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 are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 25, 2026, 3:53 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 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Nitric Oxide Clear all
Completed Phase 2 Interventional Results available

A Phase 2, Pharmacokinetic (PK) Study of 6R-BH4 Alone or 6R-BH4 With Vitamin C in Subjects With Endothelial Dysfunction

NCT00532844
View directory record Official record
Conditions
Endothelial Dysfunction
Interventions
Sapropterin Dihydrochloride, Sapropterin Dihydrochloride and Vitamin C
Drug
Lead sponsor
BioMarin Pharmaceutical
Industry
Eligibility
18 Years to 75 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated May 16, 2021 · Synced Sep 25, 2026, 3:53 PM 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 24, 2015 · Synced Sep 25, 2026, 3:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Dietary Nitric Oxide and Anthocyanins on Anaerobic Exercise Performance

NCT03631394
View directory record Official record
Conditions
Exercise
Interventions
beetroot and anthocyanin, beetroot and placebo
Other
Lead sponsor
Loma Linda University
Other
Eligibility
21 Years to 35 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated May 14, 2019 · Synced Sep 25, 2026, 3:53 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Efficacy of L-NAME and Midodrine to Increase MAP

NCT00835224
View directory record Official record
Conditions
Orthostatic Hypotension, Spinal Cord Injury
Interventions
L-NAME, Midodrine, Placebo
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 65 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Apr 22, 2014 · Synced Sep 25, 2026, 3:53 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Effects of Neo40(TM) With Caffeine on Cycling Time Trial Performance

NCT01710761
View directory record Official record
Conditions
Healthy
Interventions
Placebo, Nitrate supplement with caffeine
Dietary Supplement
Lead sponsor
University of Texas at Austin
Other
Eligibility
21 Years to 49 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jan 22, 2013 · Synced Sep 25, 2026, 3:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Role of Skeletal Muscle Nitric Oxide Production in Age-related Fatigue and Fatigability

NCT01059994
View directory record Official record
Conditions
Fatigue, Aging
Interventions
Placebo sildenafil, Sildenafil
Drug
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
20 Years to 80 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 10, 2019 · Synced Sep 25, 2026, 3:53 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Biochemical and Physiological Changes Associated With Differing Durations of Relaxation Response Training

NCT00636129
View directory record Official record
Conditions
Stress
Interventions
Relaxation Response + Stress Management Curriculum
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 49 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 18, 2011 · Synced Sep 25, 2026, 3:53 PM EDT
Completed Phase 4 Interventional Results available

Inhaled Nitric Oxide and Inhaled Prostacyclin After Cardiac Surgery for Heart Transplant or LVAD Placement

NCT01717209
View directory record Official record
Conditions
Heart Failure
Interventions
Nitric Oxide, Prostacyclin
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 8, 2017 · Synced Sep 25, 2026, 3:53 PM EDT
Completed Phase 4 Interventional

Non-invasive Ways to Evaluate Lung Disease After Treatment With Xolair

NCT00139152
View directory record Official record
Conditions
Lung Disease
Interventions
Placebo, Xolair
Drug
Lead sponsor
Creighton University
Other
Eligibility
12 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
2
States / cities
Omaha, Nebraska • Albany, New York
Source: ClinicalTrials.gov public record
Updated Jan 6, 2014 · Synced Sep 25, 2026, 3:53 PM EDT
Completed Phase 2 Interventional

Nitric Oxide Inhalation Therapy to Relieve Chest Pain in Patients With Coronary Artery Disease

NCT00014040
View directory record Official record
Conditions
Coronary Disease, Myocardial Ischemia
Interventions
Nitric Oxide and INOpulse Delivery System
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 25, 2026, 3:53 PM EDT
Not listed Phase 1Phase 2 Interventional Accepts healthy volunteers

Study of the Effects of an Oral Nitric Oxide Supplement on Blood Pressure in Prehypertensive Adults

NCT01937754
View directory record Official record
Conditions
Prehypertension
Interventions
Nitric Oxide supplement, Placebo
Dietary Supplement
Lead sponsor
Neogenis Laboratories
Other
Eligibility
18 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2013
U.S. locations
1
States / cities
Beverly Hills, California
Source: ClinicalTrials.gov public record
Updated Sep 9, 2013 · Synced Sep 25, 2026, 3:53 PM EDT
Completed Phase 2 Interventional

A Dose Escalation Study to Assess the Safety and Efficacy of Pulsed Inhaled Nitric Oxide in Subjects With Pulmonary Fibrosis or Sarcoidosis

NCT03727451
View directory record Official record
Conditions
Pulmonary Hypertension, Pulmonary Fibrosis, Sarcoidosis, Pulmonary
Interventions
iNO
Combination Product
Lead sponsor
Bellerophon
Industry
Eligibility
18 Years to 85 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
6
States / cities
Miami, Florida • Cincinnati, Ohio • Philadelphia, Pennsylvania + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2022 · Synced Sep 25, 2026, 3:53 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Prevention of Low Blood Pressure in Persons With Tetraplegia

NCT00237770
View directory record Official record
Conditions
Hypotension, Spinal Cord Injury
Interventions
N-Nitro L-arginine-methylester (L-NAME), Head-up Tilt maneuver
Drug · Procedure
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2010
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 18, 2014 · Synced Sep 25, 2026, 3:53 PM EDT
Enrolling by invitation Phase 2Phase 3 Interventional

Nitric Oxide Effect on Brain and Kidney in Pediatric Patients Undergoing Cardiopulmonary Bypass

NCT05101746
View directory record Official record
Conditions
Congenital Heart Disease, Congenital Heart Defect, Congenital Heart Malformations
Interventions
Nitric Oxide (NO) 20 part per million (ppm), Standard of care cardiopulmonary bypass
Drug · Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
0 Years to 1 Year
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Sep 25, 2026, 3:53 PM EDT
Completed Not applicable Interventional

Evaluation of Hemodynamic Parameters Following Transjugular Intrahepatic Portosystemic Shunt (TIPS)

NCT04050683
View directory record Official record
Conditions
Refractory Ascites
Interventions
Study - Transjugular Intrahepatic Portosystemic Shunt (TIPS), Control - Transjugular Intrahepatic Portosystemic Shunt (TIPS)
Procedure
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 12, 2024 · Synced Sep 25, 2026, 3:53 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Exhaled Nitric Oxide Levels in Infants and Young Children Infected With RSV or Other Viral Infections

NCT01098227
View directory record Official record
Conditions
Bronchiolitis, Infection, Nitric Oxide
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
Up to 4 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Mineola, New York
Source: ClinicalTrials.gov public record
Updated Mar 15, 2020 · Synced Sep 25, 2026, 3:53 PM EDT
Completed Phase 4 Interventional

Zileuton and Exhaled Nitric Oxide in Asthmatics

NCT00575861
View directory record Official record
Conditions
Asthma
Interventions
zileuton
Drug
Lead sponsor
Gelb, Arthur F., M.D.
Individual
Eligibility
21 Years to 80 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Lakewood, California
Source: ClinicalTrials.gov public record
Updated Dec 19, 2007 · Synced Sep 25, 2026, 3:53 PM EDT
Completed Not applicable Interventional Results available

Vivatmo Pro™ for Fractional Exhaled Nitric Oxide (FeNO) Monitoring in U.S. Asthmatic Patients

NCT04450108
View directory record Official record
Conditions
Asthma, Asthma in Children
Interventions
Vivatmo pro FeNO Test
Diagnostic Test
Lead sponsor
Bosch Healthcare Solutions GmbH
Industry
Eligibility
7 Years to 80 Years
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
6
States / cities
Birmingham, Alabama • Bakersfield, California • White Marsh, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 5, 2022 · Synced Sep 25, 2026, 3:53 PM EDT
Recruiting Phase 1Phase 2 Interventional

Phase 1 Trial of Arginine Hydrochloride for the Management of Diabetic Ketoacidosis in Type 2 Diabetes

NCT07167693
View directory record Official record
Conditions
Diabetes (DM), Diabetic Ketoacidosis, Ketosis Prone Diabetes, Hyperglycaemia (Diabetic)
Interventions
Arginine hydrochloride, Sodium Chloride 0.9%
Drug
Lead sponsor
David K Carroll
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Sep 25, 2026, 3:53 PM EDT
Completed Phase 3 Interventional Results available

Randomized Trial of Inhaled Nitric Oxide to Augment Tissue Perfusion in Sepsis

NCT00608322
View directory record Official record
Conditions
Sepsis
Interventions
Inhaled nitric oxide, Sham inhaled nitric oxide
Drug · Other
Lead sponsor
National Institute of General Medical Sciences (NIGMS)
NIH
Eligibility
14 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Camden, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 10, 2013 · Synced Sep 25, 2026, 3:53 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Nitric Oxide Consumption as a Predictor of Vasospasm in Subarachnoid Hemorrhage

NCT07614906
View directory record Official record
Conditions
Aneurysmal Subarachnoid Hemorrhage, Cerebral Vasospasm
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Sep 25, 2026, 3:53 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Biomarkers for Cardiovascular Disease

NCT00109018
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
21 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 25, 2026, 3:53 PM EDT
Completed No phase listed Observational

Exhaled Nitric Oxide and Airway Caliber in Children With Asthma

NCT01645397
View directory record Official record
Conditions
Asthma in Children
Interventions
Not listed
Lead sponsor
Atlantic Health System
Other
Eligibility
6 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Morristown, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 15, 2014 · Synced Sep 25, 2026, 3:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of a Nitric Oxide Supplementation Product on Endothelial Dysfunction and Prehypertensive Adults

NCT03895749
View directory record Official record
Conditions
Hypertension
Interventions
NEO40 Daily
Dietary Supplement
Lead sponsor
Hypertension Institute, Nashville
Other
Eligibility
18 Years to 75 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 29, 2019 · Synced Sep 25, 2026, 3:53 PM EDT