Obesity trials in United States

In United States 744 Also abroad 1939

744 trials · From ClinicalTrials.gov, checked 12 November 2026. Ask the study team whether a trial fits you.

No phaseTaking people
International Rapid-onset Obesity With Hypothalamic Dysfunction, Hypoventilation & Autonomic Dysregulation (ROHHAD) Registry
Where
Chicago
People
1,000
Run by
Ilya Khaytin
See details and how to joinNCT03135730
Early phase 1Taking people
Sympathetic Transduction in Obesity-associated Hypertension (OB-HTN)
Where
Dallas
Age
18 years to 55 years
People
100
Run by
University of Texas Southwestern Medical Center
See details and how to joinNCT04838678
No phaseTaking people
Ketogenic Diet and Diabetes Demonstration Project
Where
Albuquerque
Age
18 years and over
People
40
Run by
University of New Mexico
See details and how to joinNCT06115265
No phaseEnrolling by invitation
Respiratory Effects of Obesity in Children: Longitudinal Consequences After 6 Years of Aging
Where
Dallas
Age
14 years to 18 years
People
90
Run by
University of Texas Southwestern Medical Center
See details and how to joinNCT06447246
No phaseEnrolling by invitation
The Effect of Adiposity on Muscle and Microvascular Function in HFpEF
Where
Dallas
Age
18 years and over
People
95
Run by
University of Texas Southwestern Medical Center
See details and how to joinNCT06930495
No phaseNot yet taking people in United States
Digitally Enhanced Cognitive-Behavioral Therapy
Where
Aurora
Age
12 years to 17 years
People
60
Run by
Colorado State University
See details and how to joinNCT07569991
Phase 1Taking people
Alpelisib Challenge Test (ACT)
Where
New York
Age
18 years to 70 years
People
15
Run by
Columbia University
See details and how to joinNCT07778524
No phaseTaking people
Effects of Obesity in the Aged
Where
Dallas
Age
65 years to 75 years
People
72
Run by
University of Texas Southwestern Medical Center
See details and how to joinNCT05028309
Phase 2Taking people
Taxi ROADmAP (Realizing Optimization Around Diet And Physical Activity)
Where
New York
Age
21 years and over
People
1,889
Run by
Memorial Sloan Kettering Cancer Center
See details and how to joinNCT05770570
Phase 3Taking people
Early Reinitiation of Semaglutide Post-Sleeve Gastrectomy in Youth
Where
Los Angeles
Age
12 years to 18 years
People
150
Run by
Children's Hospital Los Angeles
See details and how to joinNCT06934655
No phaseNot yet taking people in United States
A Randomized Controlled Trial of Prepared vs. Unprepared Food
Where
Ann Arbor
Age
18 years and over
People
40
Run by
University of Michigan
See details and how to joinNCT07800182
No phaseTaking people
HealthyTogether: RCT of a Dyadic Weight Management Intervention
Where
Aurora, Seattle
Age
18 years and over
People
320
Run by
VA Office of Research and Development
See details and how to joinNCT06619041
No phaseTaking people
Anti-inflammatory Activities of Vitamin C Supplementation on the Gut Barrier Function in Adults With Obesity
Where
Columbus
Age
18 years to 50 years
People
34
Run by
Ohio State University
See details and how to joinNCT07151105
No phaseTaking people
Healthy Children, Healthy Communities: Effectiveness of a Multilevel Rural Community Engagement Model for Improving Children's Dietary Intake in Family Child Care Homes
Where
Lincoln
Age
3 years and over
People
360
Run by
University of Nebraska Lincoln
See details and how to joinNCT07160530
No phaseNot yet taking people in United States
Ability of Almonds to Improve Nutrition During GLP-1 Treatment
Where
Baton Rouge
Age
18 years to 70 years
People
76
Run by
Pennington Biomedical Research Center
See details and how to joinNCT07796204
No phaseNot yet taking people in United States
Pilot Study of Endoscopic Sleeve Gastroplasty for Obese Patients With Heart Failure and Preserved Ejection Fraction
Where
Los Angeles
Age
22 years and over
People
20
Run by
Cedars-Sinai Medical Center
See details and how to joinNCT07798219
No phaseTaking people
BRIDGE & Friends Trial
Where
Chicago
Age
50 years to 79 years
People
532
Run by
University of Illinois Chicago
See details and how to joinNCT07798557
No phaseTaking people
Concurrent Laparoscopic Hysterectomy and Weight Loss Surgery in Obese Patients With Endometrial Carcinoma or Endometrial Intraepithelial Neoplasia
Where
Boston
Age
18 years and over
People
30
Run by
Dana-Farber Cancer Institute
See details and how to joinNCT04839614
Phase 4Taking people
The Effects of Mirabegron and Tadalafil on Glucose Tolerance in Prediabetics
Where
Lexington
Age
35 years to 65 years
People
96
Run by
Philip Kern
See details and how to joinNCT05051436
Phase 3Taking people
Role of Semaglutide in Restoring Ovulation in Youth and Adults With Polycystic Ovary Syndrome
Where
Aurora
Age
12 years to 35 years
People
80
Run by
University of Colorado, Denver
See details and how to joinNCT05819853
No phaseTaking people
The Effects of Increasing Caloric Intake on Diet-Induced Thermogenesis and 24h Energy Expenditure
Where
Phoenix
Age
18 years to 60 years
People
120
Run by
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
See details and how to joinNCT05545306
No phaseTaking people
Effects of Watermelon or Low-fat Cookie Consumption on Wellness
Where
San Diego
Age
18 years to 50 years
People
80
Run by
San Diego State University
See details and how to joinNCT06323070
Phase 2Not yet taking people in United States
HMB Plus Vitamin D to Preserve Muscle in Older Adults Starting Semaglutide
Where
Nashville
Age
65 years to 85 years
People
90
Run by
Vanderbilt University Medical Center
See details and how to joinNCT07760948
Phase 4Taking people
GLP-1R Actions on Muscle and the Skeleton
Where
Baton Rouge, Scarborough
Age
18 years to 50 years
People
50
Run by
Pennington Biomedical Research Center
See details and how to joinNCT07154719
No phaseTaking people
Assess the Effects of Replacing Foods High in Refined Carbohydrates With Avocado on Biomarkers of Inflammation.
Where
Chicago, Las Vegas
Age
21 years to 74 years
People
38
Run by
Midwest Center for Metabolic and Cardiovascular Research
See details and how to joinNCT07566325