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 3, 2026 Report an issue

ClinicalTrials.gov public records Last synced Nov 2, 2026, 9:41 PM EST

Data is sourced from official ClinicalTrials.gov public API records. 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 901–912 of 6,028 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.

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Conditions: Obesity, Weight Loss
Interventions: Eating Frequency; Behavioral
Lead sponsor: The University of Tennessee, Knoxville; Other
Eligibility: 18 Years to 65 Years
Enrollment: 30 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012 – 2025
U.S. locations: 1
States / cities: Knoxville, Tennessee

Conditions: Obesity, Feeding Behavior
Interventions: Common components of intervention; Behavioral
Lead sponsor: The University of Tennessee, Knoxville; Other
Eligibility: 18 Years to 65 Years
Enrollment: 60 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2015 – 2025
U.S. locations: 1
States / cities: Knoxville, Tennessee

Conditions: Obesity, Overweight
Interventions: Retatrutide; Drug
Lead sponsor: Eli Lilly and Company; Industry
Eligibility: 18 Years and older
Enrollment: 600 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2028
U.S. locations: 20
States / cities: Phoenix, Arizona • Huntington Beach, California • Los Angeles, California + 15 more

Conditions: Diet Habit, Obesity
Interventions: Order 1, Order 2, Order 3, Order 4; Behavioral
Lead sponsor: The University of Tennessee, Knoxville; Other
Eligibility: 18 Years to 35 Years
Enrollment: 62 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2026
U.S. locations: 1
States / cities: Knoxville, Tennessee

Conditions: NIDDM, Obesity
Interventions: Metformin Extended Release (ER) Oral Tablet, Placebo; Drug
Lead sponsor: University of California, Los Angeles; Other
Eligibility: 18 Years and older
Enrollment: 150 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2028
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Postpartum Weight Retention, Pregnancy Weight Gain, Overweight and Obesity, Behavior, Health
Interventions: Healthy for Two-Health Coaching (H42), Maintain Healthy in Pregnancy and Postpartum(mHIPP); Behavioral
Lead sponsor: Johns Hopkins University; Other
Eligibility: 18 Years and older · Female only
Enrollment: 360 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2026
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Obesity, Morbid
Interventions: Reimagining Us in the Context of Bariatric Surgery (ReConnect); Behavioral
Lead sponsor: Larissa McGarrity, Ph.D.; Other
Eligibility: 18 Years and older
Enrollment: 82 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2026
U.S. locations: 1
States / cities: Salt Lake City, Utah

Conditions: Obesity, Body Weight Changes
Interventions: Voice data; Behavioral
Lead sponsor: Loma Linda University; Other
Eligibility: 18 Years to 74 Years
Enrollment: 59 participants
Timeline: 2023 – 2027
U.S. locations: 1
States / cities: Loma Linda, California

Conditions: Occupational Stress, Gender Related Stress, Social Isolation, Hypertension, Pre Diabetes, Diabetes, Obesity
Interventions: Sisters for Heart Health, Basic intervention; Behavioral
Lead sponsor: Emory University; Other
Eligibility: 18 Years to 50 Years · Female only
Enrollment: 269 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2025 – 2028
U.S. locations: 1
States / cities: Ellenton, Georgia

Conditions: Pregnancy, Overweight and Obesity
Interventions: Exercise Modes; Behavioral
Lead sponsor: East Carolina University; Other
Eligibility: 18 Years to 45 Years · Female only
Enrollment: 300 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2021 – 2027
U.S. locations: 1
States / cities: Greenville, North Carolina

Conditions: NASH - Nonalcoholic Steatohepatitis, NAS, Overweight or Obesity, Weight Loss, Bariatric Surgery Candidate
Interventions: Vertical Sleeve Gastrectomy (VSG); Procedure
Lead sponsor: University of Minnesota; Other
Eligibility: 40 Years to 67 Years
Enrollment: 30 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2030
U.S. locations: 1
States / cities: Minneapolis, Minnesota

Conditions: Obesity, Metabolic Syndrome, Metabolic Disease, Insulin Resistance, Weight Loss, Weight Gain
Interventions: Exercise, No exercise; Behavioral
Lead sponsor: University of Michigan; Other
Eligibility: 18 Years to 40 Years
Enrollment: 46 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2030
U.S. locations: 1
States / cities: Ann Arbor, Michigan

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

Healthy Eating Patterns During a Lifestyle Intervention

Lowering Caloric Density of the Diet

A Study of Retatrutide (LY3437943) in Participants Without Type 2 Diabetes Who Have Obesity or Overweight

Foods Within a Meal and Food Liking Study

Effect of Metformin, a Drug Used to Treat Diabetes, vs Placebo

Healthy for Two-Home Visiting (H42-HV): Health Coaching for Pregnant Women

Positive Psychology Intervention for Patients Post-bariatric Surgery and Their Partners

Does Personality Predict Patient Adherence, Health Behaviors, and Weight Loss Outcomes During the Latino Crossover Semaglutide Study (LCSS)? (Story-LCSS Project)

Sisters for Heart Health: A Community Health Worker Initiative for Improving Heart Health in Farmworker Women

Pregnancy Exercise Mode Effect on Childhood Obesity

Hepatic Energy Fluxes in NASH and NAS Patients

Exercise Effects on Adipose Tissue Structure and Function

About this Obesity clinical trials directory page