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ClinicalTrials.gov public records Last synced Oct 6, 2026, 1:05 AM EDT

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Showing 49–72 of 279 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: plant-based diet Clear all
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Tailored Tobacco Quitline for Rural Veterans

NCT01592695
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Nicotine replacement therapy - transdermal nicotine patch, Tailored behavioral intervention, Tobacco quit line referral, Nicotine replacement therapy - nicotine gum, Nicotine replacement therapy - nicotine lozenge, Bupropion Sustained Release, Varenicline, Combination pharmacotherapy - transdermal nicotine patch + nicotine gum, Combination pharmacotherapy - transdermal nicotine patch + nicotine lozenge, Combination pharmacotherapy - transdermal nicotine patch + bupropion, Alcohol use risk reduction, Behavioral activation for the treatment of depression, Behavioral management of post-cessation weight gain
Drug · Behavioral
Lead sponsor
Iowa City Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 99 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Aug 2, 2019 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Community-Based Nutrition-Lifestyle Therapy for Pregnant Latina Women With Diabetes

NCT06218147
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Diabetes Mel Gestational - in Pregnancy
Interventions
Nutrition-behavior lifestyle program
Behavioral
Lead sponsor
Sansum Diabetes Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Santa Barbara, California
Source: ClinicalTrials.gov public record
Updated Apr 3, 2025 · Synced Oct 6, 2026, 1:05 AM 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 6, 2026, 1:05 AM EDT
Not yet recruiting Phase 1Phase 2 Interventional

A Nutritional and Pharmacological Intervention for Body, Brain, and Longevity Effects (NIBBLE)

NCT06682767
View directory record Official record
Conditions
Cerebral Blood Flow, APOE 4
Interventions
FMD1 (LNT22-017-1), Rapamycin, Placebo
Dietary Supplement · Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
45 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Phase 2 Interventional Results available

The Role Of Omega-3 Fatty Acids In Adolescent Depression

NCT00962598
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
Omega 3 Fatty Acids, Corn oil
Drug · Dietary Supplement
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
12 Years to 19 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 24, 2018 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Changing the Default for Tobacco Treatment

NCT02721082
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Opt Out Treatment Program, Nicotine Replacement Therapy, Opt In Treatment Program
Behavioral · Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Dec 1, 2022 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Contrasting Ketogenic and Mediterranean Diets in Individuals With Type 2 Diabetes and Prediabetes: The Keto-Med Trial

NCT03810378
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 21, 2023 · Synced Oct 6, 2026, 1:05 AM EDT
Recruiting Not applicable Interventional

The Treatment of Painful Diabetic Neuropathy With Diet

NCT07509671
View directory record Official record
Conditions
Painful Diabetic Neuropathy (PDN), Peripheral Neuropathy With Type 2 Diabetes, Vegan Diet
Interventions
Diet, Medical management
Other
Lead sponsor
AdventHealth
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Hendersonville, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Oct 6, 2026, 1:05 AM EDT
Recruiting Not applicable Interventional

A Pilot, Feasibility Study of Intermittent Caloric Restriction Plus Plant-based Diet in Cancer Patients Receiving Chemotherapy

NCT05359848
View directory record Official record
Conditions
Medical Oncology, Integrative Oncology, Medical Nutrition Therapy
Interventions
Diet
Other
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
2
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Feb 20, 2026 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Phase 4 Interventional Results available

Evaluation of Treatments to Improve Smoking Cessation Medication Adherence

NCT01120704
View directory record Official record
Conditions
Smoking, Smoking Cessation, Adherence, Nicotine Dependence, Motivation
Interventions
Short Term Combination Nicotine Replacement Therapy (patch + gum), Long Term Combination Nicotine Replacement Therapy (patch + gum), Intensive Maintenance Counseling, Cognitive Medication Adherence Counseling (CAM), Electronic Medication Monitoring Device (the Helping Hand) + Feedback, Automated Adherence Prompting Phone Calls
Drug · Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 99 Years
Enrollment
544 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 11, 2015 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bioavailability of Zinc and Iron From a Whey-based Protein Supplement Consumed With a Habitual Plant-based Diet

NCT02208622
View directory record Official record
Conditions
Nutritional Deficiency
Interventions
Study 1: Whey Supplement Day 1, Study 1: Whey Supplement Day 2, Study 2: Whey Supplement
Dietary Supplement
Lead sponsor
University of Colorado, Denver
Other
Eligibility
2 Years to 3 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 5, 2019 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Not applicable Interventional Results available

Improving Adherence to Web-Based Cessation Programs: A Social Network Approach

NCT01544153
View directory record Official record
Conditions
Smoking Cessation
Interventions
WEB, Social Network, Nicotine Replacement Therapy (NRT)
Behavioral
Lead sponsor
Truth Initiative
Other
Eligibility
18 Years and older
Enrollment
5,292 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Nov 13, 2017 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Not applicable Interventional

A Nutrition Intervention for Arthritis -4 (WCCR-ARTH4)

NCT03580681
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Plant-based diet, Supplement
Other · Dietary Supplement
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years to 90 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 18, 2021 · Synced Oct 6, 2026, 1:05 AM EDT
Recruiting Not applicable Interventional

A Study of a Plant-Based Diet and Dietary Supplements in People With Smoldering Multiple Myeloma (SMM) or Monoclonal Gammopathy of Undetermined Significance (MGUS)

NCT06055894
View directory record Official record
Conditions
Multiple Myeloma, Smoldering, Multiple Myeloma, Monoclonal Gammopathy of Undetermined Significance
Interventions
Omega-3, Curcumin, Probiotic, Whole food, plant-based diet (WFPBD)
Dietary Supplement · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Not applicable Interventional

A Clinical Trial to Evaluate the Effects of a Plant-Based Liquid Supplement on Metabolic Health and Overall Well-Being

NCT07673432
View directory record Official record
Conditions
Metabolic Health, Elevated Liver Enzymes, Digestive Symptoms
Interventions
Plant-Based Liquid Supplement
Dietary Supplement
Lead sponsor
Biocol Labs
Industry
Eligibility
40 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Not applicable Interventional

Partial-enteral Nutrition Protocol for Crohn's Disease

NCT07113431
View directory record Official record
Conditions
Crohn's Disease(CD)
Interventions
IBD-AID diet combined with Kate Farms Peptide 1.5, IBD-AID diet
Dietary Supplement · Other
Lead sponsor
Kate Farms Inc
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Oct 6, 2026, 1:05 AM 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 6, 2026, 1:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating a Remotely Delivered Plant-Based Behavioral Weight Loss Treatment

NCT04892030
View directory record Official record
Conditions
Obesity, Overweight
Interventions
Whole Food Plant-Based Behavioral Weight Loss Treatment
Behavioral
Lead sponsor
Drexel University
Other
Eligibility
18 Years to 75 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 1, 2021 · Synced Oct 6, 2026, 1:05 AM EDT
Recruiting Not applicable Interventional

Mediterranean Diet vs no Dietary Intervention for Improving Signs and Symptoms of Psoriasis in Patients Treated With Anti-IL-17 or Anti-IL-23 Inhibitors

NCT06399432
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Not applicable Interventional

Pilot Study on the Effects of a Plant-Strong Diet on Cardiovascular Risk Factors

NCT03330548
View directory record Official record
Conditions
Hyperlipidemias, Overweight and Obesity, Diabetes
Interventions
TeleMOVE!, Culinary Rx
Behavioral
Lead sponsor
Phoenix VA Health Care System
Federal
Eligibility
18 Years to 89 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 11, 2021 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Phase 2Phase 3 Interventional Results available

CPT and Smoking Cessation

NCT01901848
View directory record Official record
Conditions
Stress Disorders, Post-Traumatic, Smoking
Interventions
Cognitive Processing Therapy (CPT), Bupropion, nicotine replacement therapy (NRT), Integrated Care for Smoking Cessation (ICSC), smokefreeVET
Behavioral · Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 11, 2018 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Obesity, Iron Regulation and Colorectal Cancer Risk

NCT03548948
View directory record Official record
Conditions
Colon Inflammation, Iron Malabsorption, Obesity, Diet Modification
Interventions
High heme iron diet, Low iron diet, Plant-based high non-heme iron diet
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
55 Years to 70 Years · Female only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 27, 2019 · Synced Oct 6, 2026, 1:05 AM EDT
Terminated Not applicable Interventional

Reducing Insulin, Growth Hormones, and Tumors

NCT03785808
View directory record Official record
Conditions
Diet Modification, Lung Cancer
Interventions
Special Diet Therapy (low-carb), Special Diet Therapy (low-fat), Special Diet Therapy (USDA control)
Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 12, 2019 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Not applicable Interventional Results available

Low Fat Vegan or American Heart Association Diets & Cardiovascular Risk in Obese 9-18 y.o. With Elevated Cholesterol

NCT01817491
View directory record Official record
Conditions
Cardiovascular Disease, Hypercholesterolemia, Obesity, Fatty Liver
Interventions
American Heart Association Diet, Reduced Fat Vegan Diet
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
9 Years to 18 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 15, 2021 · Synced Oct 6, 2026, 1:05 AM EDT