About this data
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.
Phentermine
- Company
- Russell McCulloh, MD
- Mechanism
- Mechanism not yet reported
- Route
- Route not yet reported
- Recruiting trials
- 8 recruiting
Efficacy results: Not yet reported
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.
Trial details
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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-aloneOther conditions: Colitis, Ulcerative, ObesityView 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 siteOther conditions: Prostate CancerView 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 sitesOther conditions: Abdominal Wall HerniaView 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-aloneOther conditions: ObesityView 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-aloneOther conditions: Hypothalamic Obesity, Hypothalamic Tumor, CraniopharyngiomaView 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 siteOther conditions: Liver Cirrhoses, Portal Hypertension Related to Cirrhosis, Severe Obesity, TIPSView 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-aloneOther conditions: Bipolar I Disorder, Bipolar II Disorder, Schizo Affective Disorder, Obesity, Weight Loss, GLP - 1View 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-aloneOther conditions: Childhood ObesityView 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 1988-04Other conditions: Heart Diseases, Obesity, Vascular DiseasesView 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-aloneOther conditions: Overweight, ObesityView 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-aloneType 2 diabetesView 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-aloneOther conditions: ObesityView 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-aloneType 2 diabetes Other conditions: ObesityView 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-aloneOther conditions: ObesityView 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-aloneOther conditions: ObesityView 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-aloneOther conditions: DiabetesView 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-aloneOther conditions: DiabetesView 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-aloneOther conditions: Sleep ApneaView 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-aloneOther conditions: Hepatic ImpairmentView 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-aloneOther conditions: Renal ImpairmentView 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-aloneOther conditions: ObesityView 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-aloneOther conditions: ObesityView 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-aloneOther conditions: Overweight, ObesityView 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 siteOther conditions: ObesityView 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 sitesOther conditions: Alzheimer's Disease, Parkinson's Disease, Senile DementiaView 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 sitesOther conditions: Critical Illness, Hyperglycemia, Dietary Modification, Metabolic Stress Hyperglycemia, Mechanical Ventilation ComplicationView 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 siteMetabolic syndrome Other conditions: Hyperglycemia, DiabeticsView 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 siteOther conditions: Acute Pancreatitis, Enteral NutritionView 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 siteOther conditions: Severe Insufficient NutritionView 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 sitesOther conditions: Obesity, Phentermine WithdrawalView 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-aloneOther conditions: Drug Abuse, HealthyView 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 siteOther conditions: Obesity, Overweight, Metabolic DiseasesView 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 siteCardiovascular disease Other conditions: NephropathyView 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-aloneOther conditions: Obesity, HypertensionView 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-aloneOther conditions: ObesityView 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-aloneOther conditions: ObesityView 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-aloneOther conditions: ObesityView 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-aloneOther conditions: Healthy VolunteersView 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 siteOther conditions: Obesity, Diabetes MellitusView 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-aloneOther conditions: Chronic Weight ManagementView 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-aloneOther conditions: ObesityView 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-aloneOther conditions: Cocaine Use DisorderView 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-aloneOther conditions: ObesityView 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-aloneOther conditions: Obesity, Metabolic Surgery, Weight Loss, Bariatric Surgery ProceduresView 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-aloneObstructive sleep apnea Other conditions: Binge Eating DisorderView 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 siteOther conditions: Drug AbuseView 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 siteOther conditions: Polycystic Ovary Syndrome, ObesityView 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 siteOther conditions: Binge Eating DisorderView 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-aloneOther conditions: Pediatric Obesity, Childhood ObesityView official trial listing → -
Completed NCT NCT02911818
Lifestyle Modification and Liraglutide
Not yet reported University of Pennsylvania 150 participants Est. completion 2018-12 1 siteOther conditions: ObesityView 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 siteOther conditions: Healthy, Drug AbuseView 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-1Other conditions: ObesityView 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-aloneOther conditions: Obesity, OverweightView 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 siteOther conditions: ObesityView 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-aloneOther conditions: ObesityView 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 siteOther conditions: Obesity, Morbid Obesity, Bariatric Surgery, Non-alcoholic Fatty Liver, Weight LossView 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-aloneOther conditions: Adolescent Obesity, Obesity in Adolescence, Adolescent OverweightView 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 siteOther conditions: Adolescent ObesityView 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-aloneOther conditions: Obesity, Morbid, Bariatric Surgery, Adolescent, Young Adult, Drug TherapyView 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 siteOther conditions: ObesityView 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 siteOther conditions: ObesityView 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-1Type 2 diabetes Other conditions: ObesityView official trial listing → -
Withdrawn NCT NCT04572217
Medications After Adolescent Bariatric Surgery
Not yet reported Janey Pratt Est. completion 2022-06-01 1 site Stand-aloneOther conditions: Pediatric ObesityView 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-aloneOther conditions: ObesityView 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-aloneType 2 diabetesPrediabetes Other conditions: Obesity, Uric Acid StonesView official trial listing → -
Withdrawn NCT NCT04678323
Pharmacotherapy for Pediatric Obesity: A Phentermine Clinical Trial
Not yet reported University of Minnesota Est. completion 2028-06Other conditions: Obesity, ChildhoodView 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-aloneOther conditions: Pediatric ObesityView 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-aloneOther conditions: Obesity, Obesity; Drug, Lifestyle, HealthyView 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-aloneOther conditions: Blood PressureView 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 sitesOther conditions: ObesityView official trial listing → -
Completed NCT NCT05395377
Preventing Diabetes
Not yet reported Geisinger Clinic 84 participants Est. completion 2021-11-16 1 sitePrediabetesView 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 sitesOther conditions: Pregnancy, Obesity, OverweightView 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 siteOther conditions: ObesityView 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 siteOther conditions: Hemodynamic StabilityView 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 sitesOther conditions: ObesityView 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-aloneOther conditions: Dyspnea, Quality of LifeView official trial listing → -
Withdrawn NCT NCT05834062
Phentermine/Topiramate as Preventive Pharmacotherapy for Obesity
Not yet reported University of Minnesota Est. completion 2027-08 1 siteOther conditions: Obesity, AdolescentView 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 sitesOther conditions: Weight Loss, Obesity, Childhood, ObesityView 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-aloneOther conditions: ObesityView 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 siteOther conditions: Endometrial Cancer Survivors, Weight Management, Early Stage Endometrial CancerView 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 siteMetabolic syndromeView 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-aloneOther conditions: Obesity & OverweightView 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 siteOther conditions: ObesityView 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-aloneOther conditions: Acute Lymphoblastic Leukemia in Remission, Hodgkin Lymphoma in Remission, Non-Hodgkin Lymphoma in Remission, Cancer SurvivorshipView 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-aloneOther conditions: Obesity & Overweight, Cardiometabolic Health IndicatorsView 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.
