Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 14, 2026, 2:12 AM EDT

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Showing 1–24 of 148 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Blood Glucose, Insulin Sensitivity, Dietary Fiber
Interventions
Medium-fiber bar, High-fiber bar, Control bar (0 g fiber)
Other
Lead sponsor
Midwest Center for Metabolic and Cardiovascular Research
Other
Eligibility
18 Years to 65 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Boca Raton, Florida • Chicago, Illinois
Completed Not applicable Interventional Accepts healthy volunteers

High in Front-of-package Label Pretest

NCT06227507
Conditions
Understanding of Food Nutrient Content
Interventions
Front-of-package label
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 99 Years
Enrollment
4,052 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Davis, California
Conditions
Solid Tumor
Interventions
Sirolimus, Cyclophosphamide, Etoposide, Celecoxib
Drug
Lead sponsor
Emory University
Other
Eligibility
1 Year to 30 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2029
U.S. locations
5
States / cities
Atlanta, Georgia • St Louis, Missouri • Pittsburgh, Pennsylvania + 1 more
Conditions
Obesity
Interventions
protein and meal frequency
Other
Lead sponsor
Skidmore College
Other
Eligibility
30 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Saratoga Springs, New York
Completed Phase 2 Interventional Results available

Effect of Ramelteon on Smoking Abstinence

NCT02560324
Conditions
Tobacco Use Disorder
Interventions
Ramelteon, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Complex Effects of Dietary Manipulation on Metabolic Function, Inflammation and Health

NCT02706262
Conditions
Obesity, Insulin Resistance
Interventions
Metabolically abnormal obese - Mediterranean diet, Metabolically abnormal obese - Low carbohydrate ketogenic diet, Metabolically abnormal obese - Plant-based, very-low-fat diet, Annual Follow-up Visits
Other · Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 55 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Precision Nutrition and Metabolic Function

NCT04131166
Conditions
Obesity, Insulin Resistance
Interventions
Mediterranean diet, Low-carbohydrate, ketogenic diet, Low-fat diet, Annual follow-up testing for 5 years
Behavioral · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 55 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2029
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Hyperinsulinemic Hypoglycemia
Interventions
Exenatide, Acarbose, Exenatide Placebo, Acarbose Placebo
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 60 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Obesity, Prader Willi Syndrome
Interventions
High carbohydrate meal, High fat meal
Other
Lead sponsor
Duke University
Other
Eligibility
5 Years to 17 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Durham, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Short Term Ketone Supplementation and Cardiometabolic Health

NCT04236388
Conditions
Cardiovascular Risk Factor
Interventions
Ketone drink, Placebo drink
Dietary Supplement
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
50 Years to 75 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Blacksburg, Virginia
Conditions
Non-Alcoholic Fatty Liver Disease, Obesity
Interventions
Moderately carbohydrate-restricted diet, Fat-restricted diet
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
10 Years to 17 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Knee Osteoarthritis
Interventions
Diet, Exercise
Other
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
College Station, Texas
Conditions
Diabetes Mellitus, Type 1
Interventions
Ketogenic diet, food delivery and education, Standard diet, food delivery and education
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
5 Years to 12 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Terminated Not applicable Interventional Accepts healthy volunteers

Think AHEAD (A Healthy Eating And Drinking) Study

NCT01044134
Conditions
Obesity
Interventions
Dietary counseling
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
12 Years to 17 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Metabolic Syndrome, Obesity, Dyslipidemias
Interventions
Carbohydrate restricted group, Standard low fat diet
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
10 Years to 18 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Birmingham, Alabama
Completed Not applicable Interventional Results available

Targeting Obesity to Optimize Health in Cardiac Rehab (TOPCARE)

NCT03423238
Conditions
Obesity, Weight Loss, CHD - Coronary Heart Disease
Interventions
Exercise, Health Education, Exercise Compliance, Calorie-Restricted Diet, Behavioral Modification, Weight-Loss Compliance, Dietary Counseling
Other · Behavioral · Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
40 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Recruiting Not applicable Interventional Accepts healthy volunteers

Nutrition for Precision Health, Powered by the All of Us

NCT05701657
Conditions
Nutrition, Health, Dietary Habits
Interventions
Diet A, Diet B, Diet C
Other
Lead sponsor
RTI International
Other
Eligibility
18 Years and older
Enrollment
8,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
14
States / cities
Birmingham, Alabama • Davis, California • Los Angeles, California + 7 more
Conditions
Pneumonia
Interventions
Ketogenic feeding, Standard feeding
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
55 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Schizophrenia, Bipolar Disorder
Interventions
Ketogenic diet
Other
Lead sponsor
Northern California Institute of Research and Education
Other
Eligibility
18 Years to 65 Years
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
San Francisco, California
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The Physiological Chronobiome Modified by Age, Sex and Under Evoked Conditions

NCT04225442
Conditions
Healthy, Healthy Aging
Interventions
Fatty meal to challenge the physiological chronobiome in healthy young and old
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 75 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Type2 Diabetes Mellitus, Hypertension, PreDiabetes, Overweight and Obesity
Interventions
DASH diet, Very low carbohydrate, ketogenic diet, Extras
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
21 Years to 70 Years
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Type 2 Diabetes Mellitus (T2DM)
Interventions
Saxagliptin, Placebo
Drug
Lead sponsor
Phoenix VA Health Care System
Federal
Eligibility
21 Years to 70 Years
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Phoenix, Arizona
Conditions
Polyphenolic Compounds and Metabolism
Interventions
Active Capsule, Placebo Capsule
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
20 Years to 65 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
PCOS (Polycystic Ovary Syndrome)
Interventions
Ketogenic diet, Exogenous Ketone Supplement
Other · Dietary Supplement
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Columbus, Ohio