Condition Directory

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 5, 2026 Report an issue

ClinicalTrials.gov public records Last synced Nov 5, 2026, 5:14 PM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

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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

weight loss overweight metabolic syndrome bariatric

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

Showing 1141–1152 of 6,038 matching trials for Obesity.

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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: PreDiabetes, Obesity, Healthy
Interventions: Early Dinner, Late Dinner, Early Dinner tracer, Late Dinner tracer; Behavioral · Drug
Lead sponsor: Johns Hopkins University; Other
Eligibility: 18 Years to 50 Years
Enrollment: 32 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2028
U.S. locations: 2
States / cities: Baltimore, Maryland • Bethesda, Maryland

Conditions: Pediatric Obesity, Rural Health, Clinical Practice Guideline
Interventions: Participants: iAmHealthy, Participants: Newsletter; Behavioral
Lead sponsor: University of Kansas Medical Center; Other
Eligibility: 6 Years to 11 Years
Enrollment: 1,024 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2028
U.S. locations: 4
States / cities: Kansas City, Kansas • Omaha, Nebraska • Oklahoma City, Oklahoma + 1 more

Conditions: Obesity, Overweight
Interventions: WW Clinic, Bupropion-Naltrexone, Bupropion-Naltrexone-Metformin; Behavioral · Drug
Lead sponsor: WW International Inc; Industry
Eligibility: 18 Years and older
Enrollment: 226 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2026
U.S. locations: 1
States / cities: New York, New York

Conditions: Obesity
Interventions: Insulin; Drug
Lead sponsor: Mayo Clinic; Other
Eligibility: 18 Years to 65 Years
Enrollment: 48 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2028
U.S. locations: 1
States / cities: Rochester, Minnesota

Conditions: Weight Loss, Time Restricted Feeding, Bone Loss
Interventions: Time Restricted Eating (TRE), Calorie Restriction; Behavioral
Lead sponsor: Rutgers, The State University of New Jersey; Other
Eligibility: 50 Years to 79 Years · Female only
Enrollment: 49 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2022 – 2025
U.S. locations: 1
States / cities: New Brunswick, New Jersey

Conditions: Obesity, Childhood, Eating Behavior
Interventions: Food Rating; Behavioral
Lead sponsor: Penn State University; Other
Eligibility: 8 Years to 10 Years
Enrollment: 76 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2024
U.S. locations: 1
States / cities: University Park, Pennsylvania

Conditions: Breathing, Lung Function Decreased, Asthma (Diagnosis), Obesity
Interventions: Oscillometer; Device
Lead sponsor: University of Rochester; Other
Eligibility: 18 Years and older
Enrollment: 100 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2027
U.S. locations: 1
States / cities: Rochester, New York

Conditions: Obesity and Overweight
Interventions: Commercial weight management program; Behavioral
Lead sponsor: WW International Inc; Industry
Eligibility: 18 Years and older
Enrollment: 459 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2026
U.S. locations: 1
States / cities: New York, New York

Conditions: Obesity, Cardiovascular Diseases, Hypertension, Nocturnal Blood Pressure, Natriuretic Peptides, Renin-Angiotensin-Aldosterone System
Interventions: Sacubitril-Valsartan 49 Mg-51 Mg Oral Tablet, Valsartan 80 mg Oral Tablet; Drug
Lead sponsor: University of Alabama at Birmingham; Other
Eligibility: 18 Years and older
Enrollment: 160 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2022 – 2027
U.S. locations: 1
States / cities: Birmingham, Alabama

Conditions: Obesity, Diet, Healthy
Interventions: No intervention; Other
Lead sponsor: University of Minnesota; Other
Eligibility: 18 Years to 99 Years
Enrollment: 439 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2025
U.S. locations: 1
States / cities: Minneapolis, Minnesota

Conditions: Obesity and Overweight, Dysbiosis
Interventions: Watermelon, Belvita Breakfast Sandwich + 12 oz Water; Other
Lead sponsor: Florida State University; Other
Eligibility: 18 Years to 30 Years
Enrollment: 36 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2026
U.S. locations: 1
States / cities: Tallahassee, Florida

Conditions: Infant Overweight, Infant Obesity, Infant Overnutrition, Infant Development, Metabolic Syndrome, Diabetes Mellitus Risk
Interventions: Centering Parenting, Bright by Text; Behavioral
Lead sponsor: University of Texas at Austin; Other
Eligibility: 18 Years to 45 Years · Female only
Enrollment: 256 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2027
U.S. locations: 1
States / cities: Austin, Texas

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.

Obesity clinical trials

How Obesity studies are organized in the registry

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Live official records

Dinner Time for Obesity and Prediabetes

iAmHealthy Clinical Practice Guideline (CPG)

A Randomized Controlled Trial Comparing the Effectiveness of Different Treatment Options for Weight Management After Discontinuation of Semaglutide and Tirzepatide (GLP1 Transition Trial)

Regional Lipolysis Insulin Regulation

TRE: Microbiome, Metabolic Health and Bone

Study of Brain, Reward, and Kids' Eating

Body Composition Related Evaluation of Airway Tone and Hyper-rEactivity Using Oscillometry

A Randomized Controlled Trial Comparing the Efficacy of Commercial Weight Management Programs

PRECISION-BP: Precision Chronopharamacotherapy Targeting NP-RAAS-BP Rhythm Axis

Food at Home Study

Effect of Watermelon on Gut and Cardiometabolic Health

Project Sueño: Sleep & Understanding Early Nutrition in Obesity

About this Obesity clinical trials directory page