Terminated NCT NCT03602261

    Safety, Efficacy, PK and PD of CTAP101 (Calcifediol) ER Capsules for SHPT in HD Patients VDI

    Not yet reported OPKO Health, Inc. 44 participants Est. completion 2021-02-24 18 sites
    Chronic kidney disease Other conditions: Secondary Hyperparathyroidism Due to Renal Causes, Vitamin D Deficiency
    View official trial listing →
  • Terminated NCT NCT03611049

    Improving Functionality in Older People

    Not yet reported Texas Tech University Health Sciences Center 14 participants Est. completion 2019-07-19 1 site
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT03615833

    Pilot Study of Vitamin D Screening Use in Peripheral Arterial Disease Patient Over Maximum Distance Walking

    Not yet reported University Hospital, Angers 27 participants Est. completion 2020-09-21 1 site Stand-alone
    Other conditions: Peripheral Arterial Disease
    View official trial listing →
  • Suspended NCT NCT03623763

    Vitamin D Level Among Athletes in Uzbekistan

    Research Institute of Epidemiology, Microbiology and Infectious Diseases, Uzbekistan 100 participants Est. completion 2026-04-01
    Other conditions: Athletes, Respiratory Infection, Cytokines, Vitamin D
    View official trial listing →
  • Completed NCT NCT03648528

    Cholecalciferol Supplementation Effect on Parathyroid Hormone in Hemodialysis Patients

    Not yet reported Cooperativa Asistencia Sindicato Médico Uruguay 120 participants Est. completion 2018-05 Stand-alone
    Other conditions: Vitamin D Deficiency, Hemodialysis Patient
    View official trial listing →
  • Completed NCT NCT03695562

    Stability of Dental Implants Placed in Patients With Vitamin D Deficiency Using Sequential Drilling Versus a New One Single Drilling Design

    Not yet reported Cairo University 30 participants Est. completion 2021-02-14 1 site
    Other conditions: Implant Stability With Vitamin D Deficiency
    View official trial listing →
  • Status unknown NCT NCT03732495

    Study of the Efficacy of Lenvatinib Combined With Denosumab in the Treatment of Patients With Predominant Bone Metastatic Radioiodine Refractory Differentiated Thyroid Carcinomas

    Not yet reported Centre Leon Berard 35 participants Est. completion 2023-01-15 14 sites
    Other conditions: Thyroid Cancer Metastatic
    View official trial listing →
  • Completed NCT NCT03734250

    D Vitamin Effects on Neuromuscular Blocker Reverse Time

    Duzce University 84 participants Est. completion 2018-03-01
    Other conditions: Vitamin D Deficiency, Neuromuscular Block, Neuromuscular Block Problem
    View official trial listing →
  • Completed NCT NCT03739671

    Vitamin D Supplementation and Effects on Mood in Emergency Medicine Residents

    Not yet reported Corewell Health South 27 participants Est. completion 2020-04-30 1 site
    Other conditions: Seasonal Mood Disorder
    View official trial listing →
  • Status unknown NCT NCT03766074

    Vitamin D Supplementation in Patients With Depression

    Not yet reported Tirang R. Neyestani, Ph.D. 60 participants Est. completion 2019-09 1 site
    Other conditions: Depression
    View official trial listing →
  • Completed NCT NCT03770845

    Nutritional Assessment in Idiopathic Pulmonary Fibrosis

    San Gerardo Hospital 100 participants Est. completion 2021-09-01 9 sites
    Other conditions: Idiopathic Pulmonary Fibrosis
    View official trial listing →
  • Completed NCT NCT03782805

    Effect of Vitamin D Supplementation on Inflammatory Markers

    Not yet reported Université d'Auvergne 88 participants Est. completion 2018-07-09 1 site Stand-alone
    Type 2 diabetes Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT03792763

    Denosumab for High Risk SMM and SLiM CRAB Positive, Early Myeloma Patients

    Not yet reported Arbeitsgemeinschaft medikamentoese Tumortherapie 8 participants Est. completion 2023-09-14 10 sites Stand-alone
    Other conditions: Multiple Myeloma
    View official trial listing →
  • Completed NCT NCT03793309

    Different Doses of Vitamin D and T Regulatory Cells in Preterm Infants

    Not yet reported Cairo University 40 participants Est. completion 2017-12-11
    Other conditions: Prematurity, Immune Defect
    View official trial listing →
  • Completed NCT NCT03796897

    Supplementation of a Leucine-enriched Protein Blend

    Not yet reported McMaster University 8 participants Est. completion 2020-03-01 1 site
    Other conditions: Dietary Modification, Diet Habit
    View official trial listing →
  • Completed NCT NCT03820895

    Vitamin D Levels in Adolescent Idiopathic Scoliosis

    Security Forces Hospital 60 participants Est. completion 2019-01-10
    Other conditions: Scoliosis Idiopathic, Vitamin D Deficiency, BMD
    View official trial listing →
  • Completed NCT NCT03824171

    Evaluating the Pharmacokinetic Characteristics of AD-102 in Healthy Volunteers

    Not yet reported Addpharma Inc. 52 participants Est. completion 2019-04-08 1 site Stand-alone
    Other conditions: Osteoporosis
    View official trial listing →
  • Completed NCT NCT03826654

    Assessment of the Efficacy of Vitamin D-fortified Oil in Healthy Adults

    Not yet reported National Nutrition and Food Technology Institute 60 participants Est. completion 2018-07-01 1 site
    Other conditions: Healthy
    View official trial listing →
  • Completed NCT NCT03828097

    The Effects of a Multi-vitamin Supplement in Adult Females

    Not yet reported Auburn University 94 participants Est. completion 2019-06-01 1 site Stand-alone
    Other conditions: Health, Subjective
    View official trial listing →
  • Completed NCT NCT03878667

    Effects of Calcium Supplementation on Women in the Curves for Women Program

    Not yet reported Texas A&M University 240 participants Est. completion 2005-12-31
    Other conditions: Diet Modification
    View official trial listing →
  • Status unknown NCT NCT03889717

    Comparison of Two Different Doses of Vitamin D in Preterm Infants

    Not yet reported Cairo University 80 participants Est. completion 2019-06-30 1 site
    Other conditions: Osteopenia of Prematurity
    View official trial listing →
  • Completed NCT NCT03892395

    An Intervention Study to Investigate the Effect of B-vitamin Supplementation for 2-years on Bone Health

    Not yet reported University College Dublin 240 participants Est. completion 2022-05-31 1 site
    Other conditions: Bone Health
    View official trial listing →
  • Completed NCT NCT03911843

    Omega-3 and Vitamin D Supplements in Childhood T1D

    Not yet reported, Not yet reported Azienda Ospedaliero Universitaria Maggiore della Carita 64 participants Est. completion 2018-12-31 Stand-alone
    Other conditions: Type 1 Diabetes Mellitus
    View official trial listing →
  • Completed NCT NCT03919812

    Immunomodulatory Vitamin D in Thalassemia

    Not yet reported Universitas Padjadjaran 60 participants Est. completion 2018-08-15 1 site Stand-alone
    Other conditions: Thalassemia, Tuberculosis, Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT03920150

    Vitamin D 24'000 IU for Oral Intermittent Supplementation

    Not yet reported University Hospital, Basel, Switzerland 58 participants Est. completion 2020-05-31 1 site
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT03958409

    Evaluation and Management of Metabolic Bone Disease in Kidney Transplant Recipients

    Not yet reported Yale University 8 participants Est. completion 2021-12-02 1 site
    Other conditions: Skeletal Anomalies, Kidney Transplant; Complications
    View official trial listing →
  • Status unknown NCT NCT03999580

    The Vitamin D in Pediatric Crohn's Disease ( ViDiPeC-2 )

    Not yet reported Jantchou Prevost 316 participants Est. completion 2024-12 7 sites Stand-alone
    Other conditions: Crohn Disease
    View official trial listing →
  • Status unknown NCT NCT04010578

    Effects of VitamIN K2 and D3 supplementaTion on PET/MRI in Carotid Artery Disease

    Not yet reported Academisch Ziekenhuis Maastricht 52 participants Est. completion 2025-04-01 Stand-alone
    Cardiovascular disease Other conditions: Carotid Artery Disease
    View official trial listing →
  • Completed NCT NCT04019899

    Myo-inositol and Vitamin D3 During IVF

    Not yet reported Lo.Li.Pharma s.r.l 120 participants Est. completion 2019-05-31 1 site Stand-alone
    Other conditions: Female Infertility
    View official trial listing →
  • Completed NCT NCT04041973

    Study to Assess Efficacy of Artemether-lumefantrine Prophylaxis Against Forest Malaria in Cambodia (PAL_Cambodia)

    Not yet reported University of Oxford 1480 participants Est. completion 2021-03-17 2 sites
    Other conditions: Malaria
    View official trial listing →
  • Completed NCT NCT04066842

    Vitamin D in Systemic Sclerosis Patients With Periodontitis

    University of Messina 168 participants Est. completion 2019-05-30 1 site
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT04113837

    Human Intervention Study for Validating Foods With Improved Nutrient Profile

    Not yet reported University of Jena 60 participants Est. completion 2020-03-23 1 site
    Other conditions: Cardiovascular Risk Factor
    View official trial listing →
  • Status unknown NCT NCT04115982

    Vitamin D3 in Sensory Recovery After Digital NERVe Suture (D3NERV).

    Not yet reported University Hospital, Caen 72 participants Est. completion 2022-12 3 sites Stand-alone
    Other conditions: Digital Nerve Injury
    View official trial listing →
  • Status unknown NCT NCT04177069

    Evaluate the Improving Effects of Visucomplex Plus on Quality of Life in Patients With AMD

    VISUfarma SpA 160 participants Est. completion 2020-12-30 4 sites
    Other conditions: AMD
    View official trial listing →
  • Completed NCT NCT04209231

    Effect of Vitamin D on Periodontal Disease

    Recep Tayyip Erdogan University Training and Research Hospital 82 participants Est. completion 2016-04 1 site
    Other conditions: Vitamin D Deficiency, Periodontal Diseases
    View official trial listing →
  • Completed NCT NCT04216459

    Effect of Anti-inflammatory and Anti-microbial Co-supplementations in Traumatic ICU Patients at High Risk of Sepsis

    Not yet reported Mansoura University 112 participants Est. completion 2021-10-04 1 site
    Other conditions: Major Trauma, Sepsis
    View official trial listing →
  • Completed NCT NCT04262479

    Injections of Glutamic Acid Decarboxylase (GAD) for LADA Type of Diabetes

    Not yet reported Norwegian University of Science and Technology 14 participants Est. completion 2022-05-05 2 sites
    Other conditions: Latent Autoimmune Diabetes in Adults
    View official trial listing →
  • Completed NCT NCT04270643

    Trial of High-Dose Vitamin D in the Treatment of Complicated Severe Acute Malnutrition

    Not yet reported Queen Mary University of London 259 participants Est. completion 2024-06-30 2 sites Stand-alone
    Other conditions: Severe Acute Malnutrition
    View official trial listing →
  • Status unknown NCT NCT04291313

    Vitamin D in Pregnancy

    Not yet reported University of Aarhus 2000 participants Est. completion 2023-05 2 sites Stand-alone
    Other conditions: Vitamin D Deficiency, Pre-Eclampsia, Fetal Growth Retardation, Gestational Diabetes
    View official trial listing →
  • Status unknown NCT NCT04320225

    Connection Between Vitamin D Level and the Efficacy of Dexamethasone in Immune Thrombocytopenia

    Shandong University 60 participants Est. completion 2021-10-01
    Other conditions: Immune Thrombocytopenia
    View official trial listing →
  • Withdrawn NCT NCT04329221

    Immunotherapy Before Transplantation for Skin Cancer Prevention in Organ Transplant Recipients

    Not yet reported Massachusetts General Hospital Est. completion 2030-01 2 sites
    Other conditions: Cutaneous Squamous Cell Carcinoma, Actinic Keratoses, Skin Cancer, Organ Transplant Recipients, Immunotherapy
    View official trial listing →
  • Completed NCT NCT04335084

    A Study of Hydroxychloroquine, Vitamin C, Vitamin D, and Zinc for the Prevention of COVID-19 Infection

    Not yet reported ProgenaBiome 254 participants Est. completion 2024-04-11 1 site
    Other conditions: COVID-19, Coronavirus Infection, Sars-CoV2, Corona Virus Infection, COVID, Coronavirus, Coronavirus-19, Coronavirus 19
    View official trial listing →
  • Completed NCT NCT04386499

    Biological Effects of Treatment With Resveratrol in ART Patients

    Not yet reported University Of Perugia 100 participants Est. completion 2020-05-05 1 site
    Other conditions: Infertility, Female
    View official trial listing →
  • Completed NCT NCT04405141

    Uroflowmetry Results and Vitamin D Levels

    Umraniye Education and Research Hospital 186 participants Est. completion 2017-12-30
    Other conditions: Lower Urinary Tract Symptoms, Vitamin D Deficiency, Calcium Deficiency
    View official trial listing →
  • Completed NCT NCT04407286

    Vitamin D Testing and Treatment for COVID 19

    Not yet reported Arizona State University 41 participants Est. completion 2020-11-30 1 site Stand-alone
    Other conditions: Covid 19, Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT04435119

    Covid-19 and Vitamin D in Nursing-home

    University Hospital, Angers 96 participants Est. completion 2020-05-15 1 site
    Other conditions: Coronavirus
    View official trial listing →
  • Status unknown NCT NCT04476680

    Influence of Military Preventive Policy for reCruit Training on COVID-19 Seroconversion

    Not yet reported Royal Centre for Defence Medicine 900 participants Est. completion 2021-04-28 2 sites
    Other conditions: SARS-CoV Infection, Vitamin D Deficiency, Covid19, Acute Respiratory Tract Infection
    View official trial listing →
  • Status unknown NCT NCT04482504

    Balance Disorders Related to Pregnancy

    Comenius University 230 participants Est. completion 2020-09-30 1 site
    Other conditions: Balance, Postural, Fall, Pregnancy Related
    View official trial listing →
  • Status unknown NCT NCT04487951

    N-terminal Pro B-type Natriuretic Peptide and Vitamin D Levels as Prognostic Markers in COVID-19 Pneumonia

    Cairo University 100 participants Est. completion 2021-01-01 1 site
    Other conditions: COVID19 Pneumonia
    View official trial listing →
  • Status unknown NCT NCT04488172

    Exploring the Effects of Genetic Variants and Inflammation on Vitamins Supplementation Treatment Outcomes in Epilepsy

    Not yet reported National Cheng-Kung University Hospital 200 participants Est. completion 2021-07 1 site
    Other conditions: Epilepsy
    View official trial listing →
  • Completed NCT NCT04535791

    Efficacy of Vitamin D Supplementation to Prevent the Risk of Acquiring COVID-19 in Healthcare Workers

    Not yet reported Coordinación de Investigación en Salud, Mexico 321 participants Est. completion 2021-07-15 1 site Stand-alone
    Other conditions: Covid19, Vitamin D
    View official trial listing →
  • Completed NCT NCT04545554

    Study to Evaluate Romosozumab in Children and Adolescents With Osteogenesis Imperfecta

    Not yet reported Amgen 25 participants Est. completion 2023-03-30 15 sites
    Other conditions: Osteogenesis Imperfecta
    View official trial listing →
  • Status unknown NCT NCT04551755

    Safety and Efficacy of Ivermectin and Doxycycline in Treatment of Covid-19

    Not yet reported Bangladesh Medical Research Council (BMRC) 188 participants Est. completion 2020-12
    Other conditions: Covid19
    View official trial listing →
  • Status unknown NCT NCT04586348

    Prenatal Iodine Supplementation and Early Childhood Neurodevelopment

    Not yet reported South Australian Health and Medical Research Institute 794 participants Est. completion 2025-12 1 site Stand-alone
    Other conditions: Pregnancy Related, Neurodevelopmental Disorders, Nutrition Disorder, Fetal
    View official trial listing →
  • Completed NCT NCT04603690

    Oral Curcumin, Quercetin and Vitamin D3 Supplements for Mild to Moderate Symptoms of COVID-19

    Not yet reported Liaquat University of Medical & Health Sciences 50 participants Est. completion 2022-02-28 1 site Stand-alone
    Other conditions: Covid-19
    View official trial listing →
  • Completed NCT NCT04606017

    Effect of Vitamin D Supplementation on Infliximab Response in Patients With Crohn's Disease

    Second Affiliated Hospital of Wenzhou Medical University 70 participants Est. completion 2020-06-01 1 site
    Other conditions: Crohn Disease, Vitamin D Deficiency, Vitamin D Supplement
    View official trial listing →
  • Completed NCT NCT04609189

    Pearlium®/Effecti-Cal®, a Novel Formulation of Calcium, Vitamin D and Minerals for Prevention of Postmenopausal Bone Loss

    Not yet reported University of Alberta 97 participants Est. completion 2014-05-02
    Other conditions: Osteoporosis, Postmenopausal
    View official trial listing →
  • Completed NCT NCT04613258

    Soy, Catfish, Anchovy, and Rice Supplementation Increases 25(OH)D Serum Levels in Tuberculosis Patients With Complications

    Not yet reported Universitas Sumatera Utara 43 participants Est. completion 2019-09-17 1 site
    Other conditions: Tuberculosis
    View official trial listing →
  • Terminated NCT NCT04629534

    Mothers' Own Milk Optimization for Preterm Infants Project (MoMO PIP) Pilot Study

    Not yet reported Medical University of South Carolina 8 participants Est. completion 2022-04-01 1 site Stand-alone
    Other conditions: Vitamin D Deficiency, Nutritional Deficiency
    View official trial listing →
  • Completed NCT NCT04666753

    Retrospective Study of ImmunoFormulation for COVID-19

    Fagron Iberica S.A.U. 40 participants Est. completion 2020-09-29 2 sites
    Other conditions: Covid19
    View official trial listing →
  • Completed NCT NCT04684771

    Tolerance, Efficacy, revAlidation, Myostim

    Not yet reported Alternativa International S.A 35 participants Est. completion 2017-12-31 2 sites
    Other conditions: Anterior Cruciate Ligament Rupture
    View official trial listing →
  • Completed NCT NCT04687527

    Vitamin D Levels and Postoperative Pain in Laparoscopic Cholecystectomy

    Bozok University 80 participants Est. completion 2021-04-30 1 site
    Other conditions: Vitamin D Deficiency, Postoperative Pain
    View official trial listing →
  • Completed NCT NCT04766645

    ACE2 Gender Differences in Stroke With COVID-19

    Fondazione Don Carlo Gnocchi ETS 77 participants Est. completion 2023-01-31 1 site
    Other conditions: Neurologic Manifestations
    View official trial listing →
  • Completed NCT NCT04768439

    Low and High Doses of Prophylactic Vitamin D in Prevention of Osteopenia of Prematurity

    Not yet reported Alexandria University 80 participants Est. completion 2021-04-30 1 site
    Other conditions: Osteopenia of Prematurity
    View official trial listing →
  • Status unknown NCT NCT04778280

    Vitamin D Estimation With Giardia Lamblia Infections

    Sohag University 192 participants Est. completion 2022-02 2 sites
    Other conditions: Giardia Lamblia Infection
    View official trial listing →
  • Completed NCT NCT04780776

    Evaluating the Effect of SOLIUS UV Light Source in Improving Vitamin D Status

    Not yet reported Boston University 69 participants Est. completion 2023-11-02 1 site
    Other conditions: Vitamin D Deficiency, Vitamin D Insufficiency
    View official trial listing →
  • Completed NCT NCT04783337

    Local Remodelling of Bone Fracture Healing

    Not yet reported Medical University Innsbruck 106 participants Est. completion 2019-12-19 Stand-alone
    Other conditions: Fracture Healing, Distal Radius Fracture
    View official trial listing →
  • Completed NCT NCT04801303

    Evaluation of the Effects of Calcitriol's in the Neurological Symptoms of Friedreich's Ataxia Patients

    Not yet reported Berta Alemany 20 participants Est. completion 2023-01-31 1 site
    Other conditions: Friedreich Ataxia
    View official trial listing →
  • Status unknown NCT NCT04829487

    The Role of Vitamin D Supplementation on Pain in Women With Primary Dysmenorrhea and Hypovitaminosis D

    Not yet reported Mahidol University 36 participants Est. completion 2023-04-30
    Other conditions: Hypovitaminosis D
    View official trial listing →
  • Status unknown NCT NCT04844957

    Correlation Between Vitamin D and Symptoms Severity of Autonomic Nervous Mediated Syncope Child and it 's RAAS

    Not yet reported Kongyujie 100 participants Est. completion 2022-12-20 1 site
    Other conditions: Vitamin D
    View official trial listing →
  • Status unknown NCT NCT04850547

    Effect of Fatty Liver Disease on Bone Density

    Sohag University 80 participants Est. completion 2022-05
    Other conditions: Non-Alcoholic Fatty Liver Disease, Osteoporosis
    View official trial listing →
  • Completed NCT NCT04918368

    Vitamin D and Sleep Disorders in Pregnancy

    Gaziosmanpasa Research and Education Hospital 225 participants Est. completion 2019-03-15 1 site
    Other conditions: Sleep Disorder, Pregnancy Related, Vitamin D Deficiency
    View official trial listing →
  • Active, not recruiting NCT NCT04935840

    Evaluation of the Effect of FertyBiotic Pregnancy in the Metabolic Profile in Pregnant Women

    Not yet reported Fertypharm 84 participants Est. completion 2026-03-23 2 sites Stand-alone
    Other conditions: Pregnancy Related
    View official trial listing →
  • Completed NCT NCT04952857

    Short Term, High Dose Vitamin D Supplementation in Moderate to Severe COVID-19 Disease

    Not yet reported Post Graduate Institute of Medical Education and Research, Chandigarh 90 participants Est. completion 2021-12-10 1 site Stand-alone
    Other conditions: Covid19
    View official trial listing →
  • Completed NCT NCT04959318

    Precision Nutrition Impact on Health-Related Behavior Change

    Not yet reported Madigan Army Medical Center 138 participants Est. completion 2021-07-09 1 site
    Metabolic syndrome
    View official trial listing →
  • Withdrawn NCT NCT04965233

    Using a Telemedicine Approach in a Genome-wide Association Study of Atopic Dermatitis - Searching for Novel Biomarkers in Clinically Relevant Phenotypes

    Studies&Me Est. completion 2021-12-31 2 sites
    Other conditions: Atopic Dermatitis, Eczema, DNA
    View official trial listing →
  • Status unknown NCT NCT04989374

    Regulation of Vitamin D Metabolism by Washed Microbiota Transplantation in Patients With IBD

    The Second Hospital of Nanjing Medical University 200 participants Est. completion 2021-12-30 1 site
    Other conditions: IBD
    View official trial listing →
  • Status unknown NCT NCT05002530

    Investigating the Potential Role of Aerosolized Retinoic Acid, a Potent Vitamin A Metabolite for Treating COVID-19 Anosmia and Retinoic Acid Insufficiency .A Novel Approach for Regaining Sense of Smell.

    Not yet reported Kafrelsheikh University 10000 participants Est. completion 2022-01 3 sites Stand-alone
    Other conditions: Post COVID-19 Anosmia (Loss of Smell)
    View official trial listing →
  • Status unknown NCT NCT05018988

    Vitamin D in School Children

    Not yet reported University of Ulster 118 participants Est. completion 2025-10-30 1 site Stand-alone
    Other conditions: Vitamin D Deficiency, Musculoskeletal Diseases, Cognitive Delay, Mild
    View official trial listing →
  • Completed NCT NCT05037253

    COVID-19 Morbidity in Healthcare Workers and Vitamin D Supplementation

    Not yet reported Federal State Budgetary Institution, V. A. Almazov Federal North-West Medical Research Centre, of the Ministry of Health 128 participants Est. completion 2021-05-30 1 site
    Other conditions: COVID-19 Respiratory Infection
    View official trial listing →
  • Active, not recruiting NCT NCT05058976

    Romosozumab Use to Build Skeletal Integrity

    Not yet reported Susan L. Greenspan 184 participants Est. completion 2027-03-31 1 site
    Other conditions: Osteoporosis, Osteoporosis, Postmenopausal, Osteoporosis Fracture
    View official trial listing →
  • Completed NCT NCT05076162

    Vitamin D Level and Emergence Delirium in Children

    Aydin Adnan Menderes University 97 participants Est. completion 2021-02-01 1 site
    Other conditions: Delirium
    View official trial listing →
  • Completed NCT NCT05078502

    Role of Vitamin D3 Supplementation With Conventional Synthetic Disease Modifying Antirheumatic Drugs(csDMARD) in Rheumatoid Arthritis Patients

    Not yet reported Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh 58 participants Est. completion 2022-01-31 1 site
    Other conditions: Rheumatoid Arthritis
    View official trial listing →
  • Status unknown NCT NCT05141838

    Vitamin D Status and Bone Metabolism Status in Children With Congenital Epidermolysis Bullosa

    Not yet reported National Medical Research Center for Children's Health, Russian Federation 110 participants Est. completion 2023-01 1 site
    Obstructive sleep apnea Other conditions: Vitamin D Deficiency, Osteoporosis, Osteopenia, Phosphorus and Calcium Disorders
    View official trial listing →
  • Completed NCT NCT05141968

    Vitamin D Supplementation and Glycemic Control Improvement Among Type 1 Diabetic Children

    Not yet reported Al-Azhar University 80 participants Est. completion 2021-06-16 1 site
    Other conditions: Type 1 Diabetes Mellitus, Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT05149339

    Vitamin D Effect on A Disintegrin-like And Metalloprotease Thrombospondin1 Motif 13& Interleukin 6 in Leukemia

    Not yet reported, Not yet reported Zagazig University 38 participants Est. completion 2021-03-15 1 site Stand-alone
    Other conditions: Acute Myeloid Leukemia, Vitamin D Deficiency, ADAMTS13, Interleukin 6
    View official trial listing →
  • Status unknown NCT NCT05186194

    The Effect of Vitamin D and Calcium Supplementation on the Prevention of Stress Fractures.

    Not yet reported Xijing Hospital 240 participants Est. completion 2022-09-30 1 site
    Other conditions: Stress Fracture, Vitamin d
    View official trial listing →
  • Completed NCT NCT05228925

    GraviD-child Follow-up of the Children´s Health, Growth and Development Within the GraviD-study

    Göteborg University 172 participants Est. completion 2023-02-14 1 site
    Other conditions: Vitamin D Deficiency, Body Composition, Vascular Health, Cardiometabolic Risk
    View official trial listing →
  • Completed NCT NCT05235334

    Evaluating Mental Health Improvements After Using Home Phototherapy Device With UVB LEDs

    Not yet reported BeneSol, Inc. dba SOLIUS 13 participants Est. completion 2023-04-12 2 sites
    Other conditions: Usability, Quality of Life
    View official trial listing →
  • Suspended NCT NCT05259527

    Vitamin D Supplementation on Reported Rates of Taxane-Induced Neuropathy

    Not yet reported Virginia Commonwealth University 120 participants Est. completion 2030-03-31 1 site
    Other conditions: Neuropathic Pain
    View official trial listing →
  • Status unknown NCT NCT05270343

    Early High-Dose Vitamin D and Residual β-Cell Function in Pediatric Type 1 Diabetes

    Not yet reported Shanghai Jiao Tong University School of Medicine 198 participants Est. completion 2024-12-30 1 site Stand-alone
    Other conditions: Type 1 Diabetes
    View official trial listing →
  • Not yet recruiting NCT NCT05322538

    Menier's Disease - Bone Density Study

    Not yet reported HaEmek Medical Center, Israel 60 participants Est. completion 2028-12-31
    Other conditions: Meniere Disease, Osteoporosis, Osteopenia, Vitamin D Deficiency, Vestibular Disorder
    View official trial listing →
  • Completed NCT NCT05326841

    Effect of Cholecalciferol Supplementation on Disease Activity and Quality of Life of Systemic Lupus Erythematosus Patients .

    Not yet reported Dr Cipto Mangunkusumo General Hospital 60 participants Est. completion 2022-01-11 1 site Stand-alone
    Other conditions: Lupus Erythematosus, Systemic, Cholecalciferol Supplementation, Disease Activity, Quality of Life
    View official trial listing →
  • Completed NCT NCT05346419

    Antiresorptive Effect of Treatment With Risedronate and Vitamin D in Postmenopausal Patients

    Not yet reported Hospital Regional 1o de Octubre 33 participants Est. completion 2022-02-26 1 site
    Other conditions: Postmenopausal Osteoporosis, Hypovitaminosis D, Hyperparathyroidism
    View official trial listing →
  • Completed NCT NCT05361148

    Long-term Health After Severe Acute Malnutrition in Children and Adults: the Role of the Pancreas

    London School of Hygiene and Tropical Medicine 2305 participants Est. completion 2023-08-31 4 sites
    Other conditions: Pancreas Atrophy, Diabetes, Malnutrition
    View official trial listing →
  • Status unknown NCT NCT05376189

    Oral Vitamin D and Toll Like Receptor in Spondylitis Tuberculosis

    Not yet reported, Not yet reported Hasanuddin University 37 participants Est. completion 2023-02-01 1 site Stand-alone
    Other conditions: Spondylitis, Tuberculosis
    View official trial listing →
  • Completed NCT NCT05376774

    Prediction Model of Vitamin D Deficiency

    National Taiwan University Hospital 662 participants Est. completion 2022-09-01 1 site
    Other conditions: Critical Illness
    View official trial listing →
  • Completed NCT NCT05376865

    Effects of Vitamin D Supplementation on Obesity, Inflammatory and Metabolic Markers

    Not yet reported Tirang R. Neyestani, Ph.D. 46 participants Est. completion 2022-02-20 1 site Stand-alone
    Other conditions: Overweight, Hypovitaminosis D
    View official trial listing →
  • Status unknown NCT NCT05381168

    Calcium From Fish Bone in Volunteers With Osteopenia

    Not yet reported Chulalongkorn University 48 participants Est. completion 2022-12-31
    Other conditions: Osteopenia
    View official trial listing →
  • Completed NCT NCT05384431

    Can We Achieve 'high-quality' Weight Loss Through Supplementation and Exercise? the TRIM MUSCLE Study

    Not yet reported Exerkine Corporation 51 participants Est. completion 2024-12-20 1 site
    Other conditions: Overweight, Obesity
    View official trial listing →
  • Completed NCT NCT05408273

    Vitamin D and Microvascular Function in Postmenopausal Women

    Rio de Janeiro State University 88 participants Est. completion 2021-12-17 1 site
    Cardiovascular disease Other conditions: Menopause Related Conditions, Vitamin D Deficiency
    View official trial listing →
  • Status unknown NCT NCT05415254

    Calcitriol Supplementation in COVID-19 Patients

    Not yet reported RenJi Hospital 86 participants Est. completion 2022-09-19 1 site
    Other conditions: COVID-19, Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT05424588

    Physical and Cellular Effects of Ultra-cycling

    Azienda Ospedaliera Universitaria Integrata Verona 8 participants Est. completion 2021-12-31 1 site
    Other conditions: Endurance Training
    View official trial listing →
  • Completed NCT NCT05446506

    Serum Levels of Otolin-1 and Vitamin D in Pre- and Post-treatments of BPPV

    Chiang Mai University 21 participants Est. completion 2023-02-28 1 site
    Other conditions: Benign Paroxysmal Positional Vertigo
    View official trial listing →
  • Status unknown NCT NCT05450419

    The Role of Vitamin D3 Supplementation in Advanced Cancer Patients With Pain

    Not yet reported Chang Gung Memorial Hospital 80 participants Est. completion 2025-06-30 1 site
    Other conditions: Vitamin D3, Advanced Cancer, Pain Cancer
    View official trial listing →
  • Status unknown NCT NCT05495958

    The Efficacy and Safety of Topical Vitamin D Drop on Meibomian Gland Function in Patients With Meibomian Gland Dysfunction

    Not yet reported, Not yet reported Shahid Beheshti University of Medical Sciences 56 participants Est. completion 2022-12-30 1 site
    Other conditions: Meibomian Gland Dysfunction
    View official trial listing →
  • Completed NCT NCT05502068

    The Effects of a Sublingual Sprayable Microemulsion of Vitamin D on Inflammatory Markers in COVID-19 Patients

    Not yet reported Pauls Stradins Clinical University Hospital 102 participants Est. completion 2021-06-09 1 site Stand-alone
    Other conditions: COVID-19, Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT05533658

    The Effects of VisionPure™ on Indices of Vision Health and Cognitive Function

    Not yet reported Applied Science & Performance Institute 15 participants Est. completion 2023-02-03 3 sites Stand-alone
    Other conditions: Eye Health, Vision, Cognitive Function
    View official trial listing →
  • Completed NCT NCT05559112

    Effects of Vitamin D-Enriched Mushrooms on Vitamin D Status and Immune Function and Inflammatory Status in Adults

    Not yet reported Purdue University 36 participants Est. completion 2024-04-30 1 site
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT05573672

    Dietary Counselling Plus Omega-3 Supplementation in the Treatment of Generalized Anxiety Disorder

    Not yet reported The Canadian College of Naturopathic Medicine 50 participants Est. completion 2023-11-30 1 site
    Other conditions: Generalized Anxiety Disorder
    View official trial listing →
  • Status unknown NCT NCT05575414

    Diet Versus Control Pregnant Barbadian Women Gestational Weight Gain Trial

    Not yet reported The University of The West Indies 172 participants Est. completion 2023-06
    Other conditions: Obesity, Gestational Weight Gain, Obesity, Maternal
    View official trial listing →
  • Status unknown NCT NCT05595044

    Effect of Vitamin D Therapy in Autism Spectrum Disorder

    Not yet reported Mansoura University 80 participants Est. completion 2023-12-01 1 site
    Other conditions: Effect of Drug
    View official trial listing →
  • Status unknown NCT NCT05615077

    Multidisciplinary Combined Exercise and Education Intervention for Falls in Older Adults

    Not yet reported Seoul National University Hospital 484 participants Est. completion 2026-05-31 1 site
    Other conditions: Falls Prevention
    View official trial listing →
  • Status unknown NCT NCT05657678

    Vitamin D3 Supplementation in Critically Ill Patients Undergoing CRRT

    Not yet reported Uniwersytecki Szpital Kliniczny w Opolu 138 participants Est. completion 2026-05-01 4 sites Stand-alone
    Other conditions: Vitamin D3 Deficiency
    View official trial listing →
  • Completed NCT NCT05682261

    The Effect of Multiple Micronutrient Supplements in Reducing Anemia in Women of Reproductive Age

    Not yet reported Ethiopian Public Health Institute 265 participants Est. completion 2023-10-17 1 site Stand-alone
    Other conditions: Anemia
    View official trial listing →
  • Completed NCT NCT05706259

    A Comparative Dissolution and Absorption Study of an Orodispersible Powder, Chewable Tablet and Soft Gel Capsule Vitamin D3 Supplementation

    Not yet reported Liaquat University of Medical & Health Sciences 40 participants Est. completion 2023-04-30 1 site Stand-alone
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Status unknown NCT NCT05733117

    Oral Nano Vitamin D Supplementation Efficacy in Inflammatory Bowel Disease

    Not yet reported Tomas Bata Hospital, Czech Republic 120 participants Est. completion 2024-01-01 2 sites
    Other conditions: Vitamin D Substitution
    View official trial listing →
  • Completed NCT NCT05753280

    Effect of Serum Vitamin D Level on the Efficacy of Peg-interferon Treatment in CHB

    Not yet reported Third Affiliated Hospital, Sun Yat-Sen University 90 participants Est. completion 2022-06-30 1 site Stand-alone
    Other conditions: Chronic Hepatitis b
    View official trial listing →
  • Completed NCT NCT05758363

    Effect of a Dietary Supplement on Weight Loss and Psychological Wellbeing in Overweight Individuals

    Not yet reported Universidad Católica San Antonio de Murcia 60 participants Est. completion 2023-11-30 1 site
    Other conditions: Overweight
    View official trial listing →
  • Status unknown NCT NCT05759455

    Assessment of Vitamin D Level in Children With Autism in Assiut University Children Hospital

    Assiut University 50 participants Est. completion 2023-12
    Other conditions: Assessment of Vitamin D Level in Children With Autism in Assiut University Children Hospital
    View official trial listing →
  • Completed NCT NCT05765617

    Effect Of Calcitriol On Neutrophil To Lymphocytes Ratio And High Sensitivity C-Reactive Protein Covid-19 Patients

    Not yet reported Universitas Sebelas Maret 16 participants Est. completion 2021-09-30 1 site
    Other conditions: COVID-19
    View official trial listing →
  • Completed NCT NCT05811689

    Trabecular Bone Score in Multiple Sclerosis

    IRCCS Centro Neurolesi Bonino Pulejo 300 participants Est. completion 2023-02-15 1 site
    Other conditions: Multiple Sclerosis, Endocrine System Diseases, Neurologic Disorder
    View official trial listing →
  • Completed NCT NCT05848349

    Vitamin D Status Among Infertile Women in Sweden

    Vastra Gotaland Region 265 participants Est. completion 2021-08-30 1 site
    Other conditions: Infertility, Female, Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT05851313

    Role of Vit-D Supplementation on BioNTech, Pfizer Vaccine Side Effect and Immunoglobulin G Response

    Not yet reported Sulaimani Polytechnic University 500 participants Est. completion 2023-04-07 1 site
    Other conditions: COVID-19 Respiratory Infection
    View official trial listing →
  • Status unknown NCT NCT05879237

    Role of Vitamin D Supplementation as an Adjuvant Therapy inTreatment of Helicobacter Pylori in Children

    Not yet reported Minia University 200 participants Est. completion 2023-12-10
    Other conditions: Helicobacter Pylori Infection
    View official trial listing →
  • Completed NCT NCT05880030

    The Effect of Supplementation of Vitamin D3 on Inflammation Induced by 100 km Running, Iron Metabolism and Erythropoiesis

    Not yet reported Gdansk University of Physical Education and Sport 40 participants Est. completion 2022-12-31
    Other conditions: Inflammation; Muscle, Iron Metabolism, Ineffective Erythropoiesis, Healthy
    View official trial listing →
  • Completed NCT NCT05884372

    Efficacy and Safety of Combination Denosumab With Eldecalcitol for Postmenopausal Women With Osteoporosis.(ESCORT)

    Not yet reported Xi'an Honghui Hospital 100 participants Est. completion 2025-07-16 1 site
    Other conditions: Osteoporosis in Postmenopausal Women
    View official trial listing →
  • Active, not recruiting NCT NCT05898217

    Vitamin and Mineral Absorption From Milk and PBMAs

    Not yet reported Clinical Nutrition Research Center, Illinois Institute of Technology 60 participants Est. completion 2026-12-30 1 site
    Other conditions: Nutrition, Healthy
    View official trial listing →
  • Completed NCT NCT05911022

    Probiotic and Colchicine in COVID-19

    Not yet reported Ain Shams University 150 participants Est. completion 2022-08-30 1 site
    Other conditions: COVID-19
    View official trial listing →
  • Completed NCT NCT05922696

    Cholecalciferol Supplementation in Hemodialysis Patients

    Not yet reported, Not yet reported Ain Shams University 50 participants Est. completion 2023-01-26 1 site
    Other conditions: Anemia, Hemodialysis Complication, Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT05927623

    Multifaceted Intervention Using Telehealth to Reduce the Risk of Falls and Fractures in Older Men

    Not yet reported McGill University Health Centre/Research Institute of the McGill University Health Centre 45 participants Est. completion 2026-03-31 5 sites
    Other conditions: Osteoporosis, Osteoporotic Fractures, Osteoporosis, Age-Related, Muscle Loss, Men, Aging
    View official trial listing →
  • Completed NCT NCT05931705

    Vit D Receptor Gene Polymorphism

    Ajman University 376 participants Est. completion 2023-03-15 1 site
    Other conditions: Vitamin D Status
    View official trial listing →
  • Status unknown NCT NCT05950204

    Effect of Supplementation With ω-3 Fatty Acids, Vitamin D and Calcium in Patients With Acute Lymphoblastic Leukemia.

    Not yet reported Coordinación de Investigación en Salud, Mexico 40 participants Est. completion 2024-12-31 1 site
    Other conditions: Acute Lymphoblastic Leukemia, Vitamin d Deficiency
    View official trial listing →
  • Completed NCT NCT05968209

    The Impact of Probiotic Supplementation on General Well Being

    Not yet reported Cwm Taf University Health Board (NHS) 173 participants Est. completion 2025-04-15 1 site
    Other conditions: Well-Being, Psychological
    View official trial listing →
  • Completed NCT NCT06010121

    Comparison of Bioavailability of Liposomal and Traditional Formulation of Vitamin D3

    Not yet reported AronPharma Sp. z o. o. 27 participants Est. completion 2023-06-06 1 site Stand-alone
    Other conditions: Bioavailability of Vitamin D
    View official trial listing →
  • Status unknown NCT NCT06022237

    Efficacy and Safety of Oral Ibandronate in Patients of Liver Cirrhosis With Hepatic Osteodystrophy.

    Not yet reported Institute of Liver and Biliary Sciences, India 80 participants Est. completion 2024-08-30 1 site Stand-alone
    Other conditions: Hepatic Osteodystrophy, Liver Cirrhosis
    View official trial listing →
  • Status unknown NCT NCT06034795

    Evaluation of Bone Metabolism in Children and Adolescents With Familial Mediterranean Fever

    Aristotle University Of Thessaloniki 62 participants Est. completion 2025-01 1 site
    Other conditions: Familial Mediterranean Fever
    View official trial listing →
  • Status unknown NCT NCT06035315

    The 1000 First Day of Life : Effect of Multi Micronutrients Supplementation on Pregnancy Outcomes

    Not yet reported Dr Cipto Mangunkusumo General Hospital 240 participants Est. completion 2024-08-31 2 sites
    Other conditions: Maternal Care Patterns, Nutrition, Healthy, Nutritional Deficiency, Maternal-Fetal Relations, Perinatal Outcome, Maternal Outcome
    View official trial listing →
  • Terminated NCT NCT06046820

    The ENERGY 3 Study: Evaluation of Efficacy and Safety of INZ-701 in Children With ENPP1 Deficiency

    Not yet reported Inozyme Pharma 27 participants Est. completion 2026-08-19 11 sites
    Other conditions: Ectonucleotide Pyrophosphatase/Phosphodiesterase1 Deficiency, Autosomal Recessive Hypophosphatemic Rickets, Generalized Arterial Calcification of Infancy
    View official trial listing →
  • Status unknown NCT NCT06067477

    Estimation of the Dietary Requirement for Vitamin D in Ethnic Groups

    Not yet reported University of Surrey 114 participants Est. completion 2025-09 1 site
    Other conditions: Vitamin D Deficiency, Immune Health, Muscle Function
    View official trial listing →
  • Status unknown NCT NCT06073925

    Use of Vitamin D as An Adjuvant Treatment in Children With Chronic Idiopathic Thrombocytopenic Purpura

    Not yet reported Mansoura University 30 participants Est. completion 2024-10
    Other conditions: Immune Thrombocytopenia
    View official trial listing →
  • Completed NCT NCT06077708

    Diabetes Mellitus and Periodontitis and Vitamin D Supplementation

    Not yet reported Kırıkkale University 38 participants Est. completion 2023-02-28 1 site
    Type 2 diabetes
    View official trial listing →
  • Completed NCT NCT06078163

    Combined Rehabilitation With ALA, ALC, Resveratrol and Vitamin D in Discogenic Sciatica in Young People

    Not yet reported University of Palermo 130 participants Est. completion 2023-08-22 1 site
    Other conditions: Sciatic Radiculopathy
    View official trial listing →
  • Completed NCT NCT06096194

    Vitamin D3-enhanced Eggs in Preschool Children

    Not yet reported Instituto Nacional de Salud Publica, Mexico 275 participants Est. completion 2019-12-21 1 site Stand-alone
    Other conditions: Vitamin D Deficiency, 25-Hydroxyvitamin D3 Deficiency, Selective
    View official trial listing →
  • Completed NCT NCT06098846

    Human Transdermal Vitamin D Supplement Study

    Not yet reported King's College London 108 participants Est. completion 2024-09-10 1 site
    Other conditions: Vitamin D Supplementation
    View official trial listing →
  • Completed NCT NCT06101147

    Effect of Vitamin D Supplementation on Testosterone Level in Women With Polycystic Ovary Syndrome

    Not yet reported Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh 66 participants Est. completion 2024-07-30 1 site Stand-alone
    Other conditions: PCOS, Vitamin D
    View official trial listing →
  • Completed NCT NCT06111573

    Comparative Evaluation of the Effectiveness of Diclofenac Sodium Versus Vitamin D on Myofascial Pain

    Not yet reported Yuzuncu Yil University 40 participants Est. completion 2023-01-10 1 site
    Other conditions: Myofascial Pain Dysfunction Syndrome,Temporomandibular Joint
    View official trial listing →
  • Completed NCT NCT06135831

    Effect of Consumption of Supplements and Enriched Olive Paste on Bone Metabolism Indices

    Not yet reported University of the Aegean 115 participants Est. completion 2021-06-30 1 site Stand-alone
    Other conditions: Osteopenia or Osteoporosis
    View official trial listing →
  • Completed NCT NCT06141330

    Vitamin D Supplementation in Acne

    Not yet reported HITEC-Institute of Medical Sciences 58 participants Est. completion 2025-08-24 1 site
    Other conditions: Acne Vulgaris
    View official trial listing →
  • Completed NCT NCT06148545

    Effect of Iron and Vitamin D Supplementation to Iron Status in Iron Deficiency Anemia

    Not yet reported Nadirah Rasyid Ridha 57 participants Est. completion 2023-09-29 1 site
    Other conditions: Iron Deficiency, Anaemia in Children
    View official trial listing →
  • Completed NCT NCT06204796

    The Role of Vitamin D in Amelioration of Oral Lichen Planus and Its Effect on Salivary IFN-γ Level

    Not yet reported Fayoum University 40 participants Est. completion 2023-09-01 1 site
    Other conditions: Oral Lichen Planus, Vitamin D Deficiency
    View official trial listing →
  • Withdrawn NCT NCT06231069

    Mixed Exercise Training and Novel Multi-Nutrient Supplementation in Young Adults

    Not yet reported McMaster University Est. completion 2030-12-15 1 site
    Other conditions: Sarcopenia
    View official trial listing →
  • Completed NCT NCT06243042

    Vitamin D Serum Levels in Monosymptomatic Enuretic and Non Enuretic Children

    Ain Shams University 60 participants Est. completion 2020-09-24 1 site
    Other conditions: Nocturnal Enuresis
    View official trial listing →
  • Completed NCT NCT06263140

    Vitamin D Levels in Non-immediate Drug Hypersensitivity Case-control Study

    Chulalongkorn University 120 participants Est. completion 2022-02-01 1 site
    Other conditions: Stevens-Johnson Syndrome, Drug Reaction With Eosinophilia and Systemic Symptom, Maculopapular Exanthem, Vitamin D Deficiency, Drug-Induced Rash
    View official trial listing →
  • Completed NCT NCT06274203

    High Dose Vitamin D Supplementation in Children With Sickle Cell Disease

    Not yet reported Zagazig University 75 participants Est. completion 2024-02-10 1 site Stand-alone
    Other conditions: Sickle Cell Disease, Vitamin D Deficiency, Health Related Quality of Life, Hand Grip Strength, Bone Mineral Density
    View official trial listing →
  • Completed NCT NCT06274216

    The Effect of Vitamin D Supplementation on Dental Implant Osseointegration: A Randomized Controlled Trial

    Not yet reported Ziauddin University 100 participants Est. completion 2022-04-01 1 site Stand-alone
    Other conditions: Osseointegration Failure of Dental Implant
    View official trial listing →
  • Completed NCT NCT06276205

    Vitamin D & Levothyroxine Combination Versus Levothyroxine on Lipid Profile in Hypothyroidism

    Not yet reported King Edward Medical University 62 participants Est. completion 2025-01-01 1 site
    Other conditions: Hypothyroidism Primary, Lipid Disorder, Dyslipidemias
    View official trial listing →
  • Completed NCT NCT06282640

    Comparıson Of Electromyography Results Before And After Vıtamın D Treatment In Patıents Wıth Carpal Tunnel Syndrome

    Not yet reported Dr. Ayşe Güç 87 participants Est. completion 2022-08-30 1 site
    Other conditions: Carpal Tunnel Syndrome, Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT06287502

    Efficacy of Structured Exercise-Nutritional Intervention on Sarcopenia in Patients With Osteoporosis

    Not yet reported Kowloon Hospital, Hong Kong 13 participants Est. completion 2024-06-30 1 site
    Other conditions: Sarcopenia, Osteoporosis
    View official trial listing →
  • Active, not recruiting NCT NCT06292195

    Effects of Vitamin D on Health Promotion During Pregnancy and Its Impact on Prematurity-Related Outcome

    University of Évora 2000 participants Est. completion 2027-06-30 3 sites
    Other conditions: Vitamin D Deficiency, Pregnancy
    View official trial listing →
  • Completed NCT NCT06301178

    Effect of Vitamin D Injection on Hypertrophic Scars and Keloids

    Not yet reported, Not yet reported Mostafa Bahaa 35 participants Est. completion 2025-02-20 1 site
    Other conditions: Dermatologic Disease
    View official trial listing →
  • Not yet recruiting NCT NCT06328426

    Vitamin D With Omega-3 or Metformin in Osteoarthritis

    Not yet reported Assiut University 60 participants Est. completion 2026-12
    Osteoarthritis
    View official trial listing →
  • Status unknown NCT NCT06338059

    Relationship Between Vitamin D and Vitamin B12 Levels and Neuropathic Pain in Lipedema

    Fatih Sultan Mehmet Training and Research Hospital 200 participants Est. completion 2024-06-01 1 site
    Other conditions: Vitamin D Deficiency, B12 Deficiency Vitamin, Lipedema
    View official trial listing →
  • Completed NCT NCT06343610

    The Effect of 8-week Dietary Intake of Novel Food Supplement on Minimal Erythema Dose

    Not yet reported VIST - Faculty of Applied Sciences 54 participants Est. completion 2024-09-10 1 site
    Other conditions: Minimal Erythema Dose
    View official trial listing →
  • Status unknown NCT NCT06443593

    Effect of Micronutrient Supplementation on Nerve Conduction Velocity in T1D- RCT

    Not yet reported Hirabai Cowasji Jehangir Medical Research Institute 120 participants Est. completion 2025-02-08 1 site
    Other conditions: Type 1 Diabetes
    View official trial listing →
  • Completed NCT NCT06639698

    Treatment of Women With PCOS of Phenotype D

    Not yet reported Lo.Li.Pharma s.r.l 24 participants Est. completion 2025-06-30 1 site
    Other conditions: PCOS (Polycystic Ovary Syndrome)
    View official trial listing →
  • Completed NCT NCT06736093

    Effect of Preoperative Vitamin D Supplementation in Liver Transplant Recipients With Vitamin D Deficiency on Post Transplant Outcomes

    Not yet reported Institute of Liver and Biliary Sciences, India 140 participants Est. completion 2026-07-13 1 site
    Other conditions: Post Liver Transplant Infection
    View official trial listing →
  • Completed NCT NCT06751810

    Nutritional Status in Children With Food Allergy: Evaluation of a New Supplement

    Not yet reported Federico II University 30 participants Est. completion 2025-10-31 1 site Stand-alone
    Other conditions: Food Allergies
    View official trial listing →
  • Not yet recruiting NCT NCT06885944

    Probiotics for Preterm Infants

    Ankara City Hospital Bilkent 100 participants Est. completion 2025-11-30
    Other conditions: Preterm Infant Feeding Outcomes, Probiotic
    View official trial listing →
  • Not yet recruiting NCT NCT06901102

    Effect of Bee Venom on Chronic Kidney Disease-Mineral Bone Disorders in Hemodialysis Patients: a Randomized Controlled Trial

    Not yet reported, Not yet reported Mansoura University 60 participants Est. completion 2025-10-20 1 site
    Chronic kidney disease Other conditions: Bee Venom, Hemodialysis
    View official trial listing →
  • Completed NCT NCT06911073

    A Study to Evaluate a Postbiotic in Supporting Weight Loss and Metabolic Health

    Not yet reported ResBiotic Nutrition, Inc. 80 participants Est. completion 2026-03-01 1 site Stand-alone
    Other conditions: Obesity and Overweight
    View official trial listing →
  • Completed NCT NCT06911905

    Efficacy of Nutritional Supplements on Children With Autism Spectrum Disorder

    Not yet reported Fei Li 88 participants Est. completion 2026-03-24 1 site Stand-alone
    Other conditions: Autism Spectrum Disorder
    View official trial listing →
  • Completed NCT NCT06983379

    Oxidative Stress and Vitamin D Levels in Autism Spectrum Disorders

    Mardin Artuklu University 68 participants Est. completion 2023-01-30 1 site
    Other conditions: Autism Spectrum Disorders
    View official trial listing →
  • Not yet recruiting NCT NCT07017920

    Vitamin D and Hypertensive Disorders of Pregnancy

    Not yet reported TriHealth Inc. 594 participants Est. completion 2027-12-31
    Other conditions: Hypertensive Disorders of Pregnancy
    View official trial listing →
  • Completed NCT NCT07043361

    Efficacy of Semaglutide in Glycemic Control, Weight Loss, and Improving Lipidogram- Role of Baseline Vitamin D Levels

    Hillel Yaffe Medical Center 5300 participants Est. completion 2025-04-30 1 site
    Other conditions: Metabolic Disease
    View official trial listing →
  • Not yet recruiting NCT NCT07111767

    Effectiveness of a Modified Cost-Effective Dietary Plan in Promoting Weight Loss and Preservation of Lean Body Mass in Patients After Bariatric Surgery

    Not yet reported Khyber Teaching Hospital 122 participants Est. completion 2026-06 1 site
    Other conditions: Obesity, Bariatric Surgery, Nutritional Status, Body Composition
    View official trial listing →
  • Not yet recruiting NCT NCT07157137

    Assessment of the Adherence to a Gluten-free Diet and Nutritional Status of Paediatric Patients With Coeliac Disease

    Medical University of Warsaw 140 participants Est. completion 2027-08
    Other conditions: Celiac Disease in Children, Gluten-free Diet
    View official trial listing →
  • Completed NCT NCT07275177

    Effect of Vitamin D on Body Composition and Functionality of Older Adults

    Not yet reported Universidad Autónoma Benito Juárez de Oaxaca 29 participants Est. completion 2024-11-09 1 site Stand-alone
    Other conditions: Obesity (Disorder), Obesity, Sarcopenia, Sarcopenia in Elderly, Sarcopenic Obesity, Vitamin D Deficiency, Vitamin D 25-Hydroxylase Deficiency, Muscle Strengh, Muscle Mass, Aging, Older Adults (65 Years and Older), Functional Decline, Age-Related Loss of Skeletal Muscle Mass, Muscle Weakness
    View official trial listing →
  • Completed NCT NCT07308288

    Immune Nutrition in Pediatric Respiratory Allergy

    Not yet reported Federico II University 40 participants Est. completion 2025-12-31 1 site Stand-alone
    Other conditions: Asthma Acute, Allergic Rhinitis
    View official trial listing →
  • Active, not recruiting NCT NCT07341308

    Does Vitamin C Increase the Body Heat Generated By The Nervous System?

    Not yet reported Colorado State University 20 participants Est. completion 2026-12-08 1 site
    Other conditions: Metabolism Changes, Vitamin D
    View official trial listing →
  • Enrolling by invitation NCT NCT07381998

    Effects of Total Thyroid Removal on Parathyroid Function and Quality of Life

    Not yet reported Aarhus University Hospital 150 participants Est. completion 2028-12 1 site
    Other conditions: Hypoparathyroidism Post-surgical, Quality of Life
    View official trial listing →
  • Completed NCT NCT07409623

    Vitamin D Status in Hemodialysis Transplant Candidates and Living Donors

    Shahid Beheshti University of Medical Sciences 552 participants Est. completion 2026-02-01 1 site
    Other conditions: Vitamin D Deficiency
    View official trial listing →
  • Active, not recruiting NCT NCT07579637

    Effect of Vitamin D on Postoperative Pain in Symptomatic Irreversible Pulpitis

    Not yet reported Future University in Egypt 54 participants Est. completion 2026-08 1 site
    Other conditions: Pulpitis - Irreversible, Vitamin D Deficiency
    View official trial listing →
  • Completed NCT NCT07653737

    Immunonutrition for Prehabilitation of Patients With Colorectal Cancer Before Surgery

    Not yet reported Fundacion para la Investigacion Biomedica del Hospital Universitario Ramon y Cajal 56 participants Est. completion 2026-03-31 1 site
    Other conditions: Colorectal Cancer, Nutrition Aspect of Cancer
    View official trial listing →
  • Completed NCT NCT07656233

    Effect of Isoflavone and Vitamin D Supplementation on Serum Vitamin D Levels, Body Composition, Inflammatory Markers, and Quality of Life in Patients With Inflammatory Bowel Disease

    Not yet reported Universitas Indonesia 50 participants Est. completion 2026-02-25 1 site Stand-alone
    Other conditions: Ulcerative Colitis (UC), Crohn Disease (CD)
    View official trial listing →
  • Completed NCT NCT07673497

    Can Vitamin D Replacement Correct Chronic Disease Anemia?

    Not yet reported Gazi University 43 participants Est. completion 2023-05-30 1 site Stand-alone
    Other conditions: Vitamin D, Iron Deficiency and Overload, Inflammatory Bowel Disease (Crohn's Disease; Ulcerative Colitis)
    View official trial listing →
  • Not yet recruiting NCT NCT07780006

    Efficacy of Oral Nutritional Supplement in Femoral Neck Fracture Patients Undergoing Hip Arthroplasty

    Not yet reported Thammasat University 60 participants Est. completion 2027-12 1 site
    Other conditions: Femoral Neck Fractures, Geriatric Hip Fracture, Hip Fracture, Post Surgery Recovery, Muscle Resilience
    View official trial listing →
  • Completed NCT NCT07828340

    Functional Evaluation of Shelf-Stable Dairy Products for the Promotion of Muscle Mass, Strength, and Physical Performance in Human Subjects.

    Not yet reported National Taiwan Sport University 40 participants Est. completion 2026-07-29 1 site
    Other conditions: Healthy Volunteers
    View official trial listing →
Efficacy history

Not yet reported.

Safety

Not yet reported.

Sources

Also known as: Cholecalciferol, PNV-DHA, Folcyteine, Menatrol, Folartex, Norixa Mini, Vitamin D3

Related On The Pen coverage

No related coverage yet.

This drug may be investigational and not yet approved for any use. Whether someone can join a clinical trial is determined only by that trial's own study team — On The Pen does not determine eligibility. Information here can change; always confirm current details on the official ClinicalTrials.gov listing or with the sponsor.