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 7, 2026 Report an issue

ClinicalTrials.gov public records Last synced Nov 7, 2026, 1:56 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 1249–1260 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

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Conditions: Healthy Lifestyle, Obese, Men
Interventions: Diet, Exercise, Standard care; Other
Lead sponsor: Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center; Other
Eligibility: 18 Years to 40 Years · Male only
Enrollment: 100 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2020 – 2026
U.S. locations: 1
States / cities: Torrance, California

Conditions: NAFLD
Interventions: Dietary intervention with very low calorie diet (VLCD), Control Arm; Dietary Supplement · Other
Lead sponsor: University of Iowa; Other
Eligibility: 18 Years to 70 Years
Enrollment: 20 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2026
U.S. locations: 1
States / cities: Iowa City, Iowa

Conditions: Overweight/Obesity, Puberty, Health Behavior, Cardiometabolic Health
Interventions: Family-Based Treatment (FBT); Behavioral
Lead sponsor: University of Washington; Other
Eligibility: 6 Years to 8 Years · Female only
Enrollment: 240 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2030
U.S. locations: 1
States / cities: Seattle, Washington

Conditions: Osteoarthritis of Knee
Interventions: Triamcinolone Acetonide Low Dose, Triamcinolone Acetonide Standard Dose; Drug
Lead sponsor: Mayo Clinic; Other
Eligibility: 55 Years to 85 Years
Enrollment: 40 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2027
U.S. locations: 1
States / cities: Jacksonville, Florida

Conditions: Alzheimer Disease (AD), Cardio Vascular Disease, Mild Cognitive Impairment (MCI), Frailty Syndrome, Disability Physical, Hypertension, Metabolic Syndrome (MetS), Healthy Aging, Obesity &Amp; Overweight
Interventions: Not listed
Lead sponsor: Marymount University; Other
Eligibility: 50 Years and older
Enrollment: 500 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2025 – 2031
U.S. locations: 1
States / cities: Arlington, Virginia

Conditions: Healthy Participants, Obese But Otherwise Healthy Participants
Interventions: High fructose meal, Low fructose meal, 13C labeled fructose, oral, 13C labeled fructose, intravenous; Other
Lead sponsor: Touro University, California; Other
Eligibility: 20 Years to 55 Years
Enrollment: 40 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026 – 2030
U.S. locations: 1
States / cities: Vallejo, California

Conditions: Pediatric Obesity
Interventions: Meal Location; Behavioral
Lead sponsor: Penn State University; Other
Eligibility: 6 Years to 9 Years
Enrollment: 100 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2025 – 2027
U.S. locations: 1
States / cities: State College, Pennsylvania

Conditions: Nutrition, Healthy
Interventions: Food FARMacia Program, Self-directed meal preparation support; Behavioral
Lead sponsor: Stanford University; Other
Eligibility: 6 Months and older
Enrollment: 80 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2027
U.S. locations: 2
States / cities: Stanford, California • New York, New York

Conditions: Adolescent Obesity, Diabetes Mellitus
Interventions: Black Girls Move; Behavioral
Lead sponsor: Rush University Medical Center; Other
Eligibility: 12 Years to 18 Years · Female only
Enrollment: 120 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2026
U.S. locations: 1
States / cities: Chicago, Illinois

Conditions: Obesity & Overweight
Interventions: Redefine, Placebo; Dietary Supplement
Lead sponsor: Nature's Sunshine Products, Inc.; Industry
Eligibility: 35 Years to 65 Years
Enrollment: 80 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026
U.S. locations: 1
States / cities: Lehi, Utah

Conditions: Spinal Cord Injuries, Obesity, Metabolic Syndrome, Cardiovascular Diseases, Diet Habit
Interventions: Not listed
Lead sponsor: Baylor Research Institute; Other
Eligibility: 18 Years and older
Enrollment: 42 participants
Timeline: 2018 – 2022
U.S. locations: 1
States / cities: Dallas, Texas

Conditions: Obesity and Overweight, Nutrition, Chronic Disease, Diabetes, Pregnancy
Interventions: Self-Management, Community-Based; Behavioral
Lead sponsor: Stanford University; Other
Eligibility: 18 Years and older · Female only
Enrollment: 795 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026 – 2030
U.S. locations: 4
States / cities: Palo Alto, California • Flushing, New York • New York, New York

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

Project 1: Diet and Exercise Modulate the Sperm Epigenome in Men

Effect of VLCD on the Reduction of Liver Steatosis and Fibrosis in Subjects With Obesity and NAFLD

Improving Health Among Disadvantaged Girls to Slow Pubertal Onset and Reduce Long-term Health Risks

Knee Injections for Obese Patients With Knee Arthritis

Arlington Longitudinal Optimal Healthy Aging Study (ALOHA)

Fructose Intestinal Gluconeogenesis

Monitoring Eating Across Locations (MEAL) - Timing, Intake, and Mealtime Evaluation (TIME)

Food FARMacia: Reducing Childhood Obesity in Households With Food Insecurity

Black Girls Move Physical Activity and Improving Dietary Intake Among Black Adolescent Daughters

Safety and Tolerability of a Nutritional Formula Designed to Aid in Maintenance of Muscle During Periods of Caloric Restriction in Adults

The SEEA (SCI Energy Expenditure and Activity) Study

CHIME: Comparing Health Interventions for Maternal Equity

About this Obesity clinical trials directory page