Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 4, 2026, 2:08 PM EDT

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

Showing 25–48 of 250 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Amino acid supplementation Clear all
Completed Not applicable Interventional Results available

Trial of Glutamine and Antioxidant Supplementation in Critically Ill Patients

NCT00133978
View directory record Official record
Conditions
Critical Illness, Sepsis, Multiple Organ Failure
Interventions
Glutamine, Antioxidants, Glutamine + Antioxidants, Placebo
Other
Lead sponsor
Daren K. Heyland
Other
Eligibility
18 Years and older
Enrollment
1,223 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
5
States / cities
Aurora, Colorado • Louisville, Kentucky • Dayton, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 7, 2021 · Synced Oct 4, 2026, 2:08 PM EDT
Completed Phase 2 Interventional Results available

Effectiveness of Two Types of Treatment in Restoring Muscle After Hip or Knee Surgery

NCT00393848
View directory record Official record
Conditions
Hip Fracture, Osteoarthritis, Femur Head Necrosis
Interventions
Essential amino acid supplement, Ketoconazole, Placebo
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
30 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jun 2, 2014 · Synced Oct 4, 2026, 2:08 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 15, 2012 · Synced Oct 4, 2026, 2:08 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 27, 2026 · Synced Oct 4, 2026, 2:08 PM EDT
Completed Phase 3 Interventional Results available

Effect of Teriparatide on Hip Fracture Healing

NCT01473589
View directory record Official record
Conditions
Femur Neck Fracture
Interventions
Teriparatide, Placebo, Calcium supplementation, Vitamin D supplementation
Drug · Dietary Supplement
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
50 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
24
States / cities
Phoenix, Arizona • Tucson, Arizona • La Mesa, California + 21 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2015 · Synced Oct 4, 2026, 2:08 PM EDT
Completed Phase 4 Interventional Results available

Effect of Probiotic Supplementation on Endothelial Function

NCT01952834
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
GoodBelly Probiotic, Vancomycin
Dietary Supplement · Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
40 Years to 75 Years · Male only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Milwauke, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 21, 2016 · Synced Oct 4, 2026, 2:08 PM EDT
Completed Not applicable Interventional Results available

Health Effects of oraL Protein Supplements in HD (The HELPS-HD Trial)

NCT02933151
View directory record Official record
Conditions
End Stage Renal Disease
Interventions
Nutritional Supplement
Dietary Supplement
Lead sponsor
Dialysis Clinic, Inc.
Industry
Eligibility
18 Years and older
Enrollment
10,457 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
2
States / cities
Jacksonville, Florida • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 5, 2024 · Synced Oct 4, 2026, 2:08 PM EDT
Completed Not applicable Interventional

Investigation of Medical Management to Prevent Episodes of Diverticulitis Trial

NCT05681559
View directory record Official record
Conditions
Diverticulitis
Interventions
Medi for All, Standard Fiber Supplementation
Behavioral · Dietary Supplement
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 4, 2026, 2:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Creatine Monohydrate Supplementation and Vascular Endothelial Health

NCT05014659
View directory record Official record
Conditions
Endothelial Dysfunction, Oxidative Stress
Interventions
Creatine monohydrate, Placebo
Dietary Supplement
Lead sponsor
Florida State University
Other
Eligibility
50 Years to 64 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Jan 13, 2023 · Synced Oct 4, 2026, 2:08 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Creatine Use and Muscle Stretching in Peripheral Artery Disease

NCT04471792
View directory record Official record
Conditions
Peripheral Arterial Disease
Interventions
Creatine monohydrate, Cellulose
Drug · Dietary Supplement
Lead sponsor
Florida State University
Other
Eligibility
40 Years to 95 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Oct 4, 2026, 2:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of 4 Weeks of L-Citrulline Supplementation on Macro- and Microvascular Function in Type 2 Diabetes

NCT06016478
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
L-citrulline, Placebo
Dietary Supplement
Lead sponsor
Texas Tech University
Other
Eligibility
40 Years to 75 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated May 15, 2025 · Synced Oct 4, 2026, 2:08 PM EDT
Recruiting Phase 1Phase 2 Interventional

Durvalumab in Different Combinations With Pralatrexate, Romidepsin and Oral 5-Azacitidine for Lymphoma

NCT03161223
View directory record Official record
Conditions
Lymphoma, T-Cell
Interventions
Durvalumab, Pralatrexate, Romidepsin, 5-Azacitidine
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 31, 2022 · Synced Oct 4, 2026, 2:08 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 29, 2025 · Synced Oct 4, 2026, 2:08 PM EDT
Not listed Phase 3 Interventional

The RE-ENERGIZE Study: RandomizEd Trial of ENtERal Glutamine to minimIZE Thermal Injury

NCT00985205
View directory record Official record
Conditions
Burns
Interventions
Enteral Glutamine, Placebo
Dietary Supplement
Lead sponsor
Daren K. Heyland
Other
Eligibility
18 Years and older
Enrollment
1,201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2021
U.S. locations
27
States / cities
Mobile, Alabama • Phoenix, Arizona • Los Angeles, California + 24 more
Source: ClinicalTrials.gov public record
Updated Dec 30, 2021 · Synced Oct 4, 2026, 2:08 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Trifecta Research Study

NCT07717866
View directory record Official record
Conditions
PTSD - Post Traumatic Stress Disorder, Cognitive Dysfunction, Brain Injury, Depression - Major Depressive Disorder, Suicidal Ideation
Interventions
Magnetic e-Resonance Therapy (MeRT), Ibogaine Hydrochloride with Magnesium Sulfate, 5-methoxy-N,N-dimethyltryptamine, Physiological Supplementation
Device · Drug
Lead sponsor
Axial Therapeutic Research
Industry
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Northridge, California
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Oct 4, 2026, 2:08 PM EDT
Completed Phase 2 Interventional

Glutamine Supplementation in Cystic Fibrosis

NCT01051999
View directory record Official record
Conditions
Cystic Fibrosis, Immune Function
Interventions
Glutamine, L-alanine
Dietary Supplement
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 14, 2015 · Synced Oct 4, 2026, 2:08 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Supplementation of Glutamine and Fish Oil Versus Placebo in Patients With Heart Failure

NCT01534663
View directory record Official record
Conditions
Heart Failure
Interventions
Glutamine and Fish Oil Supplementation, Placebo
Drug
Lead sponsor
Columbia University
Other
Eligibility
35 Years to 80 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 22, 2020 · Synced Oct 4, 2026, 2:08 PM EDT
Completed Phase 2 Interventional

Nutrition and Exercise in Critical Illness

NCT03021902
View directory record Official record
Conditions
Acute Respiratory Failure
Interventions
IV amino acids, In-bed cycle ergometry exercise
Drug · Device
Lead sponsor
Clinical Evaluation Research Unit at Kingston General Hospital
Other
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
7
States / cities
Lexington, Kentucky • Baltimore, Maryland • The Bronx, New York + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2025 · Synced Oct 4, 2026, 2:08 PM EDT
Terminated Phase 2 Interventional Results available

Trial of Oral Glutamine in Patients With Sickle Cell Anemia

NCT00131508
View directory record Official record
Conditions
Anemia, Sickle Cell
Interventions
Glutamine, Placebo
Drug
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
5 Years to 18 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 26, 2017 · Synced Oct 4, 2026, 2:08 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 16, 2019 · Synced Oct 4, 2026, 2:08 PM EDT
Recruiting Not applicable Interventional

Daily Amino Acid Supplementation for People With Parkinson's Disease

NCT07115563
View directory record Official record
Conditions
Parkinson Disease (PD)
Interventions
Targeted Amino Acid Supplement, Control (placebo)
Dietary Supplement
Lead sponsor
Cristina Colon-Semenza
Other
Eligibility
50 Years to 90 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Farmington, Connecticut • Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Oct 4, 2026, 2:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Beta-alanine and Elder Endurance

NCT02821481
View directory record Official record
Conditions
Physical Endurance
Interventions
Beta-alanine, Placebo, Muscular endurance exercise
Dietary Supplement · Behavioral
Lead sponsor
University of Miami
Other
Eligibility
60 Years to 90 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Sep 5, 2017 · Synced Oct 4, 2026, 2:08 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Optimization of Blood Levels of 25(OH)-Vitamin D in African Americans

NCT04939792
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Vitamin D, Placebo, Vitamin D + L-cysteine, L-cysteine
Drug
Lead sponsor
Louisiana State University Health Sciences Center Shreveport
Other
Eligibility
18 Years to 65 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Shreveport, Louisiana
Source: ClinicalTrials.gov public record
Updated Jun 8, 2023 · Synced Oct 4, 2026, 2:08 PM EDT
Recruiting Not applicable Interventional

EXERT-BC Protein: Protein Supplementation to Improve Body Composition After Treatment for Breast Cancer

NCT07704476
View directory record Official record
Conditions
Cancer, Breast Cancer
Interventions
Whey protein (60 grams), No protein
Dietary Supplement · Other
Lead sponsor
Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute)
Other
Eligibility
20 Years to 89 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 4, 2026, 2:08 PM EDT