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, 4:14 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–44 of 20 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: sodium nitrite Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Dose-Finding, Safety, Pharmacodynamic Effect Study of Sodium Nitrite Inhalation Solution in Normal, Healthy Volunteers

NCT00814645
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Sodium Nitrite Inhalation Solution, Placebo and AIR001 Inhalation Solution (Expansion arm)
Drug
Lead sponsor
Aires Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 16, 2012 · Synced Sep 25, 2026, 4:14 AM EDT
Completed Phase 2 Interventional Results available

Inhaled Sodium Nitrite on Heart Failure With Preserved Ejection Fraction

NCT02262078
View directory record Official record
Conditions
Heart Failure
Interventions
Sodium Nitrite Inhalation Solution, Placebo
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 28, 2017 · Synced Sep 25, 2026, 4:14 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Effects of Nitrite on Blood Vessel Dilation in Normal Volunteers

NCT00048477
View directory record Official record
Conditions
Nitric Oxide, Endothelium-Derived Relaxing Factor, Healthy
Interventions
L-NMMA and Sodium Nitrite
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 25, 2026, 4:14 AM EDT
Terminated Phase 2 Interventional

Long-term Study of AIR001 in Subjects With WHO Group 1 Pulmonary Arterial Hypertension Who Completed AIR001-CS05

NCT01725269
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
AIR001
Drug
Lead sponsor
Aires Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
17
States / cities
La Jolla, California • Torrance, California • Aurora, Colorado + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2014 · Synced Sep 25, 2026, 4:14 AM EDT
Completed Phase 2 Interventional Results available

Oral Nitrite in Adults With Metabolic Syndrome and Hypertension

NCT01681810
View directory record Official record
Conditions
Metabolic Syndrome, Hypertension
Interventions
14Nitrogen Sodium Nitrite
Drug
Lead sponsor
Gladwin, Mark, MD
Individual
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 15, 2019 · Synced Sep 25, 2026, 4:14 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety, Tolerability, and PK Parameters of Sodium Nitrite Inhalation Solution in Healthy Subjects

NCT01409122
View directory record Official record
Conditions
Pulmonary Hypertension, Pulmonary Arterial Hypertension
Interventions
15 mg sodium nitrite inhalation solution, 90 mg sodium nitrite inhalation solution, 45 mg sodium nitrite inhalation solution, 120 mg sodium nitrite inhalation solution, 25% MTD sodium nitrite inhalation solution
Drug
Lead sponsor
Aires Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 56 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 8, 2012 · Synced Sep 25, 2026, 4:14 AM EDT
Completed Phase 2 Interventional Results available

Safety and Pharmacokinetic Evaluation of Nitrite for Prevention of Cerebral Vasospasm

NCT00873015
View directory record Official record
Conditions
Subarachnoid Hemorrhage
Interventions
Sodium nitrite, Saline
Drug
Lead sponsor
Hope Pharmaceuticals
Industry
Eligibility
18 Years to 80 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 20, 2020 · Synced Sep 25, 2026, 4:14 AM EDT
Completed Phase 1 Interventional

Nitrite Infusion in Healthy Volunteers

NCT00103025
View directory record Official record
Conditions
Healthy
Interventions
Sodium Nitrite, Sodium Nitrite Injection
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
21 Years to 60 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 25, 2026, 4:14 AM EDT
Terminated Phase 1 Interventional

Effect of Nitrite on Exercise Physiology and Metabolism

NCT00105222
View directory record Official record
Conditions
Healthy, Healthy Volunteer, HV
Interventions
Sodium Nitrite
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
21 Years to 45 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 4, 2018 · Synced Sep 25, 2026, 4:14 AM EDT
Withdrawn Phase 2 Interventional

Treatment of Lung Injury From COVID-19 Infection With Intravenous Sodium Nitrite

NCT04401527
View directory record Official record
Conditions
COVID-19, Acute Respiratory Distress Syndrome, Acute Respiratory Failure
Interventions
Sodium Nitrite, Normal Saline
Drug
Lead sponsor
Hope Pharmaceuticals
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
2
States / cities
Tampa, Florida • Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Sep 15, 2020 · Synced Sep 25, 2026, 4:14 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Inhaled Sodium Nitrite as an Antimicrobial for Cystic Fibrosis

NCT02694393
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
sodium nitrite
Drug
Lead sponsor
Schmidhofer, Mark, MD
Individual
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 23, 2024 · Synced Sep 25, 2026, 4:14 AM EDT
Completed Phase 1 Interventional

Therapeutic Application of Intravascular Nitrite for Sickle Cell Disease

NCT00095472
View directory record Official record
Conditions
Sickle Cell Anemia
Interventions
L-NMMA, Sodium Nitrite
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 4, 2019 · Synced Sep 25, 2026, 4:14 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Role of Nitrite in Preconditioning Mediated Tolerance to Ischemic Stress

NCT00250185
View directory record Official record
Conditions
Ischemic Stress, Transient Non-Lethal Ischemia
Interventions
Sodium Nitrate, Acetylcholine
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 45 Years
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 25, 2026, 4:14 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Clinical Trial of Sodium Nitrite for Out of Hospital Cardiac Arrest

NCT03452917
View directory record Official record
Conditions
Out-Of-Hospital Cardiac Arrest
Interventions
Placebo, sodium nitrite 45 mg, sodium nitrite 60 mg
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
1,502 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 23, 2023 · Synced Sep 25, 2026, 4:14 AM EDT
Completed Phase 2 Interventional Results available

Sodium Nitrite in Acute Myocardial Infarction

NCT00924118
View directory record Official record
Conditions
Acute Myocardial Infarction
Interventions
Sodium Nitrite
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
3
States / cities
Baltimore, Maryland • Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 13, 2018 · Synced Sep 25, 2026, 4:14 AM EDT
Completed Phase 2 Interventional Results available

Phase IIa: Safety, PK, & Tolerability of Sodium Nitrite in Patients With Peripheral Arterial Disease-SONIC

NCT01401517
View directory record Official record
Conditions
Peripheral Arterial Disease
Interventions
sodium nitrite
Drug
Lead sponsor
TheraVasc Inc.
Industry
Eligibility
35 Years to 85 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
10
States / cities
Aurora, Colorado • Atlanta, Georgia • Iowa City, Iowa + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2020 · Synced Sep 25, 2026, 4:14 AM EDT
Completed Phase 2 Interventional Results available

Inhaled Nitrite in Subjects With Pulmonary Hypertension

NCT01431313
View directory record Official record
Conditions
Pulmonary Hypertension, Heart Failure, Diastolic
Interventions
Inhaled Nitrite
Drug
Lead sponsor
Schmidhofer, Mark, MD
Individual
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 27, 2019 · Synced Sep 25, 2026, 4:14 AM EDT
Completed Phase 2 Interventional Results available

Inorganic Nitrite Delivery to Improve Exercise Capacity in HFpEF

NCT02742129
View directory record Official record
Conditions
Heart Failure
Interventions
Nebulized Sodium Nitrite, Placebo
Drug
Lead sponsor
Adrian Hernandez
Other
Eligibility
40 Years and older
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
20
States / cities
Atlanta, Georgia • Chicago, Illinois • Baltimore, Maryland + 11 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2019 · Synced Sep 25, 2026, 4:14 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Oral Nitrite for Older Heart Failure Patients

NCT02457260
View directory record Official record
Conditions
Heart Failure
Interventions
14 N Sodium Nitrite
Drug
Lead sponsor
Gladwin, Mark, MD
Individual
Eligibility
70 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 17, 2018 · Synced Sep 25, 2026, 4:14 AM 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 25, 2026, 4:14 AM EDT