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Showing 1–24 of 3,098 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Diet Clear all
Withdrawn Not applicable Interventional

Cross-over Pilot Study of Blood Cholesterol Response to Dietary Saturated Fat in Patients With Autosomal Dominant Hypercholesterolemia

NCT03756779
View directory record Official record
Conditions
Familial Hypercholesterolemia
Interventions
Dietary intervention
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 27, 2018 · Synced Jul 20, 2026, 7:12 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Towards Understanding Between ADT Treatment, Circadian Rhythm, and Physiological Responsiveness

NCT05968144
View directory record Official record
Conditions
Prostatic Neoplasm, Survivorship, Frailty, Aging, Metastatic Breast Cancer
Interventions
Dietary recommendations, Time-restricted eating
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
55 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 26, 2026 · Synced Jul 20, 2026, 7:12 PM EDT
Completed Not applicable Interventional

Resistant Starch on Glucose and Insulin Sensitivity in Individuals With Type 2 Diabetes

NCT00691249
View directory record Official record
Conditions
Hyperglycemia
Interventions
Resistant Starch Type 4-Raw, Resistant Starch Type 4-Cooked, Shredded Wheat
Dietary Supplement
Lead sponsor
Kansas State University
Other
Eligibility
Not listed
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Manhattan, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 1, 2009 · Synced Jul 20, 2026, 7:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Muscadine Grape Seed Supplementation and Vascular Function

NCT01011517
View directory record Official record
Conditions
Dietary Supplements
Interventions
Muscadine grape seed supplement
Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 8, 2018 · Synced Jul 20, 2026, 7:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Feeding America's Bravest: Mediterranean Diet-Based Interventions to Change Firefighters' Eating Habits

NCT02941757
View directory record Official record
Conditions
Diet, Mediterranean, Health Behavior, Program Sustainability, Program Effectiveness
Interventions
Mediterranean diet Intervention
Behavioral
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
18 Years and older
Enrollment
486 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 13, 2020 · Synced Jul 20, 2026, 7:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

SWAP-MEAT Athlete: Three Diets on Athletic Performance

NCT05472701
View directory record Official record
Conditions
Health Behavior
Interventions
Diet order: WFPB, PBMA, Animal, WFPB, Animal, PBMA, PBMA, WFPB, Animal, PBMA, Animal, WFPB, Animal, WFPB, PBMA, Animal, PBMA, WFPB
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 35 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 20, 2023 · Synced Jul 20, 2026, 7:12 PM EDT
Completed Not applicable Interventional

Unsaturated Fatty Acids Enriched-diet to Improve Cardiorespiratory Fitness, Metabolic Flexibility and Glucose Tolerance in Obese Patients

NCT03310099
View directory record Official record
Conditions
Heart Failure With Normal Ejection Fraction, Obesity
Interventions
Increasing daily unsaturated fatty acid consumption
Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 17, 2019 · Synced Jul 20, 2026, 7:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Following Lipectomy to Understand Adipose Tissue Re-accumulation

NCT00995631
View directory record Official record
Conditions
Menopause, Pre-menopause
Interventions
Femoral lipectomy
Procedure
Lead sponsor
University of Colorado, Denver
Other
Eligibility
35 Years to 60 Years · Female only
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Jul 20, 2026, 7:12 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Idiopathic Intracranial Hypertension Treatment Trial

NCT01003639
View directory record Official record
Conditions
Idiopathic Intracranial Hypertension
Interventions
Acetazolamide, Placebo, Formal weight loss counselling program
Drug · Behavioral
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
18 Years to 60 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
39
States / cities
Birmingham, Alabama • Los Angeles, California • Waterbury, Connecticut + 31 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2018 · Synced Jul 20, 2026, 7:12 PM EDT
Completed No phase listed Observational

Observational Study of Kibow Biotics in Chronic Kidney Failure Patients

NCT01450657
View directory record Official record
Conditions
Chronic Kidney Failure
Interventions
Kibow Biotics/Renadyl
Dietary Supplement
Lead sponsor
Kibow Pharma
Industry
Eligibility
18 Years to 75 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 17, 2017 · Synced Jul 20, 2026, 7:12 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers

Indole-3-Carbinol Effects on Estrogen Metabolism

NCT00988845
View directory record Official record
Conditions
Obesity
Interventions
Indole-3-carbinol
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
30 Years to 50 Years · Female only
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 12, 2019 · Synced Jul 20, 2026, 7:12 PM EDT
Completed Not applicable Interventional

Integrating Lifestyle Therapy for Diabetes Prevention Into Primary Care

NCT00853801
View directory record Official record
Conditions
Pre-Diabetes, Metabolic Syndrome, Type 2 Diabetes
Interventions
Lifestyle intervention and provider feedback
Behavioral
Lead sponsor
Cook County Health
Government
Eligibility
18 Years and older
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 25, 2023 · Synced Jul 20, 2026, 7:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mitopure™ (Proprietary Urolithin A) Bioavailability in Healthy Adults

NCT04160312
View directory record Official record
Conditions
Healthy, Healthy Aging
Interventions
Mitopure™ (Proprietary Urolithin A), Pomegranate Juice
Dietary Supplement
Lead sponsor
Amazentis SA
Industry
Eligibility
18 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 9, 2020 · Synced Jul 20, 2026, 7:12 PM EDT
Completed Phase 1Phase 2 Interventional

Efficacy of Increasing Physical Activity to Reduce Children's Visceral Fat

NCT00359957
View directory record Official record
Conditions
Obesity
Interventions
Pediatric Obesity Intervention (STANDARD), Pediatric Obesity Intervention + High Activity (ADDED)
Behavioral
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
7 Years to 12 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 1, 2010 · Synced Jul 20, 2026, 7:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Brassica Intake and Isothiocyanate Absorption

NCT02346812
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Controlled diet without brassica vegetables, Controlled diet with brassica vegetables
Other
Lead sponsor
USDA Beltsville Human Nutrition Research Center
Federal
Eligibility
21 Years to 70 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Beltsville, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 29, 2015 · Synced Jul 20, 2026, 7:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fatigue Reduction Diet

NCT01902745
View directory record Official record
Conditions
Chronic Fatigue
Interventions
Social Cognitive Theory
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 5, 2017 · Synced Jul 20, 2026, 7:12 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Fasting Mimicking Diet and Autophagy

NCT06115551
View directory record Official record
Conditions
Diet, Autophagy
Interventions
Fasting Mimicking Diet
Combination Product
Lead sponsor
L-Nutra Inc
Industry
Eligibility
25 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Apr 3, 2024 · Synced Jul 20, 2026, 7:12 PM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Dietary Guidelines for Americans-Ultra Processed Study

NCT07252037
View directory record Official record
Conditions
Overweight , Obesity, Class I Obesity
Interventions
Low-processed DGA Diet, Ultra-processed DGA Diet
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Jul 20, 2026, 7:12 PM EDT
Active, not recruiting Not applicable Interventional

The Supporting Understanding of PCOS Education and Research (SUPER) Study

NCT05452642
View directory record Official record
Conditions
Polycystic Ovary
Interventions
DASH diet, Very low-carbohydrate diet
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
21 Years to 45 Years · Female only
Enrollment
223 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced Jul 20, 2026, 7:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Pilot Study of the Effect of Dietary Fat Type and Amount on Vitamin D3 Absorption

NCT01508845
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
cholecalciferol
Dietary Supplement
Lead sponsor
Tufts University
Other
Eligibility
50 Years and older
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 20, 2014 · Synced Jul 20, 2026, 7:12 PM EDT
Withdrawn Not applicable Interventional

Study to Evaluate Dietary Modification in Patients With Functional Dyspepsia.

NCT02863822
View directory record Official record
Conditions
Dyspepsia, Dietary Modification
Interventions
Low FODMAP Diet, Choose My Plate Diet
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Park Ridge, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 2, 2024 · Synced Jul 20, 2026, 7:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optimizing Cognition Via Exercise and Nutrition

NCT05472831
View directory record Official record
Conditions
Cognitive Function 1, Social
Interventions
BAILAMOS dance program plus MIND diet, BAILAMOS dance program plus Health Education
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
50 Years and older
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 18, 2025 · Synced Jul 20, 2026, 7:12 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Behavioral Plant-Based Dietary Intervention in Latinos

NCT05444595
View directory record Official record
Conditions
Obesity, Metabolic Disease
Interventions
Behavioral plant-based dietary intervention, Standard care
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
35 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Santa Barbara, California
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Jul 20, 2026, 7:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Chronic Kidney Disease Burden in an Underserved Population

NCT03832166
View directory record Official record
Conditions
CKD, ESRD
Interventions
Fruits and Vegetables, Cooking
Other
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Enrollment
142 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 26, 2020 · Synced Jul 20, 2026, 7:12 PM EDT