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ClinicalTrials.gov public records Last synced Oct 22, 2026, 12:57 AM EDT

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Showing 1–24 of 36 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Weight Regain Clear all
Completed Phase 3 Interventional

Obese Patients With or Without Comorbidities (RIO-North America)

NCT00029861
View directory record Official record
Conditions
Obesity, Weight Loss
Interventions
Rimonabant (SR141716)
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
3,045 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
47
States / cities
Birmingham, Alabama • Phoenix, Arizona • Concord, California + 42 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2009 · Synced Oct 22, 2026, 12:57 AM EDT
Withdrawn Phase 4 Interventional

Efficacy of Naltrexone HCl/Bupropion HCl Extended Release Versus Placebo for Treatment of Weight Regain in Participants Post Bariatric Surgery

NCT02616315
View directory record Official record
Conditions
Weight Regain Post Bariatric Surgery
Interventions
Naltrexone HCl/Bupropion HCl Placebo, Naltrexone HCl/Bupropion HCl
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
2
States / cities
Chicago, Illinois • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 8, 2016 · Synced Oct 22, 2026, 12:57 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Adaptive Responses to Overfeeding and Weight

NCT03857048
View directory record Official record
Conditions
Obesity
Interventions
Weight Loss, Exercise training, Overfeeding
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
30 Years to 50 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 7, 2023 · Synced Oct 22, 2026, 12:57 AM EDT
Completed No phase listed Observational

Laparoscopic Revision Gastric Bypass for Weight Recidivism

NCT01040572
View directory record Official record
Conditions
Weight Regain, Weight Recidivism, Obesity Recidivism, Clinically Severe Obesity
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Fresno, California
Source: ClinicalTrials.gov public record
Updated Dec 29, 2009 · Synced Oct 22, 2026, 12:57 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Engaging Motivation for the Prevention of Weight Regain

NCT01169428
View directory record Official record
Conditions
Obesity
Interventions
Mindfulness Based Weight Loss Maintenance (MBWLM), Behavioral: Standard Behavioral Weight-Loss Maintenence
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
2
States / cities
Durham, North Carolina • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 14, 2013 · Synced Oct 22, 2026, 12:57 AM EDT
Not yet recruiting Phase 4 Interventional

Switching to Oral Weight Management Pharmacotherapy to Prevent Weight Regain After GLP-1 Therapy Discontinuation

NCT07729332
View directory record Official record
Conditions
Obesity
Interventions
Phentermine Pill, Orforglipron
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Oct 22, 2026, 12:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Eating Mindfully to Prevent Weight Regain

NCT04847843
View directory record Official record
Conditions
Weight Loss, Weight Gain, Eating Behavior, Obesity, Bariatric Surgery Candidate
Interventions
Mindfulness Orientated Recovery Enhancement, Control Intervention
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Oct 22, 2026, 12:57 AM EDT
Completed No phase listed Observational

Quantifying the Persistence of Metabolic Adaptation and Weight Regain Following Extreme Weight Loss

NCT02544009
View directory record Official record
Conditions
Energy Expenditure
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 22, 2025 · Synced Oct 22, 2026, 12:57 AM EDT
Recruiting Not applicable Interventional

Motivating Increases in Physical Activity for Prevention of Weight Regain After Metabolic Bariatric Surgery

NCT06484621
View directory record Official record
Conditions
Obesity
Interventions
Acceptance and Commitment Therapy-Based Physical Activity Intervention, Physical Activity Education Control
Behavioral
Lead sponsor
Hartford Hospital
Other
Eligibility
18 Years to 64 Years
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 22, 2026, 12:57 AM EDT
Completed Phase 2 Interventional

Role of Pharmacotherapy in Counteracting Weight Regain in Adolescents With Severe Obesity

NCT04298203
View directory record Official record
Conditions
Obesity
Interventions
Phentermine-Topiramate, Meal Replacement Therapy, Placebo
Drug · Dietary Supplement · Other
Lead sponsor
University of Minnesota
Other
Eligibility
12 Years to 18 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Oct 22, 2026, 12:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Using the Energy Gap to Prevent Weight Regain

NCT00429650
View directory record Official record
Conditions
Obesity
Interventions
increased exercise, diet, Exercise and Diet
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
19 Years to 45 Years
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2014
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 28, 2019 · Synced Oct 22, 2026, 12:57 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Weight Regain Study After Bariatric Surgery-A Pilot Project

NCT02754453
View directory record Official record
Conditions
Behavioral, Activity, Weight Loss
Interventions
Behavioral lifestyle intervention
Behavioral
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 28, 2016 · Synced Oct 22, 2026, 12:57 AM EDT
Completed No phase listed Observational

EMPOWER-PULM (PULMonary Outcomes in Older Adults Empowered With Movement to Prevent Obesity and Weight Regain)

NCT03621098
View directory record Official record
Conditions
Obesity, Pulmonary Disease, Dyspnea
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
65 Years to 85 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 6, 2019 · Synced Oct 22, 2026, 12:57 AM EDT
Completed Not applicable Interventional

Feasibility and Preliminary Efficacy of a Reverse Diet as a Novel Weight Loss Maintenance Strategy for Weight-Reduced Adults With Overweight/Obesity

NCT03560635
View directory record Official record
Conditions
Overweight and Obesity, Weight Loss Maintenance, Dietary Habits
Interventions
Weight Loss Maintenance (Control vs. Reverse Diet)
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 19, 2022 · Synced Oct 22, 2026, 12:57 AM EDT
Completed Not applicable Interventional Results available

Empowered With Movement to Prevent Obesity and Weight Regain

NCT02923674
View directory record Official record
Conditions
Obesity, Weight Loss, Sedentary Lifestyle
Interventions
Weight loss, Exercise, Sitless
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
65 Years to 85 Years
Enrollment
183 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 23, 2022 · Synced Oct 22, 2026, 12:57 AM EDT
Completed No phase listed Observational

Roux-en-Y Gastric Bypass and Weight Regain

NCT02302898
View directory record Official record
Conditions
Obesity
Interventions
Eating Behavior Evaluation, Measurement of Functional gastric volume, Measurement of gastric pouch and GJ size
Behavioral · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
21 Years to 60 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 9, 2018 · Synced Oct 22, 2026, 12:57 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Testing a Tailored Approach to Long-Term Weight Loss Success

NCT07577765
View directory record Official record
Conditions
Weight Loss, Weight Regain, Obesity & Overweight
Interventions
Adaptive weight regain prevention
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Oct 22, 2026, 12:57 AM EDT
Active, not recruiting Not applicable Interventional

Napoleon Measurement of Gastrojejunal Anastomosis

NCT04832282
View directory record Official record
Conditions
Gastric Bypass, Weight Regain
Interventions
Napoleon, Visual estimation
Device · Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 90 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
2
States / cities
Boston, Massachusetts • New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced Oct 22, 2026, 12:57 AM EDT
Completed Not applicable Interventional

Changes in Gut Hormones, Body Composition and Energy Expenditure After Roux-en-Y

NCT02048501
View directory record Official record
Conditions
Obesity, Weight Loss
Interventions
Resting Metabolic Rate (RMR), Duel-energy x-ray absorptiometry (DEXA), Visual Analog Scale (VAS), Meal Stimulation Test
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 26, 2017 · Synced Oct 22, 2026, 12:57 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Gut Microbiota Post Roux-en-Y Gastric Bypass Surgery

NCT02654496
View directory record Official record
Conditions
Obesity
Interventions
Meal challenge
Other
Lead sponsor
North Dakota State University
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Aug 23, 2018 · Synced Oct 22, 2026, 12:57 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Weight Regain Treatment Post-Bariatric Surgery

NCT04662801
View directory record Official record
Conditions
Obesity, Overweight
Interventions
Behavioral Weight Loss (BWL), Early Responder: BWL continued, Early Non-responder: BWL continued with medication added
Behavioral · Combination Product
Lead sponsor
Yale University
Other
Eligibility
18 Years to 70 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 13, 2023 · Synced Oct 22, 2026, 12:57 AM EDT
Completed Not applicable Interventional

A Psychological and Behavioral Intervention for Post-Bariatric Patients

NCT01453517
View directory record Official record
Conditions
Obesity
Interventions
Behavioral intervention for regain after bariatric surgery
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 18, 2011 · Synced Oct 22, 2026, 12:57 AM EDT
Recruiting Not applicable Interventional

Randomized Study on Transoral Outlet Reduction and Lifestyle Changes for Weight Regain After Gastric Bypass

NCT07015424
View directory record Official record
Conditions
Weight Regain, Weight Loss
Interventions
TORe with OverStitch, Intensive lifestyle modification
Device · Behavioral
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
12
States / cities
Irvine, California • Stanford, California • Jacksonville, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 22, 2026, 12:57 AM EDT
Recruiting Not applicable Interventional

A Study to Investigate Why Overweight People Regain Weight After Losing Weight in a Behavioral Weight Loss Program

NCT05748158
View directory record Official record
Conditions
Obesity
Interventions
Weight loss
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
25 Years to 59 Years
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
3
States / cities
New York, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 22, 2026, 12:57 AM EDT