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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Pulmonary Artery Hypertension Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Does Sildenafil Increase Exercise Performance in Air Pollution?

NCT00808912
View directory record Official record
Conditions
Pulmonary Hypertension, Pulmonary Artery Pressure, Exercise Performance, Air Pollution
Interventions
sildenafil, placebo
Drug · Other
Lead sponsor
Marywood University
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Scranton, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 22, 2010 · Synced Jun 10, 2026, 1:55 AM EDT
Completed No phase listed Observational

REVEAL Registry™: Registry to Evaluate Early And Long-term PAH Disease Management

NCT00370214
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Not listed
Lead sponsor
Actelion
Industry
Eligibility
3 Months and older
Enrollment
3,515 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
54
States / cities
Birmingham, Alabama • Tucson, Arizona • La Jolla, California + 39 more
Source: ClinicalTrials.gov public record
Updated May 16, 2013 · Synced Jun 10, 2026, 1:55 AM EDT
Completed Phase 2 Interventional

Trial of Iloprost Inhaled Solution as Add-On Therapy With Bosentan in Subjects With Pulmonary Arterial Hypertension (PAH)

NCT00086463
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Ayerza Syndrome, Pulmonary Hypertension
Interventions
Iloprost or placebo
Drug
Lead sponsor
Actelion
Industry
Eligibility
12 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
17
States / cities
Birmingham, Alabama • La Jolla, California • Palo Alto, California + 13 more
Source: ClinicalTrials.gov public record
Updated Mar 31, 2011 · Synced Jun 10, 2026, 1:55 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Oral UT-15C Tablets to Treat Pulmonary Arterial Hypertension

NCT00887978
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
UT-15C SR, Placebo
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
310 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
40
States / cities
Birmingham, Alabama • Phoenix, Arizona • Fresno, California + 33 more
Source: ClinicalTrials.gov public record
Updated Jan 14, 2013 · Synced Jun 10, 2026, 1:55 AM EDT
Completed Phase 2 Interventional Results available

Extension of BPS-MR-PAH-203 in Pulmonary Arterial Hypertension (PAH) Patients

NCT00990314
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
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
6
States / cities
Torrance, California • Oakbrook Terrace, Illinois • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2019 · Synced Jun 10, 2026, 1:55 AM EDT
Completed Phase 3 Interventional

Study to Assess the Longterm Safety of Sildenafil Citrate in Patients With Pulmonary Arterial Hypertension

NCT00159887
View directory record Official record
Conditions
Pulmonary 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
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
24
States / cities
Birmingham, Alabama • La Jolla, California • Los Angeles, California + 13 more
Source: ClinicalTrials.gov public record
Updated Jan 31, 2021 · Synced Jun 10, 2026, 1:55 AM EDT
Completed No phase listed Observational Results available

A Study to Assess the Safety and Efficacy of Treprostinil to Facilitate Liver Transplantation in Patients With Portopulmonary Hypertension

NCT01028651
View directory record Official record
Conditions
Portopulmonary Hypertension, Pulmonary Arterial Hypertension, Pulmonary Hypertension
Interventions
Treprostinil
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
Not listed
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
4
States / cities
Los Angeles, California • Atlanta, Georgia • Boston, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 23, 2017 · Synced Jun 10, 2026, 1:55 AM EDT
Completed Phase 2 Interventional Results available

Effect of iNO on Invasively Derived Pulmonary Pressures in Patients With PAH

NCT02734953
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Nitric Oxide
Drug
Lead sponsor
Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute)
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 23, 2018 · Synced Jun 10, 2026, 1:55 AM EDT
Active, not recruiting Phase 3 Interventional

Open-label Extension Study of Seralutinib in Adult Subjects With PAH (PROSERA-EXT)

NCT06274801
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Seralutinib, Gereic Dry Powder Inhaler
Drug · Device
Lead sponsor
GB002, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
316 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
33
States / cities
Fresno, California • Los Angeles, California • Sacramento, California + 26 more
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Jun 10, 2026, 1:55 AM EDT
Completed Phase 2 Interventional Results available

A Study of Rodatristat Ethyl in Patients With Pulmonary Arterial Hypertension (Core OLE)

NCT04712669
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
rodatristat ethyl 300 mg tablet BID, rodatristat ethyl 600 mg BID, Placebo
Drug
Lead sponsor
Altavant Sciences GmbH
Industry
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
28
States / cities
Phoenix, Arizona • La Jolla, California • Los Angeles, California + 23 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2025 · Synced Jun 10, 2026, 1:55 AM EDT
Completed Phase 1 Interventional

Endothelial Cell Dysfunction in Pulmonary Hypertension

NCT00098072
View directory record Official record
Conditions
Secondary Pulmonary Arterial Hypertension
Interventions
Heart Catheterization
Procedure
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 100 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Jun 10, 2026, 1:55 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 20, 2023 · Synced Jun 10, 2026, 1:55 AM 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 21, 2020 · Synced Jun 10, 2026, 1:55 AM EDT
Completed Phase 3 Interventional

PHIRST-1: Tadalafil in the Treatment of Pulmonary Arterial Hypertension

NCT00125918
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
tadalafil, placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
12 Years and older
Enrollment
406 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
3
States / cities
Tucson, Arizona • Minneapolis, Minnesota • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 20, 2008 · Synced Jun 10, 2026, 1:55 AM EDT
Completed Not applicable Interventional

Oral Iron Supplementation in Pulmonary Hypertension

NCT01446848
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
iron supplement
Dietary Supplement
Lead sponsor
The Cleveland Clinic
Other
Eligibility
21 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 11, 2014 · Synced Jun 10, 2026, 1:55 AM EDT
Completed Phase 3 Interventional Results available

FUTURE 3 Study Extension

NCT01338415
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Bosentan
Drug
Lead sponsor
Actelion
Industry
Eligibility
3 Months to 12 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2020
U.S. locations
3
States / cities
Aurora, Colorado • Washington D.C., District of Columbia • New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 29, 2025 · Synced Jun 10, 2026, 1:55 AM EDT
Terminated Phase 4 Interventional

Transitioning To IV Remodulin From Ventavis in Patients With PAH: Safety, Efficacy and Treatment Satisfaction

NCT00458042
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
treprostinil sodium
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
2
States / cities
La Jolla, California • San Diego, California
Source: ClinicalTrials.gov public record
Updated Nov 11, 2007 · Synced Jun 10, 2026, 1:55 AM EDT
Terminated Phase 3 Interventional Results available

Study Providing Monotherapy (Sitaxsentan) And Combination Therapy (Sitaxsentan+Sildenafil) To Subjects With Pulmonary Arterial Hypertension (PAH) To Assess Long-Term Safety

NCT00796510
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Pulmonary Hypertension
Interventions
Sitaxsentan, Sitaxsentan and Sildenafil
Drug
Lead sponsor
Pfizer
Industry
Eligibility
16 Years to 80 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Fountain Valley, California
Source: ClinicalTrials.gov public record
Updated Oct 24, 2018 · Synced Jun 10, 2026, 1:55 AM EDT
Terminated Phase 2 Interventional

PRIMEx - A Study of 2 Doses of Oral CXA-10 in Pulmonary Arterial Hypertension (PAH)

NCT03449524
View directory record Official record
Conditions
PAH
Interventions
75mg CXA-10, 150mg CXA-10, Placebo
Drug · Other
Lead sponsor
Complexa, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
40
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 34 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2020 · Synced Jun 10, 2026, 1:55 AM EDT
Enrolling by invitation Phase 3 Interventional

A Study Evaluating the Long-Term Efficacy and Safety of Ralinepag in Subjects With PAH Via an Open-Label Extension

NCT03683186
View directory record Official record
Conditions
PAH, Pulmonary Hypertension, Pulmonary Arterial Hypertension, Hypertension, Connective Tissue Diseases, Familial Primary Pulmonary Hypertension, Vascular Diseases, Cardiovascular Diseases, Hypertension, Pulmonary, Lung Diseases, Respiratory Tract Disease
Interventions
Ralinepag
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
48
States / cities
Phoenix, Arizona • Tucson, Arizona • La Jolla, California + 38 more
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Jun 10, 2026, 1:55 AM EDT
Completed Phase 3 Interventional Results available

The Efficacy and Safety of Initial Triple Versus Initial Dual Oral Combination Therapy in Patients With Newly Diagnosed Pulmonary Arterial Hypertension

NCT02558231
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Macitentan, Tadalafil, Selexipag
Drug
Lead sponsor
Actelion
Industry
Eligibility
18 Years to 75 Years
Enrollment
247 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
20
States / cities
Phoenix, Arizona • La Jolla, California • Los Angeles, California + 15 more
Source: ClinicalTrials.gov public record
Updated Mar 29, 2025 · Synced Jun 10, 2026, 1:55 AM EDT
Not listed Phase 2 Interventional

Comparison of Redo PVI With vs. Without Renal Denervation for Recurrent AF After Initial PVI

NCT01959997
View directory record Official record
Conditions
Atrial Fibrillation, Arterial Hypertension
Interventions
Redo PVI, PVI + RDN
Procedure
Lead sponsor
Meshalkin Research Institute of Pathology of Circulation
Network
Eligibility
18 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Sep 22, 2015 · Synced Jun 10, 2026, 1:55 AM EDT
Completed Phase 3 Interventional Results available

A Study to Assess Whether Macitentan Delays Disease Progression in Children With Pulmonary Arterial Hypertension (PAH)

NCT02932410
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Macitentan, Standard-of-care
Drug · Other
Lead sponsor
Actelion
Industry
Eligibility
1 Month to 17 Years
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
20
States / cities
Phoenix, Arizona • Los Angeles, California • San Francisco, California + 17 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Jun 10, 2026, 1:55 AM EDT
Completed Phase 4 Interventional Results available

Safety, Efficacy and Treatment Satisfaction in Patients With PAH Rapidly Switched From Epoprostenol to Remodulin

NCT00373360
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
treprostinil sodium
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 6, 2013 · Synced Jun 10, 2026, 1:55 AM EDT