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ClinicalTrials.gov public records Last synced Nov 15, 2026, 8:09 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 25–48 of 1,558 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: Healthy Diet Clear all

Conditions: Obesity, Overweight, Children
Interventions: Patient navigation; Behavioral
Lead sponsor: Denver Health and Hospital Authority; Other
Eligibility: 2 Years to 6 Years
Enrollment: 300 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012 – 2017
U.S. locations: 1
States / cities: Denver, Colorado

Conditions: Photodamaged Skin
Interventions: Imedeen, Placebo; Dietary Supplement
Lead sponsor: Pfizer; Industry
Eligibility: 35 Years to 65 Years · Female only
Enrollment: 194 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2013 – 2014
U.S. locations: 4
States / cities: Miami, Florida • Fair Lawn, New Jersey • Lynchburg, Virginia + 1 more

Conditions: Obesity
Interventions: Project Fit; Behavioral
Lead sponsor: Michigan State University; Other
Eligibility: 8 Years to 14 Years
Enrollment: 403 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2009 – 2011
U.S. locations: 1
States / cities: Grand Rapids, Michigan

Conditions: Pregnant Women
Interventions: GROWell; Other
Lead sponsor: Duke University; Other
Eligibility: 18 Years to 44 Years · Female only
Enrollment: 34 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016 – 2019
U.S. locations: 1
States / cities: Durham, North Carolina

Conditions: Sedentary Behavior, Physical Inactivity, Alzheimer Disease, Protection Against
Interventions: De Pie Intervention, Active Comparison Group: Healthy Actions And Lifestyles To Avoid Dementia (HALT-AD); Behavioral · Other
Lead sponsor: Kaiser Permanente; Other
Eligibility: 55 Years to 89 Years
Enrollment: 130 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2027
U.S. locations: 2
States / cities: San Diego, California • Seattle, Washington

Conditions: Fasting, Non-alcoholic Fatty Liver Disease (NAFLD)
Interventions: Fasting, Diet, oral carbohydrate challenge; Behavioral · Dietary Supplement
Lead sponsor: Beth Israel Deaconess Medical Center; Other
Eligibility: 18 Years to 60 Years
Enrollment: 40 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2009 – 2023
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Obesity, Healthy Volunteer
Interventions: Fixed Mixed Meal Test, Adjusted Mixed Meal Test; Other
Lead sponsor: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK); NIH
Eligibility: 18 Years to 99 Years
Enrollment: 79 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2027
U.S. locations: 1
States / cities: Phoenix, Arizona

Conditions: Overweight, Obesity
Interventions: Dietary supplement containing vitamins, minerals, and herbs, Shakes with nutrients and herbs, Control dietary supplement, Isocaloric, isonitrogenous control shakes without herbs, Personal energy tracking tool; Behavioral
Lead sponsor: Pharmanex; Industry
Eligibility: 18 Years to 65 Years
Enrollment: 120 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2007
U.S. locations: 1
States / cities: Provo, Utah

Conditions: Pregnancy, Sexually Transmitted Infections
Interventions: BUtiful., DIVAS.; Behavioral
Lead sponsor: Tulane University Health Sciences Center; Other
Eligibility: 18 Years to 19 Years · Female only
Enrollment: 637 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012 – 2015
U.S. locations: 6
States / cities: New Orleans, Louisiana

Conditions: Obesity & Overweight
Interventions: Healthy Eating for My Infant (HEMI); Behavioral
Lead sponsor: University of Cincinnati; Other
Eligibility: 2 Months to 21 Months
Enrollment: 60 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026 – 2028
U.S. locations: 1
States / cities: Cincinnati, Ohio

Conditions: Chronic Pain
Interventions: Chronic Disease Self-Management Program (CDSMP) for chronic pain in Spanish, Remote feedback active group, Remote feedback control group; Behavioral
Lead sponsor: Kaiser Permanente; Other
Eligibility: 40 Years to 80 Years
Enrollment: 18 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2021
U.S. locations: 1
States / cities: San Francisco, California

Conditions: Tyrosol, Creatine, Endurance Performance, Cognition, Mood
Interventions: Tyrosol, Creatine Monohydrate, Resistant Dextrin; Dietary Supplement
Lead sponsor: Applied Science & Performance Institute; Industry
Eligibility: 20 Years to 55 Years · Male only
Enrollment: 60 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026 – 2027
U.S. locations: 1
States / cities: Tampa, Florida

Conditions: Obesity, Childhood
Interventions: Web-based comic and newsletters, Didactic health information; Behavioral
Lead sponsor: Tufts University; Other
Eligibility: 8 Years to 12 Years
Enrollment: 40 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2025 – 2026
U.S. locations: 2
States / cities: New York, New York • The Bronx, New York

Conditions: Diabetes Mellitus, Aging, Overweight
Interventions: Weight loss and Exercise, Healthy lifestyle; Behavioral
Lead sponsor: Baylor College of Medicine; Other
Eligibility: 65 Years to 85 Years
Enrollment: 100 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015 – 2020
U.S. locations: 1
States / cities: Houston, Texas

Conditions: PreDiabetes, Diet, Healthy, Nutritional and Metabolic Diseases
Interventions: Whole Foods for Families; Behavioral
Lead sponsor: Vanderbilt University; Other
Eligibility: 6 Years to 59 Years
Enrollment: 30 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2027
U.S. locations: 1
States / cities: Nashville, Tennessee

Conditions: Healthy, Vitamin D Deficiency
Interventions: ergocalciferol, placebo pill; Dietary Supplement · Other
Lead sponsor: Massachusetts General Hospital; Other
Eligibility: 9 Years to 18 Years · Female only
Enrollment: 90 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010 – 2013
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Dietary Diversity
Interventions: School Interventions, Community Interventions, School System Interventions; Behavioral
Lead sponsor: International Food Policy Research Institute; Other
Eligibility: 10 Years to 14 Years · Female only
Enrollment: 1,712 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2021
U.S. locations: 1
States / cities: Washington D.C., District of Columbia

Conditions: Pediatric Obesity
Interventions: TEENS+Parents as Coaches, TEENS+Parent Weight Loss; Behavioral
Lead sponsor: Virginia Commonwealth University; Other
Eligibility: 12 Years to 16 Years
Enrollment: 418 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2024
U.S. locations: 1
States / cities: Henrico, Virginia

Conditions: Type 2 Diabetes
Interventions: Not listed
Lead sponsor: University of Washington; Other
Eligibility: 40 Years to 85 Years
Enrollment: 4,000 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2027
U.S. locations: 3
States / cities: Birmingham, Alabama • San Diego, California • Seattle, Washington

Conditions: Pre Diabetes
Interventions: Finger Prick- Blood Glucose, Whole Blood Draw, Diet History Questionnaire, Physical Activity Assessment; Procedure · Behavioral
Lead sponsor: Cornell University; Other
Eligibility: 18 Years to 35 Years
Enrollment: 40 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026 – 2028
U.S. locations: 1
States / cities: Ithaca, New York

Conditions: Vitamin K Status
Interventions: Phase I, Buccal Swab Collection for DNA Isolation, Phase II, Vitamin K (Vitacost) Supplementation; Genetic · Dietary Supplement
Lead sponsor: University of Washington; Other
Eligibility: 18 Years and older
Enrollment: 106 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017 – 2023
U.S. locations: 1
States / cities: Seattle, Washington

Conditions: Body Weight Changes
Interventions: MicroDiet, Healthy Diet; Behavioral
Lead sponsor: Pennington Biomedical Research Center; Other
Eligibility: 18 Years to 65 Years
Enrollment: 60 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2005 – 2006
U.S. locations: 1
States / cities: Baton Rouge, Louisiana

Conditions: Obesity, Prehypertension, Hypertension, PreDiabetes, Type 2 Diabetes, Dyslipidemia
Interventions: Weight-focused health coaching, Weight-neutral health coaching, Intensify lifestyle approach, Augment with enhanced medical management; Behavioral · Other
Lead sponsor: University of Alabama at Birmingham; Other
Eligibility: 18 Years and older
Enrollment: 41 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2026
U.S. locations: 1
States / cities: Birmingham, Alabama

Conditions: Overweight, Obesity
Interventions: Fruit and Vegetable CSA Prescription, Bikeshare Prescription; Behavioral
Lead sponsor: University of Wisconsin, Madison; Other
Eligibility: 18 Years to 24 Years
Enrollment: 25 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2016 – 2017
U.S. locations: 1
States / cities: Madison, Wisconsin

Search by objective public record fields.

Community Outreach - Obesity Prevention Trial (CO-OPT)

A Study to Assess the Effects of an Oral Dietary Supplement on Overall Facial Appearance Among Healthy Adult Women With Existing Skin Damage From Sun Exposure

Project Fit:a School- and Community-based Obesity Intervention

Goals for Reaching Optimum Wellness (GROWell)

Promoting Physical Activity in Older Hispanic/Latino(a) Adults

Regulation of FGF21 by Nutritional Challenges

Variability In Mixed Meal Tests: Fixed Versus Adjusted to Energy Needs Caloric Dose

Dietary Supplements and Personal Energy Tracking Device to Promote and Maintain Healthy Weight

e-SiHLE: An Internet Pregnancy Prevention for Older Teenage Girls

Healthy Eating for My Infant: A Community- Informed Infant Obesity Prevention Program Addressing the Impact of Maternal Mental Health on Eating and Feeding

Escoge Salud (Choose Health): a Chronic Pain Self-Management Program in Middle to Older Age Hispanic Americans

The Effects of Tyrosol and Creatine on Exercise Performance and Cognition in Healthy Adults

Intervention INC: An Interactive Family-centered mHealth Tool to Reduce Obesity Risk in Urban Minority Preadolescents

Lifestyle Intervention for Senior Diabetics

Whole Food for Families: A Pilot RCT of a Dietary Guidelines-Based Intervention to Prevent Type 2 Diabetes

Vitamin D Deficiency in Adolescent Girls

A Feasibility Study of Delivering Adolescent Nutrition Interventions Through School-Based Platforms in Ethiopia

Parent Involvement in Adolescent Obesity Treatment

AI Ready and Exploratory Atlas for Diabetes Insights

The Effect of Nutrient Sequencing in Healthy Adults

Vitamin K Supplementation Study in Healthy Volunteers (Aim 2B)

The Effects of Formula Diet on Body Weight, Body Composition, and Biomarkers for Disease Compared to a Standard Diet

Weight Inclusive and Adaptive Strategies to Enhance Cardiometabolic Health in Black Adults

Fruit And Vegetable Or Recreation Prescriptions for UW-Madison Students