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ClinicalTrials.gov public records Last synced Oct 1, 2026, 10:59 AM EDT

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Showing 25–48 of 58 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Oral L-Arginine Clear all
Completed Phase 2 Interventional Results available

A Trial to Investigate Efficacy, Safety and Tolerability of FE 201836 for Nocturia Due to Nocturnal Polyuria in Adults

NCT03201419
View directory record Official record
Conditions
Nocturia
Interventions
FE 201836, Desmopressin, Placebo oral solution, Placebo ODT
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
43
States / cities
Birmingham, Alabama • Mobile, Alabama • Lincoln, California + 35 more
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Oct 1, 2026, 10:59 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Estrogen and Microvascular Function

NCT06043310
View directory record Official record
Conditions
Estrogen, Cardiovascular Diseases, Microvasculature, Oral Contraceptive Use
Interventions
Nω-nitro-L-arginine methyl ester (L-NAME), Acetylcholine, Sodium Nitroprusside
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2031
U.S. locations
1
States / cities
Wauwatosa, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Oct 1, 2026, 10:59 AM EDT
Active, not recruiting Phase 3 Interventional Results available

Efficacy and Safety of 177Lu-edotreotide PRRT in GEP-NET Patients

NCT03049189
View directory record Official record
Conditions
Neuroendocrine Tumors
Interventions
177Lu-edotreotide PRRT, Everolimus, Amino-Acid Solution
Drug · Other
Lead sponsor
ITM Solucin GmbH
Industry
Eligibility
18 Years and older
Enrollment
324 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2029
U.S. locations
6
States / cities
Gilbert, Arizona • Stanford, California • Tampa, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2026 · Synced Oct 1, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Study to Assess the Gingivitis and Plaque Effects of Various Dentifrices

NCT06140784
View directory record Official record
Conditions
Gingivitis
Interventions
0.76% Sodium Monofluorophosphate Dentifrice, 0.454% Stannous Fluoride Dentifrice
Drug
Lead sponsor
Procter and Gamble
Industry
Eligibility
18 Years and older
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Whittier, California
Source: ClinicalTrials.gov public record
Updated Mar 1, 2024 · Synced Oct 1, 2026, 10:59 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 1, 2026, 10:59 AM EDT
Terminated Phase 1 Interventional

Effect of an Oral Supplement Enriched in Amino Acids and the Leucine Metabolite B-hydroxy B-methylbutyrate (HMB)

NCT00502372
View directory record Official record
Conditions
Pressure Ulcers
Interventions
Nutritional Supplement/Amino acids and HMB, Juven
Dietary Supplement
Lead sponsor
Central Arkansas Veterans Healthcare System
Federal
Eligibility
21 Years to 90 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Dec 15, 2015 · Synced Oct 1, 2026, 10:59 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Live Attenuated ETEC Vaccine ACE527 With and Without dmLT Adjuvant in Adults

NCT01739231
View directory record Official record
Conditions
Diarrhea
Interventions
ACE527, dmLT, CeraVacx placebo, H10407 challenge strain
Biological
Lead sponsor
PATH
Other
Eligibility
18 Years to 50 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 12, 2019 · Synced Oct 1, 2026, 10:59 AM EDT
Recruiting Early Phase 1 Interventional

Arginine and Whole Brain Radiation Therapy for the Treatment of Patients With Brain Metastases

NCT06328686
View directory record Official record
Conditions
Metastatic Malignant Neoplasm in the Brain, Metastatic Malignant Solid Neoplasm
Interventions
Arginine, Biospecimen Collection, Computed Tomography, Magnetic Resonance Imaging, Spectroscopy, Whole-Brain Radiotherapy
Dietary Supplement · Procedure · Radiation
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Oct 1, 2026, 10:59 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Identifying Oxytocin Deficiency in Adults With Pituitary Disease

NCT06460948
View directory record Official record
Conditions
Arginine Vasopressin Deficiency, Oxytocin Deficiency
Interventions
Norethindrone Acetate-Ethinyl Estradiol
Drug
Lead sponsor
Elizabeth Austen Lawson
Other
Eligibility
18 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Oct 1, 2026, 10:59 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

DPP4 Inhibition & Beta Cell Function

NCT02683187
View directory record Official record
Conditions
Healthy
Interventions
Active Comparator: Sitagliptin, Placebo Comparator - No Sitagliptin
Drug
Lead sponsor
David D'Alessio, M.D.
Other
Eligibility
35 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 3, 2021 · Synced Oct 1, 2026, 10:59 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 1, 2026, 10:59 AM EDT
Completed Phase 3 Interventional Results available

Investigation of the Superiority Effect of Orally Disintegrating Desmopressin Tablets to Placebo in Terms of Night Voids Reduction in Nocturia Adult Male Patients

NCT01262456
View directory record Official record
Conditions
Nocturia
Interventions
Desmopressin, Placebo
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
18 Years and older · Male only
Enrollment
395 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
51
States / cities
Anniston, Alabama • Huntsville, Alabama • Scottsdale, Arizona + 45 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2015 · Synced Oct 1, 2026, 10:59 AM EDT
Recruiting Phase 1 Interventional

A Study of IDE892 as Monotherapy and Combination in MTAP-deleted Advanced Solid Tumors

NCT07277413
View directory record Official record
Conditions
NSCLC Adenocarcinoma, Gastroesophageal Cancer (GC), Gastric Adenocarcinoma, Adenocarcinoma of Esophagus, Squamous Cell Car. - Esophagus, Urothelial Carcinoma (UC), Bladder Cancer, Mesothelioma, Pleural Mesothelioma, Peritoneal Mesothelioma, Non-Small Cell Lung Cancer NSCLC, Pancreatic Cancer, Biliary Tract Carcinoma
Interventions
IDE892, IDE397
Drug
Lead sponsor
IDEAYA Biosciences
Industry
Eligibility
18 Years and older
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
23
States / cities
Goodyear, Arizona • Phoenix, Arizona • Duarte, California + 19 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 1, 2026, 10:59 AM EDT
Suspended Phase 1Phase 2 Interventional

Dose Escalation/ Expansion Study of CA-4948 as Monotherapy in Patients With Acute Myelogenous Leukemia (AML) or Myelodysplastic Syndrome (MDS)

NCT04278768
View directory record Official record
Conditions
Acute Myelogenous Leukemia, Myelodysplastic Syndrome
Interventions
Emavusertib, Venetoclax
Drug
Lead sponsor
Curis, Inc.
Industry
Eligibility
18 Years and older
Enrollment
366 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
12
States / cities
Tampa, Florida • Atlanta, Georgia • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Oct 1, 2026, 10:59 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 1, 2026, 10:59 AM EDT
Terminated Phase 1 Interventional

Prospective L-arginine Study

NCT01485757
View directory record Official record
Conditions
Heart Transplant
Interventions
L-arginine
Drug
Lead sponsor
University of Michigan
Other
Eligibility
8 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Oct 1, 2026, 10:59 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

: Vascular Function in Health and Disease

NCT02966665
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Pulmonary Artery Hypertension, Heart Failure, Hypertension
Interventions
Maximum Exercise Tests, BH4, L-NMMA, Vitamin C, Vitamin E, α-Lipoic Acid and L-Ascorbate, BQ-123, Fexofenadine, Ranitidine, Angiotensin-II, Valsartan, Acetylcholine, Sodium Nitroprusside, Angiotensin-II, Norepinephrine, Phentolamine, BQ-123, MitoQ, BH4
Other · Drug
Lead sponsor
D. Walter Wray
Other
Eligibility
18 Years and older
Enrollment
420 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2030
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 1, 2026, 10:59 AM EDT
Completed Phase 2 Interventional Results available

Effects of L-arginine Supplementation in Adults With Moderate to Severe Asthma

NCT00280683
View directory record Official record
Conditions
Asthma
Interventions
L-arginine, Placebo
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 90 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Oct 1, 2026, 10:59 AM 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 19, 2026 · Synced Oct 1, 2026, 10:59 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

A Double-Blind Placebo-Control Dose Escalating Study to Evaluate the Safety and Immunogenicity of dmLT by Oral, Sublingual and Intradermal Vaccination in Adults Residing in an Endemic Area

NCT03548064
View directory record Official record
Conditions
Gastroenteritis Escherichia Coli, Immunisation
Interventions
Placebo, Recombinant Double Mutant Heat-Labile Toxin LT(R192G/L211A) (dmLT) Oral enterotoxigenic Escherichia coli (ETEC) Vaccine
Other · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 21, 2025 · Synced Oct 1, 2026, 10:59 AM EDT
Terminated Phase 1 Interventional

Ficlatuzumab, Cisplatin and IMRT in Locally Advanced Head and Neck Squamous Cell Carcinoma

NCT02277184
View directory record Official record
Conditions
Carcinoma, Squamous Cell of Head and Neck
Interventions
Ficlatuzumab, Cisplatin, Intensity Modulated Radiotherapy (IMRT)
Drug · Radiation
Lead sponsor
Julie E. Bauman, MD, MPH
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
3
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 13, 2017 · Synced Oct 1, 2026, 10:59 AM 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 3, 2012 · Synced Oct 1, 2026, 10:59 AM EDT
Not listed Phase 2 Interventional

Safety, Tolerability, and Efficacy of AXA1125 in NASH With Fibrosis

NCT04880187
View directory record Official record
Conditions
Non Alcoholic Steatohepatitis (NASH)
Interventions
AXA1125, Placebo
Drug
Lead sponsor
Axcella Health, Inc
Industry
Eligibility
18 Years and older
Enrollment
273 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
57
States / cities
Cullman, Alabama • Tucson, Arizona • Canoga Park, California + 45 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2022 · Synced Oct 1, 2026, 10:59 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Supplementing L-citrulline to Overweight Late Asthma oNset Phenotypes

NCT03885245
View directory record Official record
Conditions
Asthma, Obesity
Interventions
L-ctirulline, Matching Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 10, 2025 · Synced Oct 1, 2026, 10:59 AM EDT