Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 17, 2026, 5:15 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Breast Cancer
Interventions
educational/counseling intervention, therapeutic dietary intervention
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
3,088 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2018
U.S. locations
7
States / cities
Tucson, Arizona • La Jolla, California • Oakland, California + 4 more
Completed Not applicable Interventional Accepts healthy volunteers

Plant Based Diet, Ethnicity, and the Gut Microbiome

NCT03314194
Conditions
Diet Modification, Microbial Colonization
Interventions
Plant Based Diet
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Rheumatoid Arthritis
Interventions
Anti-inflammatory diet, Control/Standard of Care
Behavioral · Other
Lead sponsor
Attune Health Research, Inc.
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Beverly Hills, California
Completed Not applicable Interventional Accepts healthy volunteers

Assessment of a Pre-Workout Dietary Supplement

NCT02952014
Conditions
Dietary Modification
Interventions
C4 Extreme, C4 Extreme (without Advantra Z, Placebo
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years to 40 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
College Station, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Antimicrobial-free Production of Beef Cattle's Affect on Gut Microbiome

NCT04023604
Conditions
Diet Modification
Interventions
Controlled diet with beef raised without antibiotics, Controlled diet with beef produced in conventional systems
Other
Lead sponsor
Purdue University
Other
Eligibility
21 Years to 69 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
West Lafayette, Indiana
Conditions
Dyspepsia, Dietary Modification
Interventions
Low FODMAP Diet, Choose My Plate Diet
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Park Ridge, Illinois
Completed Not applicable Interventional Accepts healthy volunteers

Milk Intervention Study for Brain Aging

NCT02957422
Conditions
Brain Aging
Interventions
1% Milk, Control
Dietary Supplement
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
60 Years to 89 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Kansas City, Kansas
Conditions
Weight Loss
Interventions
Daily step goal financial incentive, Standard of Care
Behavioral
Lead sponsor
University of Tennessee
Other
Eligibility
30 Years to 65 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Knoxville, Tennessee
Completed Not applicable Interventional Accepts healthy volunteers

Denver Garden Environment and Microbiome Study Disease

NCT03089151
Conditions
Diet Modification, Physical Activity, Weight Gain, Chronic Disease, Lifestyle, Sedentary, Health Behavior
Interventions
Community Garden Intervention
Behavioral
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Boulder, Colorado
Conditions
Type 2 Diabetes
Interventions
low carb diet, diabetic diet
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
12 Years to 18 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Not yet recruiting Not applicable Interventional

Growing Healthy Hearts

NCT07684027
Conditions
Cardiovascular (CV) Risk, Behavioral Changes, Gardening, Cooking, Nutrition Education
Interventions
GHH Intervention
Behavioral
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older
Enrollment
264 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Hershey, Pennsylvania
Conditions
Breast Neoplasms, Body Weight Changes
Interventions
Not listed
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years and older · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Diet and Exercise Plus Metformin to Treat Frailty in Obese Seniors

NCT04221750
Conditions
Frailty, Sarcopenic Obesity, Aging
Interventions
Lifestyle therapy, Metformin Hydrochloride, Placebo, Healthy Lifestyle
Behavioral · Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
65 Years to 85 Years
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Houston, Texas
Completed Not applicable Interventional Accepts healthy volunteers

SWITCH Implementation Effectiveness Trial

NCT04045288
Conditions
Sedentary Behavior, Health Promotion, Overweight and Obesity, Healthy Lifestyle, Diet, Healthy
Interventions
Standard Implementation, Enhanced Implementation
Behavioral
Lead sponsor
Iowa State University
Other
Eligibility
9 Years to 11 Years
Enrollment
1,984 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Ames, Iowa
Completed Not applicable Interventional Accepts healthy volunteers

Web-based Weight Loss Intervention

NCT03400696
Conditions
Overweight and Obesity
Interventions
Lower carbohydrate diet, Higher fiber diet, Physical activity focused
Behavioral
Lead sponsor
23andMe, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
63,656 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
2
States / cities
Mountain View, California
Conditions
Colorectal Cancer
Interventions
Vitamin D intervention, Placebo intervention
Dietary Supplement
Lead sponsor
Baylor University
Other
Eligibility
18 Years to 79 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Waco, Texas
Not listed No phase listed Observational Accepts healthy volunteers

Digital Intervention Participation in DASH

NCT04515303
Conditions
Hypertension, Dietary Quality, Recruitment, Cardiovascular Diseases
Interventions
Diverse Intervention Participation in DASH
Other
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Storrs, Connecticut
Conditions
Cortical Dysplasia
Interventions
Classical ketogenic diet
Dietary Supplement
Lead sponsor
University College, London
Other
Eligibility
3 Years to 15 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Not listed Not applicable Interventional Accepts healthy volunteers

The Weaving Healthy Families Program

NCT03924167
Conditions
Alcohol Abuse, Drug Use, Violence, Domestic, Child Abuse, Diet Modification, Health Behavior, Health Knowledge, Attitudes, Practice, Relationship, Family, Relation, Parent-Child, Emotional Stress
Interventions
Weaving Healthy Families Program
Behavioral
Lead sponsor
Tulane University
Other
Eligibility
5 Years to 120 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
New Orleans, Louisiana
Conditions
Pain
Interventions
Diet A, Diet B
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Cardiovascular Diseases, Cardiovascular Risk Factor, Obesity
Interventions
Mediterranean diet, Olive oil and mixed nuts, American Heart Association
Behavioral · Dietary Supplement
Lead sponsor
Auburn University
Other
Eligibility
19 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Auburn, Alabama
Conditions
Stroke, Ischemic Stroke
Interventions
Modified Atkins Diet, Control diet
Other
Lead sponsor
Burke Rehabilitation Hospital
Other
Eligibility
18 Years to 99 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
White Plains, New York
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

School Worksite Weight Gain Prevention Intervention Study

NCT01467284
Conditions
Obesity
Interventions
Step Ahead, Basic Intervention
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
Not listed
Enrollment
844 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Worcester, Massachusetts
Conditions
Diabetic Kidney Disease, Cognitive Function, Weight Loss, Diabetic Control, Type2 Diabetes
Interventions
mHealth + low-fat diet, mHealth + low-carb/ketogenic diet
Other
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
San Antonio, Texas