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Showing 25–48 of 68 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: Vegetarian Diet Clear all

Conditions: Migraines
Interventions: Vegan Diet, mixture of omega3 and vitamins; Other · Dietary Supplement
Lead sponsor: Physicians Committee for Responsible Medicine; Other
Eligibility: 18 Years and older
Enrollment: 16 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2012
U.S. locations: 1
States / cities: Washington D.C., District of Columbia

Conditions: Aging
Interventions: Residential Insight Meditation Retreat; Other
Lead sponsor: University of California, Davis; Other
Eligibility: 18 Years to 70 Years
Enrollment: 66 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2013 – 2014
U.S. locations: 1
States / cities: Davis, California

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

Conditions: Cardiovascular Outcome, Overweight and Obese Women, Perimenopausal Women, Vasomotor Symptoms (VMS)
Interventions: Pork Diet, Plant Diet; Behavioral
Lead sponsor: Pennington Biomedical Research Center; Other
Eligibility: 40 Years to 55 Years · Female only
Enrollment: 30 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2025 – 2027
U.S. locations: 1
States / cities: Baton Rouge, Louisiana

Conditions: Cancer Breast, Cancer Prostate
Interventions: Dietary Supplement: N-111, Placebo; Dietary Supplement · Other
Lead sponsor: Optimal Health Research; Other
Eligibility: 25 Years to 80 Years
Enrollment: 160 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2024
U.S. locations: 1
States / cities: Salt Lake City, Utah

Conditions: Muscle Weakness
Interventions: mung bean protein, control biscuit; Dietary Supplement · Other
Lead sponsor: Arizona State University; Other
Eligibility: 18 Years to 55 Years
Enrollment: 37 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2019
U.S. locations: 1
States / cities: Phoenix, Arizona

Conditions: Chronic Kidney Disease Stage 3
Interventions: Controlled dietary intervention; Other
Lead sponsor: Indiana University; Other
Eligibility: 40 Years to 70 Years
Enrollment: 15 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2027
U.S. locations: 1
States / cities: West Lafayette, Indiana

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

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

Conditions: Hot Flashes
Interventions: low-fat vegan diet with 1/2 cup soybeans daily; Other
Lead sponsor: Physicians Committee for Responsible Medicine; Other
Eligibility: 40 Years to 60 Years · Female only
Enrollment: 80 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2020 – 2021
U.S. locations: 1
States / cities: Washington D.C., District of Columbia

Conditions: Stress, Quality of Life
Interventions: Probiotic, Placebo; Dietary Supplement
Lead sponsor: Loma Linda University; Other
Eligibility: 18 Years to 90 Years
Enrollment: 100 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2021 – 2022
U.S. locations: 1
States / cities: Loma Linda, California

Conditions: Type 2 Diabetes Mellitus (T2DM), Type 2 Diabetes
Interventions: NOURISH Diet, Self-Selected Diet (Control); Other
Lead sponsor: Stanford University; Other
Eligibility: 18 Years and older
Enrollment: 30 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2027
U.S. locations: 1
States / cities: Stanford, California

Conditions: Diet, Healthy
Interventions: Active Cooking Classes, Meal Kits, Recipes; Behavioral
Lead sponsor: University of Vermont; Other
Eligibility: 18 Years to 25 Years
Enrollment: 53 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2020
U.S. locations: 1
States / cities: Burlington, Vermont

Conditions: Acne
Interventions: Low-fat, vegan diet, Control; Behavioral
Lead sponsor: Physicians Committee for Responsible Medicine; Other
Eligibility: 18 Years and older
Enrollment: 43 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2009 – 2010
U.S. locations: 1
States / cities: Washington D.C., District of Columbia

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

Conditions: Chronic Disease
Interventions: Survey using a questionnaire.; Other
Lead sponsor: University of Maryland, Baltimore; Other
Eligibility: 18 Years to 88 Years
Enrollment: 150 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2026
U.S. locations: 3
States / cities: Baltimore, Maryland

Conditions: Healthy Lifestyle
Interventions: Meat based, Pulse based; Other
Lead sponsor: South Dakota State University; Other
Eligibility: 60 Years and older
Enrollment: 76 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2022 – 2023
U.S. locations: 1
States / cities: Brookings, South Dakota

Conditions: Iron Absorption
Interventions: Not listed
Lead sponsor: Baylor College of Medicine; Other
Eligibility: 4 Years to 10 Years
Enrollment: 29 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012 – 2014
U.S. locations: 1
States / cities: Houston, Texas

Conditions: Cirrhosis, Hepatic Encephalopathy
Interventions: One meal; Other
Lead sponsor: Hunter Holmes Mcguire Veteran Affairs Medical Center; Federal
Eligibility: 18 Years and older
Enrollment: 30 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2023
U.S. locations: 1
States / cities: Richmond, Virginia

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

Conditions: Diet Modification
Interventions: Controlled healthy vegetarian diet, Controlled beef diet; Other
Lead sponsor: Purdue University; Other
Eligibility: 30 Years to 69 Years
Enrollment: 43 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2021
U.S. locations: 1
States / cities: West Lafayette, Indiana

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

Conditions: Appetite, Weight Loss
Interventions: Higher Protein (HP), Lower Protein (LP); Other
Lead sponsor: Purdue University; Other
Eligibility: 21 Years and older · Female only
Healthy volunteers: Accepts healthy volunteers
U.S. locations: 1
States / cities: West Lafayette, Indiana

Conditions: Diabetes Mellitus, Type 2
Interventions: Low-fat, low-Glycemic Index, vegan diet; Behavioral
Lead sponsor: Physicians Committee for Responsible Medicine; Other
Eligibility: 18 Years and older
Enrollment: 99 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2003 – 2006
U.S. locations: 1
States / cities: Washington D.C., District of Columbia