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ClinicalTrials.gov public records Last synced Nov 6, 2026, 11:31 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 409–432 of 871 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: No diet Clear all

Conditions: Physical Activity, Neoplasms, Cancer
Interventions: Core Intervention, Simplified Dietary Monitoring (Green), Simplified Dietary Monitoring (Red), Nutrition Goals (Yes), Nutrition Goals (No), Supportive Text Messages (Yes), Supportive Text Messages (No), Lesson Delivery (Once), Lesson Delivery (Weekly); Behavioral
Lead sponsor: UNC Lineberger Comprehensive Cancer Center; Other
Eligibility: 18 Years to 39 Years
Enrollment: 72 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2024
U.S. locations: 1
States / cities: Chapel Hill, North Carolina

Conditions: Diabetes Mellitus, Type 1
Interventions: Dietary intervention; Behavioral
Lead sponsor: Physicians Committee for Responsible Medicine; Other
Eligibility: 18 Years and older
Enrollment: 35 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2022
U.S. locations: 1
States / cities: Washington D.C., District of Columbia

Conditions: Growth Disorders, Dietary Exposure, Child Development, Bone Development Abnormal, Body Weight, Child Malnutrition
Interventions: TruHeight Growth Protein Shake; Dietary Supplement
Lead sponsor: TruHeight Vitamins; Industry
Eligibility: 4 Years to 17 Years
Enrollment: 32 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023
U.S. locations: 1
States / cities: San Francisco, California

Conditions: Dietary Habits
Interventions: garden intervention; Behavioral
Lead sponsor: Cornell University; Other
Eligibility: 6 Years to 14 Years
Enrollment: 3,531 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2013
U.S. locations: 4
States / cities: Little Rock, Arkansas • Osceola, Iowa • Ithaca, New York + 1 more

Conditions: Alzheimer Disease
Interventions: Challenge A - low calorie Ensure®, Challenge B - Ensure® plus ketone esters (KE), PET Scan, Cognitive Testing - FCSRT, Story Recall, BVRT, CogState One Card Learning; Dietary Supplement · Procedure · Behavioral
Lead sponsor: Wake Forest University Health Sciences; Other
Eligibility: 50 Years to 85 Years
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016 – 2019
U.S. locations: 1
States / cities: Winston-Salem, North Carolina

Conditions: Geographic Atrophy, Age-Related Macular Degeneration
Interventions: K8; Drug
Lead sponsor: Inflammasome Therapeutics; Industry
Eligibility: 50 Years to 99 Years
Enrollment: 30 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2026
U.S. locations: 9
States / cities: Loma Linda, California • Lexington, Kentucky • Portland, Maine + 6 more

Conditions: Drug Interaction Potentiation
Interventions: PA21 and Losartan with Food, No PA21; Losartan with food, PA21 with food and Losartan 2 hours later; Drug
Lead sponsor: Vifor Pharma; Industry
Eligibility: 20 Years to 50 Years
Enrollment: 36 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2011
U.S. locations: 1
States / cities: Anaheim, California

Conditions: Obesity
Interventions: Fed Condition, Fasted Condition; Procedure
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: 2008 – 2014
U.S. locations: 2
States / cities: New York, New York

Conditions: Obesity and Type 2 Diabetes, Diet Modification
Interventions: Regulation of craving training; Behavioral
Lead sponsor: University of Wyoming; Other
Eligibility: 15 Years to 18 Years · Female only
Enrollment: 150 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2025 – 2026
U.S. locations: 1
States / cities: Laramie, Wyoming

Conditions: Dietary Modification
Interventions: Carnitine, Choline, Antibiotics, Choline and Aspirin, Carnitine and Aspirin; Dietary Supplement · Drug
Lead sponsor: The Cleveland Clinic; Other
Eligibility: 18 Years and older
Enrollment: 100 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2011 – 2029
U.S. locations: 1
States / cities: Cleveland, Ohio

Conditions: Adverse Effect of Other Agents Primarily Affecting the Cardiovascular System, Initial Encounter
Interventions: Cigarette, NIDA test type with 16.6 mg nicotine, Cigarette, NIDA test type with <0.45 mg nicotine, Electronic cigarette with 18 mg/ml nicotine, Electronic Cigarette with no nicotine, Moist snuff, Sham Smoking, Secondhand cigarette smoke (SHS), Conditioned, filtered air, Sham Moist Snuff; Other
Lead sponsor: University of California, San Francisco; Other
Eligibility: 18 Years to 50 Years
Enrollment: 81 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2013 – 2021
U.S. locations: 1
States / cities: San Francisco, California

Conditions: Obesity, Women (Between 30 to 60 Years Old)
Interventions: Protein Rich Foods; Behavioral
Lead sponsor: University of Texas at Austin; Other
Eligibility: 30 Years to 60 Years · Female only
Enrollment: 75 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026 – 2027
U.S. locations: 2
States / cities: Austin, Texas

Conditions: Obesity
Interventions: The First Twenty (TF20), Life Simple 7 (LS7); Behavioral
Lead sponsor: National Development and Research Institutes, Inc.; Other
Eligibility: 18 Years and older
Enrollment: 198 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2015 – 2018
U.S. locations: 2
States / cities: Leawood, Kansas • New York, New York

Conditions: Type 2 Diabetes, Food Insecurity
Interventions: Food support, Nutritional Counseling and education; Other
Lead sponsor: University of California, San Francisco; Other
Eligibility: 18 Years and older
Enrollment: 281 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2025
U.S. locations: 1
States / cities: San Francisco, California

Conditions: Metabolic-dysfunction Associated Steatotic Liver Disease
Interventions: Essential Amino Acids Supplementation intervention, Low sugar diet; Drug · Other
Lead sponsor: Michigan State University; Other
Eligibility: 11 Years to 17 Years
Enrollment: 102 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2030
U.S. locations: 1
States / cities: Grand Rapids, Michigan

Conditions: Insulin Sensitivity, 24-hour Glucose Control
Interventions: HIgh UPF controlled diet, No UPF controlled diet; Other
Lead sponsor: Virginia Polytechnic Institute and State University; Other
Eligibility: 40 Years to 65 Years
Enrollment: 20 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2025
U.S. locations: 1
States / cities: Blacksburg, Virginia

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: Inflammation
Interventions: n3-PUFA, Placebo, Biopsy, Body Composition Scan; Drug · Procedure · Diagnostic Test
Lead sponsor: Mayo Clinic; Other
Eligibility: 20 Years to 85 Years
Enrollment: 63 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2021
U.S. locations: 1
States / cities: Rochester, Minnesota

Conditions: Post-traumatic Stress Disorder
Interventions: Transcendental Meditation, Prolonged Exposure, Educational control; Behavioral
Lead sponsor: United States Department of Defense; Federal
Eligibility: 18 Years and older
Enrollment: 200 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2016
U.S. locations: 1
States / cities: La Jolla, California

Conditions: Insulin Resistance, Healthy, Diet Modification, Aging
Interventions: Ketones, Glucose; Drug
Lead sponsor: Stony Brook University; Other
Eligibility: 18 Years to 79 Years
Enrollment: 80 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2015 – 2022
U.S. locations: 2
States / cities: Charlestown, Massachusetts • Stony Brook, New York

Conditions: Overweight, Obesity
Interventions: Hockey FIT Program (Immediate Delivery); Behavioral
Lead sponsor: Western University, Canada; Other
Eligibility: 35 Years to 65 Years · Male only
Enrollment: 997 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2023
U.S. locations: 3
States / cities: Flint, Michigan • Saginaw, Michigan • Portland, Oregon

Conditions: Physical Activity, Dietary Habits, Tobacco Use Cessation
Interventions: Active Intervention, Passive Intervention, No intervention; Other
Lead sponsor: Duke University; Other
Eligibility: 18 Years and older
Enrollment: 9 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008
U.S. locations: 1
States / cities: Durham, North Carolina

Conditions: Body Mass Index 25 or Greater, BRCA1 Gene Mutation, BRCA2 Gene Mutation, Breast Carcinoma, Cancer Survivor, Chronic Lymphocytic Leukemia, Fatigue, Health Status Unknown, Lynch Syndrome, Ovarian Carcinoma, Overweight
Interventions: Dietary Intervention, Internet-Based Intervention, Laboratory Biomarker Analysis, Questionnaire Administration, Telephone-Based Intervention; Dietary Supplement · Other · Behavioral
Lead sponsor: M.D. Anderson Cancer Center; Other
Eligibility: 18 Years and older
Enrollment: 337 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2014 – 2027
U.S. locations: 1
States / cities: Houston, Texas

Conditions: Nutritional Requirements
Interventions: placebo, selenium as L-selenomethionine; Dietary Supplement
Lead sponsor: USDA Grand Forks Human Nutrition Research Center; Federal
Eligibility: 18 Years and older
Enrollment: 262 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2005 – 2007
U.S. locations: 1
States / cities: Grand Forks, North Dakota

Search by objective public record fields.

Physical Activity and Healthy Eating Among Young Adult Cancer Survivors

Effect of a Dietary Intervention on Insulin Requirements in Type 1 Diabetes

Evaluating the Effects of an Oral Protein Supplement on Children's Growth Patterns

Effects of School Gardens on Children's Diet, Nutritional Knowledge, Etc.

The Brain Ketone Body Challenge Imaging Study

Evaluation of Kamuvudine-8 in Subjects With Geographic Atrophy

A Drug-Drug Interaction Study of Losartan and PA21

Brain Activation in Response to Appetitive Cues Pre- and Post- Bariatric Surgery

Mobile Regulation of Craving Training (mROC-T) to Improve Dietary Intake in Rural Adolescent Girls

CARNIVAL Study: Gut Flora Dependent Metabolism of Dietary CARNItine and Phosphatidylcholine and cardioVAscuLar Disease

Cardiovascular Assessment of the Effects of Tobacco and Nicotine Delivery Products

Increased Dietary Protein Intake During GLP-1 Medication Use (in Middle-aged Women With Overweight/Obesity)

The First Twenty (TF20) for Volunteer Firefighters in a Clinic Based Setting

Changing Health Through Food Support for Diabetes

SMART Diets for MASLD

Ultra-processed Food Consumption, Gut Microbiota, and Glucose Homeostasis

Ketone Conferred Resiliency Against Sleep Restriction With Nutritional Intervention.

Enhancing Adaptations to Exercise

A Randomized Controlled Trial of Meditation Compared to Exposure Therapy and Education Control on PTSD in Veterans

Dynamic Connectivity Under Metabolic Constraints

Hockey Fans in Training (Hockey FIT): Improving Men's Health Through the Power of Sport

Community and Clinician Partnership for Prevention

Energy Balance Interventions in Increasing Physical Activity in Breast Cancer Gene Positive Patients, Lynch Syndrome-Positive Patients, CLL Survivors or High-Risk Family Members

Predicting Dietary Selenium Needs to Achieve Target Blood Selenium Levels