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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

ClinicalTrials.gov public records Last synced Nov 2, 2026, 1:22 AM EST

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official matching trials
6025
Shown on this page
12
Current sort
Recently updated
Condition scope
Obesity
Additional filters apply within this condition.

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.

Terms that often appear in related listings

These describe how studies tend to be titled and grouped on ClinicalTrials.gov — they are search vocabulary, not medical guidance.

Filter and sort this condition

These controls apply only within Obesity. Default order is Recently updated. Add location, sponsor, treatment, or recruitment status to narrow this condition page further.

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Showing 805–816 of 6,025 matching trials for Obesity.
Live ClinicalTrials.gov results.
Local aggregate panels are unavailable or hidden for filtered views. The result list above identifies its data source.

Live official records

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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
Completed Not applicable Interventional Results available

Family-Based Treatment for Type 1 Diabetes

NCT05756361
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
Completed Not applicable Interventional Accepts healthy volunteers

Fasting ENHANCE Pilot Study

NCT05732935
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
Withdrawn Not applicable Interventional Accepts healthy volunteers

Early Childhood Obesity Among Rural Residents of West Texas

NCT06831097
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
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Ultra-processed Food Consumption and Health Pilot Study

NCT07318064
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.