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ClinicalTrials.gov public records Last synced Oct 17, 2026, 11:03 AM EDT

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Showing 793–816 of 893 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Weight loss diet Clear all
Completed Phase 2 Interventional Results available

Qsymia as an Adjunct to Surgical Therapy in the Superobese

NCT02301416
View directory record Official record
Conditions
Obesity, Metabolic Surgery, Weight Loss, Bariatric Surgery Procedures
Interventions
Phentermine/topiramate, low calorie diet
Drug · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 4, 2019 · Synced Oct 17, 2026, 11:03 AM EDT
Completed Not applicable Interventional

Energy Balance for Prostate Cancer Survivorship

NCT02252484
View directory record Official record
Conditions
Prostate Cancer
Interventions
Weight Loss Program, Standard of Care
Other
Lead sponsor
Jill Hamilton-Reeves, PhD RD LD
Other
Eligibility
50 Years to 72 Years · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 7, 2016 · Synced Oct 17, 2026, 11:03 AM EDT
Completed Phase 1 Interventional

Insulin Resistance and Reward Signaling in Obesity

NCT02241603
View directory record Official record
Conditions
Obesity
Interventions
Weight loss
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
25 Years to 60 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Oct 17, 2026, 11:03 AM EDT
Completed Not applicable Interventional

Stress, Dietary Lapse and Weight Loss Among Adults With Type 2 Diabetes

NCT00831194
View directory record Official record
Conditions
Obesity, Type 2 Diabetes
Interventions
Personalized diet plan and PDA self reporting.
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
21 Years to 65 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 2, 2012 · Synced Oct 17, 2026, 11:03 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Engaging Men in Weight Loss With a Game-based mHealth and Neurotraining Program

NCT05408494
View directory record Official record
Conditions
Obesity, Weight Loss
Interventions
Gamified behavioral weight loss treatment, mHealth behavioral weight loss treatment
Behavioral
Lead sponsor
Drexel University
Other
Eligibility
18 Years to 65 Years
Enrollment
228 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Oct 17, 2026, 11:03 AM EDT
Completed Not applicable Interventional Results available

Time Course Adaptations Using Deuterated Creatine (D3Cr) Method

NCT03573583
View directory record Official record
Conditions
Sarcopenia
Interventions
Resistance Training, Successful Aging
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
70 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
2
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 3, 2024 · Synced Oct 17, 2026, 11:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Feasibility Study of Receiving Feedback Messages Based on Self-monitored Dietary Intake

NCT02829632
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Group Sessions, Feedback, Self-monitoring
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 5, 2016 · Synced Oct 17, 2026, 11:03 AM EDT
Completed Not applicable Interventional Results available

Multimodel Exercise and Weight Loss in Older Obese Veterans With Dysmobility

NCT02806336
View directory record Official record
Conditions
Obesity, Dysmobility
Interventions
Multi Modal Balance Training (MMBI), Weight Loss (WL)
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
60 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 9, 2025 · Synced Oct 17, 2026, 11:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing the Effects of Active Surveillance Stress, Uncertainty and Rumination Thru Engagement in Mindfulness Education

NCT02871752
View directory record Official record
Conditions
Prostate Cancer
Interventions
Health promotion
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
4
States / cities
Chicago, Illinois • Evanston, Illinois • Ann Arbor, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 13, 2023 · Synced Oct 17, 2026, 11:03 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Effects of Leptin Treatment on Weight Loss

NCT00050791
View directory record Official record
Conditions
Obesity
Interventions
Leptin, Very Low Calorie Diet
Drug · Behavioral
Lead sponsor
Rockefeller University
Other
Eligibility
20 Years to 45 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 19, 2010 · Synced Oct 17, 2026, 11:03 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Comparison of Popular Weight Loss Diets

NCT00079573
View directory record Official record
Conditions
Obesity
Interventions
Atkins diet (extremely low carbohydrate), Zone diet (low carbohydrate, high protein), Ornish diet (very low fat)
Behavioral
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
30 Years to 50 Years · Female only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Aug 18, 2006 · Synced Oct 17, 2026, 11:03 AM EDT
Completed Not applicable Interventional

Valued EpiGenetic Glycemic ImprovEments Through Weight Loss

NCT02869659
View directory record Official record
Conditions
Obesity, Pre-diabetes
Interventions
Weight Loss Group, Delayed Weight Loss
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
40 Years to 65 Years
Enrollment
138 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 Dec 31, 2020 · Synced Oct 17, 2026, 11:03 AM EDT
Completed Not applicable Interventional

Impact of GBS on CVD in Type 2 Diabetes Mellitus

NCT00787670
View directory record Official record
Conditions
Obesity, Type 2 Diabetes Mellitus
Interventions
Diabetes Support and Education, gastric bypass surgery, Tissue Control Group
Other · Procedure
Lead sponsor
Duke University
Other
Eligibility
18 Years to 60 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 5, 2013 · Synced Oct 17, 2026, 11:03 AM EDT
Completed Not applicable Interventional

Safety, Tolerability, and Sustained Weight Loss of Endoscopic Sleeve Gastroplasty With Diet Modification and Exercise

NCT03206905
View directory record Official record
Conditions
Obesity
Interventions
Endoscopic Sleeve Gastroplasty, Diet and Exercise
Procedure · Behavioral
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 65 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 15, 2022 · Synced Oct 17, 2026, 11:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Diet, Exercise, Metabolism, and Obesity in Older Women

NCT00664729
View directory record Official record
Conditions
Abdominal Obesity, Metabolic Syndrome
Interventions
Caloric Restriction, Caloric Restriction + Low-Intensity aerobic exercise, Caloric Restriction plus High-intensity aerobic exercise
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
50 Years to 70 Years · Female only
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2008
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 1, 2018 · Synced Oct 17, 2026, 11:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Trial of a Water Beverage Intervention for Promoting Modest Weight Reduction in Free Living Adults

NCT01017783
View directory record Official record
Conditions
Obesity
Interventions
Dietary substitution A, Dietary Substitution B, Healthy Choices
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
318 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 3, 2011 · Synced Oct 17, 2026, 11:03 AM 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 3, 2025 · Synced Oct 17, 2026, 11:03 AM EDT
Active, not recruiting Not applicable Interventional Results available

A Study of Endoscopic Sleeve Gastroplasty for Obesity in Ulcerative Colitis

NCT05739162
View directory record Official record
Conditions
Obesity, Ulcerative Colitis
Interventions
Apollo Endoscopic Suture System, Lifestyle Intervention
Device · Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
22 Years to 69 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 17, 2026, 11:03 AM EDT
Completed Not applicable Interventional Results available

Adaptation of a Digital Weight Loss Intervention Promoting Self-regulation for Use in Type 2 Diabetes

NCT03650088
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Overweight and Obesity
Interventions
Behavioral weight loss with digital tools
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 13, 2023 · Synced Oct 17, 2026, 11:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Intervention Examining Tracking With Mobile Devices

NCT02632461
View directory record Official record
Conditions
Obesity
Interventions
Podcasts, Mobile Diet Application, Bite Counter
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 18, 2019 · Synced Oct 17, 2026, 11:03 AM EDT
Completed Not applicable Interventional Results available

Health, Aging and Later-Life Outcomes

NCT05424042
View directory record Official record
Conditions
Aging
Interventions
In-Person Caloric Restriction, Remote Caloric Restriction, Time-restricted
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
60 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 27, 2025 · Synced Oct 17, 2026, 11:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of a High Protein, High Fiber Dietary Supplement on Weight and Fat Loss

NCT03057873
View directory record Official record
Conditions
Overweight
Interventions
High protein, high fiber dietary supplement, Placebo
Dietary Supplement
Lead sponsor
Beachbody
Industry
Eligibility
25 Years to 50 Years
Enrollment
206 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 4, 2019 · Synced Oct 17, 2026, 11:03 AM EDT
Completed Not applicable Interventional

Lifestyle Intervention to Improve Bone Quality

NCT03329963
View directory record Official record
Conditions
Aging, Obesity
Interventions
Healthy Lifestyle Intervention, Lifestyle Intervention
Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
65 Years to 85 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 6, 2025 · Synced Oct 17, 2026, 11:03 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Diet and Migraine Study

NCT01859052
View directory record Official record
Conditions
Migraine, Obesity
Interventions
Low carbohydrate diet, Low calorie low fat diet, AHA diet recommendations
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
19 Years to 49 Years · Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 2, 2015 · Synced Oct 17, 2026, 11:03 AM EDT