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ClinicalTrials.gov public records Last synced Sep 30, 2026, 10:42 AM EDT

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Showing 25–48 of 279 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: plant-based diet Clear all
Completed Not applicable Interventional

A Nutritional Intervention for Diabetic Neuropathy (WCCR-DN2)

NCT01953757
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 27, 2015 · Synced Sep 30, 2026, 10:42 AM EDT
Completed Phase 4 Interventional Results available

BREATHE 2 Clinic Stop-Smoking Treatment Outreach Study

NCT05683821
View directory record Official record
Conditions
Quitting Smoking, Smoking Cessation, Smoking, Cigarette
Interventions
Text message smoking treatment, Nicotine replacement therapy sampling, Wisconsin Tobacco QuitLine Referral, Referral to Primary Care Provider, BREATHE 2 Cessation Study, Additional modalities to learn about and request treatment
Behavioral · Drug · Combination Product
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
12,376 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Sep 30, 2026, 10:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Short-term Diet on HDL Composition and Function

NCT03205254
View directory record Official record
Conditions
Diet Modification, HDL, Inflammation
Interventions
Mediterranean Diet, Fast food diet
Other
Lead sponsor
University of California, Davis
Other
Eligibility
19 Years to 30 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Aug 12, 2021 · Synced Sep 30, 2026, 10:42 AM EDT
Not yet recruiting Not applicable Interventional

Abstinence Reinforcement Therapy for Veterans Who Smoke Tobacco and Are Experiencing Homelessness

NCT07714200
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Cognitive Behavioral Therapy for Smoking Cessation, Nicotine Replacement Therapy, Bupropion, Varenicline, Mobile Contingency Management, Clinic-Based Smoking Cessation Counseling
Behavioral · Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2030
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Sep 30, 2026, 10:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Healthy Eating for Reproductive Health (HERHealth)

NCT01509066
View directory record Official record
Conditions
Polycystic Ovarian Syndrome, Infertility, Obesity, Overweight
Interventions
Diet
Other
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 18, 2019 · Synced Sep 30, 2026, 10:42 AM EDT
Recruiting Not applicable Interventional

Every Day Counts: A Lifestyle Program for Women With Metastatic Breast Cancer

NCT03824145
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Lifestyle Intervention, Attention Control
Behavioral
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older · Female only
Enrollment
176 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
2
States / cities
Maywood, Illinois • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Sep 30, 2026, 10:42 AM EDT
Completed Not applicable Interventional

Destiffening and Hypotensive Effects of Whole Milk and Full-fat Dairy Products

NCT02397902
View directory record Official record
Conditions
Hypertension, Prehypertension
Interventions
High fat dairy, Plant-based
Dietary Supplement
Lead sponsor
University of Texas at Austin
Other
Eligibility
20 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Feb 1, 2018 · Synced Sep 30, 2026, 10:42 AM EDT
Completed Not applicable Interventional Results available

Smoking Treatment and Exercise Program for Underserved Populations (STEP UP)

NCT02873754
View directory record Official record
Conditions
Smoking
Interventions
Cognitive Behavioral Counseling, Mobile Contingency Management, Bupropion, Transdermal nicotine patch, Nicotine polacrilex, Nicotine lozenge
Behavioral · Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 70 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 13, 2018 · Synced Sep 30, 2026, 10:42 AM EDT
Completed Phase 2 Interventional Results available

The ENRGISE (ENabling Reduction of Low-Grade Inflammation in SEniors) Pilot Study

NCT02676466
View directory record Official record
Conditions
Inflammation
Interventions
Omega-3 fish oil, Losartan, Corn Oil (Fish oil Placebo), Cellulose Based (Losartan Placebo)
Dietary Supplement · Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
70 Years and older
Enrollment
289 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
5
States / cities
Gainesville, Florida • Chicago, Illinois • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced Sep 30, 2026, 10:42 AM EDT
Withdrawn Not applicable Interventional

Vaginal Dilator Therapy Among Women With Gynecologic and Breast Cancers Experiencing Dyspareunia

NCT05129332
View directory record Official record
Conditions
Dyspareunia
Interventions
Vaginal Moisturizer, Vaginal Dilator
Other · Device
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
New York, New York • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Apr 4, 2024 · Synced Sep 30, 2026, 10:42 AM EDT
Active, not recruiting Not applicable Interventional

Whole-Food Plant-Based Diet to Control Weight and MetaboInflammation in Overweight/Obese Men With Prostate Cancer

NCT05471414
View directory record Official record
Conditions
Prostate Cancer
Interventions
Whole-food, Plant-Based Diet, General Nutritional Counseling
Behavioral
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
45 Years to 99 Years · Male only
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
3
States / cities
Baltimore, Maryland • New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 30, 2026, 10:42 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

How Animal and Plant Protein Shakes Change the Body's Nutrient and Health Responses

NCT07121010
View directory record Official record
Conditions
Cardiometabolic Health
Interventions
Animal-Based Protein Smoothie, Plant-Based Protein Smoothie, Plant-Based Protein Smoothie with Leucine
Dietary Supplement
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 25, 2026 · Synced Sep 30, 2026, 10:42 AM EDT
Completed Phase 3 Interventional Results available

Second Line Induction Therapy and Healthy Diet for Patients With Ulcerative Colitis

NCT04505410
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
A plant based high fiber diet that mimics fasting ("FMD") plus advanced therapy, Advanced therapy only without dietary intervention
Other · Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 28, 2025 · Synced Sep 30, 2026, 10:42 AM 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 Sep 30, 2026, 10:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study of Plant-based Diet on Postprandial Sleepiness

NCT05706649
View directory record Official record
Conditions
Drowsiness
Interventions
Plant-based diet
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 13, 2023 · Synced Sep 30, 2026, 10:42 AM EDT
Completed Not applicable Interventional

Feasibility and Preliminary Effects of Fasting-Mimicking Diet in Asian Americans With Prediabetes

NCT06518798
View directory record Official record
Conditions
Prediabetes, Prediabetic State
Interventions
Fasting Mimicking Diet
Behavioral
Lead sponsor
University of California, Irvine
Other
Eligibility
30 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Sep 30, 2026, 10:42 AM EDT
Completed Not applicable Interventional

A Nutrition Intervention for Arthritis -2

NCT01700881
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Plant-based diet, Supplement
Other
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years to 90 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 18, 2021 · Synced Sep 30, 2026, 10:42 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Nutritious Eating With Soul Dissemination and Implementation

NCT05659966
View directory record Official record
Conditions
Nutrition, Healthy, Eating Behavior
Interventions
Plant-based diet, Voucher only
Behavioral · Other
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
228 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Dec 31, 2025 · Synced Sep 30, 2026, 10:42 AM EDT
Recruiting Not applicable Interventional

Intermittent Fasting in Prostate Cancer Patients Receiving Androgen Deprivation Therapy

NCT06172283
View directory record Official record
Conditions
Prostate Cancer
Interventions
Intermittent Fasting
Other
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years and older · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Sep 30, 2026, 10:42 AM EDT
Completed Phase 2 Interventional

Tobacco Treatment Optimization and Preferences During Concurrent Cancer Treatment

NCT04634071
View directory record Official record
Conditions
Smoking Cessation, Cancer, Treatment-Related
Interventions
Varenicline, Bupropion, Long-acting nicotine replacement therapy, Low-intensity counseling, High-intensity counseling, No nicotine replacement therapy, Nicotine Replacement Products
Drug · Behavioral · Other
Lead sponsor
Joseph Valentino, MD
Other
Eligibility
18 Years and older
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
3
States / cities
Bowling Green, Kentucky • Lexington, Kentucky • Owensboro, Kentucky
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced Sep 30, 2026, 10:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Very Low Carbohydrate Ketogenic Diet or Mediterranean Diet on Markers of Musculoskeletal Health in Older Adults

NCT06203392
View directory record Official record
Conditions
Aging, Musculoskeletal Diseases
Interventions
Very low carbohydrate ketogenic diet, Mediterranean diet
Other
Lead sponsor
University of Florida
Other
Eligibility
55 Years to 80 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Sep 30, 2026, 10:42 AM EDT
Terminated Not applicable Interventional

Whole Food Plant-based Diet Effect on Obstructive Sleep Apnea

NCT06395181
View directory record Official record
Conditions
Obstructive Sleep Apnea, Daytime Sleepiness
Interventions
Whole Food Plant-Based Diet
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Sep 30, 2026, 10:42 AM EDT
Active, not recruiting Not applicable Interventional

Study on Use of Omega-3 Fatty Acids to Improve Outcomes in Individuals With Sickle Cell Disease

NCT05758766
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Plant-based omega-3-FA
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
5 Years to 18 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 23, 2026 · Synced Sep 30, 2026, 10:42 AM EDT
Recruiting Not applicable Interventional

Effects of Lean Pork Loin Intake on Protein Homeostasis and Glucose Regulation in Prediabetic Adults

NCT06025292
View directory record Official record
Conditions
Hyperglycaemia (Non Diabetic), Prediabetes
Interventions
Lean Pork vs Plant-Based Protein
Other
Lead sponsor
University of Arkansas
Other
Eligibility
40 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 30, 2026, 10:42 AM EDT