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ClinicalTrials.gov public records Last synced Oct 7, 2026, 6:45 PM EDT

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Showing 73–96 of 2,308 matching trials from the live ClinicalTrials.gov search.
Filters: "weight loss" Condition: Obesity Clear all
Terminated Not applicable Interventional

Psychology of Minimally Invasive Surgical Scars

NCT03004560
View directory record Official record
Conditions
Obesity
Interventions
Standard Laparoscopic Approach, Percutaneous Approach
Procedure
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 10, 2020 · Synced Oct 7, 2026, 6:45 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Calorie Restriction and Changes in Body Composition, Disease, Function, and Quality of Life in Older Adults

NCT00955903
View directory record Official record
Conditions
Obesity, Diabetes, Hypertension, Hyperlipidemia
Interventions
Exercise, Reduced Calorie Diet, Weight Maintenance Diet
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
65 Years and older
Enrollment
167 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 5, 2017 · Synced Oct 7, 2026, 6:45 PM EDT
Completed Phase 2 Interventional Results available

Metformin to Treat Obesity in Children With Insulin Resistance

NCT00005669
View directory record Official record
Conditions
Hyperinsulinemia, Obesity
Interventions
Metformin HCL, Placebo
Drug
Lead sponsor
Jack Yanovski, M.D.
NIH
Eligibility
6 Years to 12 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 8, 2015 · Synced Oct 7, 2026, 6:45 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Phase IIb One Year Efficacy and Safety Study of S-2367 in Obese Subjects With Initial 6-Week Low Calorie Diet

NCT00748605
View directory record Official record
Conditions
Obesity
Interventions
S-2367 Placebo, S-2367 1600 mg q.d. 54 Weeks, S-2367 1600 mg q.d. 60 weeks, LCD (low calorie diet), RCD (reduced calorie diet)
Drug · Other
Lead sponsor
Shionogi
Industry
Eligibility
18 Years to 65 Years
Enrollment
842 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
40
States / cities
Birmingham, Alabama • Huntsville, Alabama • Phoenix, Arizona + 37 more
Source: ClinicalTrials.gov public record
Updated May 11, 2018 · Synced Oct 7, 2026, 6:45 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

EBT Fruit and Vegetable Prescription

NCT05028205
View directory record Official record
Conditions
Childhood Obesity, Obesity
Interventions
Prevention Plus
Behavioral
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
4 Years to 10 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
2
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Oct 7, 2026, 6:45 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Strength Training for Obesity Prevention

NCT00030160
View directory record Official record
Conditions
Obesity
Interventions
Strength Training
Behavioral
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
25 Years to 44 Years · Female only
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2005
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 13, 2010 · Synced Oct 7, 2026, 6:45 PM EDT
Completed Not applicable Interventional

Postoperative Dietary Counseling After Bariatric Surgery

NCT00125073
View directory record Official record
Conditions
Obesity
Interventions
Postoperative nutritional counseling
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Timeline
2005
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 28, 2010 · Synced Oct 7, 2026, 6:45 PM EDT
Completed Not applicable Interventional

Collaborate2Lose: Involving Support Persons in Weight Management

NCT05448313
View directory record Official record
Conditions
Obesity
Interventions
Dyadic intervention, Veteran-only intervention
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 21, 2025 · Synced Oct 7, 2026, 6:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Gender and Culturally Specific Approach to Reduce NAFLD in Mexican-American Men

NCT04186260
View directory record Official record
Conditions
NAFLD
Interventions
NAFLD-specific weight loss intervention, Wait-list control
Behavioral · Other
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 64 Years · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 24, 2025 · Synced Oct 7, 2026, 6:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Diet and Whole-body Vibration Training on Cardiovascular and Autonomic Function

NCT01741779
View directory record Official record
Conditions
Obesity, Pre-hypertension, Hypertension
Interventions
Whole Body Vibration Training, Hypocaloric diet, Whole body vibration training & diet
Other
Lead sponsor
Florida State University
Other
Eligibility
45 Years to 65 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Dec 5, 2012 · Synced Oct 7, 2026, 6:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study to Evaluate a Postbiotic in Supporting Weight Loss and Metabolic Health

NCT06911073
View directory record Official record
Conditions
Obesity and Overweight
Interventions
Postbiotic, Placebo
Dietary Supplement
Lead sponsor
ResBiotic Nutrition, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Oct 7, 2026, 6:45 PM EDT
Terminated Not applicable Interventional

Bariatric Surgery for ESRD Patients vs Control

NCT00580762
View directory record Official record
Conditions
Obesity, ESRD
Interventions
Roux-en-y gastric bypass (RYGB)
Procedure
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 7, 2016 · Synced Oct 7, 2026, 6:45 PM EDT
Active, not recruiting No phase listed Observational

An Open Label 100 Person Study Evaluating a Natural Supplement for Weight Loss and Fat Loss.

NCT07152470
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Diet and Exercise Tracking
Behavioral
Lead sponsor
Prostasis, LLC, dba Tonum Health
Industry
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Timeline
2025
U.S. locations
1
States / cities
West Palm Beach, Florida
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Oct 7, 2026, 6:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Weight Maintenance Program Promoting Fat Loss in Pregnancy in Women With Obesity

NCT04731688
View directory record Official record
Conditions
Gestational Weight Gain, Obesity
Interventions
Weight Maintenance Group
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
2
States / cities
San Luis Obispo, California • Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Oct 7, 2026, 6:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Examining Cooking as a Health Behavior

NCT03783962
View directory record Official record
Conditions
Obesity
Interventions
Active Intervention - Cooking, Demonstrations - Cooking
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated May 17, 2021 · Synced Oct 7, 2026, 6:45 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Optimizing Body Composition for Function in Older Adults

NCT00315146
View directory record Official record
Conditions
Obesity, Overweight With Indications for Weight Loss
Interventions
Pioglitazone, Resistance exercise training to maximize muscle power, Hypocaloric diet, Placebo
Drug · Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
65 Years to 79 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 28, 2018 · Synced Oct 7, 2026, 6:45 PM EDT
Terminated No phase listed Observational

Recovery of Ventilation After General Anesthesia in Morbidly Obese Patients

NCT03925610
View directory record Official record
Conditions
Morbid Obesity, Opioid-Related Disorders, Surgery--Complications, Sleep Apnea Syndromes
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 22, 2021 · Synced Oct 7, 2026, 6:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin D, Diet and Activity Study

NCT01240213
View directory record Official record
Conditions
Breast Cancer, Obesity, Hypovitaminosis D
Interventions
Vitamin D, Placebo
Dietary Supplement
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
50 Years to 75 Years · Female only
Enrollment
218 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 7, 2013 · Synced Oct 7, 2026, 6:45 PM EDT
Terminated No phase listed Observational

Studies of Biological Changes Related to Weight Loss After Gastric Bypass Surgery

NCT00120562
View directory record Official record
Conditions
Obesity, Morbid Obesity, Weight Loss
Interventions
Gastric Bypass Surgery
Procedure
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 65 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2007
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 28, 2009 · Synced Oct 7, 2026, 6:45 PM EDT
Active, not recruiting No phase listed Observational

Effects of Weight Loss Surgery on Bone Health in Adolescents

NCT02557438
View directory record Official record
Conditions
Obesity, Surgery
Interventions
Roux-en-Y Gastric Bypass, Vertical Sleeve Gastrectomy
Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
13 Years to 25 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 25, 2025 · Synced Oct 7, 2026, 6:45 PM EDT
Recruiting Not applicable Interventional

Plant-Based Online Weight Loss Through Education and Resources Program and Study

NCT07095543
View directory record Official record
Conditions
Type 2 Diabetes, Overweight and Obese Adults
Interventions
Low-fat, vegan diet
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 7, 2026, 6:45 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Developing a Weight Management Class as a Recruitment Tool for an Online Weight Loss Program to Rural Illinois Residents

NCT06406985
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Weight-loss through dietary and lifestyle changes
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 3, 2025 · Synced Oct 7, 2026, 6:45 PM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

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

NCT05949008
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Oct 7, 2026, 6:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Online Family Dyadic Skills Training for Black Adults in Behavioral Weight Loss Program

NCT05981508
View directory record Official record
Conditions
Body Weight, Body Weight Changes, Obesity, Overweight and Obesity, Overweight, Behavior, Eating, Physical Inactivity, Chronic Disease, Weight Loss, Weight Reduction
Interventions
Together, Eating and Activity, Matter Plus (TEAM+) Online, Together, Eating and Activity, Matter Plus (TEAM+) In-Person
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 75 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 6, 2025 · Synced Oct 7, 2026, 6:45 PM EDT