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ClinicalTrials.gov public records Last synced Oct 10, 2026, 5:22 AM EDT

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

Showing 73–96 of 115 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Stable isotopes Clear all
Withdrawn Not applicable Interventional Accepts healthy volunteers

Anabolic Response Cancer

NCT02793531
View directory record Official record
Conditions
Cancer
Interventions
Stable isotope amino acid infusion
Other
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Mar 22, 2018 · Synced Oct 10, 2026, 5:22 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Lipoprotein Kinetics in T1D

NCT05179954
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Metabolic testing
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 45 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced Oct 10, 2026, 5:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Late Dinner on Nocturnal Metabolism

NCT03525717
View directory record Official record
Conditions
Healthy
Interventions
Routine Dinner, Late dinner
Dietary Supplement
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 30 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 2, 2020 · Synced Oct 10, 2026, 5:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Chronic Obstructive Pulmonary Disorder and Acute Exercise

NCT02780219
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
stable amino acid infusion, acute exercise with amino acid infusion, 24-hour post exercise amino acid infusion
Other
Lead sponsor
Texas A&M University
Other
Eligibility
45 Years and older
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Oct 10, 2026, 5:22 AM EDT
Withdrawn Phase 1 Interventional

Dexamethasone/Pancreatic Clamp P&F

NCT06126354
View directory record Official record
Conditions
Insulin Resistance, Prediabetic State, Non-Alcoholic Fatty Liver Disease, Overweight and Obesity
Interventions
Insulin human, Octreotide Acetate, Glucagon, Human Growth Hormone, Dexamethasone Oral, [6,6-2H2] D-glucose, 20% D-glucose (aq), BOOST Plus, Harvard Apparatus PHD ULTRA CP syringe pump, Yellow Springs Instruments (YSI) 2500 Biochemistry Glucose/Lactate Analyzer, Normal saline, Human albumin
Drug · Other · Dietary Supplement + 1 more
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 10, 2024 · Synced Oct 10, 2026, 5:22 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Dietary Iron Requirements

NCT07139821
View directory record Official record
Conditions
Iron Absorption
Interventions
Stable iron isotope
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 50 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
2
States / cities
Baton Rouge, Louisiana • Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 10, 2026, 5:22 AM EDT
Completed Not applicable Interventional

Insulin on Post Burn Hypermetabolism

NCT00137254
View directory record Official record
Conditions
Burns
Interventions
Insulin, Stable Isotopes, Indocyanine Green
Drug
Lead sponsor
United States Army Institute of Surgical Research
Federal
Eligibility
18 Years to 72 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Fort Sam Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 12, 2012 · Synced Oct 10, 2026, 5:22 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Abscisic Acid Effects on Glucose Homeostasis and Insulin Sensitivity

NCT04722354
View directory record Official record
Conditions
Pre Diabetes
Interventions
Hyperinsulemic euglycemic clamp, Muscle Biopsy, Oral abscisic acid (ABA), Placebo
Other · Procedure · Dietary Supplement
Lead sponsor
AdventHealth Translational Research Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Oct 10, 2026, 5:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Whole Body Protein Metabolism of a Whey/EAA Supplement Using Continuous Oral Stable Isotopes

NCT04612400
View directory record Official record
Conditions
Healthy
Interventions
Oral amino acid tracer
Other
Lead sponsor
University of Arkansas
Other
Eligibility
21 Years to 40 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Aug 28, 2023 · Synced Oct 10, 2026, 5:22 AM EDT
Completed Phase 1 Interventional Results available

Clearance of 25-hydroxyvitamin D3 During Vitamin D3 Supplementation

NCT03576716
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
D6-25-hydroxyvitamin D3
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 17, 2022 · Synced Oct 10, 2026, 5:22 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Muscle OXPHOS and Nutrient Homeostasis

NCT02920671
View directory record Official record
Conditions
Mitochondrial Diseases, Obesity
Interventions
Tracer-enhanced oral glucose tolerance test (OGTT*), Muscle MRI, Dual energy x-ray absorptiometry (DXA), Questionnaires
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2024
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 3, 2024 · Synced Oct 10, 2026, 5:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Iron Absorption and Exercise

NCT04079322
View directory record Official record
Conditions
Iron-deficiency, Iron Deficiency Anemia
Interventions
Meal
Other
Lead sponsor
Florida State University
Other
Eligibility
Not listed
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Feb 27, 2020 · Synced Oct 10, 2026, 5:22 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Imaging Oxidative Metabolism and Neurotransmitter Synthesis in the Human Brain

NCT03849963
View directory record Official record
Conditions
Brain Metabolism
Interventions
Not listed
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2030
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Oct 10, 2026, 5:22 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Lipoprotein Metabolism in Normal Volunteers and Patients With Abnormal Levels of Lipoproteins

NCT00001226
View directory record Official record
Conditions
Healthy, Hyperlipoproteinemia
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1987 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 10, 2026, 5:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutritional Outcomes After Vitamin A Supplementation in Subjects With SCD

NCT03632876
View directory record Official record
Conditions
Sickle Cell Anemia in Children, Vitamin A Deficiency in Children
Interventions
retinyl palmitate
Dietary Supplement
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
9 Years and older
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 16, 2018 · Synced Oct 10, 2026, 5:22 AM EDT
Withdrawn No phase listed Observational

Effect of Glutamine Supplemented Nutrition Support on Protein and Glutamine Metabolism in Burns

NCT00216996
View directory record Official record
Conditions
Burns
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 16, 2016 · Synced Oct 10, 2026, 5:22 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Absorption of Heme and Non-Heme Iron in Pregnant and Non-pregnant Women and Mechanisms of Fetal Iron Transfer

NCT01019096
View directory record Official record
Conditions
Iron Deficiency
Interventions
Not listed
Lead sponsor
Cornell University
Other
Eligibility
15 Years to 35 Years · Female only
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
2
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Mar 22, 2012 · Synced Oct 10, 2026, 5:22 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Assessments of Adipogenesis, Lipid Turnover and Cellular Composition in Adipose Tissue in Response to Endurance Exercise

NCT06602141
View directory record Official record
Conditions
Obesity
Interventions
Muscle Biopsy, Adipose Biopsy, Glucose Clamp, Accelerometer, Endurance Exercise, Physical activity/ dietary habits, Heavy Water Labeling Period
Procedure · Other
Lead sponsor
AdventHealth Translational Research Institute
Other
Eligibility
18 Years to 45 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
2
States / cities
Orlando, Florida • Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Mar 27, 2026 · Synced Oct 10, 2026, 5:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

AECOPD and Nutritional Supplementation in COPD

NCT06801964
View directory record Official record
Conditions
Obstructive Pulmonary Disease, Exacerbation Copd
Interventions
Stable isotope infusion, Protein and Fish Oil, Protein and Olive Oil, Carbohydrate and Olive Oil
Other · Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
45 Years and older
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Jan 30, 2025 · Synced Oct 10, 2026, 5:22 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Clearance of 25-hydroxyvitamin D in Cystic Fibrosis

NCT03104855
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
d6-25-hydroxyvitamin D3
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 12, 2023 · Synced Oct 10, 2026, 5:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of EED on Zn Absorption and Retention in Children From a MNP

NCT02758444
View directory record Official record
Conditions
Environmental Enteric Dysfunction, Zinc Deficiency
Interventions
Micronutrient Powder (MNP) + 15 mg Zn, MNP + 10 mg Zn, MNP + 5 mg Zn, MNP without Zn
Dietary Supplement
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Months to 24 Months
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 5, 2019 · Synced Oct 10, 2026, 5:22 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Quantification of Human Adipogenesis

NCT01257997
View directory record Official record
Conditions
Healthy
Interventions
15N-Thymidine, 2H-Water
Biological
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 49 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 29, 2018 · Synced Oct 10, 2026, 5:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Omics Profiling of Weight Loss With Bariatric Surgery

NCT02757638
View directory record Official record
Conditions
Obesity, Surgery
Interventions
Stable isotope infusion
Other
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Oct 10, 2026, 5:22 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

In Vivo Assessment of Glutamine Utilization by Bone Marrow Plasma Cells

NCT03384108
View directory record Official record
Conditions
Healthy
Interventions
5-13C-Glutamine, Bone marrow aspiration
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 25, 2026 · Synced Oct 10, 2026, 5:22 AM EDT