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ClinicalTrials.gov public records Last synced Oct 18, 2026, 8:40 PM 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 75 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Vegan diet Clear all
Withdrawn Not applicable Interventional Accepts healthy volunteers

Healthy Eating for Reproductive Health: Greenville

NCT01716429
View directory record Official record
Conditions
Polycystic Ovarian Syndrome, Infertility, Obesity, Overweight
Interventions
Vegan diet, Low calorie diet
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 35 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 18, 2019 · Synced Oct 18, 2026, 8:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acute Effects of Organic Guayusa Extract

NCT05928195
View directory record Official record
Conditions
Acute Physiological Effects of Organic Guayusa Extract
Interventions
Acute Moderate-Dose Guayusa Extract Supplementation, Acute High-Dose Guayusa Extract Supplementation, Placebo
Dietary Supplement
Lead sponsor
Nathaniel Jenkins
Other
Eligibility
18 Years to 45 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 5, 2023 · Synced Oct 18, 2026, 8:40 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The CARING Study: Creating and Restoring Health Through Nutrition Guidance

NCT05795439
View directory record Official record
Conditions
Type2diabetes, Type 2 Diabetes Treated With Insulin
Interventions
Low-fat, vegan diet
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 18, 2026, 8:40 PM EDT
Completed Not applicable Interventional

The Effect of a Low-fat Vegan Dietary Intervention on Intracellular Lipid, Insulin Sensitivity, and Glycemic Control in Type 2 Diabetes

NCT06106035
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Diabetes Mellitus Type 2 in Obese
Interventions
low-fat vegan diet
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Oct 18, 2026, 8:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Consumption of Eggs in the Context of Plant-Based Diets on Endothelial Function, Diet Quality, and Cardio-Metabolic Risk Factors in Adults at Risk for Type 2 Diabetes

NCT04316429
View directory record Official record
Conditions
Type 2 Diabetes, Cardiovascular Diseases
Interventions
Egg included vegan phase, Vegan Phase
Other
Lead sponsor
Griffin Hospital
Other
Eligibility
25 Years to 75 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Derby, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 10, 2021 · Synced Oct 18, 2026, 8:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutraceutical Supplement With Vegan Botanicals in Females With Self-Perceived Thinning Hair

NCT05332743
View directory record Official record
Conditions
Hair Thinning
Interventions
Nutrafol Vegan Women's Hair Supplement
Dietary Supplement
Lead sponsor
Nutraceutical Wellness Inc.
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
2
States / cities
Manhattan Beach, California • Sacramento, California
Source: ClinicalTrials.gov public record
Updated Aug 1, 2023 · Synced Oct 18, 2026, 8:40 PM EDT
Completed Not applicable Interventional

Diet, Insulin Sensitivity, and Postprandial Metabolism

NCT02939638
View directory record Official record
Conditions
Overweight, Obesity, Insulin Resistance
Interventions
Plant-based diet, Control Diet
Other
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 19, 2023 · Synced Oct 18, 2026, 8:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Implementing Good Nutrition to Improve, Transform, and Enhance (IGNITE) Firefighters' Health

NCT06567561
View directory record Official record
Conditions
Cancer, Inflammation, Microbiome, Immune Function
Interventions
Whole Foods Plant-Based Diet, Usual Firehouse Diet
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Oct 18, 2026, 8:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Hospital Workplace Nutrition Study

NCT04222894
View directory record Official record
Conditions
Overweight, Type2 Diabetes
Interventions
Plant-based diet, Control Diet
Other
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 19, 2022 · Synced Oct 18, 2026, 8:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cannabis Edibles Packaging Descriptors Experiment

NCT06171399
View directory record Official record
Conditions
Cannabis Use
Interventions
"All Natural" descriptor, "Gluten-free" descriptor, "Vegan" descriptor, "100% Organic" descriptor, "Handcrafted" descriptor, "Made with live resin" descriptor, "Fast-acting" descriptor, "Relax" descriptor, "Energy Boost" descriptor, No descriptor (control)
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 65 Years
Enrollment
2,521 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 9, 2025 · Synced Oct 18, 2026, 8:40 PM EDT
Completed Phase 2 Interventional Results available

Heart Failure Polypill at a Safety Net Hospital

NCT06029712
View directory record Official record
Conditions
Heart Failure With Reduced Ejection Fraction, HIV Infections
Interventions
Heart failure polypill, Control Rx
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 31, 2025 · Synced Oct 18, 2026, 8:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutritious Eating With Soul at Rare Variety Cafe

NCT04513769
View directory record Official record
Conditions
Obesity
Interventions
Vegan diet
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated May 17, 2022 · Synced Oct 18, 2026, 8:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of a Dietary Intervention on Insulin Requirements in Type 1 Diabetes

NCT04944316
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Dietary intervention
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Sep 27, 2024 · Synced Oct 18, 2026, 8:40 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Diabetes Reversal Online Program and Study (DROP Study)

NCT05572502
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
plant-based diet
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 18, 2024 · Synced Oct 18, 2026, 8:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Twins Nutrition Study (TwiNS): Vegan vs. Omnivore

NCT05297825
View directory record Official record
Conditions
Lipid Metabolism, Glucose Intolerance, Weight Change, Body, Microbiome, Inflammation, Immune Function
Interventions
Vegan diet, Omnivore diet
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jan 12, 2024 · Synced Oct 18, 2026, 8:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Prospective Study of Nutraceutical Supplements to Support Hair Growth in Females

NCT06376409
View directory record Official record
Conditions
Hair Thinning
Interventions
Nutrafol Women's Hair Growth Supplement, Nutrafol Women's Balance Hair Growth Supplement, Nutrafol Women's Vegan Hair Growth Supplement, Nutrafol Women's Postpartum Hair Growth Supplement
Dietary Supplement
Lead sponsor
Nutraceutical Wellness Inc.
Industry
Eligibility
18 Years to 70 Years · Female only
Enrollment
181 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jul 9, 2025 · Synced Oct 18, 2026, 8:40 PM EDT
Completed Not applicable Interventional

Practice Based Nutrition Intervention-2

NCT01700868
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Vegan diet, American Diabetes Association guidelines
Other
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Oct 20, 2015 · Synced Oct 18, 2026, 8:40 PM EDT
Recruiting Phase 1Phase 2 Interventional

Herbal Evaluation Of Artemisia Annua For Small Intestinal Bacterial Overgrowth

NCT06721884
View directory record Official record
Conditions
Small Intestinal Bacterial Overgrowth Syndrome (SIBO)
Interventions
Artemisia Annua Leaf, placebo
Dietary Supplement · Other
Lead sponsor
National University of Natural Medicine
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Oct 18, 2026, 8:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Validation of Plant-Based Vegan Meal for Gastric Emptying Testing in 10 Healthy Subjects

NCT06991036
View directory record Official record
Conditions
Gastric Emptying, Gastroparesis
Interventions
Gastric emptying test
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 25, 2025 · Synced Oct 18, 2026, 8:40 PM EDT
Completed Not applicable Interventional

Vegan vs AHA Diet on Inflammation and Glucometabolic Profile in Patients With CAD

NCT02135939
View directory record Official record
Conditions
Coronary Artery Disease, Inflammation
Interventions
Diet
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 24, 2018 · Synced Oct 18, 2026, 8:40 PM EDT
Active, not recruiting Not applicable Interventional

Nutritional Intervention for Endometriosis

NCT05175248
View directory record Official record
Conditions
Endometriosis
Interventions
Plant-based Intervention Group
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Oct 18, 2026, 8:40 PM EDT
Completed Not applicable Interventional

A Nutritional Intervention for Arthritis

NCT01544101
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Vegan Diet, dietary supplement omega3 fatty acids aand vitamins
Other · Dietary Supplement
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Oct 19, 2012 · Synced Oct 18, 2026, 8:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Dietary Restriction of Animal Protein and Fat on Osteoarthritis

NCT01939262
View directory record Official record
Conditions
Osteoarthritis
Interventions
Limitation of Animal Fat and Protein in the Diet, Control
Other
Lead sponsor
Essentia Health
Other
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Traverse City, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 20, 2013 · Synced Oct 18, 2026, 8:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Worksite Nutrition Study

NCT00481897
View directory record Official record
Conditions
Overweight, Type 2 Diabetes
Interventions
low-fat, vegan diet
Behavioral
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
113 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Aug 7, 2012 · Synced Oct 18, 2026, 8:40 PM EDT