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ClinicalTrials.gov public records Last synced Oct 21, 2026, 10:11 PM EDT

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Showing 1–24 of 402 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: PAH Clear all
Completed Phase 3 Interventional

Phase III Randomized Study of UT-15 in Patients With Primary Pulmonary Hypertension

NCT00004497
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
UT-15
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
8 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2000
U.S. locations
7
States / cities
Torrance, California • Chicago, Illinois • Baltimore, Maryland + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 25, 2015 · Synced Oct 21, 2026, 10:11 PM EDT
Completed Phase 2 Interventional Results available

Bardoxolone Methyl Evaluation in Patients With Pulmonary Hypertension (PH) - LARIAT

NCT02036970
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Pulmonary Hypertension, Interstitial Lung Disease, Idiopathic Interstitial Pneumonia, Idiopathic Pulmonary Fibrosis, Sarcoidosis, Respiratory Bronchiolitis Associated Interstitial Lung Disease, Desquamative Interstitial Pneumonia, Cryptogenic Organizing Pneumonia, Acute Interstitial Pneumonitis, Idiopathic Lymphoid Interstitial Pneumonia, Idiopathic Pleuroparenchymal Fibroelastosis
Interventions
Bardoxolone methyl, Placebo
Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 75 Years
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
30
States / cities
Phoenix, Arizona • Beverly Hills, California • Los Angeles, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2025 · Synced Oct 21, 2026, 10:11 PM EDT
Completed Phase 2 Interventional

Study in Subjects With PAH and PH Secondary to IPF Using Inhaled GeNOsyl.

NCT01265888
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Idiopathic Pulmonary Fibrosis
Interventions
Inhaled Nitric Oxide
Drug
Lead sponsor
Geno LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
10
States / cities
Birmingham, Alabama • Los Angeles, California • Sacramento, California + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 19, 2016 · Synced Oct 21, 2026, 10:11 PM EDT
Terminated Phase 4 Interventional Results available

To Assess The Efficacy and Safety Of Oral Sildenafil in the Treatment of Pulmonary Arterial Hypertension.

NCT00430716
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Sildenafil citrate
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
15
States / cities
Phoenix, Arizona • Augusta, Georgia • Decatur, Georgia + 7 more
Source: ClinicalTrials.gov public record
Updated Dec 22, 2020 · Synced Oct 21, 2026, 10:11 PM EDT
Not listed No phase listed Observational

Assessing the Utility of Submaximal CPET in Treatment Management of PAH

NCT05977933
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Shape II CPET
Device
Lead sponsor
Shape Medical Systems, Inc.
Industry
Eligibility
21 Years and older
Enrollment
550 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
6
States / cities
Torrance, California • Denver, Colorado • Jacksonville, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 13, 2024 · Synced Oct 21, 2026, 10:11 PM EDT
Completed Phase 2 Interventional Results available

Selonsertib in Adults With Pulmonary Arterial Hypertension

NCT02234141
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Placebo, Selonsertib
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 75 Years
Enrollment
151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
24
States / cities
Mobile, Alabama • Phoenix, Arizona • Tucson, Arizona + 18 more
Source: ClinicalTrials.gov public record
Updated Apr 10, 2019 · Synced Oct 21, 2026, 10:11 PM EDT
Active, not recruiting Phase 1 Interventional

Microbiota Transplant With Antibiotic Preconditioning and Fiber Supplementation in PAH.

NCT07751120
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
MTT with antibiotic preconditioning + fiber supplementation, MTT with antibiotic preconditioning + placebo supplementation, MTT with placebo + placebo supplementation.
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 21, 2026, 10:11 PM EDT
Completed No phase listed Observational

A Study to Learn About How Well Riociguat Works, How Safe it is and How it is Used Under Real World Conditions in Patients in the United States Who Are Receiving Riociguat for High Blood Pressure in the Arteries That Carry Blood From the Heart to the Lungs (Pulmonary Arterial Hypertension, PAH)

NCT04813926
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Riociguat (Adempas, BAY63-2521)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
49
States / cities
Phoenix, Arizona • Tucson, Arizona • Fresno, California + 38 more
Source: ClinicalTrials.gov public record
Updated Feb 10, 2025 · Synced Oct 21, 2026, 10:11 PM EDT
Terminated Phase 2 Interventional Results available

A Study of Treprostinil Palmitil Inhalation Powder (TPIP) In Pulmonary Arterial Hypertension (PAH)

NCT04791514
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Treprostinil Palmitil
Drug
Lead sponsor
Insmed Incorporated
Industry
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 22, 2023 · Synced Oct 21, 2026, 10:11 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 21, 2026, 10:11 PM EDT
Completed Phase 3 Interventional

Mono vs. Dual Therapy for Pediatric Pulmonary Arterial Hypertension

NCT04039464
View directory record Official record
Conditions
Pediatric Pulmonary Hypertension
Interventions
Mono-Therapy with Sildenafil, Duo-Therapy with Sildenafil + Bosentan
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
3 Months to 18 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
10
States / cities
Aurora, Colorado • St. Petersburg, Florida • Baltimore, Maryland + 7 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Oct 21, 2026, 10:11 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Observational Study of Actigraphy in Pediatric Pulmonary Arterial Hypertension

NCT04745000
View directory record Official record
Conditions
Hypertension;Pulmonary;Primary
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
Up to 6 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 10, 2023 · Synced Oct 21, 2026, 10:11 PM EDT
Completed Phase 3 Interventional Results available

An Open-Label Extension Trial of UT-15C Sustained-release (SR) in Subjects With Pulmonary Arterial Hypertension

NCT01027949
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Oral Treprostinil
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
12 Years and older
Enrollment
894 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2020
U.S. locations
61
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 46 more
Source: ClinicalTrials.gov public record
Updated May 10, 2021 · Synced Oct 21, 2026, 10:11 PM EDT
Completed No phase listed Observational

Modulating Effects of Lisinopril on Sildenafil Activity in Pulmonary Arterial Hypertension(PAH)( MELISSA)

NCT01181284
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 7, 2012 · Synced Oct 21, 2026, 10:11 PM EDT
Withdrawn Not applicable Interventional

FDG Uptake and Lung Blood Flow in PAH Before and After Treatment With Ambrisentan

NCT02958358
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
CT imaging, functional PET imaging
Other
Lead sponsor
Robert Scott Harris, M.D.
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 15, 2016 · Synced Oct 21, 2026, 10:11 PM EDT
Completed Phase 2 Interventional Results available

Long-term Ambrisentan Extension Study for Pediatric Patients Who Participated in AMB112529

NCT01342952
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
Ambrisentan
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
8 Years to 18 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2022
U.S. locations
4
States / cities
Aurora, Colorado • Boston, Massachusetts • Ann Arbor, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 30, 2022 · Synced Oct 21, 2026, 10:11 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 21, 2026, 10:11 PM EDT
Terminated No phase listed Observational

Reversible Secondary Myelofibrosis or Clonal Myeloproliferative Disorder

NCT00722254
View directory record Official record
Conditions
Primary Myelofibrosis, Primary Pulmonary Hypertension, Secondary Myelofibrosis, Pulmonary Arterial Hypertension
Interventions
Not listed
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
2
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 21, 2016 · Synced Oct 21, 2026, 10:11 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of Single and Multiple Doses of Different Formulations of a Prostacyclin Receptor Agonist

NCT05427162
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Prostacyclin Receptor Agonist
Drug
Lead sponsor
Actelion
Industry
Eligibility
18 Years to 55 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 21, 2026, 10:11 PM EDT
Completed Phase 3 Interventional

ARIES - Ambrisentan in Patients With Moderate to Severe Pulmonary Arterial Hypertension (PAH)

NCT00091598
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Ambrisentan
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
372 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
44
States / cities
Phoenix, Arizona • Los Angeles, California • Sacramento, California + 36 more
Source: ClinicalTrials.gov public record
Updated Mar 8, 2010 · Synced Oct 21, 2026, 10:11 PM EDT
Completed No phase listed Observational

Qualitative Research to Explore Treatment Preference in Pulmonary Arterial Hypertension (PAH) Subjects

NCT03304548
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
Telephone concept elicitation interview
Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 2, 2019 · Synced Oct 21, 2026, 10:11 PM EDT
Completed No phase listed Observational

Study Of Right Ventricular Performance In PAH Patients Treated With Rapid Dose Treprostinil (Remodulin)

NCT02074449
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Not listed
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 17, 2016 · Synced Oct 21, 2026, 10:11 PM EDT
Completed Phase 3 Interventional Results available

A Study of Tadalafil in Pediatric Participants With Pulmonary Arterial Hypertension (PAH)

NCT01824290
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
Tadalafil, Placebo, ERA as specific PAH treatment
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
6 Months to 17 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
7
States / cities
Atlanta, Georgia • Detroit, Michigan • Cincinnati, Ohio + 4 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2021 · Synced Oct 21, 2026, 10:11 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Angiotensin Converting Enzyme (ACE2), Brain, Gut Dysbiosis in Pulmonary Hypertension

NCT04104490
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Not listed
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 27, 2022 · Synced Oct 21, 2026, 10:11 PM EDT