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ClinicalTrials.gov public records Last synced Nov 5, 2026, 1:52 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 1–24 of 326 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: Clinical diet trial Clear all

Conditions: Healthy, Metabolism
Interventions: Personalized dietary and wellness program; Other
Lead sponsor: Habit, LLC; Industry
Eligibility: 30 Years to 65 Years
Enrollment: 110 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017 – 2018
U.S. locations: 1
States / cities: Camden, New Jersey

Conditions: Bipolar I Disorder, Psychosis, Schizoaffective Disorder
Interventions: Ketogenic diet, Dietary Guidelines for Americans; Other
Lead sponsor: Mclean Hospital; Other
Eligibility: 18 Years to 45 Years
Enrollment: 50 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2027
U.S. locations: 1
States / cities: Belmont, Massachusetts

Conditions: Asthma
Interventions: Weight loss intervention; Behavioral
Lead sponsor: Johns Hopkins University; Other
Eligibility: 18 Years and older
Enrollment: 43 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2020
U.S. locations: 2
States / cities: Tucson, Arizona • Burlington, Vermont

Conditions: Coronary Artery Disease, Inflammatory Response, Atherosclerosis
Interventions: eicosapentaenoic acid (EPA),; Dietary Supplement
Lead sponsor: The Cleveland Clinic; Other
Eligibility: 19 Years and older
Enrollment: 53 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2005 – 2007
U.S. locations: 1
States / cities: Willoughby Hills, Ohio

Conditions: Low-GI Dietary Education, ADA Dietary Education
Interventions: Low GI, ADA diet; Behavioral
Lead sponsor: University of Massachusetts, Worcester; Other
Eligibility: 21 Years and older
Enrollment: 40 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2005 – 2012
U.S. locations: 1
States / cities: Worcester, Massachusetts

Conditions: Retinitis Pigmentosa
Interventions: Vitamin A, Docosahexaenoic acid, Control fatty acid; Dietary Supplement
Lead sponsor: Carol Weigel DiFranco; NIH
Eligibility: 18 Years to 55 Years
Enrollment: 221 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 1996 – 2002
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Depression, Obesity
Interventions: Weight loss treatment, Behavior therapy for depression, Health education counseling; Behavioral
Lead sponsor: University of Massachusetts, Worcester; Other
Eligibility: 21 Years to 65 Years · Female only
Enrollment: 161 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2012
U.S. locations: 1
States / cities: Worcester, Massachusetts

Conditions: Leukemia, Myelodysplastic Syndromes
Interventions: Diet; Other
Lead sponsor: University of Florida; Other
Eligibility: 18 Years and older
Enrollment: 217 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2024
U.S. locations: 1
States / cities: Gainesville, Florida

Conditions: Obesity
Interventions: SHINE; Behavioral
Lead sponsor: University of California, San Francisco; Other
Eligibility: 18 Years and older
Enrollment: 194 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2009 – 2013
U.S. locations: 1
States / cities: San Francisco, California

Conditions: Adiposity
Interventions: Vitamin D3 (cholecalciferol), 2000 IU per day, omega-3 fatty acids (fish oil); Dietary Supplement · Drug
Lead sponsor: Brigham and Women's Hospital; Other
Eligibility: 50 Years and older
Enrollment: 600 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012 – 2022
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Alzheimer's Disease, Mild Cognitive Impairment
Interventions: Nutriceutical formulation, Placebo; Dietary Supplement · Other
Lead sponsor: University of Massachusetts, Worcester; Other
Eligibility: 40 Years and older
Enrollment: 135 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008 – 2012
U.S. locations: 8
States / cities: Naples, Florida • Baltimore, Maryland • Ayer, Massachusetts + 5 more

Conditions: Non-verbal Learning Disorder, Autism Spectrum Disorder, Autism
Interventions: Open-label Treatment with Omega-3 Fatty Acids + Inositol, Open-label Treatment with N-acetylcysteine; Drug
Lead sponsor: Massachusetts General Hospital; Other
Eligibility: 5 Years to 17 Years
Enrollment: 54 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2024
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Parkinson Disease
Interventions: Hydrogen, Placebo oral tablet; Drug
Lead sponsor: Stony Brook University; Other
Eligibility: 40 Years to 80 Years
Enrollment: 2 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2021
U.S. locations: 1
States / cities: Stony Brook, New York

Conditions: Diabetes Mellitus, Type 1
Interventions: Anti-CD3 mAb, Diabetes Standard of Care Treatment, Iron supplementation; Biological · Other · Dietary Supplement
Lead sponsor: National Institute of Allergy and Infectious Diseases (NIAID); NIH
Eligibility: 8 Years to 30 Years
Enrollment: 83 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2005 – 2011
U.S. locations: 7
States / cities: San Francisco, California • Denver, Colorado • New Haven, Connecticut + 3 more

Conditions: Atrial Fibrillation
Interventions: Omega -3 fatty acids, Placebo; Drug
Lead sponsor: Brigham and Women's Hospital; Other
Eligibility: 18 Years and older
Enrollment: 1,516 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2012
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Nonalcoholic Steatohepatitis
Interventions: pioglitazone-placebo, pioglitazone, Vitamin E, Vitamin E-placebo; Drug · Dietary Supplement
Lead sponsor: VA Office of Research and Development; Federal
Eligibility: 18 Years to 70 Years
Enrollment: 105 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2016
U.S. locations: 2
States / cities: Gainesville, Florida • San Antonio, Texas

Conditions: Kabuki Syndrome
Interventions: Modified Atkins diet; Dietary Supplement
Lead sponsor: Hugo W. Moser Research Institute at Kennedy Krieger, Inc.; Other
Eligibility: 18 Years and older
Enrollment: 10 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2025
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Neonatal Abstinence Syndrome
Interventions: Human Milk, Standard of Care; Other
Lead sponsor: The University of Texas Health Science Center at San Antonio; Other
Eligibility: Up to 48 Hours
Enrollment: 19 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020 – 2025
U.S. locations: 2
States / cities: San Antonio, Texas

Conditions: Diabetes Mellitus, Type II, Heart Disease, Obesity, Hypertension, Dyslipidemia
Interventions: Microclinic Diabetes Education Program, Control; Behavioral
Lead sponsor: Microclinic International; Other
Eligibility: 18 Years and older
Enrollment: 494 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2014
U.S. locations: 1
States / cities: Pineville, Kentucky

Conditions: Non-Alcoholic Fatty Liver Disease (NAFLD)
Interventions: Milk thistle (MT), Placebo, Lifestyle Modification, Fibroscan; Drug · Behavioral · Device
Lead sponsor: University Hospitals Cleveland Medical Center; Other
Eligibility: 9 Years to 22 Years
Enrollment: 20 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2029
U.S. locations: 1
States / cities: Cleveland, Ohio

Conditions: Exercise Endurance
Interventions: Probiotic, Placebo; Dietary Supplement
Lead sponsor: Lallemand Health Solutions; Industry
Eligibility: 18 Years to 45 Years
Enrollment: 29 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2021
U.S. locations: 1
States / cities: Gainesville, Florida

Conditions: Osteoporosis, Inflammation, Aging
Interventions: SBD111 medical food, Placebo; Other
Lead sponsor: Hebrew SeniorLife; Other
Eligibility: 60 Years and older · Female only
Enrollment: 220 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2029
U.S. locations: 1
States / cities: Roslindale, Massachusetts

Conditions: Mental Health Issue, Depression, Anxiety
Interventions: VIOME Precision Nutrition Program; Combination Product
Lead sponsor: Viome; Industry
Eligibility: 25 Years to 75 Years
Enrollment: 150 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2025
U.S. locations: 1
States / cities: Bothell, Washington

Conditions: Anatomic Stage 0 Breast Cancer AJCC v8, Anatomic Stage 1 Breast Cancer AJCC v8, Anatomic Stage 2 Breast Cancer AJCC v8, Anatomic Stage 3 Breast Cancer AJCC v8, Breast Ductal Carcinoma in Situ, Invasive Breast Carcinoma, Triple Negative Breast Carcinoma
Interventions: Best Practice, Stereotactic Body Radiation Therapy, Resection, Sentinel Lymph Node Biopsy, Dietary Intervention, Questionnaire Administration, Quality-of-Life Assessment, Mammography, Biospecimen Collection; Other · Radiation · Procedure
Lead sponsor: Thomas Jefferson University; Other
Eligibility: 40 Years and older
Enrollment: 80 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2028
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

Search by objective public record fields.

Personalized Dietary Program and Markers of Wellness

Ketogenic and Nutritional Interventions for First Episode Bipolar Disorder

Pilot of Lifestyle and Asthma Intervention

Trial to Study the Effects of Supplementary Omega-3 on Serum C-Reactive Protein Levels

Diabetic Educational Eating Plan

Randomized Trial of DHA for Retinitis Pigmentosa Patients Receiving Vitamin A

Effectiveness of Behavioral Treatments for Obesity and Major Depression in Women

Comparing Two Diets in Patients Undergoing HSCT or Remission Induction Chemo for Acute Leukemia and MDS (UF-BMT-LDND-101)

Randomized Controlled Clinical Trial of Weight Loss Programs in Obese Persons

Vitamin D and Omega-3 Adiposity Trial (VITAL Adiposity)

A Clinical Trial of a Vitamin/Nutriceutical Formulation for Alzheimer's Disease

Natural Treatments for the Management of Emotional Dysregulation in Youth With Non-verbal Learning Disability (NVLD) and/or Autism Spectrum Disorders (ASD)

Clinical Trial to Evaluate the Safety and Tolerability of Hydrogen in Patients With Parkinson's Disease

Autoimmunity-blocking Antibody for Tolerance in Recently Diagnosed Type 1 Diabetes

Omega-3 Fatty Acids for Prevention of Post-Operative Atrial Fibrillation

Prevalence of Non-alcoholic Fatty Liver Disease (NAFLD) in Hispanics With Diabetes Mellitus Type 2 (T2DM) and Role of Treatment

Study of Modified Atkins Diet in Kabuki Syndrome

Clinical Trial to Decrease Length of Stay in Infants With Neonatal Abstinence Syndrome With an Exclusive Human Milk Diet

Micro-Clinic Obesity and Metabolic Risk Prevention Program

Milk Thistle Clinical Trial in Pediatric NAFLD

Impact of Probiotic Supplementation on Exercise Endurance Among Non-elite Athletes

Synbiotic to Attenuate Resorption of the Skeleton

Viome Precision Nutritional Programs to Improve Clinical Outcomes for Mental Health Disorders

Pre-operative SABR With and Without Caloric Restriction for Early Stage Breast Cancer