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Showing 1–24 of 156 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Hypertension, Neonatal Clear all
Withdrawn Phase 4 Interventional

Early iNO for Oxidative Stress, Vascular Tone and Inflammation in Babies With Hypoxic Respiratory Failure

NCT01891500
View directory record Official record
Conditions
Persistent Fetal Circulation Syndrome, Hypertension, Pulmonary, of Newborn, Persistent, Persistent Pulmonary Hypertension of Newborn
Interventions
Inhaled nitric oxide, Nitrogen Gas, Crossover iNO
Drug
Lead sponsor
University of Florida
Other
Eligibility
30 Minutes to 48 Hours
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 6, 2020 · Synced Sep 9, 2026, 8:03 PM EDT
Terminated Phase 2 Interventional Results available

Remodulin as Add-on Therapy for the Treatment of Persistent Pulmonary Hypertension of the Newborn

NCT02261883
View directory record Official record
Conditions
Persistent Pulmonary Hypertension of the Newborn
Interventions
IV Remodulin, Placebo
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
1 Hour to 14 Days
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
14
States / cities
Little Rock, Arkansas • Los Angeles, California • Palo Alto, California + 11 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2024 · Synced Sep 9, 2026, 8:03 PM EDT
Recruiting No phase listed Observational

Study of the Progression of Chronic Cardiovascular Conditions

NCT07420907
View directory record Official record
Conditions
Cardiovascular Disease (CVD), Heart Failure, Aortic Stenosis, Aortic Stenosis Disease, Hypertension, Hypertension (HTN), Hypertrophic Cardiomyopathy Patients, Hypertrophic Cardiomyopathy Without Obstruction, Hypertrophic Cardiomyopathy, Obstructive, Dilated Cardiomyopathy (DCM), Dilated Cardiomyopathy, Dilated Cardiomyopathy, Familial
Interventions
Not listed
Lead sponsor
Prolaio
Industry
Eligibility
18 Years and older
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 9, 2026, 8:03 PM EDT
Completed Phase 4 Interventional

Inhaled Nitric Oxide by Oxygen Hood in Neonates

NCT00732537
View directory record Official record
Conditions
Respiratory Failure, Infant, Persistent Fetal Circulation
Interventions
inhaled Nitric Oxide, Oxygen (>90% by hood) - standard therapy
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
1 Hour to 1 Week
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2005
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 11, 2008 · Synced Sep 9, 2026, 8:03 PM EDT
Completed No phase listed Observational

Abnormalities of the Eye's Anterior Chamber, Iris, Cornea and Lens

NCT00001161
View directory record Official record
Conditions
Aniridia, Eye Abnormality, Ocular Hypertension, Open Angle Glaucoma
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
Not listed
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1977 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 9, 2026, 8:03 PM EDT
Completed No phase listed Observational

First Trimester Prediction of Preeclampsia and Fetal Growth Restriction

NCT02379494
View directory record Official record
Conditions
Preeclampsia, Fetal Growth Restriction
Interventions
Not listed
Lead sponsor
Fetal Medicine Foundation
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Dayton, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 21, 2017 · Synced Sep 9, 2026, 8:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Vascular Inflammation and Anti-inflammatory Supplements After Adverse Pregnancy Outcomes

NCT04633551
View directory record Official record
Conditions
Pre-Eclampsia, Pre-Term, Intrauterine Growth Restriction, Hypertension in Pregnancy
Interventions
Anti-inflammatory supplement
Dietary Supplement
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 20, 2023 · Synced Sep 9, 2026, 8:03 PM EDT
Completed No phase listed Observational

Antibody Secreting Cell and Cyotokine Profiles in Neonates on ECMO

NCT00371241
View directory record Official record
Conditions
Persistent Fetal Circulation Syndrome, Diaphragmatic Hernia, Meconium Aspiration, Sepsis
Interventions
Not listed
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
1 Day to 30 Days
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 4, 2020 · Synced Sep 9, 2026, 8:03 PM EDT
Terminated Phase 2 Interventional

Hospital-Based Program for Treatment of Severe Cardiopulmonary Disease With Inhaled Nitric Oxide

NCT00041574
View directory record Official record
Conditions
Pulmonary Hypertension, Lung Disease, Sickle Cell Disease, Cardiac Transplant, Lung Transplant
Interventions
Inhaled Nitric Oxide
Drug
Lead sponsor
Mallinckrodt
Industry
Eligibility
5 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
3
States / cities
Denver, Colorado • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 8, 2016 · Synced Sep 9, 2026, 8:03 PM EDT
Completed No phase listed Observational

Genetic and Environmental Determinants That Control Metabolism in Pulmonary Hypertension

NCT02594917
View directory record Official record
Conditions
Iron-sulfur Cluster Deficiency, Pulmonary Hypertension, Friedreich Ataxia
Interventions
Right Heart Catheterization, Blood draw
Procedure · Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 60 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Sep 9, 2026, 8:03 PM EDT
Completed Not applicable Interventional

Safety and Effectiveness of a Virtual Pediatric Cardiac Rehabilitation Program or Telerehabilitation in Children With Heart Disease

NCT06819059
View directory record Official record
Conditions
Congenital Abnormalities, Pulmonary Arterial Hypertension (PAH), Orthotopic Heart Transplant, Cardiac Rehabilitation, Pediatric Cardiology, Telehealth, Telerehabilitation
Interventions
Pediatric Cardiac Telerehabilitation, Fitness Tracker Only
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
10 Years to 25 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 10, 2025 · Synced Sep 9, 2026, 8:03 PM EDT
Terminated No phase listed Observational

Registry to Evaluate INOmax in Newborn Babies With Pulmonary Hypertension

NCT03132428
View directory record Official record
Conditions
Pulmonary Hypertension of Newborn
Interventions
INOmax
Drug
Lead sponsor
Mallinckrodt
Industry
Eligibility
27 Weeks to 40 Weeks
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
30
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Loma Linda, California + 27 more
Source: ClinicalTrials.gov public record
Updated Jun 17, 2020 · Synced Sep 9, 2026, 8:03 PM EDT
Completed No phase listed Observational Results available

Intra-Abdominal Hypertension in Neonatal Intensive Care Patients

NCT00747552
View directory record Official record
Conditions
Intra-Abdominal Hypertension
Interventions
Not listed
Lead sponsor
University of Utah
Other
Eligibility
Up to 2 Months
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jan 25, 2010 · Synced Sep 9, 2026, 8:03 PM EDT
Completed No phase listed Observational

Thalassemia (Cooley's Anemia) Clinical Research Network (TCRN)

NCT00000623
View directory record Official record
Conditions
Anemia, Cooley's, Beta-Thalassemia, Hematologic Diseases, Thalassemia, Osteoporosis, Iron Overload, Hypertension, Pulmonary
Interventions
Deferoxamine, Deferiprone, Arginine, Sildenafil, Decitabine
Drug
Lead sponsor
Carelon Research
Other
Eligibility
1 Year to 75 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2006
U.S. locations
4
States / cities
Oakland, California • Boston, Massachusetts • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2014 · Synced Sep 9, 2026, 8:03 PM EDT
Completed Phase 2 Interventional

A Study of the Effects of 6R-BH4 on Blood Pressure in Subjects With Poorly Controlled Systemic Hypertension

NCT00325962
View directory record Official record
Conditions
Hypertension
Interventions
6R-BH4 (sapropterin dihydrochloride)
Drug
Lead sponsor
BioMarin Pharmaceutical
Industry
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
24
States / cities
Hoover, Alabama • Huntsville, Alabama • Mobile, Alabama + 21 more
Source: ClinicalTrials.gov public record
Updated Jul 20, 2009 · Synced Sep 9, 2026, 8:03 PM EDT
Terminated Phase 2 Interventional Results available

Macitentan in Pulmonary Hypertension of Sickle Cell Disease

NCT02651272
View directory record Official record
Conditions
Pulmonary Hypertension, Sickle Cell Disease
Interventions
macitentan
Drug
Lead sponsor
Boston University
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 7, 2020 · Synced Sep 9, 2026, 8:03 PM EDT
Completed Phase 3 Interventional Results available

HALT Progression of Polycystic Kidney Disease Study A

NCT00283686
View directory record Official record
Conditions
Kidney, Polycystic
Interventions
Lisinopril, Telmisartan, Placebo, Standard Blood Pressure Control, Low Blood Pressure Control
Drug · Other
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
15 Years to 64 Years
Enrollment
558 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
7
States / cities
Aurora, Colorado • Atlanta, Georgia • Kansas City, Kansas + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2020 · Synced Sep 9, 2026, 8:03 PM EDT
Completed No phase listed Observational

Phosphodiesterase Type-5 Inhibitor Therapy in Sickle Cell People With Pulmonary Hypertension

NCT03572036
View directory record Official record
Conditions
Pulmonary Hypertension, Sickle Cell Disease
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 99 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 18, 2021 · Synced Sep 9, 2026, 8:03 PM EDT
Completed Phase 1 Interventional Results available

Enteral L Citrulline Supplementation in Preterm Infants - Safety, Efficacy and Dosing

NCT03649932
View directory record Official record
Conditions
Bronchopulmonary Dysplasia, Bronchopulmonary Dysplasia Associated Pulmonary Hypertension, Pulmonary Hypertension, Premature Birth, Chronic Lung Disease of Prematurity
Interventions
Enteral L-citrulline
Dietary Supplement
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
Up to 30 Weeks
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 24, 2021 · Synced Sep 9, 2026, 8:03 PM EDT
Completed Phase 3 Interventional Results available

Comparison of Inhaled Nitric Oxide and Oxygen in Participants Reactivity During Acute Pulmonary Vasodilator Testing

NCT00626028
View directory record Official record
Conditions
Idiopathic Pulmonary Arterial Hypertension, Cardiomyopathy
Interventions
Nitric Oxide for inhalation, Oxygen, Nitric Oxide plus Oxygen
Drug
Lead sponsor
Mallinckrodt
Industry
Eligibility
4 Weeks to 18 Years
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
8
States / cities
Stanford, California • Denver, Colorado • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2019 · Synced Sep 9, 2026, 8:03 PM EDT
Enrolling by invitation No phase listed Observational

MRI and Computational Simulation Cardiology Study

NCT03149341
View directory record Official record
Conditions
Congenital Heart Disease, Pulmonary Hypertension
Interventions
Magnetic Resonance Imaging
Other
Lead sponsor
Stanford University
Other
Eligibility
Not listed
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2029
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Dec 17, 2024 · Synced Sep 9, 2026, 8:03 PM EDT
Completed Phase 3 Interventional Results available

HALT Progression of Polycystic Kidney Disease Study B

NCT01885559
View directory record Official record
Conditions
Kidney, Polycystic
Interventions
Lisinopril, Telmisartan, Placebo
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
15 Years to 64 Years
Enrollment
486 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
7
States / cities
Aurora, Colorado • Atlanta, Georgia • Kansas City, Kansas + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2020 · Synced Sep 9, 2026, 8:03 PM EDT
Completed No phase listed Observational

Serum Brain Natriuretic Peptide Levels and Pulmonary Hypertension in Pediatric Sickle Cell Patients

NCT01023451
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Not listed
Lead sponsor
Akron Children's Hospital
Other
Eligibility
7 Years to 21 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Akron, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 25, 2014 · Synced Sep 9, 2026, 8:03 PM EDT
Terminated Not applicable Interventional Results available

Iloprost for the Treatment of Pulmonary Hypertension in Adults With Congenital Heart Disease

NCT01319045
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Congenital Heart Disease, Eisenmenger's Syndrome
Interventions
Iloprost
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 25, 2015 · Synced Sep 9, 2026, 8:03 PM EDT