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ClinicalTrials.gov public records Last synced Sep 19, 2026, 11:41 PM EDT

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Showing 1–24 of 290 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Amino acid supplement Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Glutathione on Immunity in Individuals Training for a Marathon

NCT03725241
View directory record Official record
Conditions
Healthy
Interventions
Glutathione Supplement, Placebo Supplement
Dietary Supplement
Lead sponsor
University of North Texas, Denton, TX
Other
Eligibility
19 Years to 45 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Denton, Texas
Source: ClinicalTrials.gov public record
Updated Nov 18, 2020 · Synced Sep 19, 2026, 11:41 PM EDT
Completed Phase 4 Interventional Results available

Effects of Teriparatide or Denosumab on Bone in Postmenopausal Women With Osteoporosis

NCT01753856
View directory record Official record
Conditions
Osteoporosis
Interventions
Teriparatide, Denosumab, Demeclocycline, Tetracycline, Calcium Supplement, Vitamin D
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
55 Years to 89 Years · Female only
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
4
States / cities
Lakewood, Colorado • Gainesville, Georgia • Detroit, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2015 · Synced Sep 19, 2026, 11:41 PM EDT
Terminated Early Phase 1 Interventional

Nutritional Supplementation Effects on Rehabilitation Outcomes in Rotator Cuff Pathology

NCT01798693
View directory record Official record
Conditions
Rotator Cuff/Shoulder Structure and Function
Interventions
Placebo (maltodextrin), Multi-nutrient Blend
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 12, 2015 · Synced Sep 19, 2026, 11:41 PM EDT
Recruiting Phase 2 Interventional

Essential Amino Acid Supplementation for Femoral Fragility Fractures

NCT06050668
View directory record Official record
Conditions
Femoral Fracture, Fragility Fracture, Muscle Atrophy
Interventions
Essential Amino Acid Supplementation
Combination Product
Lead sponsor
Michael C Willey
Other
Eligibility
65 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Iowa City, Iowa • Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 19, 2026, 11:41 PM EDT
Completed Phase 2 Interventional Results available

Pemetrexed and Gemcitabine in Patients With Advanced Non-Small Cell Lung Cancer

NCT00193414
View directory record Official record
Conditions
Lung Cancer
Interventions
Pemetrexed, Gemcitabine
Drug
Lead sponsor
SCRI Development Innovations, LLC
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Sep 19, 2026, 11:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effects of Leucine on Body Weight

NCT00683826
View directory record Official record
Conditions
Overweight, Obesity
Interventions
L-Leucine 8gr, Liquid meal, L-Leucine 4g
Dietary Supplement · Other
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 4, 2013 · Synced Sep 19, 2026, 11:41 PM EDT
Terminated Phase 4 Interventional Results available

Oral Anti Diabetic Agents in the Hospital

NCT04416269
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Oral Anti-diabetes Drugs alone, Basal bolus insulin, Supplemental insulin, Continuous glucose monitoring (CGM)
Drug · Device
Lead sponsor
Emory University
Other
Eligibility
18 Years to 80 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
3
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 19, 2026, 11:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy of Transfer Factor to Prevent Upper Respiratory Tract Infections in Healthy Adults

NCT01106183
View directory record Official record
Conditions
Upper Respiratory Tract Infections Due to Influenza or Rhinovirus
Interventions
transfer factor, Placebo
Dietary Supplement
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 40 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 20, 2025 · Synced Sep 19, 2026, 11:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Vitamin C Enriched Hydrolyzed Collagen, PrimaColl™, Whey Protein, or Placebo on Collagen Synthesis

NCT05427279
View directory record Official record
Conditions
Effect of Food Supplement
Interventions
Placebo, Hydrolized Collagen, PrimaColl, Whey protein
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 30 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Sep 19, 2026, 11:41 PM EDT
Completed Phase 2 Interventional Results available

Thyroid Hormone to Induce Non-Insulin Mediated Glucose Disposal in People With Insulin Receptor Mutations

NCT02457897
View directory record Official record
Conditions
Insulin Resistance, Diabetes Mellitus, Abnormal Glucose Metabolism
Interventions
Liothyronine
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
12 Years to 65 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 4, 2019 · Synced Sep 19, 2026, 11:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Microbial Protease Supplementation on Postprandial Amino Acid Levels

NCT04821557
View directory record Official record
Conditions
Protein Metabolism
Interventions
Protease + Protein, Placebo + Protein
Dietary Supplement
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
20 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 4, 2024 · Synced Sep 19, 2026, 11:41 PM EDT
Withdrawn Not applicable Interventional

Exercise and Nutritional Intervention for Deconditioned Older Adults

NCT01115530
View directory record Official record
Conditions
Muscle Weakness
Interventions
Resistance exercise, Protein and HMB (see below) supplement
Other · Dietary Supplement
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
65 Years to 90 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
No. Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Apr 12, 2012 · Synced Sep 19, 2026, 11:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Nutritional Supplementation on Occupational Performance in Firefighters

NCT06172543
View directory record Official record
Conditions
Fatigue
Interventions
Creatine Monohydrate, Control
Dietary Supplement
Lead sponsor
Ward Dobbs
Other
Eligibility
18 Years to 55 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
La Crosse, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 14, 2023 · Synced Sep 19, 2026, 11:41 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Pilot Study to Evaluate the Ability of Lactoferrin to Modulate Iron Homeostasis and Exercise Performance in Exercising Females

NCT07546591
View directory record Official record
Conditions
Iron Deficiencies, Low Ferritin, Iron Deficiency, Exercise Performance of Fit Athletes
Interventions
Lactoferrin 100 mg, Lactoferrin 300 mg, Iron Supplementation (5 mg)
Dietary Supplement
Lead sponsor
Lindenwood University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Sep 19, 2026, 11:41 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Leucine Enriched Essential Amino Acid Mixture to Reverse Muscle Loss in Cirrhosis

NCT03208868
View directory record Official record
Conditions
Cirrhosis, Liver
Interventions
Leucine enriched essential amino acid (EEA/LEU), Balanced amino acid supplement (BAA)
Dietary Supplement
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2028
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 19, 2026, 11:41 PM EDT
Recruiting Phase 2Phase 3 Interventional

Targeting the Neurobiology of RRB in Autism Using N-acetylcysteine: Trial

NCT05664789
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
N acetyl cysteine, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
3 Years to 12 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Sep 19, 2026, 11:41 PM EDT
Withdrawn Phase 2Phase 3 Interventional

Essential Amino Acid Supplementation in Older Adult COVID-19 Patients

NCT04816071
View directory record Official record
Conditions
Covid19
Interventions
Essential amino acids, Maltodextrin
Drug · Dietary Supplement
Lead sponsor
University of Arkansas
Other
Eligibility
55 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Sep 2, 2024 · Synced Sep 19, 2026, 11:41 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

THRIVE Well Cancer FDTN/Exercise_Creatine Supplementation

NCT06395506
View directory record Official record
Conditions
Breast Cancer, Breast Cancer Female, Muscle Weakness
Interventions
Creatine
Dietary Supplement
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 75 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced Sep 19, 2026, 11:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Almased Multi-Center Diabetes Intervention Trial

NCT01702012
View directory record Official record
Conditions
Type 2 Diabetes, Obesity
Interventions
Almased Meal Replacement Powder, Group-Based Lifestyle Intervention
Dietary Supplement · Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
21 Years and older
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 30, 2020 · Synced Sep 19, 2026, 11:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Metabolomic Impacts of Branched-chain Amino Acid Supplementation During Endurance Exercise

NCT04969536
View directory record Official record
Conditions
Healthy
Interventions
Branched Chain Amino Acids, Placebo
Dietary Supplement · Other
Lead sponsor
Montana State University
Other
Eligibility
18 Years to 55 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Bozeman, Montana
Source: ClinicalTrials.gov public record
Updated May 2, 2023 · Synced Sep 19, 2026, 11:41 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Daily Upgrade Trial

NCT07792603
View directory record Official record
Conditions
Healthy Women
Interventions
Essential Amino Acid+, Non-Calorie Placebo, High intensity Interval Training, No Exercise
Dietary Supplement · Behavioral · Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
25 Years to 45 Years · Female only
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 19, 2026, 11:41 PM EDT
Terminated Phase 2 Interventional Results available

Pediatric Study of GVHD Ppx w/o Calcineurin Inhibitors After Day60 Post First Allo HSCT for Hematological Malignancies.

NCT05579769
View directory record Official record
Conditions
Hematologic Malignancy, Myeloid Malignancy
Interventions
Ruxolitinib, Mesna, Anti-thymocyte globulin (ATG), Cyclosporine, Cyclophosphamide, Fludarabine, Methotrexate, Total Body Irradiation (radiation treatment), Bone marrow infusion, Busulfan, Thiotepa
Drug · Radiation
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
12 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 1, 2025 · Synced Sep 19, 2026, 11:41 PM EDT
Completed Not applicable Interventional

High Intensity Resistance Training + Creatine in Perimenopause

NCT07027800
View directory record Official record
Conditions
Perimenopause
Interventions
Creatine Monohydrate, Placebo
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
38 Years to 60 Years · Female only
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Sep 19, 2026, 11:41 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Prandial Metabolic Phenotyping in Sarcopenic Older Adults Comparing Plant Based and Whey Based Protein

NCT06628349
View directory record Official record
Conditions
Protein Metabolism
Interventions
Whey Protein Isolate 90%, Soy Protein Isolate (90% Protein), Organic Pea Protein Isolate, Placebo (Water)
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
50 Years to 95 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Nov 24, 2025 · Synced Sep 19, 2026, 11:41 PM EDT