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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers

Ketogenic Diet for Reduction of CNS Oxygen Toxicity in Working Divers

NCT03433261
Conditions
CNS Oxygen Toxicity, Ketogenic Diet
Interventions
Ketogenic Diet
Dietary Supplement
Lead sponsor
Duke University
Other
Eligibility
18 Years to 50 Years
Enrollment
91 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Alcohol Use Disorder, Ketosis
Interventions
Kenetik, magnetic resonance imaging scan, fludeoxyglucose-18 positron emission tomography scan, Alcohol bar lab, Placebo beverage
Dietary Supplement · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
HIV Infections, Hypertriglyceridemia
Interventions
Fenofibrate, Fish Oil
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2005
U.S. locations
5
States / cities
San Francisco, California • Atlanta, Georgia • Cincinnati, Ohio + 2 more
Conditions
Prediabetes, Healthy (Controls)
Interventions
Ketone Monoester (KE), Placebo
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
60 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
2
States / cities
Birmingham, Alabama
Conditions
Type1diabetes
Interventions
Very low carbohydrate diet
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years to 40 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Nicotine Dependence, Tobacco Use
Interventions
Nicotine replacement therapy - Transdermal nicotine patch, Nicotine replacement therapy - Nicotine gum, Nicotine replacement therapy - Nicotine lozenge, Bupropion, Varenicline, Combination pharmacotherapy - Transdermal nicotine patch + nicotine gum, Combination pharmacotherapy - Transdermal nicotine patch + nicotine lozenge, Combination pharmacotherapy - Transdermal nicotine patch + bupropion, Tobacco quitline referral, Tailored behavioral intervention, Alcohol use risk reduction, Behavioral activation for depressive symptoms, Behavioral management of postcessation weight gain
Drug · Behavioral
Lead sponsor
Mark Vander Weg
Other
Eligibility
18 Years to 99 Years
Enrollment
411 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Iowa City, Iowa
Withdrawn Not applicable Interventional Accepts healthy volunteers

Diabetic Cardiomyopathy and Heart Failure

NCT05571865
Conditions
Diabetic Cardiomyopathies, Heart Failure
Interventions
Probiotic
Dietary Supplement
Lead sponsor
University of Louisville
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Louisville, Kentucky
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
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
Metabolic Syndrome
Interventions
Ketone Ester Supplement, Placebo
Dietary Supplement · Other
Lead sponsor
University of Southern Mississippi
Other
Eligibility
18 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Hattiesburg, Mississippi
Completed Not applicable Interventional Accepts healthy volunteers

Accuracy of Current Techniques in Quantifying Ketone Levels

NCT06909331
Conditions
Placebo - Control, Exogenous Ketone Salt
Interventions
Exogenous ketone salt, Placebo drink solution
Dietary Supplement
Lead sponsor
Augusta University
Other
Eligibility
18 Years to 35 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Augusta, Georgia
Conditions
Oxygen Toxicity
Interventions
Ketogenic food products, Control: Placebo
Dietary Supplement
Lead sponsor
Duke University
Other
Eligibility
18 Years to 39 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Tailored Tobacco Quitline for Rural Veterans

NCT01592695
Conditions
Cigarette Smoking
Interventions
Nicotine replacement therapy - transdermal nicotine patch, Tailored behavioral intervention, Tobacco quit line referral, Nicotine replacement therapy - nicotine gum, Nicotine replacement therapy - nicotine lozenge, Bupropion Sustained Release, Varenicline, Combination pharmacotherapy - transdermal nicotine patch + nicotine gum, Combination pharmacotherapy - transdermal nicotine patch + nicotine lozenge, Combination pharmacotherapy - transdermal nicotine patch + bupropion, Alcohol use risk reduction, Behavioral activation for the treatment of depression, Behavioral management of post-cessation weight gain
Drug · Behavioral
Lead sponsor
Iowa City Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 99 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Iowa City, Iowa
Recruiting Phase 2 Interventional

Ketones for Opioid Craving

NCT07128524
Conditions
Opioid Use Disorder
Interventions
Treatment with Ketone Supplement, Treatment with Placebo
Dietary Supplement
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Wernersville, Pennsylvania
Not listed Not applicable Interventional Accepts healthy volunteers

Treating Smokeless Tobacco Use in Rural Veterans

NCT02994082
Conditions
Smokeless Tobacco, Nicotine Dependence
Interventions
Tailored behavioral intervention, Behavioral activation for elevated depressive symptoms, Post-cessation weight gain management, Alcohol use risk reduction, Nicotine replacement therapy - transdermal nicotine patch, Nicotine replacement therapy - nicotine lozenge, Nicotine replacement therapy - nicotine gum, Bupropion sustained release, Varenicline, Combination nicotine replacement therapy, Combination nicotine replacement therapy + bupropion, Tobacco quit line, Educational materials
Behavioral · Drug
Lead sponsor
Mark Vander Weg
Federal
Eligibility
18 Years to 99 Years
Enrollment
123 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Long-chain 3-hydroxyacyl-CoA Dehydrogenase Deficiency, Carnitine Palmitoyltransferase Deficiency 2, Very Long Chain Acyl Coa Dehydrogenase Deficiency, Trifunctional Protein Deficiency
Interventions
Nutritional Ketone Supplement, Isocaloric Placebo Supplement
Dietary Supplement
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Portland, Oregon
Completed Not applicable Interventional Accepts healthy volunteers

Ketone Ester Supplementation and Nocturnal Blood Pressure

NCT05888506
Conditions
Cardiovascular Diseases in Old Age, Aging, Cardiovascular Diseases, Sleep
Interventions
Ketone Ester, Placebo
Dietary Supplement
Lead sponsor
Georgia Southern University
Other
Eligibility
50 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Savannah, Georgia
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
Conditions
Glucose Metabolism Disorders (Including Diabetes Mellitus), Energy Supply; Deficiency, Type 2 Diabetes
Interventions
Standard weight maintaining diet, Weight maintaining isocaloric ketogenic diet, Beta-hydroxy butyrate
Other · Dietary Supplement
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 70 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
2
States / cities
San Antonio, Texas
Recruiting Not applicable Interventional Accepts healthy volunteers

Ketone Ester And Salt (KEAS) in Older Adults

NCT06868719
Conditions
Salt; Excess, Hypertension, Aging, Inflammation, Blood Pressure
Interventions
No Salt, No β-OHB, High Salt, No β-OHB, High Salt, High β-OHB
Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
50 Years to 85 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Bloomington, Indiana
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Brain Small Chain Fatty Acid Metabolism in Parkinson Disease: Ketones

NCT05778695
Conditions
Parkinson Disease, Lewy Body Dementia, Parkinson Disease Dementia
Interventions
Ketone Ester (R)-3-Hydroxybutyl (R)-3-Hydroxybutyrate
Dietary Supplement
Lead sponsor
University of Michigan
Other
Eligibility
45 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
2
States / cities
Ann Arbor, Michigan
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
Congestive Heart Failure(CHF)
Interventions
Hawthorn supplement, Ketones, Placebo Control
Dietary Supplement · Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Enrolling by invitation Phase 2Phase 3 Interventional Accepts healthy volunteers

Relationship Between Brain and Heart Glucose Metabolism in Alcohol Use Disorder

NCT05015881
Conditions
Alcohol Use Disorder (AUD), Alcohol Drinking
Interventions
Ketone Ester "(R)-3-hydroxybutyl (R)-3-hydroxybutyrate", FDG
Dietary Supplement · Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania