Search | Clinical Trials Finder

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ClinicalTrials.gov public records Last synced Nov 5, 2026, 8:39 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 361–384 of 870 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: No diet Clear all

Conditions: Obesity
Interventions: Physical Activity and Dietary Health Promotion Program; Behavioral
Lead sponsor: University of South Carolina; Other
Eligibility: 18 Years and older
Enrollment: 1,600 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2006 – 2011
U.S. locations: 1
States / cities: Lane, South Carolina

Conditions: Cardiovascular Diseases, Diabetes Mellitus, Obesity
Interventions: Personal testimonial, Forks Over Knives Documentary, Commitment nudge, Prevention nudge; Behavioral
Lead sponsor: Geisinger Clinic; Other
Eligibility: 18 Years and older
Enrollment: 11,234 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2022
U.S. locations: 1
States / cities: Danville, Pennsylvania

Conditions: GI Colonization of Vancomycin-resistant Enterococcus
Interventions: probiotics, yogurt; Dietary Supplement
Lead sponsor: Oregon Health and Science University; Other
Eligibility: 18 Years to 70 Years
Enrollment: 8 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2010
U.S. locations: 1
States / cities: Portland, Oregon

Conditions: Pre-diabetes
Interventions: Normal Diet, Low carb diet, CGM with no real time feedback, CGM with real time feedback), Education material; Other · Device · Behavioral
Lead sponsor: University of Michigan; Other
Eligibility: 21 Years and older
Enrollment: 15 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2019
U.S. locations: 1
States / cities: Livonia, Michigan

Conditions: Menopause
Interventions: Flaxseed; Dietary Supplement
Lead sponsor: Colorado State University; Other
Eligibility: 20 Years to 40 Years · Female only
Enrollment: 30 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017 – 2022
U.S. locations: 1
States / cities: Fort Collins, Colorado

Conditions: Breast Cancer
Interventions: Lovaza 4gm oral, Raloxifene 60 Mg Oral Tablet, Raloxifene 30 Mg Oral Tablet, Lovaza 4gm & Raloxifene 30mg; Dietary Supplement · Drug
Lead sponsor: Milton S. Hershey Medical Center; Other
Eligibility: 35 Years to 70 Years · Female only
Enrollment: 266 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2009 – 2015
U.S. locations: 1
States / cities: Hershey, Pennsylvania

Conditions: Cardiovascular Disease
Interventions: Walnut Diet, Walnut Control Diet, Low ALA Diet; Other
Lead sponsor: Penn State University; Other
Eligibility: 30 Years to 65 Years
Enrollment: 46 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2014 – 2018
U.S. locations: 1
States / cities: University Park, Pennsylvania

Conditions: Macular Degeneration, Retinal Degeneration, Retinal Diseases, Eye Diseases
Interventions: Pistachio Group; Dietary Supplement
Lead sponsor: Tufts University; Other
Eligibility: 40 Years to 70 Years
Enrollment: 40 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2022 – 2023
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Laparoscopic Hysterectomy and/or Laparoscopic Sacrocolpopexy
Interventions: Fleet Enema (sodium biphosphate and sodium phosphate); Drug
Lead sponsor: University of North Carolina, Chapel Hill; Other
Eligibility: 18 Years and older · Female only
Enrollment: 160 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2013
U.S. locations: 1
States / cities: Chapel Hill, North Carolina

Conditions: Acromegaly
Interventions: Diet; Other
Lead sponsor: Cedars-Sinai Medical Center; Other
Eligibility: 18 Years and older
Enrollment: 9 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2025
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Overweight and Obesity
Interventions: Exercise Protocol, Calorie-Restrictive Low Carbohydrate Diet (CR-LC), Ancestral Diet (AD); Other
Lead sponsor: University of Miami; Other
Eligibility: 18 Years to 65 Years
Enrollment: 31 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019
U.S. locations: 1
States / cities: Miami, Florida

Conditions: Gut Microbiome, Linear Growth
Interventions: Baby Foods - Meat, Baby Foods - Dairy, Baby Foods - Plant, Foods from the home; Other
Lead sponsor: University of Colorado, Denver; Other
Eligibility: 4 Months to 60 Months
Enrollment: 267 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2021 – 2026
U.S. locations: 1
States / cities: Aurora, Colorado

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: Obesity, Hypertension
Interventions: SMART; Behavioral
Lead sponsor: Colorado Center for Chronic Care Innovations, Inc.; Other
Eligibility: 18 Years to 65 Years
Enrollment: 110 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2008
U.S. locations: 2
States / cities: Westminster, Colorado

Conditions: Sleep Deprivation, Nutritional Intervention
Interventions: Ketogenic Intervention, Mediterranean Intervention, Placebo, Ketone Ester; Other · Dietary Supplement
Lead sponsor: Ohio State University; Other
Eligibility: 18 Years to 40 Years
Enrollment: 60 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2027
U.S. locations: 1
States / cities: Columbus, Ohio

Conditions: Argininosuccinate Lyase Deficiency, Urea Cycle Disorder, Urea Cycle Disorders, Inborn, Argininosuccinic Aciduria
Interventions: Neo-ASA, Placebo; Dietary Supplement
Lead sponsor: Baylor College of Medicine; Other
Eligibility: 6 Years to 50 Years
Enrollment: 16 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2023
U.S. locations: 1
States / cities: Houston, Texas

Conditions: Weight Loss, Blood Pressure, Lipid Disorder, PreDiabetes, Diabete Mellitus
Interventions: Low-fat plant-based diet; Behavioral
Lead sponsor: Physicians Committee for Responsible Medicine; Other
Eligibility: 18 Years and older
Enrollment: 48 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2020
U.S. locations: 1
States / cities: Washington D.C., District of Columbia

Conditions: Obesity and Type 2 Diabetes, Metabolic Diseases, High-intensity Interval Training, Time-restricted Eating
Interventions: High-intensity interval training, Time-restricted eating; Behavioral
Lead sponsor: Syracuse University; Other
Eligibility: 14 Years to 30 Years
Enrollment: 40 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2025
U.S. locations: 1
States / cities: Syracuse, New York

Conditions: Bipolar Disorder
Interventions: Non-ketogenic Diet, Ketogenic Diet, No diet; Other
Lead sponsor: University of Pittsburgh; Other
Eligibility: 18 Years to 40 Years
Enrollment: 107 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2027
U.S. locations: 1
States / cities: Pittsburgh, Pennsylvania

Conditions: Diabetes Type II
Interventions: Low Carbohydrate Diet, American Diabetes Association Diet, Mindfulness and Positive Affect Skills; Behavioral
Lead sponsor: University of California, San Francisco; Other
Eligibility: 18 Years and older
Enrollment: 34 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2013
U.S. locations: 1
States / cities: San Francisco, California

Conditions: Body Weight
Interventions: Device: FitBit Flex wrist band, Device: FitBit Aria weight scale, Diet Intake Messages, Behavioral Counseling; Behavioral
Lead sponsor: Boston Medical Center; Other
Eligibility: 18 Years and older · Female only
Enrollment: 10 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Pyruvate Dehydrogenase Complex Deficiency Disease
Interventions: No intervention; Other
Lead sponsor: University of Pittsburgh; Other
Eligibility: Not listed
Enrollment: 150 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015 – 2030
U.S. locations: 1
States / cities: Pittsburgh, Pennsylvania

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: 15 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2014
U.S. locations: 1
States / cities: Washington D.C., District of Columbia

Conditions: Prebiotics and Human Behavior and Cognition
Interventions: Inulin, Placebo (maltodextrin); Dietary Supplement
Lead sponsor: Duke University; Other
Eligibility: 18 Years to 35 Years
Enrollment: 41 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2020
U.S. locations: 1
States / cities: Durham, North Carolina

Search by objective public record fields.

Effectiveness of a Church-Based Program at Increasing Physical Activity and Healthy Dietary Habits in African Americans

Evaluation of a Letter Intervention Promoting a Plant-based Diet

The Influence of Probiotics on Vancomycin-Resistant Enterococcus

Continuous Glucose Monitoring (CGM) With a Low Carbohydrate Diet to Reduce Weight in Patients With Pre-Diabetes

The Role of the Gut Microbiota in Estrogen Metabolism and Dietary Flax as a Potential Modulator.

Nutritional Supplements and Hormonal Manipulations for Breast Cancer Prevention

Effects of Walnuts on Central Blood Pressure, Arterial Stiffness Indices, Lipoproteins, and Other CVD Risk Factors

Pistachios and Neural Macular Pigment

Mechanical Bowel Preparation Before Laparoscopic Hysterectomy and Laparoscopic Sacrocolpopexy: a Randomized Controlled Trial

Diet in the Management of Acromegaly

Exercise and Nutrition on Obese Microbiome

Effects of Complementary Feeding on Infant Growth and Gut Health

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

The Short-Term Effect of a Technology Driven Weight Control (SMART) Program for Obese Adults

Ketone Conferred Resiliency Against Sleep Restriction With Nutritional Intervention.

Nitric Oxide Supplementation on Neurocognitive Functions in Patients With ASLD

Feasibility & Implementation of a Plant-Based Weight-Loss Program in an Office-Based Setting

Effects of HIIT vs. TRE on Type 2 Diabetes Risk

Examining Neurobiological Mechanisms Underlying the Therapeutic Effect of the Ketogenic Diet in Bipolar Disorder (BD)

A Pilot Study of the Effects of Diet and Behavioral Interventions on Health in Diabetics

Weight Management Among Breast Cancer Survivors

Natural History and Advanced Genetic Study of Pyruvate Dehydrogenase Complex Deficiencies

A Nutritional Intervention for Diabetic Neuropathy

Measuring Effects of Prebiotics on Human Behavior and Cognition