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ClinicalTrials.gov public records Last synced May 22, 2026, 12:49 AM EDT

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

Showing 1–24 of 2,005 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Diet Therapy Clear all
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Microbial Colonization
Interventions
High arabinose diet
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 50 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced May 22, 2026, 12:49 AM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Diabetes
Interventions
Not listed
Lead sponsor
University of Central Florida
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Mar 20, 2025 · Synced May 22, 2026, 12:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Aging
Interventions
Resistance Training Exercise, Beef Protein Consumption
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
40 Years to 64 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 12, 2019 · Synced May 22, 2026, 12:49 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Nutrition, Diet Interventions
Interventions
Control label, Added sugar warning
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
543 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced May 22, 2026, 12:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Obesity
Interventions
Egg-based diet (EBD), Carbohydrate-based diet (CBD)
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
60 Years to 75 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 20, 2017 · Synced May 22, 2026, 12:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cardiovascular Diseases, Hypertension, Cognitive Decline, Diet, Healthy
Interventions
Peanut group
Dietary Supplement
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
18 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Arlington, Texas
Source: ClinicalTrials.gov public record
Updated Mar 31, 2025 · Synced May 22, 2026, 12:49 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Diet, Food, and Nutrition
Interventions
Salad bar, Waitlisted control, Salad bar post-COVID
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
5 Years and older
Enrollment
6,269 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Henrico, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 1, 2023 · Synced May 22, 2026, 12:49 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Overweight, Obese, Sedentary, Abdominal Obesity
Interventions
Weight Loss Diets Plus Exercise
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
30 Years to 65 Years
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 3, 2013 · Synced May 22, 2026, 12:49 AM EDT
Enrolling by invitation No phase listed Observational
View directory record Official record
Conditions
Inflammatory Bowel Disease (IBD), Irritable Bowel Syndrome (IBS), Celiac Disease, Diarrhea, Constipation, Microbiome, Crohn's Disease, UC - Ulcerative Colitis, Microscopic Colitis, Functional Dyspepsia
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
4,001 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 24, 2025 · Synced May 22, 2026, 12:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Gestational Diabetes, PreDiabetes, Hyperglycemia, Glucose Intolerance During Pregnancy
Interventions
Lifestyle Intervention
Behavioral
Lead sponsor
Tulane University
Other
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Nov 29, 2022 · Synced May 22, 2026, 12:49 AM EDT
Active, not recruiting Not applicable Interventional
View directory record Official record
Conditions
Crohn's Disease
Interventions
Specific carbohydrate diet, Elemental diet
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced May 22, 2026, 12:49 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Aging
Interventions
Western Diet, Non-Western Diet
Other
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
18 Years to 79 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 27, 2021 · Synced May 22, 2026, 12:49 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Low-carbohydrate Diet, Low-fat Diet
Other
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 50 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced May 22, 2026, 12:49 AM EDT
Not yet recruiting Not applicable Interventional
View directory record Official record
Conditions
Inflammatory Bowel Disease
Interventions
elemental diet (ED)
Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
21 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced May 22, 2026, 12:49 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Obesity/therapy
Interventions
Automated online weight loss program, Individual coaching, Group-based, videoconference-delivered weight loss
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years and older
Enrollment
490 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Mar 17, 2025 · Synced May 22, 2026, 12:49 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
IBS - Irritable Bowel Syndrome
Interventions
Heali mobile application + Registered Dietitian, Heali mobile application, Standard Dietary Education
Other
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 65 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 7, 2020 · Synced May 22, 2026, 12:49 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Obesity
Interventions
TeleSalud Healthy Eating- Physical Activity/Sedentary Behavior (HE-PA/SB), TeleSalud General Health Intervention
Behavioral
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
35 Years and older · Male only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced May 22, 2026, 12:49 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Obesity, Prostate Cancer
Interventions
Weight Loss, No Weight Loss Group
Behavioral · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Male only
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
1
States / cities
West Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 30, 2019 · Synced May 22, 2026, 12:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cardiovascular Risk Factor
Interventions
Ketone drink, Placebo drink
Dietary Supplement
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
50 Years to 75 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Blacksburg, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced May 22, 2026, 12:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Diet, Healthy
Interventions
Smart Intervention for Food Waste Management and Replacing current diet with Fruits and Vegetables, Smart Intervention for Stress Management
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 62 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced May 22, 2026, 12:49 AM EDT
Terminated Not applicable Interventional
View directory record Official record
Conditions
Graft Versus Host Disease, Hematopoietic Cell Transplantation Recipient
Interventions
Dietary Intervention, Laboratory Biomarker Analysis
Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 22, 2021 · Synced May 22, 2026, 12:49 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Epilepsy
Interventions
Modified Atkins Diet (MAD)
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
2
States / cities
Livingston, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 17, 2020 · Synced May 22, 2026, 12:49 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Hypertension
Interventions
Modified Sodium Watcher Program + Digital Self-Monitoring, Usual care + Digital Self-Monitoring
Behavioral
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
40 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 5, 2024 · Synced May 22, 2026, 12:49 AM EDT
Active, not recruiting Not applicable Interventional
View directory record Official record
Conditions
Heart Failure
Interventions
Usual Care, Exercise Training, Dietary Counseling
Other · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2026
U.S. locations
2
States / cities
Houston, Texas • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced May 22, 2026, 12:49 AM EDT