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ClinicalTrials.gov public records Last synced Oct 25, 2026, 5:24 AM EDT

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Showing 1–24 of 109 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Diet composition 3 Clear all
Completed Phase 2Phase 3 Interventional

Low Glycemic Load Diets in Latino Children at Risk for Type 2 Diabetes

NCT01068197
View directory record Official record
Conditions
Obesity, Type 2 Diabetes Mellitus
Interventions
Low Glycemic Load Diet versus Low Fat Diet
Behavioral
Lead sponsor
Nazrat Mirza
Other
Eligibility
7 Years to 14 Years
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2010
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Sep 9, 2014 · Synced Oct 25, 2026, 5:24 AM EDT
Recruiting Not applicable Interventional

FEED-Cystic Fibrosis (FEED-CF)

NCT05766774
View directory record Official record
Conditions
Cystic Fibrosis, Cystic Fibrosis-related Diabetes
Interventions
Low-added sugar, high-fat diet, High-added sugar, high-fat CF diet
Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 25, 2026, 5:24 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Effects of Graded Protein Intake on Body Composition in Older Adults

NCT04845282
View directory record Official record
Conditions
Sarcopenia
Interventions
Graded Protein plus Resistance Training, RDA Protein plus Resistance Training
Dietary Supplement
Lead sponsor
Wake Forest University
Other
Eligibility
55 Years to 110 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 27, 2022 · Synced Oct 25, 2026, 5:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Consuming Palm Oil With Different Macronutrient Intakes on Blood Lipids

NCT02922062
View directory record Official record
Conditions
Cardiovascular Diseases, Inflammation
Interventions
Canola Oil, Palm Oil, Butter
Other
Lead sponsor
Ohio State University
Other
Eligibility
21 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 23, 2018 · Synced Oct 25, 2026, 5:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acute Heart Health Benefits of Whole Grain Barley and Oats in Healthy Men and Women

NCT01283672
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Controlled diet with whole grain barley, whole grain oats, or low grain diet
Other
Lead sponsor
United States Department of Agriculture (USDA)
Federal
Eligibility
25 Years to 70 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Beltsville, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 18, 2011 · Synced Oct 25, 2026, 5:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Glycemic Load & Resistance Training on Endothelial Function & Insulin Sensitivity

NCT01755962
View directory record Official record
Conditions
160 Participants Aged 18-35 Years and Obese (BMI ≥30) Open to Men and Women of All Ethnicity
Interventions
Glycemic Load, Resistance Training
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 35 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 16, 2020 · Synced Oct 25, 2026, 5:24 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Energy Balance Weight Regulation Study

NCT00619008
View directory record Official record
Conditions
Obesity
Interventions
Ad libitum low carbohydrate diet, Ad libitum High Complex Carbohydrate Diet, Energy-restricted high complex carbohydrate diet
Other
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
21 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 3, 2008 · Synced Oct 25, 2026, 5:24 AM EDT
Completed No phase listed Observational

Clinical Outcomes, Nutritional Status, Exercise and Psychosocial Factors in Pediatric Hematopoietic Cell Transplant

NCT02734797
View directory record Official record
Conditions
Malnutrition, Obesity
Interventions
Not listed
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
2 Years to 25 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 25, 2024 · Synced Oct 25, 2026, 5:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Whole Body Vibration Training for Healthy Body Composition in Young Adults

NCT02134275
View directory record Official record
Conditions
Obesity, Weight Gain
Interventions
Whole body vibration training, Control group
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
176 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 23, 2018 · Synced Oct 25, 2026, 5:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Flavored, Carbonated Drinks on Salivary Flow, Salivary Composition, and Taste Perceptions

NCT06933290
View directory record Official record
Conditions
Taste Perception, Saliva Production
Interventions
Beverage
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
18 Years to 45 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Valhalla, New York
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Oct 25, 2026, 5:24 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Fat Malabsorption in Chronic Pancreatitis

NCT02849704
View directory record Official record
Conditions
Chronic Pancreatitis
Interventions
Creon36™
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
30 Years to 70 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 3, 2019 · Synced Oct 25, 2026, 5:24 AM EDT
Completed Not applicable Interventional

An Enhanced Protein (Dairy) Weight Loss Intervention for Dynapenic Obesity: Impact on Muscle Quality and Composition

NCT02437643
View directory record Official record
Conditions
Dynapenia, Obesity
Interventions
Weight Loss, Dairy Protein, Low intensity exercise
Behavioral · Dietary Supplement
Lead sponsor
Duke University
Other
Eligibility
60 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 7, 2018 · Synced Oct 25, 2026, 5:24 AM EDT
Recruiting Not applicable Interventional

Changes in Body Composition Including Muscle With Anti-Obesity Medications, Both With and Without Exercise

NCT07698145
View directory record Official record
Conditions
Obesity & Overweight
Interventions
Standard Medical Care with an Obesity Management Medication, Cardiovascular Exercise Training, Resistance Exercise Training, Nutrition Counseling
Other · Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 64 Years
Enrollment
198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Oct 25, 2026, 5:24 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

A Pilot Study to Determine Nutrition Status in Glioblastoma Multiforme Patients

NCT01770626
View directory record Official record
Conditions
Brain Cancer
Interventions
Nutrition
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 28, 2014 · Synced Oct 25, 2026, 5:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

FIT-COACH: Fitbit Intervention With Coordinated Health Coaching and PCP Support

NCT06915090
View directory record Official record
Conditions
GLP - 1, Diabetes, Obesity and Obesity-related Medical Conditions, Cardiovascular Diseases
Interventions
Health Coach/Fitbit
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years to 100 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Oct 25, 2026, 5:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Obesity and Cartilage Compression in Knees

NCT04730557
View directory record Official record
Conditions
Obesity, Osteoarthritis, Knee Osteoarthritis
Interventions
Weight Loss
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 45 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 6, 2024 · Synced Oct 25, 2026, 5:24 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Macronutrient Distribution and Plasma Metabolites to Model Meals Composition

NCT04928872
View directory record Official record
Conditions
Glucose Metabolism
Interventions
Predefined meal
Combination Product
Lead sponsor
Texas A&M University
Other
Eligibility
60 Years to 85 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Feb 21, 2022 · Synced Oct 25, 2026, 5:24 AM 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 7, 2017 · Synced Oct 25, 2026, 5:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Egg Consumption and Muscular Adaptations

NCT04381390
View directory record Official record
Conditions
Hypertrophy
Interventions
Whole egg and resistance training, Egg whites and resistance training
Dietary Supplement
Lead sponsor
Alexei Wong
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Arlington, Virginia
Source: ClinicalTrials.gov public record
Updated May 8, 2020 · Synced Oct 25, 2026, 5:24 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

CRAVE Study: Comparing Craving Responses and Diet Quality of GLP1 Receptor Agonist Users

NCT06467604
View directory record Official record
Conditions
Obesity
Interventions
Surveys, Indirect Calorimetry, Body composition, Anthropometrics
Behavioral · Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 70 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Needham, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Oct 25, 2026, 5:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Increased Dietary Protein and Meal Frequency Reduces Total and Abdominal Body Fat During Weight Maintenance and Weight Loss

NCT01749449
View directory record Official record
Conditions
Obesity
Interventions
protein and meal frequency
Other
Lead sponsor
Skidmore College
Other
Eligibility
30 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Saratoga Springs, New York
Source: ClinicalTrials.gov public record
Updated Dec 13, 2012 · Synced Oct 25, 2026, 5:24 AM EDT
Enrolling by invitation No phase listed Observational

Contribution of Bone to Urine Citrate

NCT06811363
View directory record Official record
Conditions
Osteoporosis
Interventions
Metabolic / prescribed diet, KCit Load (40 meq), Anti-resorptive agents, Anabolic Agents
Other · Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 25, 2026, 5:24 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Flourish: Exploring the Early Infant Gut Microbiome

NCT07333482
View directory record Official record
Conditions
Microbiota, Gut Microbiome, Eczema, Microbiome
Interventions
Tailored Recommendations, Consult Call, Educational Email Series
Dietary Supplement · Behavioral
Lead sponsor
Seeding Inc
Industry
Eligibility
0 Months to 3 Months
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Oct 25, 2026, 5:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of a Synbiotic on the Gut Microbiota and Adiposity-related Markers in Healthy Overweight Subjects

NCT02151825
View directory record Official record
Conditions
Gut Microbiota, Adiposity
Interventions
Synbiotic, Placebo
Dietary Supplement · Other
Lead sponsor
Texas State University, San Marcos
Other
Eligibility
18 Years to 64 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
San Marcos, Texas
Source: ClinicalTrials.gov public record
Updated May 30, 2014 · Synced Oct 25, 2026, 5:24 AM EDT