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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Weight Loss Plus Clear all
Not listed Phase 3 Interventional Accepts healthy volunteers

Treating Adults at Risk for Weight Gain With Interactive Technology

NCT01199185
View directory record Official record
Conditions
Smoking, Body Weight
Interventions
Smoking Cessation, Smoking Cessation plus Weight Loss
Behavioral
Lead sponsor
University of Tennessee
Other
Eligibility
18 Years to 35 Years
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 17, 2013 · Synced Sep 24, 2026, 10:20 AM EDT
Completed Phase 3 Interventional

8-week Pilot Study of Relaxation for Weight Loss in Adults With Chronic Kidney Disease

NCT00944138
View directory record Official record
Conditions
Obesity
Interventions
Relaxation methods
Behavioral
Lead sponsor
Edward Hines Jr. VA Hospital
Federal
Eligibility
18 Years to 88 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Hines, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 27, 2010 · Synced Sep 24, 2026, 10:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Parents as the Agent of Change for Childhood Obesity

NCT01197443
View directory record Official record
Conditions
Obesity
Interventions
Parent-only Group, Parent + Child Group
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
8 Years to 12 Years
Enrollment
152 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Dec 1, 2015 · Synced Sep 24, 2026, 10:20 AM EDT
Completed Not applicable Interventional Results available

Coach to Fit Weight Loss Intervention for Individuals With Serious Mental Illness

NCT04560335
View directory record Official record
Conditions
Serious Mental Illness
Interventions
Coach to FIt, Treatment as Usual
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
257 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 24, 2026, 10:20 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

The Effect of Bariatric Surgery on Metabolism, the Metabolome and Microbiome in Patients With Type 2 Diabetes

NCT02762708
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Obesity
Interventions
Roux-en-Y Gastric Bypass (RYGB), Caloric Restriction, Exendin-9,39, Normal Saline
Procedure · Behavioral · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
20 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 2, 2022 · Synced Sep 24, 2026, 10:20 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Diet and Exercise Plus Metformin to Treat Frailty in Obese Seniors

NCT04221750
View directory record Official record
Conditions
Frailty, Sarcopenic Obesity, Aging
Interventions
Lifestyle therapy, Metformin Hydrochloride, Placebo, Healthy Lifestyle
Behavioral · Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
65 Years to 85 Years
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 13, 2026 · Synced Sep 24, 2026, 10:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutrition, Exercise, and Technology for Weight Loss

NCT02731768
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Standard, Social support-enhanced, Fitbit Zip, Digital body weight scale
Behavioral · Device
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 17, 2018 · Synced Sep 24, 2026, 10:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Location-based Smartphone Technology to Guide College Students Healthy Choices Ph II

NCT02996864
View directory record Official record
Conditions
Overweight and Obesity, Health Behavior, Sleep Deprivation
Interventions
Healthy Detours App, Fat Secret App
Other
Lead sponsor
Klein Buendel, Inc.
Industry
Eligibility
18 Years to 29 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
2
States / cities
Golden, Colorado • Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Feb 5, 2023 · Synced Sep 24, 2026, 10:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Physical Activity Following Surgery Induced Weight Loss

NCT00692367
View directory record Official record
Conditions
Obesity
Interventions
Physical Activity
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
21 Years to 60 Years
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
2
States / cities
Greenville, North Carolina • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 3, 2014 · Synced Sep 24, 2026, 10:20 AM EDT
Completed Not applicable Interventional

Behavioral CVD Prevention Using Informatics

NCT02752464
View directory record Official record
Conditions
Health Behavior
Interventions
Counseling, feedback report
Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 1, 2018 · Synced Sep 24, 2026, 10:20 AM EDT
Completed Phase 4 Interventional Results available

A Toolbox Approach to Obesity Treatment in Primary Care

NCT01922934
View directory record Official record
Conditions
Obesity
Interventions
Commercial weight loss program, Colorado Weigh, Meal replacements, Obesity pharmacotherapy, Recreation center passes
Behavioral · Dietary Supplement · Drug
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
18 Years to 80 Years
Enrollment
4,730 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 17, 2017 · Synced Sep 24, 2026, 10:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Parents and Children Together Preventing Diabetes (PACT PD)

NCT01819493
View directory record Official record
Conditions
Diabetes Prevention
Interventions
Lifestyle Intervention, Standard Family-Based intervention
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
8 Years and older
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 14, 2018 · Synced Sep 24, 2026, 10:20 AM EDT
Completed Not applicable Interventional Results available

Healthy Lifestyles for Mentally Ill People Who Have Experienced Weight Gain From Their Antipsychotic Medications

NCT00344500
View directory record Official record
Conditions
Diabetes, Obesity, Weight Gain
Interventions
Behavioral Weight Loss Program
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 70 Years
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
West Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 5, 2016 · Synced Sep 24, 2026, 10:20 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Optimizing an Extended Care Intervention to Promote Weight Loss Maintenance

NCT06785064
View directory record Official record
Conditions
Obesity Prevention, Weight Change, Weight Loss, Weight Loss Maintenance
Interventions
Reduced Food Variety (RFV), Home-based Resistance Training (HBRT), Buddy Training and Support (BTS), Acceptance and Commitment (ACT) Workshops
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
544 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Sep 24, 2026, 10:20 AM EDT
Recruiting Not applicable Interventional

Effects of Exercise on Lipids and Endothelial Function in Youth

NCT07409064
View directory record Official record
Conditions
Obesity & Overweight
Interventions
Exercise Program
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
10 Years to 20 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Sep 24, 2026, 10:20 AM EDT
Completed Not applicable Interventional

Improving Diabetes Outcomes Through Lifestyle Change (IDOLc)Study

NCT01665989
View directory record Official record
Conditions
Type 2 Diabetes, Obesity
Interventions
Group Lifestyle Program, Usual Care
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 24, 2015 · Synced Sep 24, 2026, 10:20 AM EDT
Completed Not applicable Interventional

Evaluating Weight Loss Programs for Obese People at Risk for Heart Disease (The POWER Study)

NCT00783315
View directory record Official record
Conditions
Obesity
Interventions
Call-Center Directed (CCD) Weight Loss Program, In-Person Directed (IPD) Weight Loss Program, Self-Directed Weight Loss Program
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
415 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 4, 2018 · Synced Sep 24, 2026, 10:20 AM EDT
Completed Not applicable Interventional Results available

An Addiction-Based Mobile Health Weight Loss Intervention With Coaching

NCT03500835
View directory record Official record
Conditions
Pediatric Obesity, Mobile Technology, Addiction
Interventions
App, Coaching, Clinic: Modified KidsNFitness
Behavioral
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
14 Years to 18 Years
Enrollment
161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 5, 2024 · Synced Sep 24, 2026, 10:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Using Bite Counter for Weight Loss: A One-month Usability Trial to Test the Effectiveness of Using the Bite Counter

NCT02494674
View directory record Official record
Conditions
Obesity
Interventions
Bite Counter tracking
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 17, 2019 · Synced Sep 24, 2026, 10:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Remote Dietary Counseling to Promote Healthy Diet and Blood Pressure

NCT03700710
View directory record Official record
Conditions
Blood Pressure, High Blood Pressure, Dietary Modification, Overweight and Obesity
Interventions
Self-Guided Approach, Dietitian-led Approach
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
187 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
2
States / cities
Danville, Pennsylvania • Wilkes-Barre, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 27, 2021 · Synced Sep 24, 2026, 10:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Web Based Intervention to Reduce Weight Bias Among Dietitians

NCT04177784
View directory record Official record
Conditions
Intervention Video (I), Weight Control Video (C1), Weight Neutral Control Video (C2)
Interventions
Online Educational Videos
Other
Lead sponsor
Texas Tech University
Other
Eligibility
Not listed
Enrollment
166 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Jan 9, 2020 · Synced Sep 24, 2026, 10:20 AM EDT
Completed Phase 4 Interventional Results available

Semaglutide Treatment, Appetite, and Eating Behavior: Long-term Effects

NCT05548647
View directory record Official record
Conditions
Obesity
Interventions
Behavioral Treatment, Placebo, Semaglutide 2.4 MG/0.75 ML Subcutaneous Solution [WEGOVY]
Behavioral · Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 70 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 2, 2026 · Synced Sep 24, 2026, 10:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effects of Leucine on Body Weight

NCT00683826
View directory record Official record
Conditions
Overweight, Obesity
Interventions
L-Leucine 8gr, Liquid meal, L-Leucine 4g
Dietary Supplement · Other
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 4, 2013 · Synced Sep 24, 2026, 10:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Keep It Off: A Weight Loss Maintenance Study

NCT00702455
View directory record Official record
Conditions
Weight Loss Maintenance
Interventions
Self-Directed (weight loss maintenance), Guided (weight loss maintenance)
Behavioral
Lead sponsor
HealthPartners Institute
Other
Eligibility
19 Years to 70 Years
Enrollment
419 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2012
U.S. locations
1
States / cities
Bloomington, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 20, 2012 · Synced Sep 24, 2026, 10:20 AM EDT