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Showing 1–24 of 2,045 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Diet Therapy Clear all
Completed Not applicable Interventional Results available

Diet and Hypertension Management in African Americans With Chronic Kidney Disease

NCT04084574
View directory record Official record
Conditions
Chronic Kidney Diseases, High Blood Pressure
Interventions
DASH diet counseling
Behavioral
Lead sponsor
Duke University
Other
Eligibility
21 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 5, 2025 · Synced Sep 8, 2026, 10:51 PM EDT
Completed Phase 2 Interventional

Carbohydrate Restricted Diet Intervention for Men on Prostate Cancer Active Surveillance

NCT03679260
View directory record Official record
Conditions
Prostate Cancer
Interventions
Carbohydrate restricted diet, Non-restricted diet, Phone counseling with dietitian
Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older · Male only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 29, 2023 · Synced Sep 8, 2026, 10:51 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Make Better Choices

NCT01249989
View directory record Official record
Conditions
Health Behavior
Interventions
Sequential MBC Condition, Simultaneous MBC Condition, Stress Management
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 65 Years
Enrollment
212 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 11, 2017 · Synced Sep 8, 2026, 10:51 PM EDT
Completed Not applicable Interventional

The Effects of a High Protein Diet on Microbiota, Gastrointestinal Function and Wellness in Older Women

NCT02445560
View directory record Official record
Conditions
Aging
Interventions
Probiotic capsule and Fiber Sachet, Probiotic capsule and Placebo sachet, Placebo capsule and Fiber Sachet, Placebo capsule and Placebo sachet
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
65 Years and older · Female only
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
2
States / cities
Gainesville, Florida • Ocala, Florida
Source: ClinicalTrials.gov public record
Updated Mar 28, 2018 · Synced Sep 8, 2026, 10:51 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Together We STRIDE (Strategizing Together Relevant Interventions for Diet and Exercise)

NCT02982759
View directory record Official record
Conditions
Obesity, Childhood
Interventions
Multi-Level Intervention, Genetic Newsletters
Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
8 Years to 12 Years
Enrollment
888 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 21, 2021 · Synced Sep 8, 2026, 10:51 PM EDT
Completed Not applicable Interventional Results available

Effects of Low FODMAP Diet on Colonic Epithelial Physiology in Diarrhea-predominant Irritable Bowel Syndrome

NCT04542018
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
a low FODMAP diet for 4 weeks
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
2
States / cities
Boston, Massachusetts • Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 29, 2025 · Synced Sep 8, 2026, 10:51 PM EDT
Not listed Not applicable Interventional

Knowledge-based Dietary Weight Management.

NCT04353726
View directory record Official record
Conditions
Weight Loss, Dietary Modifications, Obesity, Sustainability
Interventions
Weight management
Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years to 64 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 19, 2020 · Synced Sep 8, 2026, 10:51 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of an Online Behavioral Weight Loss Program

NCT01492413
View directory record Official record
Conditions
Overweight, Obesity
Interventions
online lifestyle counseling and a fortified diet beverage
Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
572 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 14, 2011 · Synced Sep 8, 2026, 10:51 PM EDT
Completed Not applicable Interventional Results available

Effect of Weight Loss on Prostate Cancer Pathology

NCT00475982
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 Sep 8, 2026, 10:51 PM EDT
Recruiting Not applicable Interventional

A Randomized Controlled Trial of a Nutritional Intervention for Endometriosis

NCT07090096
View directory record Official record
Conditions
Endometriosis
Interventions
A whole food plant based diet
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Sep 8, 2026, 10:51 PM EDT
Completed Phase 2 Interventional

Preventing Hypertension and Sympathetic Overactivation by Targeting Phosphate

NCT03234361
View directory record Official record
Conditions
Hypertension
Interventions
High Phosphate Phase, Low Phosphate Phase
Dietary Supplement
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
2
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 3, 2022 · Synced Sep 8, 2026, 10:51 PM EDT
Not listed Not applicable Interventional

SMART GOALS for Youth With Prediabetes

NCT06067451
View directory record Official record
Conditions
PreDiabetes, Adolescent Obesity, Behavior, Health, Nutritional and Metabolic Diseases, Diet Habit, Lifestyle Risk Reduction
Interventions
SMART GOALS Setting Tool/ Protocol
Behavioral
Lead sponsor
Northwell Health
Other
Eligibility
10 Years to 18 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 13, 2023 · Synced Sep 8, 2026, 10:51 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Behavioral Economics to Implement a Traffic Light Nutrition Ranking System: Study 2

NCT06298253
View directory record Official record
Conditions
Food Insecurity, Implementation Science, Diet, Healthy, Behavioral Economics
Interventions
Behavioral economics-enhanced SWAP implementation, Basic SWAP implementation
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
3,750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 29, 2025 · Synced Sep 8, 2026, 10:51 PM EDT
Active, not recruiting Phase 2 Interventional

A Phase 2a/b Study of the Efficacy and Safety of Subcutaneous Amlitelimab in Adults With Nonresponsive Celiac Disease

NCT06557772
View directory record Official record
Conditions
Coeliac Disease, Celiac Disease
Interventions
Amlitelimab, Placebo, SIGE, Gluten-free product (GFP)
Drug · Dietary Supplement
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 75 Years
Enrollment
229 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
35
States / cities
Scottsdale, Arizona • Arcadia, California • Lancaster, California + 32 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 8, 2026, 10:51 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Reducing Obesity Through Play Among Toddlers: Tiny Steps to Health (TSHS) Study

NCT06918821
View directory record Official record
Conditions
Childhood Obesity
Interventions
Healthy Toddler Parent Group (HTPG), Families Understanding Nutrition and Physically Active Lifestyles (FUNPALs) Playgroup
Behavioral
Lead sponsor
University of Houston
Other
Eligibility
18 Months to 36 Months
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 8, 2026, 10:51 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Effects of Increasing Caloric Intake on Diet-Induced Thermogenesis and 24h Energy Expenditure

NCT05545306
View directory record Official record
Conditions
Obesity, Normal Physiology, Healthy Volunteers
Interventions
+200% of dietary requirements, 50% of calories from carbohydrates, 20% from protein, and 30% from fat, fasting, -50% of energy balance requirements. 50% of calories from carbohydrates, 20% from protein, and 30% from fat, +150% of energy balance requirements, 50% of calories from carbohydrates, 20% from protein, and 30% from fat, +200% of dietary requirements, 51% of the calories from carbohydrates, 46%, from fat and 3% from protein, -25% of energy balance requirements, 50% of calories from carbohydrates, 20% from protein, and 30% from fat, +150% of dietary requirements, 51% of the calories from carbohydrates, 46%, from fat and 3% from protein
Dietary Supplement
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 60 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 8, 2026, 10:51 PM EDT
Completed Not applicable Interventional

Food as Medicine for Families

NCT06160973
View directory record Official record
Conditions
Diet, Healthy, Loneliness
Interventions
Feed the Household, Dedicated Driver, Feed the Individual, Commercial Shipper
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 21, 2025 · Synced Sep 8, 2026, 10:51 PM EDT
Recruiting Not applicable Interventional

Diet Order Effects of Low Fat vs. Low Carb Diets on Body Fat Change

NCT06325722
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 – 2029
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 8, 2026, 10:51 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Puerto Rican Obesity Intervention for Men

NCT06440551
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 Sep 8, 2026, 10:51 PM EDT
Active, not recruiting Not applicable Interventional

Low-Fat Diet and Fish Oil in Men on Active Surveillance for Prostate Cancer

NCT02176902
View directory record Official record
Conditions
Adenocarcinoma of the Prostate, Stage I Prostate Cancer, Stage IIA Prostate Cancer, Stage IIB Prostate Cancer
Interventions
behavioral dietary intervention, omega-3 fatty acid, laboratory biomarker analysis
Behavioral · Dietary Supplement · Other
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
50 Years to 80 Years · Male only
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 9, 2025 · Synced Sep 8, 2026, 10:51 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Barley Beta-glucan, Glycemic Control, and Appetite

NCT06146322
View directory record Official record
Conditions
Diet, Healthy, Blood Sugar; High, Diabetes, Appetite and General Nutritional Disorders, Appetitive Behavior
Interventions
WR, LB, MB, HB, WR+50g HFCS, LB + 50 g HFCS, MB + 50 g HFCS, HB + 50 g HFCS
Other
Lead sponsor
Washington State University
Other
Eligibility
18 Years to 50 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Nov 23, 2023 · Synced Sep 8, 2026, 10:51 PM EDT
Recruiting No phase listed Observational

Rheumatology Diet Study

NCT06339957
View directory record Official record
Conditions
Diet Habit, Rheumatologic Disease, Autoimmune Diseases, Rheumatoid Arthritis, Psoriatic Arthritis, Ankylosing Spondylitis, Dermatomyositis/polymyositis, Sjogren's Syndrome, Systemic Lupus Erythematous, Scleroderma, Fibromyalgia
Interventions
Not listed
Lead sponsor
University of Central Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Dec 5, 2024 · Synced Sep 8, 2026, 10:51 PM EDT
Completed Not applicable Interventional

Effect of Personalized Elimination Diet on Food Sensitivity Related Symptoms

NCT05389683
View directory record Official record
Conditions
Food Sensitivity
Interventions
Elimination Diet
Behavioral
Lead sponsor
Vibrant America Clinical Lab
Industry
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
9
States / cities
Gilbert, Arizona • Scottsdale, Arizona • San Carlos, California + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 17, 2024 · Synced Sep 8, 2026, 10:51 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Weight Loss Through Mayo Clinic Diet

NCT06862375
View directory record Official record
Conditions
Obesity
Interventions
Mayo Clinic Diet, Usual Care
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 64 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 6, 2025 · Synced Sep 8, 2026, 10:51 PM EDT