Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 12, 2026, 10:23 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 71 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Elevated Blood Glucose, Low-carbohydrate Diet
Interventions
Carbohydrate Drink, Fat Drink, Protein Drink
Dietary Supplement
Lead sponsor
Brigham Young University
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Provo, Utah
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
Not listed Phase 4 Interventional Accepts healthy volunteers

Dynamic Connectivity Under Metabolic Constraints

NCT04840095
Conditions
Insulin Resistance, Healthy, Diet Modification, Aging
Interventions
Ketones, Glucose
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 79 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2023
U.S. locations
2
States / cities
Charlestown, Massachusetts • Stony Brook, New York
Completed Not applicable Interventional Results available

Team Science (The Liver Health Study)

NCT06924281
Conditions
Steatotic Liver Disease of Mixed Origin (MetALD)
Interventions
Brief motivational interviewing with personalized feedback, Brief motivational interviewing with standard health information
Behavioral
Lead sponsor
Brown University
Other
Eligibility
21 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Providence, Rhode Island
Conditions
Energy Expenditure, Cognition, Reaction Time
Interventions
Caffeine-Based Energy Drink, Placebo
Dietary Supplement
Lead sponsor
Lindenwood University
Other
Eligibility
18 Years to 50 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Saint Charles, Missouri
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Acute Ketone Supplementation on the Brain

NCT07711990
Conditions
Brain Health
Interventions
Ketone Ester Drink, Placebo
Dietary Supplement
Lead sponsor
Christopher Crabtree
Other
Eligibility
45 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Columbus, Ohio
Completed Not applicable Interventional Accepts healthy volunteers

The Reproducibility and Clinical Utility of an Abbreviated Fat Tolerance Test

NCT04437459
Conditions
Dyslipidemias, Metabolic Syndrome
Interventions
High-fat shake, Pure glucose solution
Other
Lead sponsor
Oklahoma State University
Other
Eligibility
18 Years to 45 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Stillwater, Oklahoma
Completed Not applicable Interventional Accepts healthy volunteers

The Mixed Meal Challenge Study

NCT05087823
Conditions
Cardiovascular Diseases, Hyperlipidemias
Interventions
Lipid Challenge, Glucose Challenge, Mixed Meal Challenge
Dietary Supplement
Lead sponsor
Emory University
Other
Eligibility
18 Years to 50 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Overweight, Obesity
Interventions
500 mL/day of a beverage providing approximately 625 mg catechins, Control beverage matched for energy and caffeine content
Dietary Supplement · Other
Lead sponsor
Provident Clinical Research
Other
Eligibility
21 Years to 65 Years
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
2
States / cities
St. Petersburg, Florida • Bloomington, Indiana
Conditions
Gestational Diabetes Mellitus in Pregnancy, Glucose Intolerance During Pregnancy, Non-nutritive Sweeteners Consumption in Pregnancy and/or Lactation
Interventions
NNS Restriction Intervention, Control Intervention
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
324 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Completed Not applicable Interventional Accepts healthy volunteers

Increased Protein at Breakfast for Weight Management in Overweight Adolescents

NCT03146442
Conditions
Obesity, Adolescent
Interventions
Breakfast
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
13 Years to 21 Years
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Austin, Texas
Conditions
Diabetes Mellitus, Type 2
Interventions
Balance oral nutritional drink - control, Balance oral nutritional drink - test
Other
Lead sponsor
Société des Produits Nestlé (SPN)
Industry
Eligibility
20 Years to 75 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Tustin, California
Conditions
Spinal Cord Injury
Interventions
Exercise
Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Miami, Florida
Not listed Phase 4 Interventional Accepts healthy volunteers

Dynamic Connectivity Under Metabolic Constraints

NCT04106882
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
Oral Glucose Tolerance Test, High Fat Tolerance Test
Interventions
non-fat milk, carbohydrate control beverage, caloric control beverage
Dietary Supplement
Lead sponsor
University of Texas at Austin
Other
Eligibility
20 Years to 40 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Austin, Texas
Conditions
Cystic Fibrosis, Exocrine Pancreatic Insufficiency
Interventions
GlycosBio Nutritional Supplement + PERT placebo, Standard Nutritional Supplement + PERT
Dietary Supplement
Lead sponsor
GlycosBio, Inc.
Industry
Eligibility
12 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Houston, Texas
Conditions
Anthocyanins
Interventions
Plant polyphenol blend, Placebo
Dietary Supplement · Other
Lead sponsor
Pharmanex
Industry
Eligibility
18 Years to 35 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Davis, California
Completed Not applicable Interventional Accepts healthy volunteers

Acute Effects of Fats on Satiety and Energy Needs

NCT02496936
Conditions
Obesity
Interventions
SFA, MUFA, PUFA-LA, ALA, LCn3
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
18 Years to 50 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Grand Forks, North Dakota
Conditions
Cystic Fibrosis
Interventions
Sugar Sweetened Beverages (SSB), Hi GI, Lo GI
Other
Lead sponsor
Emory University
Other
Eligibility
12 Years to 21 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Atlanta, Georgia
Recruiting Not applicable Interventional Accepts healthy volunteers

Thermogenenic Responses to Fasting and Overfeeding in Women

NCT06610162
Conditions
Obesity
Interventions
Eucalaloric feeding, Acute Fasting, Acute Overfeeding
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
1
States / cities
Aurora, Colorado
Completed Not applicable Interventional Accepts healthy volunteers

Dairy Fat and Fermentation Study

NCT05840081
Conditions
Heart Diseases, Microbial Colonization, Inflammation
Interventions
Milk or yogurt beverage
Other
Lead sponsor
Tufts University
Other
Eligibility
50 Years and older
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Substrate Oxidation, Energy Expenditure, Reaction Time, Cognition, Exercise Performance
Interventions
Caffeine-Based Energy Drink, Placebo
Dietary Supplement · Other
Lead sponsor
Lindenwood University
Other
Eligibility
18 Years to 50 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Saint Charles, Missouri
Completed Not applicable Interventional Accepts healthy volunteers

Mindfulness Training to Promote Healthy Diet and Physical Activity in Teens

NCT01975896
Conditions
Overweight, Obesity
Interventions
Meditation
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
12 Years to 15 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Worcester, Massachusetts
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Renal Metabolism of Glycolate to Oxalate

NCT04437225
Conditions
Healthy
Interventions
Low oxalate controlled Diet, Primed, continuous intravenous infusion of 13C2-Glycolate, Bolus intravenous infusion of 13C2-Glycolate, Oral bolus administration of 13C2-Glycolate
Dietary Supplement · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 75 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2030
U.S. locations
1
States / cities
Birmingham, Alabama