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Showing 1–24 of 467 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Branched-chain Amino Acid Clear all
Completed Phase 2 Interventional Accepts healthy volunteers

Nutrition Beverage Tolerance Study

NCT01464385
View directory record Official record
Conditions
Human Volunteers
Interventions
Nutritional Beverage
Other
Lead sponsor
Abbott Nutrition
Industry
Eligibility
45 Years and older
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Livermore, California
Source: ClinicalTrials.gov public record
Updated Apr 30, 2012 · Synced Sep 28, 2026, 4:59 AM EDT
Completed Phase 1 Interventional

High Dose Ascorbic Acid for Plasma Cell Disorders

NCT03602235
View directory record Official record
Conditions
Multiple Myeloma
Interventions
Ascorbate, Melphalan
Other · Drug
Lead sponsor
Christopher Strouse
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Sep 28, 2026, 4:59 AM EDT
Completed Not applicable Interventional Results available

Phase 2 Study of Glycomacropeptide Versus Amino Acid Diet for Management of Phenylketonuria

NCT01428258
View directory record Official record
Conditions
Phenylketonuria
Interventions
GMP Diet/GMP Medical Foods, AA Diet/AA Medical Foods
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
12 Years to 45 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
2
States / cities
Boston, Massachusetts • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 23, 2018 · Synced Sep 28, 2026, 4:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Pilot Study to Determine the Bioavailability of Oral Beta-Aminoisobutyric Acid (BAIBA) Ingestion

NCT05328271
View directory record Official record
Conditions
Absorption; Chemicals
Interventions
Beta-Aminoisobutyric Acid
Dietary Supplement
Lead sponsor
Lindenwood University
Other
Eligibility
18 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 13, 2022 · Synced Sep 28, 2026, 4:59 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Study to Evaluate the Safety and Efficacy of CSB-001 Ophthalmic Solution 0.1% in Neurotrophic Keratitis Subjects

NCT04909450
View directory record Official record
Conditions
Neurotrophic Keratitis
Interventions
CSB-001 Ophthalmic Solution 0.1%, Vehicle Control
Biological
Lead sponsor
Claris Biotherapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
45
States / cities
Cave Creek, Arizona • Loma Linda, California • Los Angeles, California + 40 more
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Sep 28, 2026, 4:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Changes in Plasma Amino Acid Appearance After Adding Bacillus Coagulans GBI-30, 6086 to Milk Protein Concentrate

NCT05313178
View directory record Official record
Conditions
Protein Malabsorption
Interventions
Bacillus Coagulans GBI-30, 6086
Dietary Supplement
Lead sponsor
Lindenwood University
Other
Eligibility
50 Years to 70 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced Sep 28, 2026, 4:59 AM EDT
Withdrawn Not applicable Interventional

Amino Acid Supplementation in Recovery From Traumatic Brain Injury

NCT01495871
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Amino Acids, Placebo of inert compounds, Valine
Dietary Supplement
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
2
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 10, 2015 · Synced Sep 28, 2026, 4:59 AM EDT
Recruiting Early Phase 1 Interventional

Multiparametic Metabolic and Hypoxic PET/MRI for Disease Assessment in High Grade Glioma

NCT05632562
View directory record Official record
Conditions
High Grade Glioma
Interventions
O-(2-[18F]Fluoroethyl)-L-tyrosine, [18F]-FET with PET/MRI
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
10 Years to 89 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Sep 28, 2026, 4:59 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

A 16 Week Study to Evaluate the Effect on Insulin Sensitivity of Valsartan (320 mg) and Hydrochlorothiazide (25 mg) Combined and Alone, in Patients With Metabolic Syndrome

NCT00170937
View directory record Official record
Conditions
METABOLIC SYNDROME, HYPERTENSION, PRE-HYPERTENSION
Interventions
valsartan plus hydrochlorothiazide
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years to 75 Years
Enrollment
507 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2004
U.S. locations
1
States / cities
East Hanover, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 17, 2016 · Synced Sep 28, 2026, 4:59 AM EDT
Completed Phase 3 Interventional Results available

Adaptive COVID-19 Treatment Trial 3 (ACTT-3)

NCT04492475
View directory record Official record
Conditions
COVID-19
Interventions
Interferon beta-1a, Placebo, Remdesivir
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years
Enrollment
969 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
55
States / cities
Birmingham, Alabama • Fresno, California • La Jolla, California + 45 more
Source: ClinicalTrials.gov public record
Updated Mar 13, 2022 · Synced Sep 28, 2026, 4:59 AM EDT
Completed Phase 1Phase 2 Interventional Results available

L-Serine Supplementation in Hereditary Sensory Neuropathy Type 1

NCT01733407
View directory record Official record
Conditions
Hereditary Sensory and Autonomic Neuropathy Type I
Interventions
L-serine, placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
2
States / cities
Boston, Massachusetts • Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 11, 2018 · Synced Sep 28, 2026, 4:59 AM EDT
Completed Phase 1 Interventional Results available

Fluciclovine and PSMA PET/CT for the Classification and Improved Staging of Invasive Lobular Breast Cancer

NCT04750473
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Invasive Breast Lobular Carcinoma, Metastatic Breast Lobular Carcinoma, Prognostic Stage IV Breast Cancer AJCC v8
Interventions
Computed Tomography, Fluciclovine F18, Gallium Ga 68 Gozetotide, Positron Emission Tomography
Procedure · Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 16, 2025 · Synced Sep 28, 2026, 4:59 AM EDT
Completed Phase 2 Interventional Results available

FACBC Prostate Therapy Response

NCT02830880
View directory record Official record
Conditions
Prostate Cancer
Interventions
FACBC PET-CT, MRI, CT, or Bone Scan
Drug · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older · Male only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 6, 2020 · Synced Sep 28, 2026, 4:59 AM EDT
Recruiting Not applicable Interventional

Nutritional Supplementation in Geriatric Hip Fractures

NCT06773000
View directory record Official record
Conditions
Geriatric Hip Fracture
Interventions
XR™ Recovery Supplement, XR Carbohydrate Loading Supplement
Dietary Supplement
Lead sponsor
NYU Langone Health
Other
Eligibility
65 Years and older
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 2, 2026 · Synced Sep 28, 2026, 4:59 AM EDT
Completed Phase 3 Interventional

Efficacy and Safety of Valsartan and the Combination of Valsartan and Simvastatin

NCT00385931
View directory record Official record
Conditions
Hypertension, Hypercholesterolemia, Dyslipidemia
Interventions
Valsartan and simvastatin
Drug
Lead sponsor
Novartis
Industry
Eligibility
50 Years and older
Enrollment
412 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
1
States / cities
East Hanover, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 8, 2023 · Synced Sep 28, 2026, 4:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acute Amino Acid Response of Proprietary Beverages

NCT07534020
View directory record Official record
Conditions
Healthy
Interventions
Test carbonated protein beverage, Test protein beverage, Control protein beverage., Control non-carbonated beverage
Other
Lead sponsor
Shaklee Corporation
Industry
Eligibility
20 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Sep 28, 2026, 4:59 AM EDT
Withdrawn Phase 1Phase 2 Interventional

Evaluation of Superiority of Valsartan+Celecoxib+Metformin Over Metformin Alone in Type 2 Diabetes Patients

NCT03686657
View directory record Official record
Conditions
Type 2 Diabetes, High Blood Pressure, Arthritis, Obesity
Interventions
Metformin, Val, Cel and Met XR Low, Val, Cel and Met XR High
Drug
Lead sponsor
ARKAY Therapeutics
Industry
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Albany, New York
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 28, 2026, 4:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Protein Quality on Post-exercise Skeletal Muscle and Whole-body Protein Kinetics During Energy Deficit

NCT04004715
View directory record Official record
Conditions
Whole-body Protein Balance, Muscle Protein Synthesis
Interventions
Essential Amino Acid Enriched Whey Protein, Whey Protein, Military Ration Entree
Dietary Supplement
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 35 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 11, 2020 · Synced Sep 28, 2026, 4:59 AM EDT
Not listed Not applicable Interventional

Evaluation of a Novel Amino Acid Based Moisturizing Cream as Part of the Daily Standard Skincare Regimen Recommended During Radiation Therapy

NCT06016361
View directory record Official record
Conditions
Erythema, Radiation Therapy, Secondary Skin Reactions
Interventions
VS-200Cr, Standard of care
Other
Lead sponsor
Entrinsic Bioscience Inc.
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Fort Myers, Florida
Source: ClinicalTrials.gov public record
Updated Aug 28, 2023 · Synced Sep 28, 2026, 4:59 AM EDT
Completed Phase 2 Interventional Results available

BCAA Supplementation for Concussion

NCT01860404
View directory record Official record
Conditions
Brain Concussion
Interventions
Branched Chain Amino Acids, Placebo solution
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
11 Years to 34 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 13, 2024 · Synced Sep 28, 2026, 4:59 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Assessment of Dietary Protein Needs of Older Women

NCT01193946
View directory record Official record
Conditions
Protein-energy; Imbalance
Interventions
dietary control
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
80 Years and older · Female only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 16, 2013 · Synced Sep 28, 2026, 4:59 AM 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 28, 2026, 4:59 AM EDT
Completed Phase 1 Interventional

Evaluating Renal Masses Using Ultrasound Intravenous Microbubble Contrast

NCT00671411
View directory record Official record
Conditions
Renal Cancer, Kidney Cancer
Interventions
Ultrasound with intravenous microbubble contrast injection
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
21 Years to 99 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 27, 2015 · Synced Sep 28, 2026, 4:59 AM EDT
Recruiting Phase 1 Interventional

Pilot Study for Detection of PSMA-Low CRPC-NE Tumors With Fluciclovine PET/CT

NCT06062745
View directory record Official record
Conditions
Advanced Prostate Cancer, Metastatic Prostate Cancer, Metastatic Prostate Neuroendocrine Carcinoma
Interventions
18F-fluciclovine, PET/CT
Drug · Device
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 4, 2025 · Synced Sep 28, 2026, 4:59 AM EDT