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Showing 1–24 of 50 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: nitroprusside Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Nutritional and Contractile Regulation of Muscle Growth

NCT00891696
View directory record Official record
Conditions
Sarcopenia
Interventions
Rapamycin, Amino acid supplementation, Low-intensity resistance exercise, Sodium nitroprusside, Blood flow restriction cuff
Drug · Other · Device
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 85 Years
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated May 3, 2017 · Synced Sep 12, 2026, 10:02 PM EDT
Completed Phase 2 Interventional Results available

Ketamine and Nitroprusside for Depression

NCT03102736
View directory record Official record
Conditions
Depression
Interventions
Placebos, Ketamine, Nitroprusside
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
21 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 1, 2020 · Synced Sep 12, 2026, 10:02 PM EDT
Completed Phase 3 Interventional Results available

Clevidipine in the Treatment of Blood Pressure in Patients With Acute Heart Failure (PRONTO)

NCT00803634
View directory record Official record
Conditions
Hypertension, Heart Failure
Interventions
Clevidipine, Standard of Care IV antihypertensive
Drug
Lead sponsor
The Medicines Company
Industry
Eligibility
18 Years and older
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
9
States / cities
Montgomery, Alabama • Inglewood, California • Baton Rouge, Louisiana + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2014 · Synced Sep 12, 2026, 10:02 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

The Impact of Gestational Diabetes Mellitus on Cerebral Blood Flow and Cerebrovascular Function After Pregnancy

NCT06911372
View directory record Official record
Conditions
Gestational Diabetes Mellitus (GDM), Postpartum Women, Uncomplicated Pregnancy
Interventions
Intradermal Microdialysis, Brain Blood Flow Tests, Local Heating
Drug · Other
Lead sponsor
Anna Stanhewicz, PhD
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Sep 12, 2026, 10:02 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

HeartPhone Cancer Survivors Trial 2019

NCT03953326
View directory record Official record
Conditions
Breast Cancer, Leukemia, Lymphoma
Interventions
HeartPhone app, Acetylcholine, Sodium Nitroprusside, L-Arginine, N2-((4-Methylphenyl)Sulfonyl)-, Methyl Ester
Behavioral · Drug
Lead sponsor
Penn State University
Other
Eligibility
18 Years to 65 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 12, 2026, 10:02 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Early Neurovascular Adaptations in Aging Women

NCT06520982
View directory record Official record
Conditions
Women, Sympathetic Nervous System, Aging, Blood Flow
Interventions
Norepinephrine, Isoproterenol, Acetylcholine, Nitroprusside, Estrogen
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Sep 12, 2026, 10:02 PM EDT
Withdrawn Phase 4 Interventional

Intravenous Vasodilator vs. Inotropic Therapy in Patients With Heart Failure

NCT02767024
View directory record Official record
Conditions
Acute Heart Failure
Interventions
Sodium nitroprusside, Dobutamine, Furosemide
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Oct 30, 2018 · Synced Sep 12, 2026, 10:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effect of Antioxidants on Skin Blood Flow-BH4

NCT03680573
View directory record Official record
Conditions
Cardiovascular Diseases, Cardiovascular Risk Factor, Vasoconstriction
Interventions
Control: Lacated Ringers, Apocynin, Allopurinol, BH4, NG Nitro L Arginine Methyl Ester, Sodium Nitroprusside, Acetyl-ß-methylcholine chloride
Drug
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
18 Years to 35 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Arlington, Texas
Source: ClinicalTrials.gov public record
Updated Sep 25, 2018 · Synced Sep 12, 2026, 10:02 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Effects of Anthracycline-based Chemotherapy on Peripheral Vascular Function

NCT03062878
View directory record Official record
Conditions
Breast Cancer, Lymphoma, Chemotherapy Effect
Interventions
Arterial blood pressure, Vascular Ultrasound, Venous blood sample, Skin microcirculatory blood flow
Other
Lead sponsor
Carl Ade, M.S., Ph.D.
Other
Eligibility
21 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Manhattan, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 1, 2025 · Synced Sep 12, 2026, 10:02 PM 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 12, 2026, 10:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Nitroprusside on Intrauterine Device (IUD) Insertion

NCT01248091
View directory record Official record
Conditions
Cervical Pain, Pelvic Pain
Interventions
Nitroprusside Gel, Placebo Gel
Procedure
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 13, 2012 · Synced Sep 12, 2026, 10:02 PM EDT
Completed No phase listed Observational

Improvement in Endothelial Dysfunction After Initiation of Anti-arrhythmic Therapy in Atrial Fibrillation Patients

NCT04128878
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Sotalol, Dofetilide
Drug
Lead sponsor
Samir Saba
Other
Eligibility
18 Years to 75 Years
Enrollment
12 participants
Timeline
2019 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 13, 2021 · Synced Sep 12, 2026, 10:02 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Mechanisms of Vasovagal Syncope

NCT01791816
View directory record Official record
Conditions
Vasovagal Syncope, Postural Tachycardia Syndrome
Interventions
Phenylephrine, L-Ng-monomethyl Arginine (L-NMMA)
Drug
Lead sponsor
New York Medical College
Other
Eligibility
14 Years to 29 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2022
U.S. locations
1
States / cities
Hawthorne, New York
Source: ClinicalTrials.gov public record
Updated May 22, 2025 · Synced Sep 12, 2026, 10:02 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Estrogen and Microvascular Function

NCT06043310
View directory record Official record
Conditions
Estrogen, Cardiovascular Diseases, Microvasculature, Oral Contraceptive Use
Interventions
Nω-nitro-L-arginine methyl ester (L-NAME), Acetylcholine, Sodium Nitroprusside
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2031
U.S. locations
1
States / cities
Wauwatosa, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Sep 12, 2026, 10:02 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Role of Cyclooxygenase Activity in the Endothelial Function of Hypertensive and Hypercholesterolemic Patients

NCT00001742
View directory record Official record
Conditions
Healthy, Hypercholesterolemia, Hypertension
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 12, 2026, 10:02 PM EDT
Recruiting No phase listed Observational

Testosterone Deficiency and Endothelial Dysfunction After Spinal Cord Injury

NCT07227740
View directory record Official record
Conditions
Spinal Cord Injuries, Endothelial Dysfunction, Testosterone Deficiency
Interventions
Intra-arterial Infusion of Vasoactive Agents, Intra-arterial Vitamin C Infusion, Blood Sampling
Diagnostic Test
Lead sponsor
Craig Hospital
Other
Eligibility
18 Years to 89 Years · Male only
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Englewood, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 20, 2025 · Synced Sep 12, 2026, 10:02 PM EDT
Completed Phase 2 Interventional

Sodium Nitroprusside for Blood Pressure Reduction in the ICU (SNP2)

NCT00621816
View directory record Official record
Conditions
Hypertension
Interventions
nitroprusside, placebo infusion
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
1 Day to 17 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
8
States / cities
Little Rock, Arkansas • Stanford, California • Louisville, Kentucky + 4 more
Source: ClinicalTrials.gov public record
Updated Dec 5, 2011 · Synced Sep 12, 2026, 10:02 PM EDT
Completed Phase 4 Interventional Results available

The Effect of Linagliptin on Mitochondrial and Endothelial Function

NCT01969084
View directory record Official record
Conditions
Type II Diabetes Mellitus
Interventions
Linagliptin, Placebo, Microcirculation testing, Macrocirculation testing, MRI Scans
Drug · Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
30 Years to 70 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 17, 2016 · Synced Sep 12, 2026, 10:02 PM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Role of Sympathetic Vasoconstriction on Insulin-Mediated Microvascular Recruitment and Glucose Uptake in Obesity

NCT03318094
View directory record Official record
Conditions
Insulin Resistance, Healthy, Obesity
Interventions
Phentolamine, Saline, Sodium Nitroprusside
Drug · Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 1, 2026 · Synced Sep 12, 2026, 10:02 PM EDT
Terminated Phase 2 Interventional Results available

Sodium Nitroprusside in Early Course Schizophrenia

NCT04986072
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Sodium Nitroprusside, 5% Dextrose solution
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 40 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 29, 2025 · Synced Sep 12, 2026, 10:02 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Vasodilation in Patients With Fabry's Disease

NCT00001774
View directory record Official record
Conditions
Cerebrovascular Accident, Fabry Disease, Healthy
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Male only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 12, 2026, 10:02 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Hot Flashes and Neurovascular Function in Women

NCT05193968
View directory record Official record
Conditions
Hot Flashes, Menopause, Vasomotor System; Labile
Interventions
Sympathoexcitatory stressors, Sodium Nitroprusside, Acetylcholine, Terbutaline, Norepinephrine
Other · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years to 60 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Sep 12, 2026, 10:02 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Nebivolol and the Endothelin (ET)-1 System

NCT01395329
View directory record Official record
Conditions
Prehypertension, Hypertension
Interventions
Nebivolol, Metoprolol, Placebo, Forearm Blood Flow (FBF) response to BQ-123 (100 mol/min), FBF response to BQ-123 (100 nmol/min)+BQ-788(50 nmol/min), FBF response to Acetylcholine, FBF response to Sodium Nitroprusside, FBF response to BQ-123+BQ-788+ACh
Drug · Other
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
45 Years to 65 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 1, 2019 · Synced Sep 12, 2026, 10:02 PM EDT
Terminated No phase listed Observational

Cardiac Output in Heart Failure Patients With Mechanical Pumps

NCT05195931
View directory record Official record
Conditions
Heart Failure, Systolic, Mechanical Circulatory Support, Cardiovascular Hemodynamics
Interventions
preload challenge, afterload challenge, contractility assessment
Diagnostic Test
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 80 Years
Enrollment
7 participants
Timeline
2021 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 18, 2023 · Synced Sep 12, 2026, 10:02 PM EDT