- Conditions
- Hyperphagia, Prader-Willi Syndrome, Hyperphagia in Prader-Willi Syndrome
- Interventions
- ARD-101
- Drug
- Lead sponsor
- Aardvark Therapeutics, Inc.
- Industry
- Eligibility
- 13 Years and older
- Enrollment
- 19 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2026
- U.S. locations
- 16
- States / cities
- Birmingham, Alabama • Orange, California • Palo Alto, California + 13 more
Obesity clinical trials
Directory of U.S. ClinicalTrials.gov public records for Obesity. Browse Obesity recruiting trials, filter by phase, sponsor, location, or intervention, and open the official ClinicalTrials.gov study record for each result.
By Clinical Trials Finder Guidance last reviewed June 10, 2026 Data synced November 2, 2026 Report an issue
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
How Obesity studies are organized in the registry
Obesity research spreads across several neighboring registry terms — “overweight,” “weight loss,” and “metabolic syndrome” all label closely related studies — so checking more than one term gives a fuller picture. The portfolio includes many behavioral and lifestyle studies alongside drug trials, which makes the study-type filter (interventional vs. observational) more informative than usual.
These describe how studies tend to be titled and grouped on ClinicalTrials.gov — they are search vocabulary, not medical guidance.
Live official records
Open in full search- Conditions
- Diabetes Mellitus, Type 1, Obesity, Childhood, Overweight, Comorbidities and Coexisting Conditions
- Interventions
- Family-Based Treatment for T1D
- Behavioral
- Lead sponsor
- State University of New York at Buffalo
- Other
- Eligibility
- 6 Years to 17 Years
- Enrollment
- 22 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Buffalo, New York
- Conditions
- Obesity, Knee Osteoarthritis
- Interventions
- InBody Band 2
- Device
- Lead sponsor
- University of Iowa
- Other
- Eligibility
- 18 Years to 99 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
- Conditions
- Hyperphagia, Prader-Willi Syndrome
- Interventions
- Placebo, ARD-101
- Drug
- Lead sponsor
- Aardvark Therapeutics, Inc.
- Industry
- Eligibility
- 7 Years and older
- Enrollment
- 68 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2026
- U.S. locations
- 17
- States / cities
- Birmingham, Alabama • Encinitas, California • Orange, California + 14 more
- Conditions
- Overweight and Obesity, Time Restricted Feeding, Alzheimer Disease
- Interventions
- Time Restricted Eating intervention, Successful Aging Comparison Group (LEARN)
- Behavioral
- Lead sponsor
- University of Florida
- Other
- Eligibility
- 65 Years and older
- Enrollment
- 45 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2026
- U.S. locations
- 1
- States / cities
- Gainesville, Florida
- Conditions
- Obesity, Overweight
- Interventions
- Tirzepatide, Placebo
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 12 Years to 17 Years
- Enrollment
- 160 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2029
- U.S. locations
- 10
- States / cities
- Decatur, Georgia • Meridian, Idaho • Topeka, Kansas + 7 more
- Conditions
- Endometrial Cancer
- Interventions
- Ketogenic Diet (KD), Standard Diet (SD)
- Other
- Lead sponsor
- Memorial Sloan Kettering Cancer Center
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 19 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2026
- U.S. locations
- 8
- States / cities
- Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
- Conditions
- Postpartum Weight Retention, Overweight and Obesity
- Interventions
- Early Time-Restricted Eating (eTRE), Control
- Behavioral
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2029
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- Conditions
- Obesity
- Interventions
- "Comidas Para Salud" (Food for Health), "Pasos Para Salud" (Steps for Health), "Jardines Para Salud" (Gardens for Health)
- Behavioral
- Lead sponsor
- Texas Tech University Health Sciences Center
- Other
- Eligibility
- 3 Years to 4 Years
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Lubbock, Texas
- Conditions
- Obesity & Overweight
- Interventions
- Purple Diet, Ultra-processed diet
- Behavioral
- Lead sponsor
- Pennington Biomedical Research Center
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 6 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026
- U.S. locations
- 1
- States / cities
- Baton Rouge, Louisiana
- Conditions
- HIV, Obesity
- Interventions
- w-3 fatty acid, L-carnitine, Control Diet
- Dietary Supplement · Other
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 20 Years to 80 Years · Male only
- Enrollment
- 70 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2029
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Obesity, Adolescent, Oxytocin
- Interventions
- Oxytocin nasal spray, Placebo
- Drug
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 10 Years to 18 Years
- Enrollment
- 55 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2027
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
About this Obesity clinical trials directory page
- What this page lists
- U.S. ClinicalTrials.gov public records that list Obesity as a study condition, including recruiting, not yet recruiting, and active not recruiting trials across phase 1, phase 2, and phase 3.
- How to narrow results
- Use the filters above to scope by intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, age, or NCT ID within Obesity.
- Where the data comes from
- Records are sourced from the official ClinicalTrials.gov public API. Each result links back to the official study page, which is the source of truth for eligibility, enrollment, and contact information.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, ranking of trials by quality, or AI-generated medical summaries.
Related: all condition pages, browse by drug or therapy, browse by U.S. city, browse by sponsor, or open the full search for Obesity.