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Showing 1–24 of 167 matching trials from the live ClinicalTrials.gov search.
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
Conditions
Type 1 Diabetes Mellitus
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Hypercholesterolemia
Interventions
dietary fiber
Other
Lead sponsor
Tate & Lyle
Industry
Eligibility
21 Years to 79 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Addison, Illinois
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
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 Results available

Reducing Sugared Fruit Drinks in Alaska Native Children

NCT05219448
Conditions
Healthy
Interventions
Education and self-efficacy coaching
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
1 Year to 11 Years
Enrollment
334 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Seattle, Washington
Completed Phase 1 Interventional Accepts healthy volunteers

Mechanisms of Cerebrovascular Control

NCT02936687
Conditions
Metabolic Syndrome X
Interventions
NOS Inhibition, ET-1 Inhibition, NOS Inhibition Placebo, 3 Tesla MRI, Intravenous Catheter, Oral Glucose Tolerance Test, ET-1 Inhibition Placebo
Drug · Device · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 45 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Madison, Wisconsin
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
Conditions
Nausea
Interventions
Inhaled isopropyl alcohol, Oral ondansetron, Inhaled normal saline, Oral placebo
Drug
Lead sponsor
Brooke Army Medical Center
Federal
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
San Antonio, Texas
Completed Not applicable Interventional Accepts healthy volunteers Results available

Growth Hormone Feedback to Insulin-like Growth Factor-I (IGF-1) and Oral Glucose Tolerance Test (OGTT)

NCT00915954
Conditions
Acromegaly, Type 2 Diabetes Mellitus
Interventions
Oral Glucose Tolerance Test, Subcutaneous administration of recombinant human IGF-1, Placebo
Diagnostic Test
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Non-Alcoholic Fatty Liver Disease (NAFLD), Nonalcoholic Steatohepatitis (NASH)
Interventions
Positron Emission Tomography (PET) on EXPLORER, Magnetic Resonance Imaging, Echocardiogram and Electrocardiogram, Blood test
Radiation · Diagnostic Test
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Sacramento, California
Conditions
Bariatric Surgery Candidate, Diet Modification
Interventions
Dietary modification with introduction of Mankai
Other
Lead sponsor
Cleveland Clinic Florida
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Weston, Florida
Conditions
Diabetes Mellitus, Type 2
Interventions
Oral nutrition supplement - control, Oral nutrition supplement - 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
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Behavior Brain Responses

NCT03964350
Conditions
Alcohol Drinking, Drinking Behavior, Physiological Effects of Drugs, Central Nervous System Depression
Interventions
Ethanol, Placebo
Drug · Other
Lead sponsor
University of Chicago
Other
Eligibility
21 Years to 35 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Obesity, Childhood
Interventions
Pilot Intervention to reduce SSB consumption in children and families enrolled in WIC
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
6 Months to 4 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Carbohydrate-protein Co-ingestion on Short-term Recovery

NCT04859491
Conditions
Dietary Supplementations
Interventions
Carbohydrate, Carbohydrate-Protein, Placebo
Dietary Supplement
Lead sponsor
Erica Goldstein
Other
Eligibility
35 Years to 59 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Orlando, Florida
Conditions
Hydration, Dehydration (Physiology), Performance
Interventions
Water (Placebo), Carbohydrate Milk Permeate sports drink, 6% Sports drink, Low-Carbohydrate Milk Permeate sports drink
Dietary Supplement
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 55 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Phoenix, Arizona
Completed Early Phase 1 Interventional Accepts healthy volunteers

Role of Glucagon In Glucose Control in Cystic Fibrosis Related Diabetes

NCT02398383
Conditions
Cystic Fibrosis, Cystic Fibrosis Related Diabetes
Interventions
Oral Glucose Tolerance Test, Mixed Meal Tolerance Test, Hypoglycemic Clamp
Other
Lead sponsor
Yale University
Other
Eligibility
12 Years to 45 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
New Haven, Connecticut
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
Colorectal Tumors
Interventions
Cohort 1: HFCS (fructose) fed, Cohort 2: D-Xylose (xylose-fed)
Dietary Supplement
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
New York, New York
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Prebiotic Sodas on Satiety and Metabolic Responses in Healthy Men

NCT07105826
Conditions
Olipop, Poppi, Coca Cola - Classic, Diet Coke
Interventions
Prebiotic Soda 1, Prebiotic Soda 2, Diet Soda, Regular Coke
Other
Lead sponsor
Texas Christian University
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Fort Worth, Texas
Completed Not applicable Interventional Accepts healthy volunteers

The Fuel and Rhythm (FAR) Phase 2 Study

NCT05482711
Conditions
Aging
Interventions
Time Restricted Eating Intervention
Other
Lead sponsor
University of Florida
Other
Eligibility
65 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Completed No phase listed Observational Accepts healthy volunteers

Pharmacokinetics and Pharmacodynamics of Fructose

NCT00661947
Conditions
Healthy
Interventions
Dr Pepper sweetened with sucrose or high fructose corn syrup
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Ketogenic Dieting
Interventions
Carbohydrate Supplement (Carb10), Diet, Exercise
Dietary Supplement · Other
Lead sponsor
Texas Woman's University
Other
Eligibility
18 Years to 30 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Denton, Texas