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 come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 27, 2026, 2:52 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 49 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: sodium nitroprusside Clear all
Completed Phase 1Phase 2 Interventional

AC6 Gene Transfer for CHF

NCT00787059
View directory record Official record
Conditions
Congestive Heart Failure
Interventions
Ad5.hAC6, Sucrose (3%)
Drug
Lead sponsor
Hammond, H. Kirk, M.D.
Individual
Eligibility
18 Years to 80 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
7
States / cities
San Diego, California • Chicago, Illinois • Minneapolis, Minnesota + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 9, 2018 · Synced Oct 27, 2026, 2:52 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Reflex Responses to Intermittent Hypoxia in Humans: Mechanisms and Consequences

NCT05146089
View directory record Official record
Conditions
Sleep Apnea, Healthy, Vasoconstriction, Vasodilation
Interventions
Hypoxic exposure, modified Oxford test, Oral Bosentan 62.5 mg, Hypoxic ventilatory response test
Other · Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 45 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
2
States / cities
Columbia, Missouri • Rochester, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 6, 2021 · Synced Oct 27, 2026, 2:52 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Endothelial Dysfunction After SCI

NCT07227727
View directory record Official record
Conditions
Spinal Cord Injuries, Endothelial Dysfunction
Interventions
Intra-arterial Infusion of Vasoactive Agents, Intra-arterial Vitamin C Infusion, Blood Sampling
Procedure
Lead sponsor
Craig Hospital
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Englewood, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 14, 2025 · Synced Oct 27, 2026, 2:52 PM EDT
Completed Not applicable Interventional

Coronary Artery Disease in Patients With Friedreich's Ataxia

NCT04649866
View directory record Official record
Conditions
Friedreich Ataxia
Interventions
plethysmography
Diagnostic Test
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 79 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 8, 2023 · Synced Oct 27, 2026, 2:52 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Endothelial Hyperpolarization in Humans

NCT00166166
View directory record Official record
Conditions
Hyperlipidemia
Interventions
Tetraethylammonium (TEA), L-NG-monomethyl Arginine (L-NMMA), Bradykinin, Sodium nitroprusside, Acetylcholine, Saline, Fluconazole
Drug
Lead sponsor
Emory University
Other
Eligibility
21 Years to 65 Years
Enrollment
174 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2013
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 15, 2018 · Synced Oct 27, 2026, 2:52 PM EDT
Completed Phase 1 Interventional

The Pathophysiology of Orthostatic Hypotension

NCT00748059
View directory record Official record
Conditions
Autonomic Nervous System Diseases, Orthostatic Hypotension, Dopamine Beta-Hydroxylase Deficiency, Orthostatic Intolerance
Interventions
Standing or upright tilt, Microneurography, QSweat, neck cuff stimulation, phenylephrine,isoproterenol,nitroprusside,propranolol,edrophonium,atropine,tyramine, clonidine,yohimbine,metoclopramide,alpha-methyldopa, BodPod, Eye exam, Sleep study, Pain response testing, Metabolic chamber, Brain function studies, Bicycle Exercise Test
Procedure · Device · Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
12 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 12, 2021 · Synced Oct 27, 2026, 2:52 PM EDT
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 4, 2017 · Synced Oct 27, 2026, 2:52 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 27, 2026 · Synced Oct 27, 2026, 2:52 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 6, 2011 · Synced Oct 27, 2026, 2:52 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 16, 2025 · Synced Oct 27, 2026, 2:52 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Role of Adenosine in the Release of VEGF and Cytokines

NCT00580905
View directory record Official record
Conditions
Inflammation
Interventions
Adenosine, Sodium Nitroprusside
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 60 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 28, 2018 · Synced Oct 27, 2026, 2:52 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 4, 2008 · Synced Oct 27, 2026, 2:52 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

: Vascular Function in Health and Disease

NCT02966665
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Pulmonary Artery Hypertension, Heart Failure, Hypertension
Interventions
Maximum Exercise Tests, BH4, L-NMMA, Vitamin C, Vitamin E, α-Lipoic Acid and L-Ascorbate, BQ-123, Fexofenadine, Ranitidine, Angiotensin-II, Valsartan, Acetylcholine, Sodium Nitroprusside, Angiotensin-II, Norepinephrine, Phentolamine, BQ-123, MitoQ, BH4
Other · Drug
Lead sponsor
D. Walter Wray
Other
Eligibility
18 Years and older
Enrollment
420 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2030
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 27, 2026, 2:52 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Effects of an Antioxidant Supplement on Blood Vessel Health

NCT06424756
View directory record Official record
Conditions
Healthy
Interventions
MitoQ, Placebo, MitoTempo, Tempol, L-NAME, SNP - Sodium Nitroprusside
Dietary Supplement · Drug
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2030
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 9, 2024 · Synced Oct 27, 2026, 2:52 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 2, 2025 · Synced Oct 27, 2026, 2:52 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Characterization of Sympathetic Nerve Activity in Stress Cardiomyopathy

NCT01048125
View directory record Official record
Conditions
Cardiomyopathy
Interventions
Sympathetic Nerve Activity, Mental Stress Test (Color Word Test), The Modified Oxford Technique for Baroreflex Sensitivity, Cold Pressor Test, Echocardiographic evaluation
Device · Behavioral · Drug + 1 more
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
21 Years to 90 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 23, 2016 · Synced Oct 27, 2026, 2:52 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 18, 2016 · Synced Oct 27, 2026, 2:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effect of Antioxidants on Skin Blood Flow During Local Heating

NCT03680638
View directory record Official record
Conditions
Cardiovascular Diseases, Cardiovascular Risk Factor, Vasodilation
Interventions
Control (Lactated Ringer's), Tempol, Apocynin, Allopurinol
Other · Drug
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
18 Years to 35 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Arlington, Texas
Source: ClinicalTrials.gov public record
Updated Sep 21, 2018 · Synced Oct 27, 2026, 2:52 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 26, 2025 · Synced Oct 27, 2026, 2:52 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 31, 2018 · Synced Oct 27, 2026, 2:52 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Antidepressant Therapy for Improved Blood Vessel Health After Preeclampsia

NCT07715669
View directory record Official record
Conditions
Preeclampsia, Endothelial Function
Interventions
Paroxetine Hydrochloride, Ascorbic acid (Vitamin C)
Drug
Lead sponsor
Anna Stanhewicz, PhD
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Oct 27, 2026, 2:52 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 29, 2026 · Synced Oct 27, 2026, 2:52 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 12, 2026 · Synced Oct 27, 2026, 2:52 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 14, 2012 · Synced Oct 27, 2026, 2:52 PM EDT