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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 6, 2026 Report an issue

ClinicalTrials.gov public records Last synced Nov 6, 2026, 4:07 AM 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.

Official matching trials
6038
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 1189–1200 of 6,038 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

Open in full search
Conditions
Overweight, Obesity
Interventions
Tirzepatide, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
441 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
20
States / cities
Pelham, Alabama • Los Angeles, California • Santa Ana, California + 17 more
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Berries, Inflammation, and Gut Microbiome

NCT04100200
Conditions
Overweight or Obesity, Healthy
Interventions
Mixed berries, FOS, Control, Combination
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
20 Years to 60 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Obesity
Interventions
Not listed
Lead sponsor
Methodist Health System
Other
Eligibility
60 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Obesity
Interventions
PHP, SMA
Behavioral
Lead sponsor
Methodist Health System
Other
Eligibility
30 Years to 60 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Dallas, Texas
Active, not recruiting Phase 4 Interventional

Surgical or Medical Treatment

NCT04128995
Conditions
Diabetes Mellitus, Type 2, Pediatric Obesity, Bariatric Surgery Candidate
Interventions
Advanced Medical Therapy and Bariatric Surgery, Advanced Medical Therapy, Bariatric Surgery
Procedure · Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
13 Years to 19 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
3
States / cities
Aurora, Colorado • Chicago, Illinois • Cincinnati, Ohio
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Early vs. Late Time Restricted Eating vs. Daily Caloric Restriction

NCT05870982
Conditions
Overweight and Obesity
Interventions
Early TRE, Late TRE, DCR
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 65 Years
Enrollment
162 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Metabolic Dysfunction Associated Steatotic Liver Disease, Overweight (BMI > 25), Metabolic Syndrome
Interventions
Paso Program
Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Houston, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Daily Self-Weighing for Obesity Management in Primary Care

NCT04044794
Conditions
Overweight and Obesity
Interventions
Standard Care, Daily Self-Weighing
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 65 Years
Enrollment
396 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Obesity
Interventions
Petrelintide, Placebo
Drug
Lead sponsor
Zealand Pharma
Industry
Eligibility
18 Years and older
Enrollment
493 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
19
States / cities
Birmingham, Alabama • Boca Raton, Florida • Clearwater, Florida + 16 more
Conditions
HSV Encephalitis
Interventions
To assess the clinical impact of dosing acyclovir based on IBW or adjBW for HSV encephalitis to definitively guide safe and effective therapy.
Other
Lead sponsor
Methodist Health System
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Obesity, Childhood, Diet, Healthy, Body Weight Changes
Interventions
Whole Foods MyPlate Group
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
10 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Completed Not applicable Interventional

Pilot of Exercise and Asthma Control

NCT06651385
Conditions
Asthma, Obesity
Interventions
Remote digital therapeutic exercise program
Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Burlington, Vermont

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.