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ClinicalTrials.gov public records Last synced Oct 7, 2026, 5:11 AM EDT

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Showing 25–48 of 402 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Pulmonary Artery Hypertension Clear all
Completed Phase 2 Interventional Results available

A Study of Sotatercept for the Treatment of Pulmonary Arterial Hypertension (PAH)

NCT03496207
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Placebo, Sotatercept, SOC
Drug · Other
Lead sponsor
Acceleron Pharma, Inc., a wholly-owned subsidiary of Merck & Co., Inc., Rahway, NJ USA
Industry
Eligibility
18 Years and older
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
12
States / cities
Phoenix, Arizona • Tucson, Arizona • San Francisco, California + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 19, 2023 · Synced Oct 7, 2026, 5:11 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

PET Image in PAH Patients

NCT05452889
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
18F-FGLN PET Imaging, (18F)FPGLU
Diagnostic Test · Drug
Lead sponsor
Stephen Y. Chan
Other
Eligibility
18 Years to 75 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Oct 7, 2026, 5:11 AM EDT
Completed Phase 2 Interventional Results available

Rituximab for Treatment of Systemic Sclerosis-Associated Pulmonary Arterial Hypertension (SSc-PAH)

NCT01086540
View directory record Official record
Conditions
Systemic Sclerosis-Associated PAH
Interventions
Rituximab, Placebo, CMRI, prednisone, methylprednisolone, diphenhydramine, acetaminophen
Biological · Other · Diagnostic Test + 1 more
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 75 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
17
States / cities
Stanford, California • Aurora, Colorado • Iowa City, Iowa + 13 more
Source: ClinicalTrials.gov public record
Updated Feb 21, 2023 · Synced Oct 7, 2026, 5:11 AM EDT
Completed Phase 3 Interventional

Efficacy and Safety of Oral Bosentan in Pulmonary Arterial Hypertension Class II

NCT00091715
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
bosentan, placebo
Drug
Lead sponsor
Actelion
Industry
Eligibility
12 Years and older
Enrollment
185 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
6
States / cities
Birmingham, Alabama • Torrance, California • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2011 · Synced Oct 7, 2026, 5:11 AM EDT
Withdrawn Phase 3 Interventional

Study of PAH Subjects With LTOT Use That Have Demonstrated Improved Exercise Tolerance With the Use of Inhaled Nitric

NCT03602781
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Placebo, iNO
Drug
Lead sponsor
Bellerophon Pulse Technologies
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
2
States / cities
Chicago, Illinois • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 21, 2023 · Synced Oct 7, 2026, 5:11 AM EDT
Completed Phase 2 Interventional Results available

An Open-Label Extension of BPS-MR-PAH-201 in Pulmonary Arterial Hypertension (PAH) Patients

NCT00792571
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Beraprost Sodium Modified Release
Drug
Lead sponsor
Lung Biotechnology PBC
Industry
Eligibility
18 Years to 75 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
3
States / cities
Torrance, California • Pittsburgh, Pennsylvania • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Dec 26, 2019 · Synced Oct 7, 2026, 5:11 AM EDT
Not listed No phase listed Observational

Assessment of the TGF-beta Pathway and Micro-RNA in Pediatric Pulmonary Arterial Hypertension

NCT04489251
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Protein Elisa analysis, microRNA analysis, whole exome sequencing
Diagnostic Test
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
2 Years to 17 Years
Enrollment
40 participants
Timeline
2020 – 2023
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 22, 2021 · Synced Oct 7, 2026, 5:11 AM EDT
Terminated No phase listed Observational

Cardiac Metabolic Remodeling After Pulmonary Vasodilator Therapy in Pulmonary Arterial Hypertension: A Pilot Study

NCT04090866
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Right-Sided Heart Failure
Interventions
PET/MRI
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 75 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 27, 2020 · Synced Oct 7, 2026, 5:11 AM EDT
Terminated Phase 2 Interventional Results available

Insulin Resistance in Pulmonary Arterial Hypertension

NCT00825266
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
bosentan, Pioglitazone
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 75 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 31, 2017 · Synced Oct 7, 2026, 5:11 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

A Prospective Longitudinal Observational Cohort Study of Pregnant Women Residing at High Altitude in Bolivia

NCT07312227
View directory record Official record
Conditions
Hypertensive Disorder of Pregnancy, Pulmonary Arterial Hypertension, Intrauterine Growth Restriction
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Oct 7, 2026, 5:11 AM EDT
Not yet recruiting No phase listed Observational

Reverse Remodeling of the Pulmonary Vasculature: a Longitudinal, Investigational Study of the Effects of Sotatercept.

NCT07487441
View directory record Official record
Conditions
Pulmonary Arterial Hypertension (PAH), Pulmonary Hypertension
Interventions
Not listed
Lead sponsor
Franz Rischard, DO
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Oct 7, 2026, 5:11 AM 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 7, 2026, 5:11 AM 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 7, 2026, 5:11 AM EDT
Completed Phase 2 Interventional

Compassionate Use of Beraprost Sodium 314d Modified Release for Patients With Pulmonary Arterial Hypertension (PAH)

NCT01966302
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
BPS-314d-MR
Drug
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Oct 20, 2020 · Synced Oct 7, 2026, 5:11 AM EDT
Completed Phase 2 Interventional

A Study to Evaluate the Efficacy, Safety and Pharmacokinetics of Treprostinil Palmitil Inhalation Powder in Participants With Pulmonary Arterial Hypertension

NCT05147805
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Treprostinil Palmitil, Placebo
Drug
Lead sponsor
Insmed Incorporated
Industry
Eligibility
18 Years to 75 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
21
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Tucson, Arizona + 16 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Oct 7, 2026, 5:11 AM EDT
Recruiting Phase 3 Interventional

PAH Exercise Study

NCT06941441
View directory record Official record
Conditions
Pulmonary Arterial Hypertension (PAH), Exercise Therapy
Interventions
Home exercise program
Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 23, 2025 · Synced Oct 7, 2026, 5:11 AM EDT
Completed No phase listed Observational

Retrospective Chart Review of First-time Opsumit® (Macitentan) Users in the United States

NCT03197688
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Notapplicable
Other
Lead sponsor
Actelion
Industry
Eligibility
Not listed
Enrollment
2,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
105
States / cities
Phoenix, Arizona • La Jolla, California • Loma Linda, California + 89 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 7, 2026, 5:11 AM EDT
Terminated Phase 3 Interventional Results available

Clinical Study of Pulsed, Inhaled Nitric Oxide Versus Placebo in Symptomatic Subjects With PAH

NCT02725372
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Inhaled Nitric Oxide 75 mcg/kg IBW/hr, Placebo
Drug
Lead sponsor
Bellerophon Pulse Technologies
Industry
Eligibility
18 Years to 85 Years
Enrollment
207 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
37
States / cities
Phoenix, Arizona • Tucson, Arizona • Beverly Hills, California + 33 more
Source: ClinicalTrials.gov public record
Updated Feb 21, 2023 · Synced Oct 7, 2026, 5:11 AM EDT
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 7, 2026, 5:11 AM EDT
Terminated Phase 2 Interventional Results available

A Research Study To Assess The Effectiveness And Safety Of Different Doses Of Oral PF-00489791 In The Treatment Of Adult Patients With Pulmonary Arterial Hypertension

NCT00853112
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
PF-00489791, placebo, sildenafil
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
8
States / cities
Phoenix, Arizona • Gainesville, Florida • Omaha, Nebraska + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 24, 2017 · Synced Oct 7, 2026, 5:11 AM EDT
Completed Phase 3 Interventional Results available

Investigation of the Safety and Pharmacology of Dry Powder Inhalation of Treprostinil

NCT03399604
View directory record Official record
Conditions
Primary Pulmonary Hypertension
Interventions
LIQ861 Inhaled Treprostinil
Drug
Lead sponsor
Liquidia Technologies, Inc.
Industry
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
38
States / cities
Phoenix, Arizona • Los Angeles, California • Sacramento, California + 30 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2024 · Synced Oct 7, 2026, 5:11 AM 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 7, 2026, 5:11 AM EDT
Completed Phase 4 Interventional

Characterization of LV Strain Patterns in Mildly Elevated PCWP and PAH.

NCT01800292
View directory record Official record
Conditions
Hypertension, Pulmonary Artery, Ventricular Dysfunction, Left
Interventions
sildenafil
Drug
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 80 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 4, 2015 · Synced Oct 7, 2026, 5:11 AM EDT
Completed Phase 2 Interventional Results available

Estrogen Receptor Antagonist in Patients With Pulmonary Arterial Hypertension

NCT02911844
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Fulvestrant
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Female only
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 9, 2019 · Synced Oct 7, 2026, 5:11 AM EDT