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Showing 1–24 of 1,549 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Body Weight Change Clear all
Completed No phase listed Observational

Association of Genes to Resistance to Weight Loss in Obese Patients

NCT00858221
View directory record Official record
Conditions
Obesity, Metabolic Syndrome, Dyslipidemia
Interventions
Not listed
Lead sponsor
Interleukin Genetics, Inc.
Industry
Eligibility
21 Years to 70 Years
Enrollment
824 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 19, 2009 · Synced Jul 21, 2026, 4:05 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Impact of Metabolic Flexibility on Changes in Metabolic Health

NCT06340321
View directory record Official record
Conditions
Obesity, Metabolic Syndrome
Interventions
Metabolic flexibility in the fasted state, Metabolic flexibility in euglycemic-hyperinsulinemic clamp, Metabolic flexibility in the metabolic chamber
Diagnostic Test · Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
20 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 3, 2025 · Synced Jul 21, 2026, 4:05 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

TARGETing Healthy Weight Loss in the Context of Food Insecurity

NCT05601804
View directory record Official record
Conditions
Obesity, Food Insecurity, Food Security, Body Weight
Interventions
Not listed
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Jul 21, 2026, 4:05 PM EDT
Completed Not applicable Interventional

The Impact of Time Restricted Feeding (TRF) in Improving the Health of Patients With Metabolic Syndrome

NCT03182985
View directory record Official record
Conditions
Weight Loss, Metabolic Syndrome, Overweight and Obesity
Interventions
Time Restricted Feeding
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jan 10, 2021 · Synced Jul 21, 2026, 4:05 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Modifying Obesogenic Homes: Impact on Weight Maintenance

NCT00200330
View directory record Official record
Conditions
Obesity
Interventions
Behavioral weight loss treatment, Behavioral and home environment weight loss treatment
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
21 Years to 70 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Apr 17, 2007 · Synced Jul 21, 2026, 4:05 PM EDT
Not listed Phase 2Phase 3 Interventional

The Effects of Exenatide After Gastric Restriction

NCT00872378
View directory record Official record
Conditions
Morbid Obesity
Interventions
Exenatide, Placebo
Drug
Lead sponsor
Advanced Specialty Care
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
2
States / cities
Bend, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 30, 2009 · Synced Jul 21, 2026, 4:05 PM EDT
Completed Not applicable Interventional Results available

Pilot of Lifestyle and Asthma Intervention

NCT03291808
View directory record Official record
Conditions
Asthma
Interventions
Weight loss intervention
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
2
States / cities
Tucson, Arizona • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Sep 20, 2022 · Synced Jul 21, 2026, 4:05 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Observational Study of Wearable Health Monitoring Device

NCT05368389
View directory record Official record
Conditions
Weight Loss
Interventions
Healthdot attachment
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
22 Years to 60 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 27, 2024 · Synced Jul 21, 2026, 4:05 PM EDT
Completed Not applicable Interventional

Development of Fluid Intake App for Management of Fluid Intake During Hemodialysis

NCT03759847
View directory record Official record
Conditions
Weight Gain
Interventions
Fluid intake app, Survey
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 8, 2024 · Synced Jul 21, 2026, 4:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Activity, Rheumatoid and Osteoarthritis, and Weight Management

NCT00365404
View directory record Official record
Conditions
Rheumatoid Arthritis, Osteoarthritis
Interventions
Diet and exercise promotion
Behavioral
Lead sponsor
HealthPartners Institute
Other
Eligibility
18 Years and older
Enrollment
465 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
1
States / cities
Saint Louis Park, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 25, 2015 · Synced Jul 21, 2026, 4:05 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Benefits of Walnuts for Male Reproductive Health

NCT01505140
View directory record Official record
Conditions
Infertility, Nutrition Disorders
Interventions
Whole walnuts
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 35 Years · Male only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 27, 2016 · Synced Jul 21, 2026, 4:05 PM EDT
Completed No phase listed Observational

Post-delivery Maternal-offspring Obesity and Metabolic Risk After a Prepregnancy Weight-loss Intervention

NCT06067126
View directory record Official record
Conditions
Overweight, Obese, Metabolic Disorders, Postpartum
Interventions
Not listed
Lead sponsor
Kaiser Permanente
Other
Eligibility
Female only
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 28, 2024 · Synced Jul 21, 2026, 4:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Charge: A Text Messaging-based Weight Loss Intervention

NCT03254940
View directory record Official record
Conditions
Weight Loss, Obesity
Interventions
Charge
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Enrollment
534 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 9, 2025 · Synced Jul 21, 2026, 4:05 PM EDT
Completed Phase 3 Interventional

Etanercept in Treating Cancer-Related Cachexia and Anorexia in Patients With Advanced Cancer

NCT00046904
View directory record Official record
Conditions
Anorexia, Cachexia, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
etanercept
Biological
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
19
States / cities
Mobile, Alabama • Scottsdale, Arizona • Jacksonville, Florida + 16 more
Source: ClinicalTrials.gov public record
Updated May 4, 2011 · Synced Jul 21, 2026, 4:05 PM EDT
Completed Phase 3 Interventional

Weight Loss Study for People With Type 2 Diabetes

NCT01601574
View directory record Official record
Conditions
Type 2 Diabetes, Overweight, Obesity
Interventions
Weight Watchers modified program, Standard Care group
Behavioral · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 70 Years
Enrollment
563 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
15
States / cities
Birmingham, Alabama • La Jolla, California • Augusta, Georgia + 11 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2014 · Synced Jul 21, 2026, 4:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Gender- and Culturally-Sensitive Weight Loss Intervention for Hispanic Males

NCT02783521
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Counseling sessions, Wait List Control
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 64 Years · Male only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 31, 2017 · Synced Jul 21, 2026, 4:05 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The Maternal Well-Being Study

NCT05484999
View directory record Official record
Conditions
Postpartum Depression, Postpartum Anxiety, Weight Retention, Postpartum, Nutritional and Metabolic Diseases
Interventions
Meals, Meals + Social Support, Control
Other
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
18 Years and older · Female only
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Amarillo, Texas
Source: ClinicalTrials.gov public record
Updated Aug 28, 2024 · Synced Jul 21, 2026, 4:05 PM EDT
Recruiting Not applicable Interventional

Microrandomized Trial to Optimize Use of Burden-reducing Self-monitoring Approaches in Behavioral Obesity Treatment

NCT07228130
View directory record Official record
Conditions
Obesity & Overweight
Interventions
Online Behavioral Obesity Treatment, Full Dietary Self-monitoring, Reduced-frequency Dietary Self-monitoring, Self-Monitoring of Dietary Lapses Only, Smartwatch-based Self-monitoring of Energy Intake, Self-monitoring of Body Weight Only
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
275 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced Jul 21, 2026, 4:05 PM EDT
Completed Not applicable Interventional

A Web-based Approach to Treating Cardiovascular Disease Risk in Employees With Metabolic Syndrome

NCT01912209
View directory record Official record
Conditions
Metabolic Syndrome, Cardiovascular Disease, Atherosclerosis, Obesity
Interventions
My Everyday Health
Behavioral
Lead sponsor
Baptist Health South Florida
Other
Eligibility
18 Years and older
Enrollment
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 19, 2015 · Synced Jul 21, 2026, 4:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Internet Obesity Treatment Enhanced With Motivational Interviewing

NCT01232699
View directory record Official record
Conditions
Obesity
Interventions
Internet Obesity Treatment, Internet Obesity Treatment with MI, Contingent MI
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
495 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
2
States / cities
Little Rock, Arkansas • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Dec 23, 2018 · Synced Jul 21, 2026, 4:05 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Reversal of Lipid-Induced Insulin Resistance

NCT02193295
View directory record Official record
Conditions
Insulin Resistance, NAFLD
Interventions
Caloric Restriction
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 90 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2034
U.S. locations
2
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Jul 21, 2026, 4:05 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 27, 2009 · Synced Jul 21, 2026, 4:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Delicious Eating for Life in Southern Homes

NCT04302727
View directory record Official record
Conditions
Weight Loss, Diet, Healthy, Cardiovascular Risk Factor
Interventions
Med-South Weight Loss Intervention, WW
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 75 Years
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 2, 2025 · Synced Jul 21, 2026, 4:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Weight Loss and Cognitive Function in Adults

NCT03685305
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Hypocaloric diet with hunger reduction strategy, Hypocaloric diet without hunger reduction strategy
Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
50 Years to 75 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Blacksburg, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 20, 2025 · Synced Jul 21, 2026, 4:05 PM EDT