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ClinicalTrials.gov public records Last synced Nov 7, 2026, 8:53 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 529–552 of 871 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: No diet Clear all

Conditions: Stage I Prostate Cancer, Stage IIA Prostate Cancer, Stage IIB Prostate Cancer, Stage III Prostate Cancer, Stage IV Prostate Cancer
Interventions: dietary intervention (tangerine tomato juice), dietary intervention (red tomato juice), questionnaire administration, Correlative studies; Dietary Supplement · Other
Lead sponsor: Ohio State University Comprehensive Cancer Center; Other
Eligibility: 21 Years and older · Male only
Enrollment: 45 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015 – 2016
U.S. locations: 2
States / cities: Columbus, Ohio • Dublin, Ohio

Conditions: Crohn's Disease, Active
Interventions: Partial enteral nutrition - orally consumed formula; Dietary Supplement
Lead sponsor: James Lewis; Other
Eligibility: 18 Years to 80 Years
Enrollment: 80 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2029
U.S. locations: 5
States / cities: Beverly Hills, California • New Brunswick, New Jersey • Chapel Hill, North Carolina + 2 more

Conditions: Inflammation, Pregnancy Related
Interventions: DHA supplement, Corn Oil: Soybean Oil; Dietary Supplement
Lead sponsor: Walter Reed National Military Medical Center; Federal
Eligibility: 18 Years and older · Female only
Enrollment: 210 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2020
U.S. locations: 1
States / cities: Bethesda, Maryland

Conditions: Obesity, Obesity, Morbid, Obesity, Primary, Gastro-Intestinal Disorder, Overweight and Obesity, Overweight, Overweight or Obesity, Diabetes Type 2, Diabetes Mellitus, Diabetes Mellitus, Type 2, Hypertension, Hyperlipidemias, Sleep Apnea, GERD, Gastroesophageal Reflux, Musculoskeletal Pain Disorder, Cancer
Interventions: Blood Collection, Urine Collection, Tissue Sample Collection; Diagnostic Test
Lead sponsor: Pichamol Jirapinyo, MD, MPH; Other
Eligibility: 18 Years and older
Enrollment: 500 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2029
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Metabolism
Interventions: Exercise; Behavioral
Lead sponsor: University of Alabama at Birmingham; Other
Eligibility: 3 Years to 7 Years
Enrollment: 20 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2009 – 2011
U.S. locations: 2
States / cities: Birmingham, Alabama

Conditions: Obesity, Type2 Diabetes
Interventions: no intervention used; Other
Lead sponsor: North Dakota State University; Other
Eligibility: 18 Years to 65 Years · Female only
Enrollment: 19 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017
U.S. locations: 1
States / cities: Fargo, North Dakota

Conditions: Overweight, Obesity
Interventions: Group 1, Group 2; Behavioral
Lead sponsor: Weill Medical College of Cornell University; Other
Eligibility: 21 Years to 100 Years
Enrollment: 405 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2009 – 2014
U.S. locations: 6
States / cities: New York, New York • The Bronx, New York

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

Conditions: Polycystic Ovary Syndrome (PCOS)
Interventions: Higher protein dietary pattern, Calorie restriction; Other
Lead sponsor: University of Arkansas, Fayetteville; Other
Eligibility: 18 Years to 50 Years · Female only
Enrollment: 60 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2025 – 2027
U.S. locations: 1
States / cities: Fayetteville, Arkansas

Conditions: Dietary Habits, Physical Inactivity, Sleep Hygiene
Interventions: Experimental; Behavioral
Lead sponsor: Tufts University; Other
Eligibility: 18 Years and older
Enrollment: 48 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2024
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Aging
Interventions: Fecal Microbiota Transplant Capsules, Microbiome Rejuvenating Diet, Placebo Fecal Microbiota Transplantation; Drug · Behavioral · Other
Lead sponsor: Stanford University; Other
Eligibility: 40 Years and older
Enrollment: 80 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026 – 2028
U.S. locations: 1
States / cities: Stanford, California

Conditions: Hypertension, Cognitive Decline
Interventions: Tai Chi; Behavioral
Lead sponsor: University of Connecticut; Other
Eligibility: 55 Years and older
Enrollment: 19 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2025
U.S. locations: 1
States / cities: Storrs, Connecticut

Conditions: Overweight and Obesity
Interventions: Synbiotic Group, Placebo Group; Dietary Supplement · Other
Lead sponsor: Texas Christian University; Other
Eligibility: 18 Years to 50 Years
Enrollment: 75 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2025
U.S. locations: 1
States / cities: Fort Worth, Texas

Conditions: Gestational Diabetes
Interventions: GlucoseMama application with blood sugar monitoring and carb monitoring., Group prenatal care for GDM.; Other
Lead sponsor: University of Maryland, Baltimore; Other
Eligibility: 18 Years to 51 Years · Female only
Enrollment: 22 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2019
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Alzheimer Disease
Interventions: Lifestyle medicine; Behavioral
Lead sponsor: Preventive Medicine Research Institute; Other
Eligibility: 45 Years to 90 Years
Enrollment: 51 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2023
U.S. locations: 4
States / cities: San Diego, California • Sausalito, California • Boston, Massachusetts + 1 more

Conditions: Gastrointestinal Health
Interventions: Dietary fiber; Other
Lead sponsor: Ingredion Incorporated; Industry
Eligibility: 18 Years to 54 Years
Enrollment: 26 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2011 – 2012
U.S. locations: 1
States / cities: Glen Ellyn, Illinois

Conditions: Metabolic Syndrome
Interventions: Walnut Supplementation, No walnut supplementation; Dietary Supplement
Lead sponsor: Griffin Hospital; Other
Eligibility: 25 Years to 75 Years
Enrollment: 40 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010
U.S. locations: 1
States / cities: Derby, Connecticut

Conditions: Hypercholesterolemia
Interventions: Evolocumab, Placebo, Atorvastatin, Ezetimibe, Diet Only; Biological · Drug · Other
Lead sponsor: Amgen; Industry
Eligibility: 18 Years to 80 Years
Enrollment: 905 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2013
U.S. locations: 41
States / cities: Birmingham, Alabama • Little Rock, Arkansas • Anaheim, California + 33 more

Conditions: Weight, Body, Diet Habit
Interventions: Healthy Start to Feeding; Behavioral
Lead sponsor: University of Cincinnati; Other
Eligibility: 3 Months to 10 Months
Enrollment: 34 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2020
U.S. locations: 1
States / cities: Cincinnati, Ohio

Conditions: Diabetes Mellitus
Interventions: Aliskiren + Valsartan; Drug
Lead sponsor: HeartDrug Research LLC; Other
Eligibility: 21 Years to 65 Years
Enrollment: 50 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2011
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Obesity
Interventions: Leptin, Dietary modification, T3 repletion; Drug · Behavioral
Lead sponsor: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK); NIH
Eligibility: 19 Years to 45 Years
Enrollment: 31 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2000 – 2015
U.S. locations: 1
States / cities: New York, New York

Conditions: Epilepsy
Interventions: Modified Atkins Diet (MAD); Other
Lead sponsor: NYU Langone Health; Other
Eligibility: 18 Years and older
Enrollment: 19 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2019
U.S. locations: 2
States / cities: Livingston, New Jersey • New York, New York

Conditions: Dietary Habits
Interventions: Coached; Behavioral
Lead sponsor: Florida Atlantic University; Other
Eligibility: 45 Years to 64 Years · Female only
Enrollment: 54 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2020
U.S. locations: 1
States / cities: Boca Raton, Florida

Conditions: NAFLD, Obesity, Diabetes Mellitus, Type 2
Interventions: Alternate Daily Fasting (ADF), Caloric Restriction (CR); Other
Lead sponsor: University of Florida; Other
Eligibility: 18 Years to 65 Years
Enrollment: 7 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2019
U.S. locations: 1
States / cities: Gainesville, Florida

Search by objective public record fields.

Tangerine or Red Tomato Juice in Treating Patients With Prostate Cancer Undergoing Surgery

Partial Enteral Nutrition as Therapeutic Augmentation of Advanced Pharmacological Therapy in Patients With Active Crohn's Disease

Docosahexaenoic Acid (DHA) Supplementation in High Risk Pregnancies

Biological Sample Repository for Gastrointestinal Disorders

Critical Periods of Exercise

The Effect of Nutrient Intake on the Microbiome, Weight, and Glucoregulation (NI-MWG)

SCALE: Small Changes and Lasting Effects

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

Protein and Polycystic Ovary Syndrome (PCOS)

HEART at Head Start Pilot (Healthy Eating, Activity, Relaxation Trial)

Ecosystem Nourishment for Gut Restoration After Fecal Transplantation

The Influence of Tai Chi Practice on Blood Pressure and Brain Health Among Older Adults With Hypertension (ACTION)

Next-Generation Synbiotic in Individuals With Overweight or Obesity

Group and Mobile Care for Gestational Diabetes

Can Lifestyle Changes Reverse Early-Stage Alzheimer's Disease

Effects of Dietary Fiber on Gastrointestinal Function

Effects of Walnuts on Endothelial Function in Overweight Adults With at Least One Factor of Metabolic Syndrome

Durable Effect of PCSK9 Antibody CompARed wiTh placEbo Study

Healthy Start to Feeding Intervention

Effects of Valsartan and Aliskiren on Hemostatic Indices in Hypertensive Diabetics

Low-Dose Leptin and the Formerly-Obese

Understanding the Mechanism(s) of Action on the Modified Atkins Diet for Epilepsy: Human Brain Tissues

Improving Diet Protein Intake in Middle-aged Women

RCT of Caloric Restriction vs. Alternate-Day Fasting in Non-Alcoholic Fatty Liver Disease