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ClinicalTrials.gov public records Last synced Oct 22, 2026, 7:05 AM EDT

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Showing 25–48 of 72 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Nitrite Clear all
Withdrawn Phase 2 Interventional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 16, 2020 · Synced Oct 22, 2026, 7:05 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Effect of Sublingually Generated S-nitroso-N-acetylcysteine on Systemic Blood Pressure.

NCT05798481
View directory record Official record
Conditions
Hypertension, Cardiovascular Diseases
Interventions
Mixture of Sodium Nitrite and N-acetylcysteine (NAC) crytals.
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
21 Years to 80 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Nov 26, 2025 · Synced Oct 22, 2026, 7:05 AM EDT
Completed Phase 2 Interventional Results available

The Effects of NOx and Conjugated Linoleic Acid on Asthmatics

NCT02433977
View directory record Official record
Conditions
Asthma
Interventions
Conjugated Linolenic Acid, Sodium Nitrite, Sodium Nitrate
Dietary Supplement · Drug
Lead sponsor
Gladwin, Mark, MD
Individual
Eligibility
18 Years to 65 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 27, 2021 · Synced Oct 22, 2026, 7:05 AM EDT
Completed Phase 1 Interventional

Nitrite Infusion Studies

NCT00102271
View directory record Official record
Conditions
Healthy
Interventions
Oxypurinol, Sodium Nitrite
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
21 Years to 40 Years
Enrollment
36 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 2, 2017 · Synced Oct 22, 2026, 7:05 AM EDT
Withdrawn Phase 2 Interventional

Oral Nitrite Trial for Hypertension and Metabolic Syndrome

NCT02517697
View directory record Official record
Conditions
Metabolic Syndrome, Hypertension
Interventions
14 Nitrogen (N) Sodium Nitrite, Placebo
Drug
Lead sponsor
Gladwin, Mark, MD
Individual
Eligibility
18 Years to 60 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 19, 2021 · Synced Oct 22, 2026, 7:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Inorganic Nitrate and OSA

NCT03930563
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Pre-beetroot juice supplementation, Post-beetroot juice supplementation
Dietary Supplement
Lead sponsor
University of Iowa
Other
Eligibility
30 Years to 70 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Apr 27, 2021 · Synced Oct 22, 2026, 7:05 AM EDT
Withdrawn Not applicable Interventional

Diagnostic Utility of Amyl Nitrite in Patients With Suspected Achalasia Undergoing High Resolution Esophageal Manometry (HREM)

NCT02428959
View directory record Official record
Conditions
Dysphagia, Achalasia
Interventions
Amyl Nitrite
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 30, 2019 · Synced Oct 22, 2026, 7:05 AM EDT
Completed Not applicable Interventional

Cardiovascular Function in Cancer Survivors

NCT03776149
View directory record Official record
Conditions
Cancer Survivor With History of Anthracycline Chemotherapy
Interventions
Beetroot juice, Black currant juice
Dietary Supplement
Lead sponsor
Kansas State University
Other
Eligibility
21 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Manhattan, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 31, 2022 · Synced Oct 22, 2026, 7:05 AM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers Results available

Vascular Dysfunction in Black Individuals: Roles of Nitric Oxide and Endothelin-1

NCT04770155
View directory record Official record
Conditions
Vascular Function, Racial Disparity
Interventions
Dietary Nitrates 400 mg, L-citrulline 3 g, Sildenafil 100 mg, Bosentan 125 mg
Dietary Supplement · Drug
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years to 40 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Oct 31, 2023 · Synced Oct 22, 2026, 7:05 AM EDT
Withdrawn Phase 3 Interventional Accepts healthy volunteers

Nitrite Infusion in High Risk Patients Undergoing Cardiopulmonary Bypass

NCT03331146
View directory record Official record
Conditions
Acute Kidney Injury
Interventions
Saline, Sodium Nitrite
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 100 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 27, 2018 · Synced Oct 22, 2026, 7:05 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 18, 2018 · Synced Oct 22, 2026, 7:05 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 24, 2024 · Synced Oct 22, 2026, 7:05 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 16, 2019 · Synced Oct 22, 2026, 7:05 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Determination of Variances in Exhaled Nitric Oxide Output in Normal Healthy Male Volunteers Consuming High and Low Nitrate/Nitrite Diets

NCT00027157
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Male only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 22, 2026, 7:05 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Three New Ideas to Protect Special Forces From the Stress of High Altitude

NCT02463357
View directory record Official record
Conditions
Mountain Sickness
Interventions
Quercetin, Nifedipine extended release, Methazolamide, Metformin, Placebo, Nitrite
Dietary Supplement · Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Alma, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 30, 2021 · Synced Oct 22, 2026, 7:05 AM EDT
Completed Phase 2 Interventional Results available

Oral Nitrite in Patients With Pulmonary Hypertension and Heart Failure With Preserved Ejection Fraction

NCT03015402
View directory record Official record
Conditions
Pulmonary Hypertension Secondary, Heart Failure
Interventions
Sodium Nitrite, Placebo Oral Capsule
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 7, 2024 · Synced Oct 22, 2026, 7:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Comparative, Controlled Study to Evaluate the Clinical Accuracy of the Velieve U.S. UTI Urine Analysis Test System

NCT04371159
View directory record Official record
Conditions
Urinary Tract Infections
Interventions
Velieve U.S.
Device
Lead sponsor
Healthy.io Ltd.
Industry
Eligibility
18 Years to 80 Years
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
West Palm Beach, Florida
Source: ClinicalTrials.gov public record
Updated Jun 23, 2020 · Synced Oct 22, 2026, 7:05 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 2, 2017 · Synced Oct 22, 2026, 7:05 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 24, 2023 · Synced Oct 22, 2026, 7:05 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 6, 2021 · Synced Oct 22, 2026, 7:05 AM EDT
Completed Phase 1 Interventional

Topical Sodium Nitrite for Chronic Leg Ulcers in Adult Patients With Blood Disorders

NCT01316796
View directory record Official record
Conditions
Sickle Cell Anemia, Sickle Cell Disease, Chronic Hemolytic Disorders
Interventions
Sodium Nitrite Cream
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 99 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 22, 2018 · Synced Oct 22, 2026, 7:05 AM EDT
Completed Phase 4 Interventional Results available

Evaluation of Ureteral Patency in the Post-indigo Carmine Era

NCT02677623
View directory record Official record
Conditions
Ureteral Patency
Interventions
Pyridium, Sodium Fluorescein, Mannitol, Normal Saline
Drug · Other
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Female only
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 30, 2019 · Synced Oct 22, 2026, 7:05 AM EDT
Completed Phase 2 Interventional Results available

A Phase 2a Study to Assess Safety & Pharmacokinetics of Sustained Release Sodium Nitrite in Patients With Diabetic Pain

NCT02412852
View directory record Official record
Conditions
Diabetes
Interventions
Sodium nitrite, Placebo
Drug
Lead sponsor
TheraVasc Inc.
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Centerville, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 24, 2020 · Synced Oct 22, 2026, 7:05 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 2, 2017 · Synced Oct 22, 2026, 7:05 AM EDT