Search | Clinical Trials Finder

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ClinicalTrials.gov public records Last synced Nov 14, 2026, 11:03 PM 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 745–768 of 873 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: No diet Clear all

Conditions: Stage 2 Cardiovascular-Kidney-Metabolic Syndrome, Cardiovascular Disease Other
Interventions: Dietary changes via Instacart vouchers, Dietary changes via access to Mid-Ohio Farmacy, Behavior changes via access to Health Impact Ohio Hub, Behavioral nutrition counseling, Cooking classes, Dietary changes to Delivery fees; Other
Lead sponsor: Ohio State University; Other
Eligibility: 18 Years and older
Enrollment: 106 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2025
U.S. locations: 1
States / cities: Columbus, Ohio

Conditions: Prolapse, Stress Urinary Incontinence
Interventions: Preoperative telephone call three days before surgery; Behavioral
Lead sponsor: University of Texas at Austin; Other
Eligibility: 18 Years and older · Female only
Enrollment: 150 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2020
U.S. locations: 2
States / cities: Austin, Texas

Conditions: NAFLD
Interventions: Dietary intervention with very low calorie diet (VLCD), Control Arm; Dietary Supplement · Other
Lead sponsor: University of Iowa; Other
Eligibility: 18 Years to 70 Years
Enrollment: 20 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2026
U.S. locations: 1
States / cities: Iowa City, Iowa

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: 6
States / cities: Beverly Hills, California • New Haven, Connecticut • New Brunswick, New Jersey + 3 more

Conditions: Metabolism
Interventions: Water-soluble choline, Fat-soluble choline, No choline control; Other
Lead sponsor: Utah State University; Other
Eligibility: 21 Years to 50 Years
Enrollment: 44 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017 – 2020
U.S. locations: 1
States / cities: Logan, Utah

Conditions: Keratoconus, Cornea Ectasia
Interventions: Dietary riboflavin; Dietary Supplement
Lead sponsor: University of Missouri-Columbia; Other
Eligibility: 12 Years and older
Enrollment: 30 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017 – 2021
U.S. locations: 1
States / cities: Tampa, Florida

Conditions: Diabetes, Overweight
Interventions: vegan instruction and food accessibility, control; Other
Lead sponsor: Physicians Committee for Responsible Medicine; Other
Eligibility: 18 Years to 70 Years
Enrollment: 292 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2011
U.S. locations: 10
States / cities: Tucson, Arizona • San Diego, California • Lakeland, Florida + 7 more

Conditions: Intention, Health Knowledge, Attitudes, Practice
Interventions: loss-frame, gain-frame, text-only, icon, attribution, no attribution, No label; Other
Lead sponsor: University of California, Davis; Other
Eligibility: 18 Years and older
Enrollment: 2,971 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018
U.S. locations: 1
States / cities: Davis, California

Conditions: Healthy Volunteers
Interventions: High Lycopene Tomato Juice With Soy Germ Extract, Low Lycopene Tomato Juice; Other
Lead sponsor: USDA Beltsville Human Nutrition Research Center; Federal
Eligibility: 30 Years to 75 Years
Enrollment: 19 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2021
U.S. locations: 1
States / cities: Beltsville, Maryland

Conditions: Healthy Volunteers
Interventions: [11C] raclopride, liquid nutritive stimulus, Tasteless Oral Stimulus Solution, Minimally Processed Diet, Ultra Processed Diet, Baseline Diet; Drug · Other
Lead sponsor: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK); NIH
Eligibility: 18 Years to 45 Years
Enrollment: 140 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2030
U.S. locations: 1
States / cities: Bethesda, Maryland

Conditions: Pediatric Obesity
Interventions: Intervention; Behavioral
Lead sponsor: The Miriam Hospital; Other
Eligibility: 6 Years to 12 Years
Enrollment: 85 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2016
U.S. locations: 1
States / cities: Providence, Rhode Island

Conditions: Endometrial Cancer
Interventions: Time Restricted Eating (TRE) Schedule; Behavioral
Lead sponsor: University of Utah; Other
Eligibility: 18 Years and older · Female only
Enrollment: 15 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2024
U.S. locations: 1
States / cities: Salt Lake City, Utah

Conditions: Hypertension, Type 2 Diabetes Mellitus (T2DM)
Interventions: Coach-Directed Tailored DASH Groceries Plus Lifestyle Intervention, Self-Shopping DASH diet advice; Behavioral
Lead sponsor: Johns Hopkins University; Other
Eligibility: 18 Years and older
Enrollment: 80 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2027
U.S. locations: 1
States / cities: Baltimore, Maryland

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: Gastrointestinal Discomfort, Bloating
Interventions: Active: Multi-strain probiotic dietary supplement, Placebo: Placebo; Dietary Supplement
Lead sponsor: Daily Nouri; Industry
Eligibility: 25 Years to 45 Years · Female only
Enrollment: 160 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026 – 2027
U.S. locations: 1
States / cities: San Francisco, California

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: Cancer, Breast Cancer
Interventions: Whey protein (60 grams), No protein; Dietary Supplement · Other
Lead sponsor: Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute); Other
Eligibility: 20 Years to 89 Years · Female only
Enrollment: 40 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2028
U.S. locations: 1
States / cities: Pittsburgh, Pennsylvania

Conditions: Healthy
Interventions: Inulin; Dietary Supplement
Lead sponsor: Indiana University; Other
Eligibility: 18 Years to 75 Years
Enrollment: 29 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2021 – 2023
U.S. locations: 1
States / cities: Indianapolis, Indiana

Conditions: Alcohol Aftereffects, Anxiety, Cognitive Impairment
Interventions: JoyRise Recovery Powder, Placebo; Dietary Supplement
Lead sponsor: Joyrise; Industry
Eligibility: 35 Years to 54 Years
Enrollment: 60 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024
U.S. locations: 1
States / cities: Santa Monica, California

Conditions: Healthy Volunteer
Interventions: Urolithin A, Placebo; Dietary Supplement
Lead sponsor: National Institute on Aging (NIA); NIH
Eligibility: 55 Years to 100 Years
Enrollment: 180 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2027
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Frailty, Weight, Body, Type 2 Diabetes
Interventions: Lifestyle App, Look AHEAD behavior lifestyle intervention, Abbreviated Look AHEAD behavior lifestyle intervention; Behavioral
Lead sponsor: The University of Texas Health Science Center at San Antonio; Other
Eligibility: 65 Years and older
Enrollment: 20 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2022
U.S. locations: 1
States / cities: San Antonio, Texas

Conditions: Tobacco Use Disorder
Interventions: Nicotine polacrilex, Bupropion; Drug
Lead sponsor: University of California, San Francisco; Other
Eligibility: 50 Years and older
Enrollment: 403 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2001 – 2009
U.S. locations: 1
States / cities: San Francisco, California

Conditions: Obesity
Interventions: Liquid meal responses, fMRI responses to food-cues; Procedure · Behavioral
Lead sponsor: New York Obesity and Nutrition Research Center; Other
Eligibility: 18 Years to 65 Years
Enrollment: 120 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010 – 2015
U.S. locations: 1
States / cities: New York, New York

Conditions: Barrett's Esophagus, Obesity
Interventions: Omega-3 polyunsaturated fatty acids, Placebo; Drug
Lead sponsor: Mayo Clinic; Other
Eligibility: 18 Years to 85 Years
Enrollment: 60 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2018
U.S. locations: 1
States / cities: Rochester, Minnesota

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SUSTAIN: Behavior Change and Nutrition Security for CKMS

Telephone Intervention to Increase Patient Preparedness and Satisfaction Trial (TIPPS): A Randomized Control Trial

Effect of VLCD on the Reduction of Liver Steatosis and Fibrosis in Subjects With Obesity and NAFLD

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

Choline Source, Gut Microbiota and Trimethylamine-N-oxide Response

Dietary Riboflavin (Vitamin B-2) and Cornea Cross-Linking

Multicenter Worksite Nutrition Study

Reducing Sugar-sweetened Beverage Consumption Among Young Adults

Tomato Juice for Health Study

Effects of Ad Libitum Ultra-Processed Diet on Brain Dopamine in Humans

Effect of the Enhanced Summer Food Service Program on Schoolchildren

Time Restricted Eating (TRE) Among Endometrial Cancer Patients

Groceries Plus Multi-Component Lifestyle Intervention for Adults With Hypertension and Type 2 Diabetes

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

Multi-strain Probiotic Supplement for Digestive Comfort and Well-being in Healthy Women

Randomized Trial of DHA for Retinitis Pigmentosa Patients Receiving Vitamin A

EXERT-BC Protein: Protein Supplementation to Improve Body Composition After Treatment for Breast Cancer

Healthy Volunteer Short Chain Fatty Acid Study

A Clinical Study to Assess the Effects of JoyRise Recovery Powder on Mitigating Alcohol Aftereffects.

Effects of Urolithin A Supplementation on Glucose Metabolism in Healthy Adults 55 >= Years Old: A Randomized Triple-Masked Controlled Clinical Trial

Effect of Behavioral Lifestyle Intervention on Frailty in Older Adults With Diabetes

Maintaining Nonsmoking: Older Smokers - 1

fMRI and Appetite-Related Hormones Pre and Post Obesity Surgery

Modulation of Esophageal Inflammation in Barrett's Esophagus by Omega-3 Fatty Acids