GLP-1 Market
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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

Phentermine

Company
Russell McCulloh, MD
Mechanism
Mechanism not yet reported
Route
Route not yet reported
Recruiting trials
8 recruiting

Efficacy results: Not yet reported

Find a Clinical Trial Near Me

8 recruiting studies currently listed on ClinicalTrials.gov.

Data source: ClinicalTrials.gov · trial data as of Oct 8, 2026

Find a Clinical Trial Near Me

See recruiting studies for Phentermine 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 NCT04721873

    Pharmacologic Weight Loss as Adjunct Therapy for Ulcerative Colitis in Obese Patients

    Not yet reported University of California, San Diego 40 participants Est. completion 2024-06-30 1 site Stand-alone
    Other conditions: Colitis, Ulcerative, Obesity
    View official trial listing →
  • Recruiting NCT NCT05590624

    Metabolic Impact of Prospective Controlled Mediterranean Type Diets on Prostate Cancer

    Not yet reported Case Comprehensive Cancer Center 30 participants Est. completion 2026-12 1 site
    Other conditions: Prostate Cancer
    View official trial listing →
  • Recruiting NCT NCT05925959

    Preoperative Weight Loss for Open Abdominal Wall Reconstruction

    Not yet reported Benjamin T. Miller 258 participants Est. completion 2027-06-01 2 sites
    Other conditions: Abdominal Wall Hernia
    View official trial listing →
  • Recruiting NCT NCT05975580

    Pharmacotherapy in Conjunction With Lifestyle Counseling for Management of Weight Regain After Bariatric Surgery

    Not yet reported University of California, Irvine 120 participants Est. completion 2028-01-31 1 site Stand-alone
    Other conditions: Obesity
    View official trial listing →
  • Recruiting NCT NCT06299891

    Efficacy and Safety of Phentermine/Topiramate in Youth With Hypothalamic Obesity

    Not yet reported Seattle Children's Hospital 24 participants Est. completion 2026-05-31 2 sites Stand-alone
    Other conditions: Hypothalamic Obesity, Hypothalamic Tumor, Craniopharyngioma
    View official trial listing →
  • Recruiting NCT NCT07058155

    Optimizing Portal Hypertension With TIPS and Interval Metabolic Surgery for Advanced Liver Disease

    Not yet reported The Cleveland Clinic 70 participants Est. completion 2034-02-01 1 site
    Other conditions: Liver Cirrhoses, Portal Hypertension Related to Cirrhosis, Severe Obesity, TIPS
    View official trial listing →
  • Recruiting NCT NCT07213466

    Individualized Pharmacological Approach to Obesity in Patients With Bipolar Disorder

    Not yet reported Mayo Clinic 100 participants Est. completion 2029-02-01 1 site Stand-alone
    Other conditions: Bipolar I Disorder, Bipolar II Disorder, Schizo Affective Disorder, Obesity, Weight Loss, GLP - 1
    View official trial listing →
  • Recruiting NCT NCT07282340

    Phentermine's Impact on Treatment in Teens

    Not yet reported Russell McCulloh, MD 240 participants Est. completion 2028-01 8 sites Stand-alone
    Other conditions: Childhood Obesity
    View official trial listing →
  • Completed NCT NCT00000506

    Cardiovascular System in Obesity: Effect of Treatment

    Not yet reported National Heart, Lung, and Blood Institute (NHLBI) Est. completion 1988-04
    Other conditions: Heart Diseases, Obesity, Vascular Diseases
    View official trial listing →
  • Completed NCT NCT00402077

    A Study to Examine the Safety, Tolerability, and Body Weight Effect of Pramlintide Alone and in Combination With Oral Antiobesity Agents in Overweight and Obese Subjects

    Not yet reported AstraZeneca 258 participants Est. completion 2007-08 16 sites Stand-alone
    Other conditions: Overweight, Obesity
    View official trial listing →
  • Completed NCT NCT00486291

    Study of VI-0521 Compared to Placebo in the Glycemic Management of Obese Diabetics

    Not yet reported VIVUS LLC 210 participants Est. completion 2008-04 9 sites Stand-alone
    Type 2 diabetes
    View official trial listing →
  • Completed NCT NCT00518466

    Pharmacokinetic Comparison of Multiple Formulations of Topiramate and Phentermine in Obese Adults

    Not yet reported VIVUS LLC 64 participants Est. completion 2007-12 1 site Stand-alone
    Other conditions: Obesity
    View official trial listing →
  • Completed NCT NCT00553787

    Study of VI-0521 Compared to Placebo in Treatment of Diabetes and Obesity in Adults With Obesity-Related Co-Morbid Conditions

    Not yet reported VIVUS LLC 2487 participants Est. completion 2009-06 6 sites Stand-alone
    Type 2 diabetes Other conditions: Obesity
    View official trial listing →
  • Completed NCT NCT00554216

    Study of VI-0521 Compared to Placebo in Treatment of Obesity in Adults

    Not yet reported VIVUS LLC 1267 participants Est. completion 2009-05 5 sites Stand-alone
    Other conditions: Obesity
    View official trial listing →
  • Completed NCT NCT00563368

    A Study Comparing Multiple Doses of VI-0521 With Placebo and Their Single-agent Constituents for Treatment of Obesity in Adults

    Not yet reported VIVUS LLC 756 participants Est. completion 2008-09 2 sites Stand-alone
    Other conditions: Obesity
    View official trial listing →
  • Completed NCT NCT00600067

    A VI-0521 Study to Evaluate the Long-term Safety and Efficacy in Type 2 Diabetic Adults

    Not yet reported VIVUS LLC 130 participants Est. completion 2008-11 9 sites Stand-alone
    Other conditions: Diabetes
    View official trial listing →
  • Terminated NCT NCT00737633

    Open-Label Study to Evaluate the Long-Term Safety and Efficacy of VI-0521 in Type 2 Diabetic Adults

    Not yet reported VIVUS LLC 101 participants Est. completion 2009-06 9 sites Stand-alone
    Other conditions: Diabetes
    View official trial listing →
  • Completed NCT NCT00745251

    A Study of VI-0521 for the Treatment of Obstructive Sleep Apnea / Hypopnea Syndrome in Obese Adults

    Not yet reported, Not yet reported VIVUS LLC 45 participants Est. completion 2009-12 1 site Stand-alone
    Other conditions: Sleep Apnea
    View official trial listing →
  • Completed NCT NCT00768209

    A Study to Evaluate the Pharmacokinetics of VI-0521 in Subjects With Hepatic Impairment

    Not yet reported VIVUS LLC 18 participants Est. completion 2009-07 2 sites Stand-alone
    Other conditions: Hepatic Impairment
    View official trial listing →
  • Completed NCT NCT00768404

    A Study to Evaluate the Pharmacokinetics of VI-0521 Subjects With Renal Impairment

    Not yet reported VIVUS LLC 32 participants Est. completion 2009-07 4 sites Stand-alone
    Other conditions: Renal Impairment
    View official trial listing →
  • Withdrawn NCT NCT00771654

    Phentermine/Gastric Band Weight Loss Study

    Not yet reported Wake Forest University Health Sciences Est. completion 2010-09 Stand-alone
    Other conditions: Obesity
    View official trial listing →
  • Completed NCT NCT00796367

    A Safety and Efficacy Study of VI-0521 to Evaluate the Long Term Treatment of Obesity in Adults With Obesity-Related Co-Morbid Conditions. An Extension Study of Protocol OB-303 (NCT00553787)

    Not yet reported VIVUS LLC 676 participants Est. completion 2010-07 Stand-alone
    Other conditions: Obesity
    View official trial listing →
  • Completed NCT NCT00806260

    A Study to Evaluate How VI-0521 Affect Psychomotor Performance in Healthy Overweight and Obese Subjects.

    Not yet reported VIVUS LLC 80 participants Est. completion 2009-05 1 site Stand-alone
    Other conditions: Overweight, Obesity
    View official trial listing →
  • Completed NCT NCT00842400

    A Drug Interaction Study of VI-0521 With Metformin, Sitagliptan and Probenecid in Healthy Subjects.

    Not yet reported VIVUS LLC 20 participants Est. completion 2009-04 1 site
    Other conditions: Obesity
    View official trial listing →
  • Status unknown NCT NCT01192529

    Evaluation of a Diet in Patients With Senile Dementia

    Not yet reported Vegenat, S.A. 184 participants Est. completion 2012-12 3 sites
    Other conditions: Alzheimer's Disease, Parkinson's Disease, Senile Dementia
    View official trial listing →
  • Completed NCT NCT01233726

    Effects of a Complete Diet in Critically Ill Patients With Stress Hyperglycemia

    Not yet reported Vegenat, S.A. 159 participants Est. completion 2015-02 2 sites
    Other conditions: Critical Illness, Hyperglycemia, Dietary Modification, Metabolic Stress Hyperglycemia, Mechanical Ventilation Complication
    View official trial listing →
  • Status unknown NCT NCT01247714

    Clinical Evaluation of a Specific Enteral Diet for Diabetics

    Not yet reported Vegenat, S.A. 43 participants Est. completion 2015-05 1 site
    Metabolic syndrome Other conditions: Hyperglycemia, Diabetics
    View official trial listing →
  • Status unknown NCT NCT01249963

    Enteral Nutrition Product in Mild Acute Pancreatitis

    Not yet reported Vegenat, S.A. 40 participants Est. completion 2013-03 1 site
    Other conditions: Acute Pancreatitis, Enteral Nutrition
    View official trial listing →
  • Completed NCT NCT01303289

    Clinical Evaluation of a Normoproteic Diet

    Not yet reported Vegenat, S.A. 60 participants Est. completion 2007-12 1 site
    Other conditions: Severe Insufficient Nutrition
    View official trial listing →
  • Completed NCT NCT01402674

    Long-term Phentermine Pharmacotherapy: An Investigation for Symptoms of Dependence, Cravings, or Withdrawal

    Not yet reported Center for Weight Management, California 269 participants Est. completion 2012-11 2 sites
    Other conditions: Obesity, Phentermine Withdrawal
    View official trial listing →
  • Withdrawn NCT NCT01500018

    Study in Healthy Recreational Polydrug Users to Measure the Abuse Potential of TC-5214

    Not yet reported AstraZeneca Est. completion 2012-04 Stand-alone
    Other conditions: Drug Abuse, Healthy
    View official trial listing →
  • Completed NCT NCT01616082

    Effect of Caloric Restriction on Fat Oxidation in Obese Men and Women (Magellan II)

    Not yet reported AdventHealth Translational Research Institute 39 participants Est. completion 2012-11 1 site
    Other conditions: Obesity, Overweight, Metabolic Diseases
    View official trial listing →
  • Completed NCT NCT01638663

    Effect of the Aquaretic Tolvaptan on Nitric Oxide System (TORA)

    Not yet reported Regional Hospital Holstebro 20 participants Est. completion 2014-03 1 site
    Cardiovascular disease Other conditions: Nephropathy
    View official trial listing →
  • Completed NCT NCT01719185

    The Effect of Phentermine and B12 on Weight Loss Among Obese Patients

    Not yet reported Dr. Michael Lang 22 participants Est. completion 2013-04 1 site Stand-alone
    Other conditions: Obesity, Hypertension
    View official trial listing →
  • Completed NCT NCT01834404

    Peripheral Pharmacodynamics of Phentermine-Topiramate in Obese Patients

    Not yet reported Mayo Clinic 24 participants Est. completion 2014-03 1 site Stand-alone
    Other conditions: Obesity
    View official trial listing →
  • Completed NCT NCT01886937

    Studying the Effects of Phentermine on Eating Behavior

    Not yet reported New York State Psychiatric Institute 13 participants Est. completion 2014-06 1 site Stand-alone
    Other conditions: Obesity
    View official trial listing →
  • Completed NCT NCT01922934

    A Toolbox Approach to Obesity Treatment in Primary Care

    Not yet reported Denver Health and Hospital Authority 4730 participants Est. completion 2016-08 1 site Stand-alone
    Other conditions: Obesity
    View official trial listing →
  • Completed NCT NCT01950520

    Study of Human Non-Shivering Thermogenesis and Basal Metabolic Rate

    Not yet reported National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) 47 participants Est. completion 2024-06-11 1 site Stand-alone
    Other conditions: Healthy Volunteers
    View official trial listing →
  • Withdrawn NCT NCT01970566

    Comparison of the Effect of Intense-Exercise/Moderate-Calorie, Topiramate-Phentermine and Cognitive Behavioral Therapy on Obesity

    Not yet reported US Department of Veterans Affairs Est. completion 2017-11 1 site
    Other conditions: Obesity, Diabetes Mellitus
    View official trial listing →
  • Completed NCT NCT01987427

    A Multicenter, Double-blind, Randomized, Parallel-group, Pilot Study of 12-week Duration to Assess the Short-term Safety and Tolerability of Lorcaserin Plus Two Doses of Immediate-Release Phentermine-HCl Compared With Lorcaserin Alone in Overweight and Obese Adults

    Not yet reported Eisai Inc. 344 participants Est. completion 2014-09-03 13 sites Stand-alone
    Other conditions: Chronic Weight Management
    View official trial listing →
  • Completed NCT NCT02229214

    Effect of VI-0521 (Qsymia®) on Glomerular Filtration Rate (GFR) in Overweight or Obese Healthy Subjects

    Not yet reported VIVUS LLC 51 participants Est. completion 2014-11 1 site Stand-alone
    Other conditions: Obesity
    View official trial listing →
  • Completed NCT NCT02239913

    Topiramate-Phentermine Combinations for Cocaine Dependence

    Not yet reported University of Kentucky 38 participants Est. completion 2019-09 1 site Stand-alone
    Other conditions: Cocaine Use Disorder
    View official trial listing →
  • Completed NCT NCT02243202

    Effects of Co-administration of Canagliflozin 300 mg and Phentermine 15 mg With Placebo in the Treatment of Non-Diabetic Overweight and Obese Participants

    Not yet reported Janssen Research & Development, LLC 335 participants Est. completion 2015-06 17 sites Stand-alone
    Other conditions: Obesity
    View official trial listing →
  • Completed NCT NCT02301416

    Qsymia as an Adjunct to Surgical Therapy in the Superobese

    Not yet reported Wake Forest University Health Sciences 25 participants Est. completion 2018-06-27 1 site Stand-alone
    Other conditions: Obesity, Metabolic Surgery, Weight Loss, Bariatric Surgery Procedures
    View official trial listing →
  • Completed NCT NCT02553824

    FDA Approved Medication to Reduce Binge Eating and/or Purging

    Not yet reported Stanford University 22 participants Est. completion 2017-04-15 1 site Stand-alone
    Obstructive sleep apnea Other conditions: Binge Eating Disorder
    View official trial listing →
  • Completed NCT NCT02609477

    A Study to Evaluate Abuse Potential of Istradefylline

    Not yet reported Kyowa Kirin Co., Ltd. 42 participants Est. completion 2016-07 1 site
    Other conditions: Drug Abuse
    View official trial listing →
  • Completed NCT NCT02635386

    EQW, DAPA, EQW/DAPA, DAPA/MET ER and PHEN/TPM ER in Obese Women With PolycysticOvary Syndrome (PCOS)

    Not yet reported Woman's 119 participants Est. completion 2020-10-09 1 site
    Other conditions: Polycystic Ovary Syndrome, Obesity
    View official trial listing →
  • Completed NCT NCT02659475

    Phentermine/Topiramate Extended Release in Binge Eating Disorder (BED)

    Not yet reported Lindner Center of HOPE 10 participants Est. completion 2016-09 1 site
    Other conditions: Binge Eating Disorder
    View official trial listing →
  • Completed NCT NCT02714062

    A Pharmacokinetic Study Comparing VI-0521 With Placebo in Obese Adolescents

    Not yet reported VIVUS LLC 42 participants Est. completion 2016-11 4 sites Stand-alone
    Other conditions: Pediatric Obesity, Childhood Obesity
    View official trial listing →
  • Completed NCT NCT02911818

    Lifestyle Modification and Liraglutide

    Not yet reported University of Pennsylvania 150 participants Est. completion 2018-12 1 site
    Other conditions: Obesity
    View official trial listing →
  • Completed NCT NCT03152123

    Determination the Abuse Potential of Pitolisant in Healthy, Non-Dependent Recreational Stimulant Users

    Not yet reported Bioprojet 43 participants Est. completion 2017-10-23 1 site
    Other conditions: Healthy, Drug Abuse
    View official trial listing →
  • Completed NCT NCT03374956

    Individualized Obesity Pharmacotherapy

    Not yet reported Mayo Clinic 193 participants Est. completion 2022-05-26 1 site Added to GLP-1
    Other conditions: Obesity
    View official trial listing →
  • Completed NCT NCT03675191

    Orlistat/Phentermine Versus Placebo/Phentermine

    Not yet reported Gangnam Severance Hospital 114 participants Est. completion 2019-08-12 1 site Stand-alone
    Other conditions: Obesity, Overweight
    View official trial listing →
  • Completed NCT NCT03779048

    Use of Medication to Improve Weight Loss in Suboptimal Early Responders to Behavioral Treatment

    Not yet reported University of Pennsylvania 147 participants Est. completion 2022-05-25 1 site
    Other conditions: Obesity
    View official trial listing →
  • Completed NCT NCT03799198

    Real World Effectiveness of Combining an Employer-based Weight Management Program With Medication for Chronic Weight Management in Employees With Obesity

    Not yet reported Novo Nordisk A/S 200 participants Est. completion 2020-05-22 1 site Stand-alone
    Other conditions: Obesity
    View official trial listing →
  • Completed NCT NCT03849729

    Effectiveness and Tolerability of Phentermine in Patients Under Bariatric Surgery

    Not yet reported Hospital Juarez de Mexico 92 participants Est. completion 2020-04-01 1 site
    Other conditions: Obesity, Morbid Obesity, Bariatric Surgery, Non-alcoholic Fatty Liver, Weight Loss
    View official trial listing →
  • Completed NCT NCT03922945

    A Phase IV Safety and Efficacy Study of VI-0521 in Adolescents With Obesity

    Not yet reported VIVUS LLC 223 participants Est. completion 2021-04-16 1 site Stand-alone
    Other conditions: Adolescent Obesity, Obesity in Adolescence, Adolescent Overweight
    View official trial listing →
  • Completed NCT NCT04007393

    SMART Use of Medication for the Treatment of Adolescent Severe Obesity

    Not yet reported University of Minnesota 150 participants Est. completion 2025-03-11 1 site
    Other conditions: Adolescent Obesity
    View official trial listing →
  • Completed NCT NCT04095104

    Adjunct Phentermine + Topiramate After Bariatric Surgery in 12-24 Year Olds

    Not yet reported University of Colorado, Denver 13 participants Est. completion 2022-01-25 1 site Stand-alone
    Other conditions: Obesity, Morbid, Bariatric Surgery, Adolescent, Young Adult, Drug Therapy
    View official trial listing →
  • Completed NCT NCT04298203

    Role of Pharmacotherapy in Counteracting Weight Regain in Adolescents With Severe Obesity

    Not yet reported University of Minnesota 100 participants Est. completion 2026-05-22 1 site
    Other conditions: Obesity
    View official trial listing →
  • Completed NCT NCT04408586

    Anti-Obesity Phentermine-Topiramate Extended Release Pharmacotherapy vs Placebo Among Patients Using a Wearable Activity Tracker

    Not yet reported Mayo Clinic 80 participants Est. completion 2022-10-11 1 site
    Other conditions: Obesity
    View official trial listing →
  • Terminated NCT NCT04531176

    EMI-EHP Weight Management and Type 2 Diabetes Pragmatic Trial

    Not yet reported The Cleveland Clinic 74 participants Est. completion 2023-08-04 1 site Added to GLP-1
    Type 2 diabetes Other conditions: Obesity
    View official trial listing →
  • Withdrawn NCT NCT04572217

    Medications After Adolescent Bariatric Surgery

    Not yet reported Janey Pratt Est. completion 2022-06-01 1 site Stand-alone
    Other conditions: Pediatric Obesity
    View official trial listing →
  • Completed NCT NCT04614545

    Comparing a Virtual vs. Face to Face Weight Management Program Using Phentermine for Patients With Overweight or Obesity

    Not yet reported The Cleveland Clinic 70 participants Est. completion 2022-09-29 1 site Stand-alone
    Other conditions: Obesity
    View official trial listing →
  • Completed NCT NCT04621929

    Phentermine/Topiramate for Uric Acid Stones

    Not yet reported University of Florida 19 participants Est. completion 2024-11-14 1 site Stand-alone
    Type 2 diabetesPrediabetes Other conditions: Obesity, Uric Acid Stones
    View official trial listing →
  • Withdrawn NCT NCT04678323

    Pharmacotherapy for Pediatric Obesity: A Phentermine Clinical Trial

    Not yet reported University of Minnesota Est. completion 2028-06
    Other conditions: Obesity, Childhood
    View official trial listing →
  • Active, not recruiting NCT NCT04881799

    Phentermine/Topiramate in Adolescents With Type 2 Diabetes and Obesity

    Not yet reported University of Minnesota 13 participants Est. completion 2026-10-27 1 site Stand-alone
    Other conditions: Pediatric Obesity
    View official trial listing →
  • Active, not recruiting NCT NCT05176626

    Long-term Effectiveness of the Antiobesity Medication Phentermine

    Not yet reported Wake Forest University Health Sciences 870 participants Est. completion 2026-12-31 4 sites Stand-alone
    Other conditions: Obesity, Obesity; Drug, Lifestyle, Healthy
    View official trial listing →
  • Completed NCT NCT05215418

    A Study of VI-0521 on Ambulatory Blood Pressure (ABPM) in Overweight or Obese Subjects

    Not yet reported VIVUS LLC 565 participants Est. completion 2023-04-17 28 sites Stand-alone
    Other conditions: Blood Pressure
    View official trial listing →
  • Completed NCT NCT05378503

    Phase IV Study of Qsymia in Obese Patients

    Not yet reported Alvogen Korea 232 participants Est. completion 2023-10-30 8 sites
    Other conditions: Obesity
    View official trial listing →
  • Completed NCT NCT05395377

    Preventing Diabetes

    Not yet reported Geisinger Clinic 84 participants Est. completion 2021-11-16 1 site
    Prediabetes
    View official trial listing →
  • Enrolling by invitation NCT NCT05503927

    A Study to Evaluate the Safety of Exposure to Wegovy During Pregnancy

    Novo Nordisk A/S 2701 participants Est. completion 2027-08-15 2 sites
    Other conditions: Pregnancy, Obesity, Overweight
    View official trial listing →
  • Completed NCT NCT05579249

    A Research Study Comparing Wegovy to Other Weight Management Drugs in People Living With Obesity in America

    Not yet reported Novo Nordisk A/S 500 participants Est. completion 2024-11-27 1 site
    Other conditions: Obesity
    View official trial listing →
  • Completed NCT NCT05706727

    Comparative Analytical Study of Intravenous Bolus Dose of Mephentermine and Phenylephrine for Hemodynamic Stability During Elective Cesarean Section Under Spinal Anesthesia at KIST Medical College and Teaching Hospital

    Not yet reported KIST Medical and Teaching Hospital 42 participants Est. completion 2024-05-15 1 site
    Other conditions: Hemodynamic Stability
    View official trial listing →
  • Active, not recruiting NCT NCT05756764

    Anti-obesity Pharmacotherapy and Inflammation

    Louisiana State University Health Sciences Center in New Orleans 30 participants Est. completion 2026-02-20 2 sites
    Other conditions: Obesity
    View official trial listing →
  • Withdrawn NCT NCT05812183

    Gastric Sleeve-Induced Weight Loss on Shortness of Breath in Obesity

    Not yet reported University of California, Los Angeles Est. completion 2025-02-12 Stand-alone
    Other conditions: Dyspnea, Quality of Life
    View official trial listing →
  • Withdrawn NCT NCT05834062

    Phentermine/Topiramate as Preventive Pharmacotherapy for Obesity

    Not yet reported University of Minnesota Est. completion 2027-08 1 site
    Other conditions: Obesity, Adolescent
    View official trial listing →
  • Withdrawn NCT NCT06768320

    Treating Toddler Obesity by Treating the Parent/Caregiver Obesity With Weight Loss Medications

    Not yet reported Loma Linda University Est. completion 2027-11 2 sites
    Other conditions: Weight Loss, Obesity, Childhood, Obesity
    View official trial listing →
  • Active, not recruiting NCT NCT06854614

    Sequential Therapy Anti-obesitY Medication With Muscle Preservation for Weight Loss and MaintEnance: A PragmAtic Randomized CoNtrolled Trial (STAY-LEAN Trial)

    Not yet reported The Cleveland Clinic 150 participants Est. completion 2028-04-28 1 site Stand-alone
    Other conditions: Obesity
    View official trial listing →
  • Active, not recruiting NCT NCT06877572

    Weight Loss Management in Endometrial Cancer Survivors

    University of Kansas Medical Center 50 participants Est. completion 2030-10 1 site
    Other conditions: Endometrial Cancer Survivors, Weight Management, Early Stage Endometrial Cancer
    View official trial listing →
  • Active, not recruiting NCT NCT07188545

    Using Secondary Data to Evaluate Sex-based Heterogeneity of GLP-1 Agonists and SGLT2 Inhibitors on Cardiovascular-Kidney-Metabolic Health (CKMH) Outcomes in Real-world Settings (DASH-CKMH)

    Ohio State University 23280000 participants Est. completion 2029-06-30 1 site
    Metabolic syndrome
    View official trial listing →
  • Not yet recruiting NCT NCT07728812

    Pragmatic Trial to Study the Cost-Effectiveness of MyPhenome-RX Test to Guide Anti-Obesity Pharmacotherapy

    Not yet reported Phenomix Sciences 424 participants Est. completion 2029-01-01 Stand-alone
    Other conditions: Obesity & Overweight
    View official trial listing →
  • Not yet recruiting NCT NCT07729332

    Switching to Oral Weight Management Pharmacotherapy to Prevent Weight Regain After GLP-1 Therapy Discontinuation

    Not yet reported Massachusetts General Hospital 60 participants Est. completion 2031-07-31 1 site
    Other conditions: Obesity
    View official trial listing →
  • Not yet recruiting NCT NCT07790913

    Obesity Treatment With Phentermine-Topiramate ER in AYA Surviving Leukemia and Lymphoma

    Not yet reported St. Jude Children's Research Hospital 100 participants Est. completion 2031-08 1 site Stand-alone
    Other conditions: Acute Lymphoblastic Leukemia in Remission, Hodgkin Lymphoma in Remission, Non-Hodgkin Lymphoma in Remission, Cancer Survivorship
    View official trial listing →
  • Not yet recruiting NCT NCT07832084

    Comparing Different Medication Regimens to Maintaining Weight Loss Among Adults With Obesity Using GLP-1s

    Not yet reported Jing Luo 60 participants Est. completion 2028-09-30 1 site Stand-alone
    Other conditions: Obesity & Overweight, Cardiometabolic Health Indicators
    View official trial listing →
Efficacy history

Not yet reported.

Safety

Not yet reported.

Sources

Also known as: Phentermine, Phentermine Hydrochloride, LOMAIRA

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.