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 23, 2026, 5:42 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 No phase listed Observational

Racial Differences in Control of Blood Vessel Tone and Blood Flow

NCT00001747
View directory record Official record
Conditions
Atherosclerosis, Healthy, Hypertension
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 23, 2026, 5:42 PM EDT
Recruiting Phase 1 Interventional

Novel Approaches for Improving Vascular Function in Veterans With HFpEF

NCT06312748
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction, Inflammation
Interventions
L-Citrulline, Placebo for L-Citrulline, BH4, Placebo for BH4, Atorvastatin, Placebo for Atorvastatin
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Sep 23, 2026, 5:42 PM EDT
Terminated Phase 2 Interventional

Hospital-Based Program for Treatment of Severe Cardiopulmonary Disease With Inhaled Nitric Oxide

NCT00041574
View directory record Official record
Conditions
Pulmonary Hypertension, Lung Disease, Sickle Cell Disease, Cardiac Transplant, Lung Transplant
Interventions
Inhaled Nitric Oxide
Drug
Lead sponsor
Mallinckrodt
Industry
Eligibility
5 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
3
States / cities
Denver, Colorado • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 8, 2016 · Synced Sep 23, 2026, 5:42 PM EDT
Completed Early Phase 1 Interventional Results available

Treatment of HFpEF With Nitrate Supplement

NCT03289481
View directory record Official record
Conditions
Heart Failure With Normal Ejection Fraction
Interventions
Active lozenge, Placebo
Dietary Supplement · Drug
Lead sponsor
MaineHealth
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Rockport, Maine
Source: ClinicalTrials.gov public record
Updated Oct 5, 2021 · Synced Sep 23, 2026, 5:42 PM EDT
Withdrawn Phase 1 Interventional

Nitric Oxide During CPB to Reduce AKI in Neonates

NCT03946462
View directory record Official record
Conditions
Congenital Heart Disease, Acute Kidney Injury
Interventions
NO gas delivered during cardiac surgery, placebo gas delivered during cardiac surgery
Drug · Other
Lead sponsor
Fabio Savorgnan
Other
Eligibility
Up to 30 Days
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 30, 2021 · Synced Sep 23, 2026, 5:42 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Safety and Efficacy of Sodium Nitrite in Sickle Cell Disease

NCT01033227
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
sodium nitrite injection, usp
Drug
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
8 Years to 23 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 16, 2017 · Synced Sep 23, 2026, 5:42 PM EDT
Completed Phase 1 Interventional

Effects of Endotoxin in Normal Human Volunteers

NCT00001303
View directory record Official record
Conditions
Healthy, Lung Disease, Sepsis, Septic Shock
Interventions
Reference Endotoxin, Inhaled Nitric Oxide
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 45 Years
Enrollment
198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1992 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 4, 2018 · Synced Sep 23, 2026, 5:42 PM EDT
Completed Early Phase 1 Interventional

Exercise and NO in HFrEF

NCT03136029
View directory record Official record
Conditions
Heart Failure With Reduced Ejection Fraction
Interventions
Antioxidant, Tetrahydrobiopterin (BH4), Exercise training
Dietary Supplement · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 5, 2025 · Synced Sep 23, 2026, 5:42 PM EDT
Not listed Not applicable Interventional

Study of Arginine Metabolism and Nitric Oxide Formation in Relation to Glutamine Supply in Severely Burned Patients

NCT00216970
View directory record Official record
Conditions
Burns
Interventions
Alteration in nutritional support
Dietary Supplement
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 12, 2009 · Synced Sep 23, 2026, 5:42 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 23, 2026, 5:42 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Aqueous Humor Dynamics of NCX 470 Ophthalmic Solution

NCT05938699
View directory record Official record
Conditions
Open Angle Glaucoma
Interventions
NCX 470, Placebo
Drug
Lead sponsor
Nicox Ophthalmics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 7, 2025 · Synced Sep 23, 2026, 5:42 PM EDT
Completed Phase 2 Interventional Results available

A Proof of Concept Study of Inhaled Nitric Oxide for Adults With Pulmonary Non-Tuberculous Mycobacterial Infection

NCT03748992
View directory record Official record
Conditions
Nontuberculous Mycobacterium Infection
Interventions
gNO
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
2
States / cities
Portland, Oregon • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated May 17, 2021 · Synced Sep 23, 2026, 5:42 PM EDT
Completed Early Phase 1 Interventional

Dynamic Assessment of Right Ventricular Function With Inhaled Nitric Oxide During Cardiac MRI

NCT02220023
View directory record Official record
Conditions
Pulmonary Vascular Disorder
Interventions
INOmax Inhalation
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 12, 2017 · Synced Sep 23, 2026, 5:42 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Studies on Aldosterone and Vascular Function

NCT00700479
View directory record Official record
Conditions
Inflammation
Interventions
aldosterone, low or high sodium diet, placebo
Drug · Dietary Supplement
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 17, 2008 · Synced Sep 23, 2026, 5:42 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Exhaled Nitric Oxide in Respiratory Syncytial Virus (RSV) Bronchiolitis: a Pilot Study

NCT01090557
View directory record Official record
Conditions
RSV Infection, Bronchiolitis
Interventions
Collection of exhaled breath
Other
Lead sponsor
Winthrop University Hospital
Other
Eligibility
1 Day to 4 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Mineola, New York
Source: ClinicalTrials.gov public record
Updated Mar 21, 2010 · Synced Sep 23, 2026, 5:42 PM EDT
Recruiting Phase 2 Interventional

Response to Exercise and Nitric Oxide in PAD

NCT06657976
View directory record Official record
Conditions
Peripheral Artery Disease, Exercise, Intermittent Claudication, Nitric Oxide
Interventions
Supervised Treadmill Exercise, Attention Control, Nitrate-Rich Beetroot Juice + supervised exercise therapy, Placebo + supervised exercise therapy
Behavioral · Combination Product
Lead sponsor
Northwestern University
Other
Eligibility
50 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 26, 2026 · Synced Sep 23, 2026, 5:42 PM EDT
Terminated Phase 2 Interventional Results available

Inhaled Prostaglandin E1 (IPGE1) for Hypoxemic Respiratory Failure (NHRF)

NCT01467076
View directory record Official record
Conditions
Prematurity, Respiratory Insufficiency, Pulmonary Hypertension, Respiratory Distress Syndrome, Newborn
Interventions
Aerosolized Normal Saline, Inhaled PGE1
Drug
Lead sponsor
NICHD Neonatal Research Network
Network
Eligibility
Up to 7 Days
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
11
States / cities
Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 8 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2019 · Synced Sep 23, 2026, 5:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Proof of Concept Study of Electrical Discharge Produced Nitric Oxide for Inhalation

NCT02305550
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
electrical pulsed plasma discharge synthesis of nitric oxide
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 60 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 9, 2017 · Synced Sep 23, 2026, 5:42 PM EDT
Completed No phase listed Observational

Exhaled Nitric Oxide as a Biomarker of Disease Activity in Eosinophilic Esophagitis

NCT01170234
View directory record Official record
Conditions
Eosinophilic Esophagitis
Interventions
NIOX MINO® Airway Inflammation Monitor
Device
Lead sponsor
Tufts Medical Center
Other
Eligibility
7 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 15, 2019 · Synced Sep 23, 2026, 5:42 PM EDT
Terminated Not applicable Interventional

Inhaled NO for the Treatment of COVID-19 Caused by SARS-CoV-2 (US Trial)

NCT04397692
View directory record Official record
Conditions
Corona Virus Infection, COVID-19, SARS-CoV 2, Nitric Oxide, Respiratory Disease, Pneumonia, Viral, Inhaled Nitric Oxide
Interventions
Nitric Oxide delivered via LungFit™ system
Device
Lead sponsor
Beyond Air Inc.
Industry
Eligibility
22 Years to 65 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Dec 15, 2022 · Synced Sep 23, 2026, 5:42 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Inhaled Nitric Oxide for Pulmonary Hypertension and Bronchopulmonary Dysplasia

NCT03576885
View directory record Official record
Conditions
Pulmonary Hypertension, Bronchopulmonary Dysplasia
Interventions
inhaled nitric oxide, Placebo
Drug
Lead sponsor
AdventHealth
Other
Eligibility
23 Weeks to 29 Weeks
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Jan 14, 2025 · Synced Sep 23, 2026, 5:42 PM EDT
Active, not recruiting Phase 1 Interventional

NOX1416 in Treatment of Chronic Non-Healing Diabetic Foot Ulcers

NCT06402565
View directory record Official record
Conditions
Diabetic Foot Ulcer
Interventions
NOX1416 and SOC, SOC (Standard of care)
Drug · Procedure
Lead sponsor
NOxy Health Products, LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
13
States / cities
Phoenix, Arizona • Tucson, Arizona • Coral Gables, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Sep 23, 2026, 5:42 PM EDT
Terminated Phase 3 Interventional

A Study to Assess Pulsed Inhaled Nitric Oxide in Subjects With Pulmonary Fibrosis at Risk for Pulmonary Hypertension

NCT03267108
View directory record Official record
Conditions
Pulmonary Fibrosis, Pulmonary Hypertension
Interventions
INOpulse®, Placebo, Open Label Extension
Combination Product
Lead sponsor
Bellerophon Pulse Technologies
Industry
Eligibility
18 Years to 80 Years
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
61
States / cities
Birmingham, Alabama • Phoenix, Arizona • Fresno, California + 49 more
Source: ClinicalTrials.gov public record
Updated Jul 26, 2023 · Synced Sep 23, 2026, 5:42 PM EDT
Not listed Phase 1 Interventional

Effects of Anticholinergic or Long-Acting Beta 2 Agonist on FeNO and Pulmonary Function in SCI

NCT01355991
View directory record Official record
Conditions
Spinal Cord Injury
Interventions
Tiotropium, Salmeterol
Drug
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
2
States / cities
West Orange, New Jersey • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Oct 22, 2015 · Synced Sep 23, 2026, 5:42 PM EDT