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ClinicalTrials.gov public records Last synced Oct 10, 2026, 11:38 PM EDT

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Showing 49–72 of 74 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Associated Pulmonary Arterial Hypertension Clear all
Recruiting Phase 2 Interventional

129 Xenon MRI as a Biomarker for Diagnosis and Response to Therapy in Pulmonary Arterial Hypertension (PAH)

NCT06104228
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Idiopathic Pulmonary Arterial Hypertension, Pulmonary Arterial Hypertension Associated With Connective Tissue Disease (Disorder), Connective Tissue Diseases
Interventions
129Xe Hyperpolarized
Drug
Lead sponsor
Bastiaan Driehuys
Other
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Oct 10, 2026, 11:38 PM EDT
Terminated Phase 2 Interventional

CXA-10 Study in Subjects With Pulmonary Arterial Hypertension

NCT04053543
View directory record Official record
Conditions
PAH
Interventions
CXA-10
Drug
Lead sponsor
Complexa, Inc.
Industry
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
31
States / cities
Birmingham, Alabama • Tucson, Arizona • Anaheim, California + 27 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2020 · Synced Oct 10, 2026, 11:38 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 25, 2021 · Synced Oct 10, 2026, 11:38 PM EDT
Completed Phase 4 Interventional Results available

A Clinical Trial of Ambrisentan and Tadalafil in Pulmonary Arterial Hypertension Associated With Systemic Sclerosis

NCT01042158
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Systemic Sclerosis, Scleroderma Spectrum of Diseases, Connective Tissue Disease, Pulmonary Hypertension
Interventions
tadalafil and ambrisentan upfront combination therapy
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 12, 2017 · Synced Oct 10, 2026, 11:38 PM EDT
Recruiting Phase 2 Interventional

A Study of ROC-101 in Patients With Pulmonary Arterial Hypertension (PAH) and Pulmonary Hypertension Associated With Interstitial Lung Disease (ILD-PH) (ROCSTAR STUDY)

NCT07175038
View directory record Official record
Conditions
Pulmonary Arterial Hypertension (PAH), Pulmonary Hypertension, Interstitial Lung Disease
Interventions
ROC-101
Drug
Lead sponsor
AllRock Bio, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
11
States / cities
Phoenix, Arizona • Rancho Cordova, California • Aurora, Colorado + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 10, 2026, 11:38 PM EDT
Recruiting No phase listed Observational

Right Ventricle Lipid in Pulmonary Arterial Hypertension (PAH)

NCT05462574
View directory record Official record
Conditions
Idiopathic Pulmonary Arterial Hypertension, Heritable Pulmonary Arterial Hypertension, Pulmonary Arterial Hypertension Associated With Connective Tissue Disease
Interventions
No Intervention
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 29, 2026 · Synced Oct 10, 2026, 11:38 PM EDT
Completed No phase listed Observational

Pharmacokinetics of Understudied Drugs Administered to Children Per Standard of Care

NCT01431326
View directory record Official record
Conditions
Adenovirus, Anesthesia, Anxiety, Anxiolysis, Autism, Autistic Disorder, Bacterial Meningitis, Bacterial Septicemia, Benzodiazepine, Bipolar Disorder, Bone and Joint Infections, Central Nervous System Infections, Convulsions, Cytomegalovirus Retinitis, Early-onset Schizophrenia Spectrum Disorders, Epilepsy, General Anesthesia, Gynecologic Infections, Herpes Simplex Virus, Infantile Hemangioma, Infection, Inflammation, Inflammatory Conditions, Intra-abdominal Infections, Lower Respiratory Tract Infections, Migraines, Pain, Pneumonia, Schizophrenia, Sedation, Seizures, Skeletal Muscle Spasms, Skin and Skin-structure Infections, Treatment-resistant Schizophrenia, Urinary Tract Infections, Withdrawal, Sepsis, Gram-negative Infection, Bradycardia, Cardiac Arrest, Cardiac Arrhythmia, Staphylococcal Infections, Nosocomial Pneumonia, Neuromuscular Blockade, Methicillin Resistant Staphylococcus Aureus, Endocarditis, Neutropenia, Headache, Fibrinolytic Bleeding, Pulmonary Arterial Hypertension, CMV Retinitis, Hypertension, Chronic Kidney Diseases, Hyperaldosteronism, Hypokalemia, Heart Failure, Hemophilia, Heavy Menstrual Bleeding, Insomnia
Interventions
The POPS study is collecting PK data on children prescribed the following drugs of interest per standard of care:
Drug
Lead sponsor
Daniel Benjamin
Other
Eligibility
Up to 21 Years
Enrollment
3,520 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
43
States / cities
Anchorage, Alaska • Little Rock, Arkansas • La Jolla, California + 37 more
Source: ClinicalTrials.gov public record
Updated Sep 6, 2023 · Synced Oct 10, 2026, 11:38 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Early Detection of Pulmonary Arterial Hypertension Using Cardiac Magnetic Resonance Imaging

NCT01451255
View directory record Official record
Conditions
Pulmonary Hypertension, Pulmonary Arterial Hypertension
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 99 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
2
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 17, 2016 · Synced Oct 10, 2026, 11:38 PM EDT
Terminated Phase 3 Interventional Results available

Study of Ralinepag on Exercise Capacity by Cardiopulmonary Exercise Testing (CPET) in WHO Group 1 PH Subjects

NCT04084678
View directory record Official record
Conditions
Pulmonary Hypertension, Pulmonary Arterial Hypertension
Interventions
Ralinepag, Placebo
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
5
States / cities
Tucson, Arizona • Aurora, Colorado • Denver, Colorado + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Oct 10, 2026, 11:38 PM EDT
Completed Phase 1 Interventional

Cardiopulmonary Function Assessment and NO-Based Therapies for Patients With Hemolysis-Associated Pulmonary Hypertension

NCT00352430
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Nitric Oxide/INP Pulse Delivery, Nitric Oxide/INO Pulse Delivery
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 25, 2019 · Synced Oct 10, 2026, 11:38 PM EDT
Completed Phase 2Phase 3 Interventional

Double Blind, Randomized Trial of Bosentan for Sarcoidosis Associated Pulmonary Hypertension

NCT00581607
View directory record Official record
Conditions
Sarcoidosis, Pulmonary Arterial Hypertension
Interventions
Bosentan, Placebo
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
4
States / cities
New York, New York • Cincinnati, Ohio • Cleveland, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2013 · Synced Oct 10, 2026, 11:38 PM EDT
Terminated Phase 4 Interventional Results available

Safety and Efficacy Trial to Treat Diastolic Heart Failure Using Ambrisentan

NCT00840463
View directory record Official record
Conditions
Pulmonary Hypertension, Heart Failure With Preserved Ejection Fraction
Interventions
Ambrisentan, Placebo
Drug · Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 19, 2020 · Synced Oct 10, 2026, 11:38 PM EDT
Active, not recruiting Phase 2 Interventional

Frespaciguat (MK-5475) INSIGNIA-PH-COPD: A Study of the Efficacy and Safety of Frespaciguat (an Inhaled sGC Stimulator) in Adults With PH-COPD

NCT05612035
View directory record Official record
Conditions
Pulmonary Hypertension, Chronic Obstructive Pulmonary Disease
Interventions
Frespaciguat, Placebo
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
40 Years to 85 Years
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
18
States / cities
San Francisco, California • Aurora, Colorado • Sebring, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 10, 2026, 11:38 PM EDT
Terminated Phase 2 Interventional Results available

Efficacy and Safety of Riociguat in Patients With Symptomatic Pulmonary Hypertension (PH) Associated With Idiopathic Interstitial Pneumonias (IIP)

NCT02138825
View directory record Official record
Conditions
Idiopathic Interstitial Pneumonias / Hypertension,Pulmonary
Interventions
Riociguat (Adempas, BAY63-2521), Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 80 Years
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
17
States / cities
Los Angeles, California • San Francisco, California • Aurora, Colorado + 14 more
Source: ClinicalTrials.gov public record
Updated Dec 4, 2017 · Synced Oct 10, 2026, 11:38 PM EDT
Terminated Phase 3 Interventional Results available

Bardoxolone Methyl in Patients With Connective Tissue Disease-associated Pulmonary Arterial Hypertension - CATALYST

NCT02657356
View directory record Official record
Conditions
Connective Tissue Disease-Associated Pulmonary Arterial Hypertension
Interventions
Placebo capsules, Bardoxolone methyl capsules
Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 75 Years
Enrollment
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
37
States / cities
Phoenix, Arizona • Beverly Hills, California • Fresno, California + 30 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Oct 10, 2026, 11:38 PM EDT
Completed Phase 2 Interventional

Two-Part Dose-Confirming Study of Pulsed Inhaled Nitric Oxide in Subjects With WHO Group 3 Pulmonary Hypertension Associated With COPD

NCT01728220
View directory record Official record
Conditions
Pulmonary Hypertension, Chronic Obstructive Pulmonary Disease
Interventions
Inhaled NO delivered via INOpulse DS-C Device, Placebo delivered via INOpulse DS-C Device
Combination Product
Lead sponsor
Bellerophon Pulse Technologies
Industry
Eligibility
40 Years to 80 Years
Enrollment
159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
43
States / cities
Jasper, Alabama • Flagstaff, Arizona • Phoenix, Arizona + 35 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2023 · Synced Oct 10, 2026, 11:38 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Tadalafil for Sarcoidosis Associated Pulmonary Hypertension

NCT01324999
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Tadalafil
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
2
States / cities
Chapel Hill, North Carolina • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 24, 2017 · Synced Oct 10, 2026, 11:38 PM EDT
Terminated Phase 2 Interventional Results available

Hemodynamic and Echocardiographic Assessment of Riociguat Effects on Myocardial Wall Contractility and Relaxation Kinetics

NCT01065051
View directory record Official record
Conditions
Hypertension, Pulmonary, Ventricular Dysfunction, Left
Interventions
Riociguat (Adempas, BAY63-2521), Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
2
States / cities
Boston, Massachusetts • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 6, 2014 · Synced Oct 10, 2026, 11:38 PM EDT
Terminated Phase 3 Interventional Results available

Open-label Extension of Oral Treprostinil in Subjects With PH Associated With HFpEF

NCT03043651
View directory record Official record
Conditions
Pulmonary Hypertension Associated With HFpEF
Interventions
Oral treprostinil
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 85 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
82
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 66 more
Source: ClinicalTrials.gov public record
Updated Oct 22, 2020 · Synced Oct 10, 2026, 11:38 PM EDT
Recruiting Phase 3 Interventional

An Open-Label Extension Study of Treprostinil Palmitil Inhalation Powder (TPIP) in Participants With Pulmonary Hypertension Associated With Interstitial Lung Disease (PH-ILD)

NCT07234032
View directory record Official record
Conditions
Pulmonary Hypertension, Interstitial Lung Disease
Interventions
Treprostinil Palmitil Inhalation Powder, Placebo
Drug
Lead sponsor
Insmed Incorporated
Industry
Eligibility
18 Years and older
Enrollment
344 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
2
States / cities
Naples, Florida • Bend, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Oct 10, 2026, 11:38 PM EDT
Completed No phase listed Observational

Epidemiology and Pathogenesis of HIV-Associated Pulmonary Hypertension

NCT00845013
View directory record Official record
Conditions
HIV Infection, Pulmonary Hypertension, Endothelial Function, HIV Infections
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
365 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 10, 2021 · Synced Oct 10, 2026, 11:38 PM EDT
Completed Phase 4 Interventional Results available

Study of Ranolazine in the Treatment of Pulmonary Hypertension Associated With Diastolic Left Ventricular Dysfunction

NCT02133352
View directory record Official record
Conditions
Pulmonary Hypertension, Diastolic Left Ventricular Dysfunction
Interventions
Ranolazine
Drug
Lead sponsor
Boston University
Other
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 17, 2017 · Synced Oct 10, 2026, 11:38 PM EDT
Active, not recruiting Phase 2 Interventional

Oral Ifetroban to Treat Diffuse Cutaneous Systemic Sclerosis (SSc) or SSc-associated Pulmonary Arterial Hypertension

NCT02682511
View directory record Official record
Conditions
Scleroderma, Diffuse, Scleroderma, Systemic, Scleroderma, Limited, Sclerosis, Progressive Systemic, Skin Diseases, Connective Tissue Diseases, Pathologic Processes, Autoimmune Diseases
Interventions
Oral Ifetroban, Oral Placebo
Drug
Lead sponsor
Cumberland Pharmaceuticals
Industry
Eligibility
18 Years to 80 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
10
States / cities
Tucson, Arizona • Los Angeles, California • Weston, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 10, 2026, 11:38 PM EDT
Terminated Phase 1 Interventional Results available

Dimethyl Fumarate (DMF) in Systemic Sclerosis-Associated Pulmonary Arterial Hypertension

NCT02981082
View directory record Official record
Conditions
Systemic Sclerosis, Pulmonary; Hypertension
Interventions
Dimethyl Fumarate (DMF), Placebo Oral Tablet
Drug
Lead sponsor
Robert Lafyatis
Other
Eligibility
18 Years to 80 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
4
States / cities
Denver, Colorado • Baltimore, Maryland • Boston, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 17, 2022 · Synced Oct 10, 2026, 11:38 PM EDT