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, 12:14 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: Inorganic Nitrate Clear all
Not listed Phase 2 Interventional Accepts healthy volunteers

Effects of Red Beetroot Juice on High-Fat Meal-Induced Endothelial Dysfunction and Cardiometabolic Disturbances

NCT02949115
View directory record Official record
Conditions
Overweight, Obesity, Aging, Menopause
Interventions
70 mL red beetroot juice, 70 mL red beetroot juice without nitrate, 70 mL placebo drink plus potassium nitrate, 70 mL placebo drink
Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
40 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 12, 2018 · Synced Sep 23, 2026, 12:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Inorganic Nitrate and Intensity of Exercise on Cardiovascular Health in Post-Menopausal Females

NCT05221905
View directory record Official record
Conditions
Vascular Dilation, Arterial Stiffness
Interventions
BEET IT - Concentrate Beet root juice, BEET IT - Concentrate Beet root juice (nitrate depleted)
Drug
Lead sponsor
University of Virginia
Other
Eligibility
45 Years to 75 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 29, 2023 · Synced Sep 23, 2026, 12:14 PM EDT
Completed Phase 2 Interventional Results available

Targeting Pulsatile Load to Increase Exercise Capacity and Quality of Life After Aortic Valve Replacement for Severe Aortic Stenosis (PULSE AS)

NCT03483051
View directory record Official record
Conditions
Aortic Valve Stenosis
Interventions
Potassium Nitrate, Potassium Chloride
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
50 Years to 90 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 16, 2020 · Synced Sep 23, 2026, 12:14 PM EDT
Recruiting Phase 3 Interventional

Improving Mobility After Revascularization in Peripheral Artery Disease

NCT06686121
View directory record Official record
Conditions
Peripheral Artery Disease, Intermittent Claudication, Peripheral Vascular Disease, Mobility Limitation, Revascularization
Interventions
Home Based Exercise, Nitrate Rich Beetroot Juice, Attention Control, Placebo Beetroot Juice Without Nitrate
Behavioral · Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
386 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
7
States / cities
Tucson, Arizona • Downey, California • Atlanta, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2025 · Synced Sep 23, 2026, 12:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Nitrate Supplementation and Crossfit Athletes

NCT02162927
View directory record Official record
Conditions
Performance
Interventions
Dietary Nitrate, Potassium Chloride (placebo)
Dietary Supplement
Lead sponsor
Florida State University
Other
Eligibility
20 Years to 35 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
2
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Mar 3, 2015 · Synced Sep 23, 2026, 12:14 PM EDT
Recruiting Phase 1 Interventional

IV Gallium Study for Patients With Cystic Fibrosis Who Have NTM (ABATE Study)

NCT04294043
View directory record Official record
Conditions
Nontuberculous Mycobacterium Infection
Interventions
Gallium nitrate
Drug
Lead sponsor
Chris Goss
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
10
States / cities
Birmingham, Alabama • Denver, Colorado • Baltimore, Maryland + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Sep 23, 2026, 12:14 PM EDT
Completed Not applicable Interventional

Open Label Clinical Trial of Vascanox® HP on Nitric Oxide and Blood Pressure

NCT05928676
View directory record Official record
Conditions
Hypertension, Elevated Blood Pressure
Interventions
Vascanox® HP
Dietary Supplement
Lead sponsor
Calroy Health Sciences
Industry
Eligibility
25 Years to 80 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 1, 2023 · Synced Sep 23, 2026, 12:14 PM EDT
Terminated Phase 2 Interventional Results available

Nitroglycerin vs. Furosemide Using Lung Ultrasound Pilot Trial

NCT03259165
View directory record Official record
Conditions
Heart Failure, Heart Failure Acute, Acute Cardiac Failure, Acute Cardiac Pulmonary Edema
Interventions
Nitrates, Loop Diuretics
Drug
Lead sponsor
Indiana University
Other
Eligibility
21 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
3
States / cities
Indianapolis, Indiana • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 19, 2024 · Synced Sep 23, 2026, 12:14 PM EDT
Completed Phase 2 Interventional Results available

Effect of KNO3 Compared to KCl on Oxygen UpTake in Heart Failure With Preserved Ejection Fraction (KNO3CK OUT HFPEF)

NCT02840799
View directory record Official record
Conditions
Heart Failure
Interventions
Potassium Nitrate (KNO3), Potassium Chloride (KCl)
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 90 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
3
States / cities
Evanston, Illinois • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 17, 2023 · Synced Sep 23, 2026, 12:14 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Postmenopausal Women and Their Endothelium

NCT03644472
View directory record Official record
Conditions
Postmenopausal Women
Interventions
nitrate rich beetroot juice, nitrate depleted beetroot juice
Drug
Lead sponsor
Penn State University
Other
Eligibility
Up to 70 Years · Female only
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 26, 2023 · Synced Sep 23, 2026, 12:14 PM EDT
Recruiting Not applicable Interventional

Interaction Between Inorganic Nitrate Supplementation and Metformin in Individuals With Prediabetes

NCT07131384
View directory record Official record
Conditions
Males, Females, Sedentary, Metformin, Prediabetes
Interventions
Dietary Supplement: Inorganic Nitrate (Beetroot juice), Dietary supplement: Placebo (Nitrate-depleted beetroot juice)
Dietary Supplement
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 60 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 23, 2026, 12:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Influence of Beetroot Juice on Racial Disparities in Vascular Health

NCT05132556
View directory record Official record
Conditions
Blood Pressure, Racial Disparities, Cardiovascular Risk Factor
Interventions
Acute Beetroot Juice
Other
Lead sponsor
Georgia Southern University
Other
Eligibility
18 Years to 39 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Savannah, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 4, 2023 · Synced Sep 23, 2026, 12:14 PM EDT
Recruiting Phase 2 Interventional

Inorganic Nitrate (NaNO3) Prevention of Contrast-Associated Acute Kidney Injury

NCT07016074
View directory record Official record
Conditions
Kidney Injury, Acute
Interventions
Sodium Nitrate, Placebo
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 26, 2026 · Synced Sep 23, 2026, 12:14 PM EDT
Completed Phase 2 Interventional Results available

Nitrites, Exercise, and Peripheral Arterial Disease

NCT01684930
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 28, 2017 · Synced Sep 23, 2026, 12:14 PM EDT
Terminated Not applicable Interventional

Effects of Dietary Nitrate in Women With Secondary Amenorrhea

NCT07019129
View directory record Official record
Conditions
Secondary Amenorrhea
Interventions
Beetroot Juice - Active, Placebo Beetroot Juice Without Nitrate
Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Sep 23, 2026, 12:14 PM EDT
Terminated Phase 2 Interventional Results available

Inhaled Nitric Oxide After Out-of-Hospital Cardiac Arrest

NCT03079102
View directory record Official record
Conditions
Heart Arrest, Out-Of-Hospital
Interventions
Nitric Oxide, Nitrogen
Drug
Lead sponsor
Cameron Dezfulian
Other
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
5
States / cities
McKeesport, Pennsylvania • Monroeville, Pennsylvania • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 24, 2022 · Synced Sep 23, 2026, 12:14 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Chlorhexidine Mouthwash and Oral Nitrate in Adults With Pulmonary Hypertension

NCT03787082
View directory record Official record
Conditions
Pulmonary Hypertension, Heart Failure With Normal Ejection Fraction, Pulmonary Heart Disease and Diseases of Pulmonary Circulation
Interventions
Nitrates, Chlorhexidine Gluconate Mouthwash, Placebo Mouthwash
Drug
Lead sponsor
Gladwin, Mark, MD
Individual
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 6, 2022 · Synced Sep 23, 2026, 12:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nitrate and Vitamin C on Vascular Health Oxidative Stress

NCT04283630
View directory record Official record
Conditions
Endothelial Dysfunction
Interventions
Dietary nitrate in the form of beetroot juice for all participnats, Nature Made vitamin c 1000 mg, Placebo
Dietary Supplement
Lead sponsor
David Travis Thomas
Other
Eligibility
50 Years to 70 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Feb 24, 2020 · Synced Sep 23, 2026, 12:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Inorganic Nitrate Supplement on Blood Pressure

NCT03909789
View directory record Official record
Conditions
Blood Pressure, Endothelial Dysfunction
Interventions
Plant based bioequivalent Nitrate supplementation, Placebo
Dietary Supplement
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
40 Years to 75 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Apr 11, 2019 · Synced Sep 23, 2026, 12:14 PM EDT
Recruiting Phase 2 Interventional

Matching Perfusion and Metabolic Activity in HFpEF

NCT04913805
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction
Interventions
Potassium Nitrate, Potassium Nitrate + Propionyl-L-Carnitine + Nicotinamide Riboside, Potassium Chloride
Drug · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Sep 23, 2026, 12:14 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effect of Beetroot Juice on Blood Pressure Regulation in Post Menopausal Women

NCT03380000
View directory record Official record
Conditions
Postmenopausal Women
Interventions
Beetroot juice, Beetroot juice placebo
Drug
Lead sponsor
Penn State University
Other
Eligibility
55 Years to 80 Years · Female only
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 11, 2022 · Synced Sep 23, 2026, 12:14 PM EDT
Recruiting Phase 2 Interventional

The Inorganic Nitrate and eXercise Performance in Heart Failure (iNIX-HF)

NCT05562167
View directory record Official record
Conditions
Heart Failure
Interventions
KNO3, Placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
19 Years to 79 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Sep 23, 2026, 12:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of Efficacy of Experimental Gel to Foam Dentifrices in Dental Erosion

NCT01657903
View directory record Official record
Conditions
Dental Erosion, Acid Wear
Interventions
Sodium Fluoride, Potassium nitrate
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 25, 2015 · Synced Sep 23, 2026, 12:14 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Inorganic Nitrate Supplementation on Cerebrovascular Aging and Arterial Stiffness Study

NCT03617302
View directory record Official record
Conditions
Aging, Arterial Stiffness, Endothelial Dysfunction, Hypertension, Cognitive Decline
Interventions
Experimental: Nitrate-containing, Placebo: Nitrate-depleted
Drug
Lead sponsor
Gary L. Pierce, PhD
Other
Eligibility
50 Years to 79 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Sep 23, 2026, 12:14 PM EDT