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ClinicalTrials.gov public records Last synced Oct 20, 2026, 6:46 PM EDT

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Showing 265–288 of 795 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Diet Modification Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Hockey Fans in Training (Hockey FIT): Improving Men's Health Through the Power of Sport

NCT03636282
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Hockey FIT Program (Immediate Delivery)
Behavioral
Lead sponsor
Western University, Canada
Other
Eligibility
35 Years to 65 Years · Male only
Enrollment
997 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
3
States / cities
Flint, Michigan • Saginaw, Michigan • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 7, 2023 · Synced Oct 20, 2026, 6:46 PM EDT
Recruiting Not applicable Interventional

Impact of Dietary Fiber Supplementation on Colonic Microbiome

NCT05643859
View directory record Official record
Conditions
Benign Colorectal Neoplasm, Non-Neoplastic Anal Disorder
Interventions
Dietary Fiber, Proctoscopy or anoscopy with Biopsy, Colonoscopy, Questionnaire Administration
Dietary Supplement · Procedure · Other
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Oct 20, 2026, 6:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Trial of the Ideal Protein System Versus Low Fat Diet for Weight Loss

NCT03515889
View directory record Official record
Conditions
Weight Loss
Interventions
Ideal Protein Weight Loss Method, Standard Weight Loss
Behavioral
Lead sponsor
Tulane University
Other
Eligibility
22 Years to 79 Years
Enrollment
192 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Bogalusa, Louisiana
Source: ClinicalTrials.gov public record
Updated Nov 22, 2024 · Synced Oct 20, 2026, 6:46 PM EDT
Completed Not applicable Interventional Results available

Targeting Obesity to Optimize Health in Cardiac Rehab (TOPCARE)

NCT03423238
View directory record Official record
Conditions
Obesity, Weight Loss, CHD - Coronary Heart Disease
Interventions
Exercise, Health Education, Exercise Compliance, Calorie-Restricted Diet, Behavioral Modification, Weight-Loss Compliance, Dietary Counseling
Other · Behavioral · Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
40 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 23, 2021 · Synced Oct 20, 2026, 6:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Grocery Assistance Program Study for Families

NCT03363048
View directory record Official record
Conditions
Nutritional Quality, Food Insecurity, Food Legislation, Healthy Diet, Food Stamp Program
Interventions
Restricted, Restriction plus Incentive
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
3 Years and older
Enrollment
646 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 10, 2020 · Synced Oct 20, 2026, 6:46 PM EDT
Not yet recruiting Not applicable Interventional

Combined Circulatory and Dietary Interventions for Neuropathy

NCT07213843
View directory record Official record
Conditions
Diabete Type 2, Neuropathy, Painful
Interventions
INF® Therapy, NVIf
Other
Lead sponsor
Loma Linda University
Other
Eligibility
35 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Oct 9, 2025 · Synced Oct 20, 2026, 6:46 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Community Activation for Prevention (CAPs): A Study of Community Gardening

NCT03089177
View directory record Official record
Conditions
Cancer, Obesity, Lifestyle, Sedentary, Physical Activity, Health Behavior, Chronic Disease, Diet Modification
Interventions
Community Garden Intervention
Behavioral
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
18 Years and older
Enrollment
296 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated May 7, 2021 · Synced Oct 20, 2026, 6:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Diet, Exercise and/or Rosiglitazone for HIV-Associated Insulin Resistance

NCT00264251
View directory record Official record
Conditions
HIV Infections, Insulin Resistance, Obesity
Interventions
Weight loss through diet and exercise, Rosiglitazone insulin sensitizing agent
Behavioral · Drug
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
20 Years to 60 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 29, 2007 · Synced Oct 20, 2026, 6:46 PM EDT
Completed Not applicable Interventional Results available

DVD Lifestyle Intervention

NCT03260140
View directory record Official record
Conditions
Obesity
Interventions
behavioral lifestyle intervention
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
511 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 28, 2023 · Synced Oct 20, 2026, 6:46 PM EDT
Completed Not applicable Interventional

The Effect of a Low-fat Vegan Dietary Intervention on Intracellular Lipid, Insulin Sensitivity, and Glycemic Control in Type 2 Diabetes

NCT06106035
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Diabetes Mellitus Type 2 in Obese
Interventions
low-fat vegan diet
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Oct 20, 2026, 6:46 PM EDT
Completed Not applicable Interventional

Delivered Dietary Intervention for Children With Irritable Bowel Syndrome

NCT01339117
View directory record Official record
Conditions
Irritable Bowel Syndrome, Abdominal Pain
Interventions
Low fermentable substrate diet, High fermentable substrate diet
Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
7 Years to 17 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 22, 2021 · Synced Oct 20, 2026, 6:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Advanced Cooking Education Feasibility Study

NCT05907278
View directory record Official record
Conditions
Adolescent Behavior, Nutrition, Healthy
Interventions
Advanced Cooking Education
Behavioral
Lead sponsor
Cornell University
Other
Eligibility
Not listed
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Jun 18, 2023 · Synced Oct 20, 2026, 6:46 PM EDT
Completed Not applicable Interventional

Making Healthy Decisions: A Trial Evaluating the "Your Move" Teen Pregnancy-prevention Intervention

NCT02993185
View directory record Official record
Conditions
Pregnancy, Abdominal, Sexual Behavior, Sexually Transmitted Infection, Sexually Transmitted Diseases, Dietary Modification, Eating Behaviors
Interventions
Your Move, Eat Smart
Behavioral
Lead sponsor
Carnegie Mellon University
Other
Eligibility
14 Years to 19 Years · Female only
Enrollment
808 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 24, 2021 · Synced Oct 20, 2026, 6:46 PM EDT
Completed Not applicable Interventional

A Whole-food, Plant-Based Nutrition Intervention in Women With Metastatic Breast Cancer

NCT03045289
View directory record Official record
Conditions
Metastatic Breast Cancer, Breast Cancer Stage IV
Interventions
Plant-Based Diet
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older · Female only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jul 13, 2022 · Synced Oct 20, 2026, 6:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Feeding America Intervention Trial for Health--Diabetes Mellitus

NCT02569060
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Testing and Monitoring of Blood Glucose Levels, Primary care coordination, Diabetes-appropriate food packages, Diabetes self-management education
Other · Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
568 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
4
States / cities
Oakland, California • San Francisco, California • Detroit, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated May 18, 2020 · Synced Oct 20, 2026, 6:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Translational Health After School Program on Health-Related Knowledge/Behaviors and Exercise Perception

NCT02932813
View directory record Official record
Conditions
Changes in Physical Fitness, Changes in Diet, Food, and Nutrition Habits, Changes in Child Health
Interventions
THINK Program
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
8 Years to 12 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Oct 17, 2017 · Synced Oct 20, 2026, 6:46 PM EDT
Recruiting Not applicable Interventional

Remote Evaluation of MIND Diet

NCT06450977
View directory record Official record
Conditions
Multiple Sclerosis, Cognitive Change, Nutrition, Healthy
Interventions
MIND Diet, Control Diet
Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years to 64 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 27, 2024 · Synced Oct 20, 2026, 6:46 PM EDT
Active, not recruiting Not applicable Interventional

Development of an Inclusive Adaptive Treatment Strategy for Weight Loss in People With Prediabetes Using a Sequential Multiple Assignment Randomized Trial

NCT06976307
View directory record Official record
Conditions
Disabilities, Obesity and Overweight, Prediabetes
Interventions
High Carbohydrate Diet, Reduced Carbohydrate Diet
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Oct 20, 2026, 6:46 PM EDT
Completed Not applicable Interventional Results available

Pragmatic Obstructive Sleep Apnea Weight Loss Trial Assessing Effectiveness and Reach

NCT05104450
View directory record Official record
Conditions
Obesity, Sleep Apnea, Obstructive
Interventions
lifestyle intervention
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
696 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 20, 2026, 6:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy of a Once Daily Calcium and Vitamin D Fortified Food Product to Improve Bone Microarchitecture

NCT02375503
View directory record Official record
Conditions
Bone Alteration, Dietary Modification
Interventions
Calcium/Vitamin D, Placebo
Dietary Supplement
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
17 Years to 42 Years
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated May 15, 2017 · Synced Oct 20, 2026, 6:46 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 8, 2024 · Synced Oct 20, 2026, 6:46 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Impact of Dietary Intervention on Inflammation and Microbiome Composition Post-Colonoscopy

NCT06603519
View directory record Official record
Conditions
Colorectal Polyp, Inflammation, Dietary Intervention, Microbiota, Colorectal Neoplasms, Metabolomics
Interventions
Modified Plant-Based Mediterranean Diet
Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 20, 2026, 6:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Dietary Protein Intake From Beef/Pork and Soy/Legumes on Appetite, Mood, and Weight Loss

NCT01005563
View directory record Official record
Conditions
Appetite, Mood, Weight Loss
Interventions
Beef/Pork, Soy/Legumes
Other
Lead sponsor
Purdue University
Other
Eligibility
21 Years and older
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
2
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 20, 2014 · Synced Oct 20, 2026, 6:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Gender- and Culturally-Sensitive Weight Loss Intervention for Hispanic Males

NCT02783521
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Counseling sessions, Wait List Control
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 64 Years · Male only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 1, 2017 · Synced Oct 20, 2026, 6:46 PM EDT