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Showing 1–24 of 43 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Essential Amino Acid Protein Supplement Clear all
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Blood Flow Restriction With and Without Arginine on Physical Performance and Growth Hormone

NCT04079010
View directory record Official record
Conditions
Blood Flow Restriction, Growth Hormone, Strength Outcomes, Arginine
Interventions
BFR, Arginine, Placebo Pill
Procedure · Dietary Supplement
Lead sponsor
University of Mary Hardin-Baylor
Other
Eligibility
18 Years to 25 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Belton, Texas
Source: ClinicalTrials.gov public record
Updated Apr 1, 2020 · Synced Sep 26, 2026, 2:06 PM EDT
Completed Phase 2 Interventional Results available

Use of β-hydroxy-β-methylbutyrate to Counteract Muscle Loss in Men With Prostate Cancer on Androgen Ablation

NCT01607879
View directory record Official record
Conditions
Prostate Cancer
Interventions
Standard of care ADT + (HMB + arginine + glutamine), Standard of care ADT
Drug · Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
60 Years and older · Male only
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Sep 26, 2026, 2:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutritional Stimulation of Growth in Children With Short Stature

NCT04226586
View directory record Official record
Conditions
Nutritional Stunting, Growth Failure
Interventions
Essential Amino Acid (EAA) group, Placebo
Dietary Supplement
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
3 Years to 11 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jul 30, 2024 · Synced Sep 26, 2026, 2:06 PM EDT
Completed Phase 1 Interventional

Safety, Tolerability and Effects of L-Arginine in Boys With Dystrophinopathy on Corticosteroids

NCT01388764
View directory record Official record
Conditions
Dystrophinopathy, Duchenne Muscular Dystrophy, Becker's Muscular Dystrophy
Interventions
L-arginine
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
7 Years to 11 Years · Male only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 2, 2012 · Synced Sep 26, 2026, 2:06 PM EDT
Completed Early Phase 1 Interventional

Omega-3 Fatty Acids That Affect the Immune System in Kidney Transplant Patients

NCT00047983
View directory record Official record
Conditions
Kidney Diseases
Interventions
Canola oil, Arginine, Fish oil emulsion
Dietary Supplement
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
4 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2004
U.S. locations
4
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Sep 26, 2026, 2:06 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 26, 2026, 2:06 PM EDT
Withdrawn Not applicable Interventional

Targeted Nutritional Supplement After Lumbar Spine Surgery: A Randomized, Placebo-Controlled, Double-Blind Trial

NCT06579391
View directory record Official record
Conditions
Lumbar Spinal Stenosis
Interventions
Essential amino acids, Alanine
Dietary Supplement
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced Sep 26, 2026, 2:06 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 26, 2026, 2:06 PM EDT
Completed Phase 2 Interventional Results available

Mechanistic Approach to Preventing Atrophy and Restoring Function in Older Adults

NCT02145949
View directory record Official record
Conditions
Muscle Atrophy, Quality of Life
Interventions
Essential Amino Acids (EAA), Placebo (Alanine)
Drug
Lead sponsor
University of Oregon
Other
Eligibility
50 Years to 80 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
2
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 22, 2024 · Synced Sep 26, 2026, 2:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Orally Ingesting Branched Chained Amino Acids on Delayed Onset Muscle Soreness in Diabetic Patients

NCT01211717
View directory record Official record
Conditions
Type 2 Diabetes, Healthy Individuals
Interventions
Branched Chained Amino Acids, Cellulose Placebo mix
Dietary Supplement · Other
Lead sponsor
Loma Linda University
Other
Eligibility
20 Years to 90 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Apr 21, 2011 · Synced Sep 26, 2026, 2:06 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Understanding the Efficacy of Dietary Supplement on Fungal Mycobiota in Healthy Volunteers: A Pilot Study

NCT06433310
View directory record Official record
Conditions
Gut Microbiome, Gut Health, Dietary Supplement, L-Phenylalanine, Phenylpropionic Acid
Interventions
L-Phenylalanine 500 mg Veg Capsule product
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Sep 26, 2026, 2:06 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 26, 2026, 2:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Arginine Feeding: a Novel Strategy to Improve Protein Metabolism in Cancer and the Response to Surgery

NCT00497380
View directory record Official record
Conditions
Protein Metabolism
Interventions
Arginine
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
30 Years and older · Female only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Sep 29, 2025 · Synced Sep 26, 2026, 2:06 PM EDT
Not listed Not applicable Interventional

Nutritional Stimulation of Muscle Protein Synthesis and Metabolic Rate After Bariatric Surgery

NCT04751916
View directory record Official record
Conditions
Weight Loss
Interventions
Essential Amino Acid Protein Supplement, Beneprotein®
Dietary Supplement
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 3, 2023 · Synced Sep 26, 2026, 2:06 PM EDT
Terminated Not applicable Interventional

Muscle, Essential Amino Acids, and eXercise in Heart Failure

NCT03312387
View directory record Official record
Conditions
Heart Failure, Diastolic
Interventions
Exercise, Essential Amino Acids, Placebo
Other · Dietary Supplement
Lead sponsor
Arizona State University
Other
Eligibility
60 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
2
States / cities
Phoenix, Arizona • Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 2, 2019 · Synced Sep 26, 2026, 2:06 PM EDT
Completed Not applicable Interventional Results available

Nutritional Therapy Interventions in Heart Failure

NCT03424265
View directory record Official record
Conditions
Heart Failure NYHA Class II
Interventions
EAA mixture, Placebo (whey protein)
Dietary Supplement
Lead sponsor
University of Arkansas
Other
Eligibility
60 Years to 89 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jul 11, 2021 · Synced Sep 26, 2026, 2:06 PM EDT
Completed Not applicable Interventional

Hydrolyzed Casein and Whey Protein Supplementation and the Addition of Leucine to Induce Protein Anabolism in Malnourished COPD Patients

NCT01154400
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Casein protein hydrolysates, Whey protein hydrolysates, Casein protein hydrolysates + LEU, Whey protein hydrolysates + LEU
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
45 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Oct 14, 2012 · Synced Sep 26, 2026, 2:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Essential Amino Acids and High Intensity Interval Training

NCT04080102
View directory record Official record
Conditions
Cardiovascular Risk Factor, Obesity
Interventions
High Intensity Interval Training, Essential Amino Acid, High intensity interval training and essential amino acid supplement
Other · Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
30 Years to 50 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 29, 2020 · Synced Sep 26, 2026, 2:06 PM EDT
Completed Not applicable Interventional Results available

Oral Amino Acid Nutrition to Improve Glucose Excursions in PCOS

NCT03717935
View directory record Official record
Conditions
Polycystic Ovarian Syndrome, Obesity, Hepatic Steatosis
Interventions
Essential Amino Acid (EAA) Supplement, Placebo
Dietary Supplement · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
12 Years to 21 Years · Female only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 23, 2025 · Synced Sep 26, 2026, 2:06 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Vitamin B6 Effects for Women Taking Birth Control Pills

NCT01128244
View directory record Official record
Conditions
Vitamin B6 Deficiency
Interventions
Vitamin B6, Infusion of labeled serine, methionine and leucine
Dietary Supplement · Procedure
Lead sponsor
University of Florida
Other
Eligibility
20 Years to 40 Years · Female only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 6, 2017 · Synced Sep 26, 2026, 2:06 PM EDT
Completed Phase 1 Interventional

Efficacy Study of Oral Arginine to Improve Immune Function in Glioblastoma Multiforme

NCT02017249
View directory record Official record
Conditions
Glioblastoma Multiforme
Interventions
arginine in powder form, Silica and cellulose placebo powder
Drug
Lead sponsor
Inova Health Care Services
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 15, 2019 · Synced Sep 26, 2026, 2:06 PM EDT
Completed Phase 2 Interventional

L-Arginine, Vascular Response and Mechanisms

NCT01482247
View directory record Official record
Conditions
Hypertension, Diabetes
Interventions
L-Arginine, Placebo Supplement
Dietary Supplement
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
70 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 27, 2016 · Synced Sep 26, 2026, 2:06 PM EDT
Not yet recruiting Phase 1 Interventional

Study of Supplemental Arginine With Chemotherapy and Immunotherapy in Platinum Resistant Ovarian, Fallopian Tube, and Peritoneal Cancer

NCT07772882
View directory record Official record
Conditions
Platinum Resistant Ovarian Cancer, Fallopian Tube Cancers, Peritoneal Carcinoma
Interventions
Cohort A1, Cohort A2, Cohort A3, A3 Expansion, Cohort B1, Cohort B2, Cohort B3, B3 Expansion
Drug
Lead sponsor
Rebecca Arend
Other
Eligibility
18 Years to 89 Years · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 26, 2026, 2:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Combined Effects of Nutritional and Exercise Countermeasures

NCT00447044
View directory record Official record
Conditions
Muscular Atrophy, Muscle Weakness
Interventions
Resistance Exercise, diet orange soda, essential amino acids
Behavioral · Dietary Supplement
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 50 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jun 18, 2009 · Synced Sep 26, 2026, 2:06 PM EDT