Study type
Weight loss and obesity studies recruiting now
Weight-management research includes trials of new medicines, devices, diets and lifestyle programs for people with overweight or obesity, and studies of weight-related conditions such as fatty liver disease.
365 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
More recruiting studies (pay not posted)
- RecruitingHealthy volunteers
The Influence of Chardonnay Marc Intake on Gut and Cardiometabolic Health
University of California, Davis
- Location
- Davis, CA
- Eligibility basics
- Ages 45–70 · Women only
- RecruitingHealthy volunteers
A Sensory Strategy to Cut Sugary Beverages in African/American and Latine Adolescents
Nana Gletsu Miller
- Location
- Indianapolis, IN + 1 other US site
- Eligibility basics
- Ages 12–18
- RecruitingHealthy volunteers
Circadian Intervention to Improve Cardiometabolic Health
University of Utah
- Location
- Salt Lake City, UT
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
Effect of Sleep Extension on Ceramides in People With Overweight and Obesity
University of Utah
- Location
- Salt Lake City, UT
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
Upper Body Subcutaneous Exosome Release in Response to a Meal in Obesity
Mayo Clinic
- Location
- Rochester, MN
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteers
Routine Validation and Reproducibility Testing of Laboratory Measures and Research Techniques Used for Metabolism Research (VAL)
Bettina Mittendorfer
- Location
- Columbia, MO
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteers
Gestational Response, Outcomes, and Weight After GLP-1 Use
University of Kansas Medical Center
- Location
- Kansas City, KS
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteersPhase 4
Fibrosis Lessens After Metabolic Surgery
The Cleveland Clinic
- Location
- Cleveland, OH
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteers
Tirzepatide Impact Assessment Study
Texas Tech University
- Location
- Lubbock, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Maternal Smoking Cessation and Pediatric Obesity Prevention
State University of New York at Buffalo
- Location
- Buffalo, NY
- Eligibility basics
- Ages 18–39 · Women only
- RecruitingHealthy volunteers
Effects of GLP-1 RAs on Human Lactation Outcomes
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Any age listed · Women only
- RecruitingHealthy volunteersPhase 2
Convergent Mechanisms Underlying Reprometabolic Syndrome in Women
University of Colorado, Denver
- Location
- Aurora, CO + 1 other US site
- Eligibility basics
- Ages 18–38 · Women only
- RecruitingHealthy volunteers
An Acceptance-Based Healthy Lifestyle Intervention for Diverse Adolescents
Nemours Children's Clinic
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 14–19 · Women only
- RecruitingHealthy volunteers
Small Extracellular Vesicles and Insulin Action
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 25–55
- RecruitingHealthy volunteers
Low Oxygen Exposure and Weight Status
Pennington Biomedical Research Center
- Location
- Baton Rouge, LA
- Eligibility basics
- Ages 22–65
- RecruitingHealthy volunteers
Cognitive Strategies for Weight Loss
The Miriam Hospital
- Location
- Providence, RI
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteersPhase 2
Effect of Ketone Esters on Liver Fat Content and Metabolic Function
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
Identification of Phenotypic Factors That Predict Success for Weight Loss and Long-term Weight Maintenance
University of Michigan
- Location
- Ann Arbor, MI
- Eligibility basics
- Ages 15–75
- RecruitingHealthy volunteers
The Metabolic and Genetic Drivers of Body Composition Changes Following Weight Loss Surgery
The University of Texas Medical Branch, Galveston
- Location
- Galveston, TX
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Adapting and Assessing the Feasibility of a Telehealth Diabetes Prevention Program for Hispanic Adolescents
Baylor College of Medicine
- Location
- Houston, TX
- Eligibility basics
- Ages 14–16
- RecruitingHealthy volunteers
PATHS-UP Health Behavior Self-monitoring Mobile App for Adolescents
Baylor College of Medicine
- Location
- Houston, TX
- Eligibility basics
- Ages 12–18
- RecruitingHealthy volunteers
Digitally Delivered Child Obesity Prevention for Parents in Home Visiting Programs
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 16–65
- RecruitingHealthy volunteers
The Bottle Optimization Testing Tiny Little Eaters Study
University of Michigan
- Location
- Ann Arbor, MI
- Eligibility basics
- Ages 4 mo+
- RecruitingHealthy volunteers
Breastmilk in Response to a Bout of Exercise
Mayo Clinic
- Location
- Rochester, MN
- Eligibility basics
- Ages 18–45 · Women only
Who these studies look for
Most of these studies set a BMI range and may exclude people taking certain weight-loss medicines or who have had bariatric surgery. Some require a weight-related condition such as type 2 diabetes or high blood pressure.
Matching a page like this one never means you qualify. Each research team decides eligibility at screening.
Questions
Can I join a weight loss study if I already take a GLP-1 medicine?
It depends on the study. Many exclude people currently or recently on weight-loss medicines; others are designed specifically for them. The listing’s eligibility criteria and the study team are the only reliable answer.