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ClinicalTrials.gov public records Last synced Oct 20, 2026, 2:15 AM EDT

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Showing 25–48 of 795 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Diet Modification Clear all
Terminated Not applicable Interventional

Lifestyle Change for Better Health

NCT03286699
View directory record Official record
Conditions
Bladder Cancer, Telomere Shortening, Colorectal Adenoma
Interventions
Dietary Intervention, Physical Activity Intervention
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 84 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 10, 2025 · Synced Oct 20, 2026, 2:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Encouraging Young Adults to Make Effective Nutrition Choices

NCT01979809
View directory record Official record
Conditions
Improve Dietary Behaviors in Young Adults 21-30 Years of Age
Interventions
MENU GenY
Behavioral
Lead sponsor
Henry Ford Health System
Other
Eligibility
21 Years to 30 Years
Enrollment
1,674 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
2
States / cities
Detroit, Michigan • Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 24, 2017 · Synced Oct 20, 2026, 2:15 AM EDT
Completed Not applicable Interventional

Dietary Interventions in Prediabetes

NCT01729078
View directory record Official record
Conditions
Impaired Fasting Glucose, Pre Diabetes, Liver Fat
Interventions
Dietary intervention
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
30 Years to 80 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 29, 2015 · Synced Oct 20, 2026, 2:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Replacing Starchy Vegetables and Refined Grains With Beef on Cardio-metabolic Disease Risk Factors (S53)

NCT03925142
View directory record Official record
Conditions
Diet Modification
Interventions
Controlled healthy vegetarian diet, Controlled beef diet
Other
Lead sponsor
Purdue University
Other
Eligibility
30 Years to 69 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Dec 8, 2021 · Synced Oct 20, 2026, 2:15 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 20, 2026, 2:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Growth of Infants Fed New Starter Formula

NCT01079208
View directory record Official record
Conditions
Dietary Intervention
Interventions
test starter infant formula, test starter infant formula with synbiotics, control standard formula
Other
Lead sponsor
Société des Produits Nestlé (SPN)
Industry
Eligibility
11 Days to 6 Months
Enrollment
297 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
3
States / cities
San Francisco, California • Orlando, Florida • Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Dec 3, 2014 · Synced Oct 20, 2026, 2:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Low-Carbohydrate, Ketogenic Diet Versus Orlistat for Weight Loss

NCT00108524
View directory record Official record
Conditions
Diabetes Mellitus, Obesity
Interventions
Low carbohydrate ketogenic diet, Orlistat, Low-fat diet
Behavioral · Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 69 Years
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 17, 2014 · Synced Oct 20, 2026, 2:15 AM EDT
Not yet recruiting Not applicable Interventional

Di-PKD: A Pilot Trial of Dietary Intervention in Patients With Autosomal Dominant Polycystic Kidney Disease

NCT06786260
View directory record Official record
Conditions
Autosomal Dominant Polycystic Kidney Disease (ADPKD)
Interventions
Interventional Diet
Other
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jan 30, 2026 · Synced Oct 20, 2026, 2:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pilot Feasibility of Rice Bran Supplementation in Nicaraguan Children

NCT02615886
View directory record Official record
Conditions
Dietary Rice Bran Supplementation
Interventions
Observational Control, Rice bran
Other · Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
4 Months to 13 Months
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 19, 2017 · Synced Oct 20, 2026, 2:15 AM EDT
Completed Phase 3 Interventional

Weight Loss and Exercise in Obese, Physically Limited, Older Women and Men

NCT00146107
View directory record Official record
Conditions
Obesity
Interventions
Diet, Exercise, Weight Loss and Exercise
Behavioral · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
65 Years to 85 Years
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 23, 2013 · Synced Oct 20, 2026, 2:15 AM EDT
Completed Not applicable Interventional

A Nutrition Intervention for Arthritis -3 (WCCR-ARTH3)

NCT03417648
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Plant-based diet, Supplement
Other
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years to 90 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Mar 4, 2019 · Synced Oct 20, 2026, 2:15 AM 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, 2:15 AM EDT
Not listed Phase 4 Interventional

Weight Loss Benefits of Rifaximin in an Intermittent Fasting Diet

NCT04674176
View directory record Official record
Conditions
Weight Loss
Interventions
Rifaximin
Drug
Lead sponsor
Bayhealth Medical Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Dover, Delaware
Source: ClinicalTrials.gov public record
Updated Dec 19, 2020 · Synced Oct 20, 2026, 2:15 AM EDT
Completed No phase listed Observational

Role of Dietary Habits in Efficacy of Bariatric Surgery - Study A

NCT03470558
View directory record Official record
Conditions
Bariatric Surgery, Sleeve Gastrectomy, Obesity
Interventions
Dietary habits
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years to 60 Years
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Oct 20, 2026, 2:15 AM EDT
Active, not recruiting Not applicable Interventional Results available

A Study of a Plant-Based Diet in People With Monoclonal Gammopathy of Undetermined Significance (MGUS) or Smoldering Multiple Myeloma (SMM)

NCT04920084
View directory record Official record
Conditions
Monoclonal Gammopathy of Undetermined Significance, Smoldering Multiple Myeloma
Interventions
Plant based meals
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Oct 20, 2026, 2:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Glycemic Index and Brain Function

NCT01064778
View directory record Official record
Conditions
Obesity
Interventions
Low GI, High GI
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
3
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 2, 2012 · Synced Oct 20, 2026, 2:15 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Groceries for Residents of Southeastern USA to Stop Hypertension

NCT06891911
View directory record Official record
Conditions
Hypertension, Elevated Blood Pressure, Cardiovascular Diseases, Dietary Intervention
Interventions
Dietitian-Assisted DASH groceries, Self-directed shopping
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 20, 2026, 2:15 AM EDT
Completed No phase listed Observational

Improvement Project To Optimizing Nutrition With Higher Protein and Calorie Pediatric Tube Feeding

NCT03017664
View directory record Official record
Conditions
Critically Ill Children
Interventions
Peptide-based enteral formula, Retrospective review of enteral tube feeding formula
Other
Lead sponsor
Société des Produits Nestlé (SPN)
Industry
Eligibility
1 Year to 13 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
2
States / cities
Chicago, Illinois • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 27, 2020 · Synced Oct 20, 2026, 2:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Daily Time-Restricted Feeding Protocol on Diet Quality

NCT04348019
View directory record Official record
Conditions
Diet, Healthy, Weight Change, Body, Dyslipidemias, Blood Pressure
Interventions
Fasting
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 2, 2021 · Synced Oct 20, 2026, 2:15 AM EDT
Active, not recruiting Not applicable Interventional

Nutrition and Pain Study

NCT07179588
View directory record Official record
Conditions
SCI - Spinal Cord Injury
Interventions
Nutrition Education Program, Nutrition Counseling
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Oct 20, 2026, 2:15 AM EDT
Completed Not applicable Interventional

Creating Healthier Communities Through Meaningful Partnerships: A Model From the National African American Male Wellness Initiative - OSU Partnership

NCT04787978
View directory record Official record
Conditions
Hypertension, Diabetes, Sedentary Behavior, High Cholesterol, Diet, Healthy, Smoking Reduction, Weight Loss
Interventions
Physical Activity and Education Intervention
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older · Male only
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 22, 2023 · Synced Oct 20, 2026, 2:15 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Benefits of Walnuts for Male Reproductive Health

NCT01505140
View directory record Official record
Conditions
Infertility, Nutrition Disorders
Interventions
Whole walnuts
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 35 Years · Male only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 28, 2016 · Synced Oct 20, 2026, 2:15 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Study to Examine Health Behavior Change Strategies for Primary Care

NCT01323023
View directory record Official record
Conditions
Tobacco Use, Risky Drinking, Unhealthy Diet, Physical Inactivity
Interventions
varies by project
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
2 Years and older
Enrollment
4,463 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2013
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 1, 2015 · Synced Oct 20, 2026, 2:15 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Dietary Peanuts and Nutrition-Related Outcomes

NCT07244458
View directory record Official record
Conditions
Dietary Change, Obesity & Overweight, Food Acceptance
Interventions
Peanuts, Dual-energy X-ray absorptiometry (DEXA) scans
Dietary Supplement · Procedure
Lead sponsor
Ian J. Neeland, MD
Other
Eligibility
18 Years to 80 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Clevland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Oct 20, 2026, 2:15 AM EDT