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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Phase 2 Interventional Results available

Nitrite Supplementation in Long COVID Patients

NCT05618574
Conditions
Long COVID, Cardiorespiratory Fitness
Interventions
140 ml per day of Beet-It nitrate beverage (James White Drinks Ltd., Ipswich, UK), 210 ml of nitrate-depleted placebo
Dietary Supplement
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Out-Of-Hospital Cardiac Arrest
Interventions
Sodium Nitrite
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Seattle, Washington
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
Conditions
Subarachnoid Hemorrhage
Interventions
Sodium Nitrite
Drug
Lead sponsor
Hope Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Charlottesville, Virginia
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
Completed Phase 2 Interventional Results available

Nitrites, Exercise, and Peripheral Arterial Disease

NCT01684930
Conditions
Peripheral Arterial Disease
Interventions
Beetroot Juice (Beet-It Stamina Shot) & Supervised Exercise Training, Placebo Comparator Beverage (Beet-It Stamina Shot) & Exercise Training
Drug · Other
Lead sponsor
Duke University
Other
Eligibility
40 Years to 75 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Completed Phase 2 Interventional Results available

Sodium Nitrite in Acute Myocardial Infarction

NCT00924118
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
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
Completed Not applicable Interventional Accepts healthy volunteers

Nitrite Supplementation for Improving Physiological Function in Older Adults

NCT02393742
Conditions
Ageing
Interventions
Sodium nitrite, Placebo
Drug
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
60 Years to 79 Years · Female only
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Boulder, Colorado
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
Completed Not applicable Interventional Accepts healthy volunteers

Nitrate and Exercise Performance in Middle to Older Aged Adults

NCT03371966
Conditions
Aging
Interventions
High Nitrate Beetroot Juice, Low Nitrate Beetroot Juice
Dietary Supplement
Lead sponsor
Wake Forest University
Other
Eligibility
40 Years to 65 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
Hyperlipidemias, Metabolic Syndrome X, Cardiovascular Diseases
Interventions
Comparison of dietary protein amino acid profile
Behavioral
Lead sponsor
Tufts University
Other
Eligibility
50 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Terminated Phase 2 Interventional Results available

Nitrite Infusion in Islet Cell Transplantation

NCT03544242
Conditions
Diabetes
Interventions
Control, Pre-Isolation Infusion, Post-Isolation Infusion
Other · Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Birmingham, Alabama
Completed Phase 2 Interventional Accepts healthy volunteers

Effects of Nitrite on Blood Vessel Dilation in Normal Volunteers

NCT00048477
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
Completed Phase 1 Interventional Accepts healthy volunteers

Study of SIAN Nasal Spray in Healthy Adults

NCT05194358
Conditions
Cyanide Poisoning
Interventions
Stabilized Isoamyl Nitrite (SIAN)
Drug
Lead sponsor
Emergent BioSolutions
Industry
Eligibility
18 Years to 45 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
2
States / cities
Knoxville, Tennessee • Austin, Texas
Conditions
Coronary Arteriosclerosis
Interventions
Forearm blood flow study, Brachial artery reactivity study, Treadmill exercise test
Procedure
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
22 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Not applicable Interventional Accepts healthy volunteers

Inorganic Nitrate and OSA

NCT03930563
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
Completed Early Phase 1 Interventional Results available

Treatment of HFpEF With Nitrate Supplement

NCT03289481
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
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
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
Completed No phase listed Observational Accepts healthy volunteers Results available

Urinalysis Results in Healthy Individuals

NCT04055675
Conditions
Asymptomatic Bacteriuria, Asymptomatic Pyuria
Interventions
Urine dipstick test
Diagnostic Test
Lead sponsor
Kendall Healthcare Group, Ltd.
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Miami, Florida
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Oral Nitrite and Nitrate in Healthy Normal Volunteer Adults

NCT01681836
Conditions
Focus of Study of Healthy Adults
Interventions
15Nitrogen(15N)-labeled sodium nitrite, 15Nitrogen(15N)-labeled sodium nitrate
Drug
Lead sponsor
Gladwin, Mark, MD
Individual
Eligibility
18 Years to 60 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Ischemia
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
1
States / cities
Bethesda, Maryland
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