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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 1 Interventional Accepts healthy volunteers

Distribution of Rubidium-82, Nitrogen-13 Ammonia, and Fluorine-18 Fluorodeoxyglucose in Normal Volunteers

NCT01433705
View directory record Official record
Conditions
Heart Disease
Interventions
Rb-82 Pet scans, F-18 FDG Pet scans, N-13 ammonia Pet scans, Regadenoson
Other · Drug
Lead sponsor
University of Michigan
Other
Eligibility
30 Years to 70 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2018
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 29, 2019 · Synced Sep 23, 2026, 8:51 AM EDT
Completed Phase 2 Interventional Results available

Effect of Inhaled Albuterol in Pulmonary Hypertension

NCT03270332
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Albuterol, Placebo
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 29, 2021 · Synced Sep 23, 2026, 8:51 AM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers

Targeting ER Stress in Vascular Dysfunction

NCT04001647
View directory record Official record
Conditions
Vasodilation, Arterial Stiffness
Interventions
Acetylcholine, Sodium Nitroprusside, Ascorbic Acid
Drug
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 80 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 7, 2025 · Synced Sep 23, 2026, 8:51 AM EDT
Completed No phase listed Observational

Severe ARDS: Generating Evidence

NCT03021824
View directory record Official record
Conditions
Acute Respiratory Distress Syndrome, Acute Respiratory Failure With Hypoxia, Acute Respiratory Failure
Interventions
Not listed
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
2,400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
28
States / cities
Tucson, Arizona • Los Angeles, California • Jacksonville, Florida + 22 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2020 · Synced Sep 23, 2026, 8:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Heart and Blood Pressure Study: The Effect of Aortic Impedance on Myocardial Relaxation

NCT00204984
View directory record Official record
Conditions
High Blood Pressure
Interventions
oral hydralazine and intravenous nesiritide
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
65 Years and older
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 7, 2019 · Synced Sep 23, 2026, 8:51 AM EDT
Completed Phase 2 Interventional Results available

Effect of Beetroot Juice on Coronary Blood Flow and Walking Performance in PAD

NCT02553733
View directory record Official record
Conditions
Peripheral Arterial Disease
Interventions
Beetroot juice, Beetroot juice placebo
Drug
Lead sponsor
David N. Proctor, PhD
Other
Eligibility
21 Years to 85 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 23, 2026, 8:51 AM EDT
Not listed Early Phase 1 Interventional

Inhaled Nitric Oxide for ARDS-related Pulmonary Hypertension

NCT06249633
View directory record Official record
Conditions
Acute Respiratory Distress Syndrome, Pulmonary Hypertension
Interventions
Nitric Oxide
Drug
Lead sponsor
Yuri Matusov
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 7, 2024 · Synced Sep 23, 2026, 8:51 AM EDT
Terminated Phase 3 Interventional

Effects of Inhaled Nitric Oxide in the Treatment of Acute Hypoxemic Respiratory Failure (AHRF) in Pediatrics

NCT00041561
View directory record Official record
Conditions
Respiratory Insufficiency, Anoxemia
Interventions
Nitrogen gas, inhaled nitric oxide
Drug
Lead sponsor
Mallinckrodt
Industry
Eligibility
Up to 16 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
16
States / cities
Orange, California • Stanford, California • Denver, Colorado + 13 more
Source: ClinicalTrials.gov public record
Updated Jul 25, 2016 · Synced Sep 23, 2026, 8:51 AM EDT
Completed Not applicable Interventional Results available

HIV-1, Insufficient Sleep and Vascular Endothelial Dysfunction

NCT04956861
View directory record Official record
Conditions
HIV-1
Interventions
Individualized Targeted Sleep
Behavioral
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
40 Years to 75 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 22, 2025 · Synced Sep 23, 2026, 8:51 AM EDT
Withdrawn Phase 2 Interventional

Effect of iNO in Patients With Submassive and Massive PE

NCT04996667
View directory record Official record
Conditions
Pulmonary Embolism, Pulmonary Embolism Subacute Massive
Interventions
inhaled nitric oxide (iNO)
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced Sep 23, 2026, 8:51 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Network-Level Effects of Nitrous Oxide in the Human Brain

NCT03435055
View directory record Official record
Conditions
Healthy
Interventions
Nitrous Oxide Gas for Inhalation
Drug
Lead sponsor
University of Michigan
Other
Eligibility
21 Years to 40 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 29, 2021 · Synced Sep 23, 2026, 8:51 AM EDT
Terminated Phase 2 Interventional Results available

Natrecor (Nesiritide) in Transplant-Eligible Management of Congestive Heart Failure-TMAC

NCT00338455
View directory record Official record
Conditions
Congestive Heart Failure, Cardiac Transplantation, Renal Insufficiency, Renal Failure
Interventions
Natrecor (nesiritide)+Standard Care+dobutamine or milrinone, Placebo+Standard Care+dobutamine or milrinone
Drug
Lead sponsor
Scios, Inc.
Industry
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
14
States / cities
Stanford, California • Tampa, Florida • Chicago, Illinois + 11 more
Source: ClinicalTrials.gov public record
Updated Dec 7, 2014 · Synced Sep 23, 2026, 8:51 AM EDT
Completed Phase 3 Interventional Results available

Effectiveness of Ultrafiltration in Treating People With Acute Decompensated Heart Failure and Cardiorenal Syndrome (The CARRESS Study)

NCT00608491
View directory record Official record
Conditions
Heart Failure
Interventions
Stepped pharmacologic care, Ultrafiltration
Drug · Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
188 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
8
States / cities
Phoenix, Arizona • Atlanta, Georgia • Minneapolis, Minnesota + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2013 · Synced Sep 23, 2026, 8:51 AM EDT
Terminated Phase 4 Interventional Results available

Outpatient Vasodilator Assessment Using Iloprost in Pulmonary Hypertension

NCT03044314
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Iloprost and nitric oxide administration
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 1, 2024 · Synced Sep 23, 2026, 8:51 AM EDT
Withdrawn Phase 2 Interventional

Phase Analysis and Obstructive CAD on Rubidium PET

NCT01840696
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Regadenoson
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 90 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 1, 2014 · Synced Sep 23, 2026, 8:51 AM EDT
Active, not recruiting No phase listed Observational

Perfusion Abnormalities in Hypertrophic Cardiomyopathy

NCT06599229
View directory record Official record
Conditions
Hypertrophic Cardiomyopathy (HCM)
Interventions
myocardial contrast echo
Diagnostic Test
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 23, 2026, 8:51 AM EDT
Recruiting Phase 4 Interventional

A Preliminary Study for INFORMED

NCT05585125
View directory record Official record
Conditions
Heart Failure, Heart Failure, Diastolic, Heart Failure With Preserved Ejection Fraction, Cardiac Failure, Heart Diseases
Interventions
Beta blocker
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
65 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 23, 2026, 8:51 AM EDT
Terminated Not applicable Interventional

Reversible Pulmonary Artery Banding as Simplified Management of End-stage Dilated Left Ventriculopathy in Early Life

NCT02652676
View directory record Official record
Conditions
Acute on Chronic Systolic Congestive Heart Failure
Interventions
Reversible Pulmonary Artery Banding, GORE-TEX DualMesh EMERGE PLUS Biomaterial
Procedure
Lead sponsor
Loma Linda University
Other
Eligibility
Up to 4 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Feb 9, 2023 · Synced Sep 23, 2026, 8:51 AM EDT
Completed No phase listed Observational

ACEI or ARB and COVID-19 Severity and Mortality in US Veterans

NCT04467931
View directory record Official record
Conditions
Hypertension, COVID
Interventions
ACEI/ARB, Non-ACEI/ARB, ACEI, ARB
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
22,213 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 27, 2021 · Synced Sep 23, 2026, 8:51 AM EDT
Terminated No phase listed Observational

Cardiac Metabolic Remodeling After Pulmonary Vasodilator Therapy in Pulmonary Arterial Hypertension: A Pilot Study

NCT04090866
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Right-Sided Heart Failure
Interventions
PET/MRI
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 75 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 26, 2020 · Synced Sep 23, 2026, 8:51 AM EDT
Completed Phase 2 Interventional Results available

The Effects of Nitric Oxide for Inhalation During Left Ventricular Assists Device (LVAD) Implantation

NCT00060840
View directory record Official record
Conditions
Congestive Heart Failure
Interventions
Nitric Oxide, Nitrogen
Drug
Lead sponsor
Mallinckrodt
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
8
States / cities
Newark, New Jersey • Durham, North Carolina • Cincinnati, Ohio + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2016 · Synced Sep 23, 2026, 8:51 AM EDT
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

Role of Acetylcholine in Blood Flow Regulation in Healthy Adults: Effects of Age and Exercise Training

NCT03972683
View directory record Official record
Conditions
Vasoconstriction, Vasodilation
Interventions
Handgrip Exercise Training, Acetylcholine, Adenosine Triphosphate, Atropine, Phenylephrine, Sodium Nitroprusside
Other · Drug
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 1, 2021 · Synced Sep 23, 2026, 8:51 AM EDT
Completed Phase 4 Interventional Results available

The Effect of Nebivolol on Endothelial Dysfunction in African Americans With Hypertension

NCT01049009
View directory record Official record
Conditions
High Blood Pressure
Interventions
Nebivolol, Metoprolol XL
Drug
Lead sponsor
Emory University
Other
Eligibility
21 Years to 80 Years
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 10, 2017 · Synced Sep 23, 2026, 8:51 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Nitrous Oxide Treatment for Tinnitus

NCT03365011
View directory record Official record
Conditions
Tinnitus
Interventions
Nitrous oxide gas for inhalation, Placebo gas for inhalation
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 13, 2018 · Synced Sep 23, 2026, 8:51 AM EDT