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Showing 1–24 of 141 matching trials from the live ClinicalTrials.gov search.
Completed Not applicable Interventional Accepts healthy volunteers

Ketone Esters for Optimization of Operator Performance in Hypoxia

NCT07065864
Conditions
Hypoxia
Interventions
Ketone ester, Placebo
Dietary Supplement · Other
Lead sponsor
Florida Institute for Human and Machine Cognition
Other
Eligibility
18 Years and older · Male only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Pensacola, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Satiety of High-Protein Ramen Noodles

NCT05725681
Conditions
Appetitive Behavior
Interventions
High protein ramen, Standard ramen
Other
Lead sponsor
Texas Tech University
Other
Eligibility
25 Years to 45 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Lubbock, Texas
Conditions
Hair Thinning
Interventions
Nutrafol Supplement capsules, Placebo capsules
Dietary Supplement · Other
Lead sponsor
Ablon Skin Institute Research Center
Other
Eligibility
21 Years to 65 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Manhattan Beach, California
Completed Not applicable Interventional Results available

The BRAINFOOD Trial to Prevent Recurrent Hepatic Encephalopathy.

NCT04675775
Conditions
Cirrhosis, Ascites, Liver Diseases, Frailty, Sarcopenia, Hepatic Encephalopathy
Interventions
Medically-tailored meals (MTM), Protein supplements, Nutrition education handout
Other · Dietary Supplement · Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improving Treatment of Nontuberculous Mycobacterial Infection in Cystic Fibrosis

NCT02372383
Conditions
Cystic Fibrosis
Interventions
Ethambutol, Rifampin, Azithromycin, Pancrelipase
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
16 Years to 45 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Bowel Preparation, Efficacy, Tolerability, Safety, Colon Cancer Screening, Bowel Preparation for Colonoscopy
Interventions
Use of a standardized meal content (food-kit) the day prior to colonoscopy, Polyethylene glycol 3350 - electrolyte solution (GoLYTELY)
Other · Drug
Lead sponsor
Joseph Spataro
Federal
Eligibility
18 Years to 69 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Richmond, Virginia
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

High-Resolution Measurements of Diet-Microbiome Interactions

NCT07856823
Conditions
IBS (Irritable Bowel Syndrome)
Interventions
Inulin, Low-fiber control breakfast shake, Atmo Gas-Sensing Capsule, CapScan Regional Fluid-Sampling Capsule
Dietary Supplement · Other · Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Stanford, California
Conditions
Weight Loss, GLP - 1, Weight Loss Maintenance, Obesity & Overweight
Interventions
Weight Loss Maintenance Program (Foundational), Mom's Meals, YMCA Membership, SKY Meditation Program
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Diurnal Rhythm in Natriuretic Peptide Levels

NCT03834168
Conditions
Natriuretic Peptides, Obesity, Nocturnal Blood Pressure
Interventions
standardized Study Diet
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Birmingham, Alabama
Recruiting Not applicable Interventional Accepts healthy volunteers

Food Intake and Thermogenesis in High Spinal Cord Injury

NCT07103993
Conditions
SCI - Spinal Cord Injury
Interventions
Low meal condition, Moderate meal condition, High meal condition, Ad-libitum control condition
Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 70 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Miami, Florida
Conditions
Appetitive Behavior
Interventions
Micellar Casein (#1), Micellar Casein (#2), Calcium Caseinate, Sodium Caseinate, Milk Protein Isolate, Pure Protein Blend, Whey Protein Isolate, Native Whey Protein Isolate, Soy Protein, Pea Protein, Native Whey: Micellar Casein (50:50) blend, Carbohydrate Control
Other
Lead sponsor
Purdue University
Other
Eligibility
20 Years to 40 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
West Lafayette, Indiana
Recruiting Not applicable Interventional Accepts healthy volunteers

Night Owl Metabolism

NCT06507722
Conditions
PreDiabetes, Overweight, Impaired Glucose Tolerance
Interventions
Timing of OGTT, Timing of Standardized Meal
Diagnostic Test · Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 23 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Diabetes Mellitus, Type 1, Type 1 Diabetes Mellitus
Interventions
Diluted Humalog U-200 Insulin, Diluted U-500 Humulin Insulin, Lyumjev U-100 Insulin, Boost Mixed Meal Test
Drug · Dietary Supplement
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 60 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Palo Alto, California
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Mapping the Shift Worker's Microbiome

NCT03221517
Conditions
Healthy
Interventions
Standardized meal with a glucose challenge test
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
40 Years to 59 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Recruiting Not applicable Interventional Accepts healthy volunteers

Early Childhood Dietary Assessment Study

NCT07227272
Conditions
Dietary Assessment
Interventions
Ecological Momentary Assessment, Traditional 24-hour dietary recall
Other
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
2 Years to 5 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Knoxville, Tennessee
Conditions
Pharmacokinetics, Drug Interactions
Interventions
Dasatinib ASD, Omeprazole 40 MG
Drug
Lead sponsor
Xspray Pharma AB
Industry
Eligibility
18 Years to 60 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Dilworth, Minnesota
Completed Early Phase 1 Interventional Accepts healthy volunteers

CBD Cannabis Extract: Pharmacokinetic Studies

NCT04280289
Conditions
Epilepsy
Interventions
cannabidiol extract
Drug
Lead sponsor
University of Mississippi, Oxford
Other
Eligibility
21 Years to 55 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
University, Mississippi
Conditions
Cancer
Interventions
Standardized Meals for Diet Stabilization, Forticare, Product 4808
Behavioral · Dietary Supplement
Lead sponsor
University of Arkansas
Other
Eligibility
40 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Little Rock, Arkansas
Not yet recruiting No phase listed Observational Accepts healthy volunteers

Liver Micro Flow - MRI

NCT07634939
Conditions
Liver Diseases
Interventions
Novel MRI Software, Ensure Plus Nutrition Shake
Device · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
7 Years and older
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2029
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Insulin Resistance, Hyperinsulinemia, Metabolic Dysfunction Associated Steatotic Liver Disease, Non-Alcoholic Fatty Liver Disease, Prediabetic State, Obesity
Interventions
Insulin human, Octreotide Acetate, Glucagon, Growth Hormone, Human, 20% D-glucose (aq), [6,6-2H2] D-glucose, [1-13C1] sodium acetate, Nestle BOOST Plus, KIND Bar, Harvard Apparatus PHD ULTRA CP syringe pump, Yellow Springs Instruments (YSI) 2500 Biochemistry Glucose/Lactate Analyzer
Drug · Diagnostic Test · Dietary Supplement + 1 more
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2029
U.S. locations
1
States / cities
New York, New York
Conditions
type1diabetes, Obesity
Interventions
Hyperinsulinemic-euglycemic clamp, High Fat Mixed Meal Tolerance Test
Biological · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 30 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
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
Non-Alcoholic Fatty Liver Disease (NAFLD)
Interventions
Milk thistle (MT), Placebo, Lifestyle Modification, Fibroscan
Drug · Behavioral · Device
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
9 Years to 22 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Cleveland, Ohio
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Metabolomics-Driven Insights Into Ultra-Processed Foods

NCT07717970
Conditions
Diet, Food and Nutrition
Interventions
UPF Test Diet A: Starchy, refined grains, UPF Test Diet B: Meat, fish, and bread products, UPF Diet C: Dairy products, including cheese and cream
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
20 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts