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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Body Composition Changes Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Chronic Thermogenic Dietary Supplement Consumption

NCT05619809
View directory record Official record
Conditions
Body Composition Changes, Body Weight Changes, Anthropometric Changes, Metabolism Changes, Hemodynamic Changes
Interventions
Thermogenic dietary supplement, Protein supplement, Placebo supplement
Dietary Supplement
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 40 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Oct 9, 2023 · Synced Sep 7, 2026, 1:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Adding L-BAIBA or L-BAIBA + Grains of Paradise to Exercising Adult Overweight and Obese Men and Women

NCT05775003
View directory record Official record
Conditions
Obese, Weight Loss, Body Weight, Cardiometabolic Syndrome
Interventions
Exercise
Dietary Supplement
Lead sponsor
Lindenwood University
Other
Eligibility
18 Years to 60 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced Sep 7, 2026, 1:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Chronic Study on Body Composition, Training, Performance, and Recovery

NCT04230824
View directory record Official record
Conditions
Damage Muscle, Body Weight Changes, Performance Enhancing Product Use
Interventions
Pre-workout plus and Protein recovery plus, Placebo, 6-week resistance training program
Dietary Supplement · Other
Lead sponsor
Pharmanex
Industry
Eligibility
25 Years to 50 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 12, 2022 · Synced Sep 7, 2026, 1:31 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

The Metabolic and Genetic Drivers of Body Composition Changes Following Weight Loss Surgery

NCT07178704
View directory record Official record
Conditions
Bariatric Surgery Patients
Interventions
Not listed
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Sep 7, 2026, 1:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness of Changing Dietary Fat on Weight Loss

NCT02953158
View directory record Official record
Conditions
Overweight
Interventions
Haas Avocado, Dietary Counseling
Other · Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
20 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 1, 2020 · Synced Sep 7, 2026, 1:31 PM EDT
Completed Not applicable Interventional

Measuring Changes in Body Composition and Physical Function in Patients With Childhood Cancers

NCT05823740
View directory record Official record
Conditions
Cancer, Malignant Neoplasm
Interventions
Bioelectrical impedance Analysis (BIA), D3-Creatine Dilution (D3Cr), 6-Minute Walk Test (6MWT), Timed Up and Go (TUG), 30-second Sit-to-Stand (STS), Hand Grip Strength (GS), PBTL p16 expression, CT, MR and PET Imaging
Other
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
8 Years to 21 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Sep 7, 2026, 1:31 PM EDT
Completed No phase listed Observational

Body Composition & REE Responses to Bariatric Surgery

NCT00682058
View directory record Official record
Conditions
Weight Loss, Weight Change
Interventions
Follow-up post-bariatric surgery
Other
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 31, 2019 · Synced Sep 7, 2026, 1:31 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Feasibility & Implementation of a Plant-Based Weight-Loss Program in an Office-Based Setting

NCT04091516
View directory record Official record
Conditions
Weight Loss, Blood Pressure, Lipid Disorder, PreDiabetes, Diabete Mellitus
Interventions
Low-fat plant-based diet
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 23, 2023 · Synced Sep 7, 2026, 1:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Protein Eating Patterns and Weight Loss

NCT03202069
View directory record Official record
Conditions
Obesity
Interventions
Even protein, Skewed protein
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
20 Years to 44 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Apr 15, 2025 · Synced Sep 7, 2026, 1:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Body Composition Changes During Overfeeding Plus Resistance Training

NCT04069351
View directory record Official record
Conditions
Weight Gain, Resistance Training, Overeating
Interventions
High-calorie mass gainer supplement, Resistance Training
Dietary Supplement · Other
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated May 6, 2020 · Synced Sep 7, 2026, 1:31 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Prescription of Step Counts for Targeted Changes in Body Composition and Cardiometabolic Risk in Overweight/Obese Adults

NCT07221279
View directory record Official record
Conditions
Dyslipidemia, Insulin Resistance Syndrome, Hypertension, Inflammation Chronic, Obesity & Overweight
Interventions
Step counts for predictable changes in body weight/compositon and cardiometabolic risk
Behavioral
Lead sponsor
Kennesaw State University
Other
Eligibility
20 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Kennesaw, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 26, 2025 · Synced Sep 7, 2026, 1:31 PM EDT
Not yet recruiting No phase listed Observational

GLP-1 Medication & Behavioral Health Programs on Weight & Metabolic Outcomes: FLOURISH and THRIVE Prospective Cohort Study

NCT07588984
View directory record Official record
Conditions
Obesity & Overweight, Weight Loss, Preventative Health, Body Weight, Cardiovascular Disease Risk Factor
Interventions
Noom Weight, Free Tier, Education-only control, Semaglutide, Tirzepatide, Microdose semaglutide, Microdose tirzepatide
Behavioral · Drug
Lead sponsor
Noom Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
2,310 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Princeton, New Jersey
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Sep 7, 2026, 1:31 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Low Sugar Protein Pacing, Intermittent Fasting Diet in Men and Women

NCT04327141
View directory record Official record
Conditions
Weight Loss, Gut Microbiome, Anti-Aging
Interventions
P-IF, HH
Behavioral
Lead sponsor
Skidmore College
Other
Eligibility
25 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Saratoga Springs, New York
Source: ClinicalTrials.gov public record
Updated Apr 7, 2024 · Synced Sep 7, 2026, 1:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Investigation of Increased Physical Activity During the Postpartum Period on Weight Loss, Body Composition, and Energy Expenditure

NCT06636305
View directory record Official record
Conditions
Weight Loss, Postpartum, Physical Activity
Interventions
physical activity intervention
Behavioral
Lead sponsor
Nicolas D. Knuth
Other
Eligibility
18 Years and older · Female only
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Towson, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 9, 2024 · Synced Sep 7, 2026, 1:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Intervention and Varying Physical Activity in Seniors

NCT01893684
View directory record Official record
Conditions
Obesity
Interventions
Exercise, Higher Protein Diet, Conventional Carbohydrate Diet
Behavioral
Lead sponsor
University of Georgia
Other
Eligibility
65 Years to 80 Years · Female only
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 6, 2017 · Synced Sep 7, 2026, 1:31 PM EDT
Completed No phase listed Observational

Study of Effects From Gastric Bypass Weight Loss on Brain Tissue

NCT00357344
View directory record Official record
Conditions
Weight Loss
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 45 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
3
States / cities
Phoenix, Arizona • Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 7, 2026, 1:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Comparative Effectiveness Study Evaluating the Effects of Thermogenic Supplements on Body Composition

NCT01423019
View directory record Official record
Conditions
Weight Loss
Interventions
Advantra Z, Advantra Z + Naringin + Hesperiden, Sugar pill
Dietary Supplement · Other
Lead sponsor
Integrative Health Technologies, Inc.
Network
Eligibility
21 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 22, 2012 · Synced Sep 7, 2026, 1:31 PM EDT
Completed No phase listed Observational Results available

Effects of Gastric Bypass Surgery and Calcium Metabolism and the Skeleton

NCT01330914
View directory record Official record
Conditions
Obesity, Morbid, Gastric Bypass
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
25 Years to 70 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 14, 2019 · Synced Sep 7, 2026, 1:31 PM EDT
Withdrawn Phase 2 Interventional

Anti-psychotic Medication (Stable Dose) Weight Loss Study

NCT01272765
View directory record Official record
Conditions
Obesity
Interventions
Placebo, IHBG-10
Other · Dietary Supplement
Lead sponsor
Avera McKennan Hospital & University Health Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Sioux Falls, South Dakota
Source: ClinicalTrials.gov public record
Updated May 31, 2012 · Synced Sep 7, 2026, 1:31 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Precision Nutrition New York Study

NCT06777498
View directory record Official record
Conditions
Body Composition Changes, Body Weight Changes
Interventions
Whole Grain Intervention then fruits and vegetables, Fruit and Vegetable Intervention and then whole grains
Other
Lead sponsor
Cornell University
Other
Eligibility
21 Years to 50 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Jul 10, 2025 · Synced Sep 7, 2026, 1:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Transform Burn on Weight Loss

NCT06092840
View directory record Official record
Conditions
Weight Loss
Interventions
Transform Burn
Dietary Supplement
Lead sponsor
4Life Research, LLC
Industry
Eligibility
18 Years to 72 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Sandy City, Utah
Source: ClinicalTrials.gov public record
Updated Oct 22, 2023 · Synced Sep 7, 2026, 1:31 PM 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 18, 2022 · Synced Sep 7, 2026, 1:31 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Non-Exercise Activity Thermogenesis (NEAT) in Children

NCT00315172
View directory record Official record
Conditions
Non-exercise Activity Thermogenesis
Interventions
Non-Exercise Activity Thermogenesis (NEAT)
Procedure
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
7 Years to 11 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 7, 2026, 1:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Whey Protein, Resistance Training, and Changes in Body Composition

NCT01186536
View directory record Official record
Conditions
Obesity
Interventions
Whey Protein supplement, Soy Protein Supplement, Carbohydrate supplement
Dietary Supplement
Lead sponsor
University of Kansas
Other
Eligibility
18 Years to 30 Years
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
1
States / cities
Lawrence, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 8, 2012 · Synced Sep 7, 2026, 1:31 PM EDT