Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 22, 2026, 11:58 AM EDT

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Showing 1–24 of 43 matching trials from the live ClinicalTrials.gov search.
Conditions
Crohn's Disease, Active, Crohn's Disease (CD), Diet Interventions
Interventions
Catered Anti-Inflammatory Diet, Diet Guidance for Usual Diet
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
16 Years to 75 Years
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Miami, Florida
Conditions
Healthy Lifestyle
Interventions
Red meat-based meal, No meat diet
Other
Lead sponsor
South Dakota State University
Other
Eligibility
65 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Brookings, South Dakota
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The Dietary Guidelines 3 Diet Patterns Study (DG3D): Phase 2

NCT05254496
Conditions
Diabetes Mellitus, Type 2, Obesity
Interventions
Dietary Intervention Classes
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 70 Years
Enrollment
198 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Columbia, South Carolina
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

MyGI Diet for Colorectal Cancer Prevention

NCT05396846
Conditions
Colorectal Neoplasms
Interventions
Eating Plan 1, Eating Plan 2, Eating Plan 3
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
19 Years and older
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Completed Not applicable Interventional Accepts healthy volunteers

Differences in Eating Frequency Between Vegan and Omnivorous Diets

NCT02417480
Conditions
Eating Behavior
Interventions
Vegan diet, Follow habitual, usual diet
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Columbia, South Carolina
Not listed Not applicable Interventional Accepts healthy volunteers

Beef and Plant Burger Metabolomics Study

NCT05690061
Conditions
Inflammatory Response
Interventions
Grain-Fed Beef Hamburger, Grass-Fed Beef Hamburger, Impossible BurgerTM
Dietary Supplement
Lead sponsor
Utah State University
Other
Eligibility
30 Years to 60 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Logan, Utah
Conditions
Prediabetes
Interventions
Low carbohydrate diet
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 100 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
San Francisco, California
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Impact of High Dietary Fiber on Microbiome and Vaccine Responses

NCT05565586
Conditions
Influenza
Interventions
High-Fiber Diet (HFD), Prebiotic Food-Enriched Diet (PreFED)
Dietary Supplement
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2029
U.S. locations
1
States / cities
Houston, Texas
Conditions
Diet Therapy, Healthy Volunteers
Interventions
1. Meat, no fish or soda, 2. Meat and soda, no fish, 3. Meat and fish, no soda, 4. Meat and fish and soda, 5. Fish, no meat or soda, 6. Fish and soda, no meat, 7. No meat, fish or soda, 8. Soda, no meat or fish
Other
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 65 Years · Male only
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2020
U.S. locations
1
States / cities
Phoenix, Arizona
Conditions
Acute Lymphoblastic Leukemia, Acute Myelogenous Leukemia, Non-Hodgkins Lymphoma, Sarcoma, Neuroblastoma
Interventions
Food Safety Guidelines, Neutropenic Diet
Other
Lead sponsor
Indiana University
Other
Eligibility
1 Year to 30 Years
Enrollment
149 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2017
U.S. locations
6
States / cities
San Diego, California • Indianapolis, Indiana • Brooklyn, New York + 2 more
Completed Not applicable Interventional Accepts healthy volunteers

Protein-Distinct Macronutrient-Equivalent Diet 2

NCT05581953
Conditions
Healthy Aging
Interventions
Omnivorous, No meat
Other
Lead sponsor
South Dakota State University
Other
Eligibility
65 Years and older
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Brookings, South Dakota
Completed Not applicable Interventional Accepts healthy volunteers

Nutrition Interventions for Cognitive Enhancement

NCT03841539
Conditions
Alzheimer Disease
Interventions
Mediterranean Diet, Study Supplement, Low-fat Diet
Behavioral · Dietary Supplement
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
65 Years and older
Enrollment
209 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Kansas City, Kansas
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effective Treatments for Jellyfish Stings

NCT02015195
Conditions
Jellyfish Stings
Interventions
Acetic Acid (5%), Sodium Bicarbonate Slurry (50%), Papain Slurry (70%), Ammonia (10%), Lidocaine (4%), Isopropyl Alcohol (70%), Hot Tap Water (40 degrees Celsius), No treatment
Other · Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 65 Years
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Palo Alto, California
Conditions
Diabetic Neuropathy
Interventions
Vegan diet and vitamin B12 supplement, Vitamin B12 supplement
Other · Dietary Supplement
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Completed Not applicable Interventional Accepts healthy volunteers

Devaluing Foods to Change Eating Behavior

NCT03557710
Conditions
Overweight and Obesity, Cancer
Interventions
Devaluing energy-dense foods for cancer-control
Behavioral
Lead sponsor
University of Oregon
Other
Eligibility
18 Years to 60 Years
Enrollment
253 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Eugene, Oregon
Completed Not applicable Interventional Accepts healthy volunteers

New DIETs: New Dietary Interventions Enhancing the Treatment for Weight Loss

NCT01742572
Conditions
Overweight, Obesity
Interventions
Diet
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Columbia, South Carolina
Conditions
Pneumonia
Interventions
Ketogenic feeding, Standard feeding
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
55 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Diabetic Neuropathy
Interventions
Vegan diet and vitamin B12 supplement, Vitamin B12 supplement
Other · Dietary Supplement
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
Obesity, Hypercholesterolemia, Cardiovascular Disease
Interventions
Plant-Based Diet, American Heart Association Diet, Mediterranean Diet
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
9 Years to 18 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Diabetes Mellitus, Type 2, PreDiabetes
Interventions
Mediterranean Diet (Med-Plus), Well-Formulated Ketogenic Diet (WFKD)
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Stanford, California
Conditions
Psoriasis
Interventions
Mediterranean Diet
Behavioral
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 94 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Multiple Sclerosis
Interventions
Low fat study diet
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 70 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Diabetes Type II
Interventions
Low Carbohydrate Diet, American Diabetes Association Diet, Mindfulness and Positive Affect Skills
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
San Francisco, California
Completed Not applicable Interventional Accepts healthy volunteers

Substituting Mushrooms for Meat to Control Body Weight

NCT01177085
Conditions
Obesity
Interventions
Weight-loss and weight-maintenance diets
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland