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ClinicalTrials.gov public records Last synced Oct 12, 2026, 12:32 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 121–144 of 893 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Weight loss diet Clear all
Completed Not applicable Interventional Accepts healthy volunteers

High Quality Protein for Assisting With Weight Loss

NCT03085511
View directory record Official record
Conditions
Obesity
Interventions
Egg breakfast (EB), Weight Loss Counseling, Weight Loss Diet, Cereal Breakfast (CB)
Behavioral
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated May 30, 2019 · Synced Oct 12, 2026, 12:32 PM EDT
Active, not recruiting Not applicable Interventional

Evaluating the Influence of Diet-induced Weight Loss on Fat (Adipose) Tissue's Insulin Sensitivity and Testosterone Synthesis in Women With Overweight or Obesity, Insulin Resistance, and Hyperandrogenemia

NCT06998238
View directory record Official record
Conditions
Overweight and Obesity, Hyperandrogenemia, Insulin Resistance
Interventions
Mediterranean-based, carbohydrate restricted, calorie reduced diet
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
21 Years to 45 Years · Female only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced Oct 12, 2026, 12:32 PM 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 12, 2026, 12:32 PM 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 12, 2026, 12:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Nutrigenomics: Personalizing Weight Loss for Obese Veterans

NCT01859403
View directory record Official record
Conditions
Obesity
Interventions
Personalized Genomics, Usual Care
Genetic
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 13, 2021 · Synced Oct 12, 2026, 12:32 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Piloting a Generative Artificial Intelligence Chatbot in a Mobile Weight Loss Program

NCT07534254
View directory record Official record
Conditions
Overweight and/or Obesity
Interventions
AGILE Intervention, Chatbot
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 39 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 12, 2026, 12:32 PM EDT
Recruiting Not applicable Interventional

Brain Outcomes With Lifestyle Change in Down Syndrome

NCT05985486
View directory record Official record
Conditions
Down Syndrome, Alzheimer Disease, Obesity
Interventions
Diet, Health Education
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 64 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Oct 12, 2026, 12:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Addressing Weight Bias Internalization to Improve Adolescent Weight Management Outcomes: Open Trial

NCT06389656
View directory record Official record
Conditions
Body Weight, Weight Bias, Weight Stigma, Weight
Interventions
Behavioral Weight Management, Weight Bias Internalization
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
13 Years to 17 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Dec 22, 2025 · Synced Oct 12, 2026, 12:32 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Optimal Digital Weight Loss Treatment for Rural Individuals

NCT06105957
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Core, Facilitated Weekly Group Sessions, Counselor Crafted Feedback, Individual Coaching Calls, Pre-Scripted Feedback
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
616 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced Oct 12, 2026, 12:32 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

NDPP-NextGen: A Clinical Trial to Reduce Intergenerational Obesity and Diabetes Risks

NCT05674799
View directory record Official record
Conditions
Overweight or Obesity
Interventions
NDPP-NextGen
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 39 Years · Female only
Enrollment
403 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 12, 2026, 12:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Exogenous Ketones on Indices of Keto-Adaptation in Obese Subjects on Weight Reducing Diets.

NCT06449287
View directory record Official record
Conditions
Ketogenic Diet, Weight Loss
Interventions
Diet, Blood Draw, Ketone/Glucose Monitoring, Body Composition, Urine Analysis, Neuropsychological Measures - ANAM
Other · Biological · Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
21 Years to 65 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Oct 12, 2026, 12:32 PM EDT
Completed Not applicable Interventional

A Mail and Video-based Weight Loss Trial in Breast Cancer Survivors

NCT02681965
View directory record Official record
Conditions
Breast Cancer Survivorship, Obesity
Interventions
LEAN book/videos
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 79 Years · Female only
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 29, 2018 · Synced Oct 12, 2026, 12:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Aging, Lifestyle and Inflammation in Veterans Exercising

NCT00667030
View directory record Official record
Conditions
Inflammation, Aging, Metabolism, Exercise
Interventions
Weight loss and aerobic exercise training
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 20, 2026 · Synced Oct 12, 2026, 12:32 PM 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 18, 2017 · Synced Oct 12, 2026, 12:32 PM EDT
Terminated Phase 3 Interventional

A Long-Term Study To Examine The Effects Of CP-945,598 On Weight Loss And Safety

NCT00375401
View directory record Official record
Conditions
Obesity
Interventions
CP-945,598 Treatment A, CP-945,598 Treatment B, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 70 Years
Enrollment
2,536 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
74
States / cities
Fairhope, Alabama • Huntsville, Alabama • Mobile, Alabama + 64 more
Source: ClinicalTrials.gov public record
Updated Nov 7, 2012 · Synced Oct 12, 2026, 12:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pilot Social Network Weight Loss Intervention

NCT04273503
View directory record Official record
Conditions
Diet, Healthy, Weight Loss
Interventions
Mentoring/educational session
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 30, 2021 · Synced Oct 12, 2026, 12:32 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Longitudinal Deep Phenotyping of Central Mechanisms in Dysosmia: A Pilot Study Using Electrobulbogram (EBG), Functional MRI (fMRI), and Diffusion-Weighted Imaging (DWI)

NCT07149428
View directory record Official record
Conditions
Respiratory Tract Infection, Smell Disorder, Influenza, Rhinosinusitis, COVID-19, Depression, Parosmia, Hyposomia, Normosomia, Anosmia
Interventions
Not listed
Lead sponsor
National Institute on Deafness and Other Communication Disorders (NIDCD)
NIH
Eligibility
18 Years to 99 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Oct 12, 2026, 12:32 PM EDT
Completed Phase 4 Interventional Results available

Atomoxetine for Treatment of Weight Gain in Olanzapine or Clozapine Patients

NCT00176436
View directory record Official record
Conditions
Schizophrenia
Interventions
Diet support group, Group counseling and exercise
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Catonsville, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 14, 2022 · Synced Oct 12, 2026, 12:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Giving a Low Carbohydrate Diet to Overcome Hypertension

NCT04230928
View directory record Official record
Conditions
Hypertension, African Americans, Diet, Carbohydrate-Restricted, Risk Reduction Behavior
Interventions
Very low carbohydrate diet, Standard DPP-GLB diet, Standard DPP-GLB program modules
Other · Behavioral
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years to 74 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 2, 2026 · Synced Oct 12, 2026, 12:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Social Media Obesity Treatment for College Students

NCT02342912
View directory record Official record
Conditions
Obesity
Interventions
Social Media Treatments
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
18 Years to 35 Years
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 10, 2020 · Synced Oct 12, 2026, 12:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Web-based Weight Loss Intervention

NCT03400696
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Lower carbohydrate diet, Higher fiber diet, Physical activity focused
Behavioral
Lead sponsor
23andMe, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
63,656 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
2
States / cities
Mountain View, California
Source: ClinicalTrials.gov public record
Updated Jun 4, 2020 · Synced Oct 12, 2026, 12:32 PM EDT
Completed Not applicable Interventional

Physical Activity Choices Everyday- A Pilot Study

NCT03843099
View directory record Official record
Conditions
Obesity
Interventions
Behavioral Weight Loss + Future Thinking, Behavioral Weight Loss + Healthy Thinking
Behavioral
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years to 70 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 4, 2019 · Synced Oct 12, 2026, 12:32 PM EDT
Completed Not applicable Interventional

Diet and Exercise Intervention in Type 2 Diabetes

NCT01977560
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Intensive Lifestyle Intervention, Standard Care
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
25 Years to 68 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 15, 2022 · Synced Oct 12, 2026, 12:32 PM EDT
Completed Phase 4 Interventional Results available

Lifestyle Modification and Liraglutide

NCT02911818
View directory record Official record
Conditions
Obesity
Interventions
CMS-recommended lifestyle counseling, Liraglutide 3.0mg, Portion-Controlled Diet, Placebo Oral Tablet, Phentermine 15 MG, Extension Study CMS-recommended lifestyle counseling
Behavioral · Drug · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 70 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 7, 2019 · Synced Oct 12, 2026, 12:32 PM EDT