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ClinicalTrials.gov public records Last synced Oct 17, 2026, 6:19 AM EDT

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Showing 1–24 of 280 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: L Arginine Clear all
Terminated Phase 1Phase 2 Interventional

Ph 1-2 Study ADI-PEG 20 Plus FOLFOX in Subjects With Advanced GI Malignancies Focusing on Hepatocellular Carcinoma

NCT02102022
View directory record Official record
Conditions
Advanced Gastrointestinal (GI) Malignancies, Hepatocellular Carcinoma, Gastric Cancer, Colorectal Cancer
Interventions
ADI-PEG 20 plus modified FOLFOX6
Drug
Lead sponsor
Polaris Group
Industry
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
10
States / cities
San Francisco, California • Atlanta, Georgia • Chicago, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 25, 2022 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Early Phase 1 Interventional

Oral Supplementation to Enhance Recovery Pilot Study

NCT03204266
View directory record Official record
Conditions
Malignant Neoplasms of Urinary Tract
Interventions
Arginine recovery supplement, Omega-3 Fatty Acids
Drug · Dietary Supplement
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 24, 2022 · Synced Oct 17, 2026, 6:19 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Endothelial Hyperpolarization in Humans

NCT00166166
View directory record Official record
Conditions
Hyperlipidemia
Interventions
Tetraethylammonium (TEA), L-NG-monomethyl Arginine (L-NMMA), Bradykinin, Sodium nitroprusside, Acetylcholine, Saline, Fluconazole
Drug
Lead sponsor
Emory University
Other
Eligibility
21 Years to 65 Years
Enrollment
174 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2013
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 15, 2018 · Synced Oct 17, 2026, 6:19 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Study to Evaluate the Safety and Preliminary Efficacy of 177Lu-OPS201 in NETs

NCT02592707
View directory record Official record
Conditions
Neuroendocrine Tumors
Interventions
Satoreotide tetraxetan, Amino acid solution, Antiemetic
Drug · Other
Lead sponsor
Ipsen
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 19, 2023 · Synced Oct 17, 2026, 6:19 AM EDT
Terminated Not applicable Interventional

Nutraceutical Citrulline in Pregnancy

NCT02772887
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
L-Citrulline, Placebo
Dietary Supplement · Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
14 Years to 40 Years · Female only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 30, 2019 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Phase 1Phase 2 Interventional

Watermelon Supplementation and Arterial Stiffness

NCT01185041
View directory record Official record
Conditions
Hypertension
Interventions
Watermelon Extract
Dietary Supplement
Lead sponsor
Florida State University
Other
Eligibility
45 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Mar 20, 2012 · Synced Oct 17, 2026, 6:19 AM EDT
Recruiting Phase 2 Interventional

Alpelisib/iNOS Inhibitor/Nab-paclitaxel in Patients With HER2 Negative Metaplastic Breast Cancer (MpBC)

NCT05660083
View directory record Official record
Conditions
HER2-negative Breast Cancer, Metastatic Breast Cancer, Metaplastic Breast Carcinoma, TNBC - Triple-Negative Breast Cancer
Interventions
L-NMMA
Drug
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
3
States / cities
Bethesda, Maryland • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Nitric Oxide Production in MELAS Syndrome

NCT01339494
View directory record Official record
Conditions
MELAS Syndrome
Interventions
Arginine and citrulline supplementations
Dietary Supplement
Lead sponsor
Baylor College of Medicine
Other
Eligibility
3 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 5, 2016 · Synced Oct 17, 2026, 6:19 AM EDT
Completed No phase listed Observational

Gyrate Atrophy of the Choroid and Retina

NCT00001166
View directory record Official record
Conditions
Gyrate Atrophy
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
Not listed
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1978 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Phase 1 Interventional

A Study of JNJ-64619178, an Inhibitor of PRMT5 in Participants With Advanced Solid Tumors, NHL, and Lower Risk MDS

NCT03573310
View directory record Official record
Conditions
Neoplasms, Solid Tumor, Adult, Non-Hodgkin Lymphoma, Myelodysplastic Syndromes
Interventions
JNJ-64619178
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years and older
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
4
States / cities
Sarasota, Florida • Boston, Massachusetts • Columbus, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Phase 2 Interventional

Arginine Treatment of Acute Chest Syndrome (Pneumonia) in Sickle Cell Disease Patients

NCT00029731
View directory record Official record
Conditions
Anemia, Sickle Cell, Pneumonia
Interventions
Arginine hydrochloride
Drug
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
5 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Mar 25, 2015 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Phase 1Phase 2 Interventional Results available

L-NMMA Plus Taxane Chemotherapy in Refractory Locally Advanced or Metastatic Triple Negative Breast Cancer Patients

NCT02834403
View directory record Official record
Conditions
Metastatic Triple Negative Breast Cancer
Interventions
L-NMMA, Docetaxel, Amlodipine, Pegfilgrastim, Enteric-coated aspirin
Drug
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 15, 2023 · Synced Oct 17, 2026, 6:19 AM EDT
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 17, 2026, 6:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Safety Evaluation of a Diet and Nutritional Supplementation Program- Purify 2.0

NCT03685552
View directory record Official record
Conditions
Gastrointestinal Symptoms
Interventions
Prog: Purify-2
Other
Lead sponsor
Nature's Sunshine Products, Inc.
Industry
Eligibility
18 Years to 69 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Lehi, Utah
Source: ClinicalTrials.gov public record
Updated Sep 26, 2018 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Not applicable Interventional

Study of Arginine and Nitric Oxide in Patients With Diabetes

NCT03566524
View directory record Official record
Conditions
Ketosis Prone Diabetes
Interventions
Citrulline, Alanine
Dietary Supplement
Lead sponsor
Baylor College of Medicine
Other
Eligibility
20 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 29, 2022 · Synced Oct 17, 2026, 6:19 AM EDT
Withdrawn Phase 2 Interventional

L-arginine Study for Persistent Symptoms of Schizophrenia

NCT04054973
View directory record Official record
Conditions
Schizo Affective Disorder, Schizophrenia
Interventions
L-arginine, Sapropterin Dihydrochloride
Drug
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 20, 2022 · Synced Oct 17, 2026, 6:19 AM EDT
Withdrawn No phase listed Observational

Proline Metabolism in Severely Burned Patients: Effect of Modulated Parenteral Feeding

NCT00216983
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
Timeline
1997 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 13, 2017 · Synced Oct 17, 2026, 6:19 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Assessing the Effects of a Topically Applied Cream to Clitoral Blood Flow

NCT01085981
View directory record Official record
Conditions
Female Sexual Dysfunction
Interventions
arginine 20%, nicotinamide .01%, niacin.1%, in LipodermPG 50%, Topical study cream, GRAS cream
Drug
Lead sponsor
East Suburban Ob Gyn
Other
Eligibility
25 Years to 60 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Monroeville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 12, 2010 · Synced Oct 17, 2026, 6:19 AM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

Role of Nitric Oxide in Cirrhosis: Relationship With Systemic Hemodynamics, Renal Function, Vasoactive Systems and Endotoxemia

NCT00005107
View directory record Official record
Conditions
Cirrhosis, Liver Cirrhosis
Interventions
N-monomethyl-L-arginine
Drug
Lead sponsor
National Center for Research Resources (NCRR)
NIH
Eligibility
18 Years to 70 Years
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 17, 2026, 6:19 AM EDT
Terminated Phase 2 Interventional Results available

DDAVP in the Reduction of Post-operative Ecchymosis in Rhinoplasty

NCT01982760
View directory record Official record
Conditions
Postoperative Ecchymosis
Interventions
DDAVP
Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Lyndhurst, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 16, 2023 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Not applicable Interventional Results available

Study of Dopamine Versus Vasopressin for Treatment of Low Blood Pressure in Low Birth Weight Infants

NCT01318278
View directory record Official record
Conditions
Hypotension
Interventions
Dopamine, Arginine Vasopressin
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
Up to 24 Hours
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 20, 2019 · Synced Oct 17, 2026, 6:19 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Linking Affective Dynamics in Response to Daily Stress to Peripheral Vascular Function in Working Age Adults

NCT06860724
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
NG-nitro-L-arginine methyl ester (L-NAME)
Other
Lead sponsor
University of Delaware
Other
Eligibility
18 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2031
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Arginine Plaque Metabolism Pilot Clinical Study

NCT06954779
View directory record Official record
Conditions
Plaque, Dental
Interventions
Colgate Cavity Protection, TOM's Superior Sensitivity Relief Toothpaste
Drug
Lead sponsor
Colgate Palmolive
Industry
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Piscataway, New Jersey
Source: ClinicalTrials.gov public record
Updated May 2, 2025 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Phase 3 Interventional Results available

Perindopril Amlodipine for the Treatment of Hypertension

NCT01556997
View directory record Official record
Conditions
Essential Hypertension
Interventions
XOMA 985, Amlodipine Besylate, Perindopril Erbumine
Drug
Lead sponsor
Symplmed Pharmaceuticals LLC
Industry
Eligibility
18 Years to 75 Years
Enrollment
837 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
48
States / cities
Huntsville, Alabama • Muscle Shoals, Alabama • Glendale, Arizona + 45 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2015 · Synced Oct 17, 2026, 6:19 AM EDT