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

Multiple-Ascending Dose in Japanese Patients Bridging Study

NCT05065359
View directory record Official record
Conditions
Healthy
Interventions
Rodatristat Ethyl 300 mg BID, Rodatristat Ethyl 600 mg BID, Placebo
Drug
Lead sponsor
Altavant Sciences GmbH
Industry
Eligibility
18 Years to 55 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Glendale, California
Source: ClinicalTrials.gov public record
Updated Jul 12, 2022 · Synced Sep 4, 2026, 2:16 AM EDT
Completed Phase 3 Interventional Results available

A Study of Sotatercept for the Treatment of Pulmonary Arterial Hypertension (MK-7962-003/A011-11)(STELLAR)

NCT04576988
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Sotatercept, Placebo, Background PAH Therapy
Biological · Drug
Lead sponsor
Acceleron Pharma, Inc., a wholly-owned subsidiary of Merck & Co., Inc., Rahway, NJ USA
Industry
Eligibility
18 Years and older
Enrollment
324 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
39
States / cities
Phoenix, Arizona • Tucson, Arizona • San Diego, California + 32 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 4, 2026, 2:16 AM EDT
Recruiting No phase listed Observational

Pulmonary Hypertension Biorepository and Registry

NCT04808596
View directory record Official record
Conditions
Pulmonary Hypertension, Pulmonary Arterial Hypertension, Pulmonary Hypertension Due to Left Heart Disease, Pulmonary Hypertension, Primary, Pulmonary Hypertension Due to Lung Diseases and Hypoxia, Pulmonary Hypertension, Primary, 4, Pulmonary Hypertension, Primary, 2, Pulmonary Hypertension, Primary, 3, Chronic Thromboembolic Pulmonary Hypertension
Interventions
Not listed
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
300 participants
Timeline
2020 – 2027
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 31, 2025 · Synced Sep 4, 2026, 2:16 AM 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 9, 2019 · Synced Sep 4, 2026, 2:16 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 Sep 4, 2026, 2:16 AM EDT
Completed No phase listed Observational

Correlation OF Hemodynamics in Pulmonary Hypertension With Perfusion Lung Scans

NCT00621075
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Pulmonary Arterial Hypertension - Lung Perfusion Scans
Other
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Mar 8, 2010 · Synced Sep 4, 2026, 2:16 AM EDT
Completed Phase 2 Interventional Results available

Dose-response Study of the Safety and Efficacy of Beraprost Sodium Modified Release (BPS-MR) in Patients With Pulmonary Arterial Hypertension (PAH)

NCT00989963
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
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
6
States / cities
Torrance, California • Naperville, Illinois • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 29, 2020 · Synced Sep 4, 2026, 2:16 AM EDT
Completed Phase 2 Interventional

A Clinical Study of Sotatercept (MK-7962) in People With Pulmonary Arterial Hypertension (PAH) (MK-7962-024)

NCT06664801
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Sotatercept, Background PAH Therapy
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
9
States / cities
Phoenix, Arizona • Aurora, Colorado • Indianapolis, Indiana + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced Sep 4, 2026, 2:16 AM EDT
Terminated Phase 2 Interventional Results available

Study of Efficacy and Safety of LTP001 in Pulmonary Arterial Hypertension

NCT05135000
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
LTP001, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 75 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Mesa, Arizona • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Sep 4, 2026, 2:16 AM EDT
Completed Phase 2 Interventional

Study of BSF 208075 Evaluating Exercise Capacity in Patients With Pulmonary Arterial Hypertension

NCT00046319
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
BSF 208075
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
15
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2009 · Synced Sep 4, 2026, 2:16 AM EDT
Active, not recruiting Phase 3 Interventional Results available

A Study of Selexipag as Add-On Treatment to Standard of Care in Children With Pulmonary Arterial Hypertension

NCT04175600
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
Selexipag, Placebo, Standard of Care (SOC): Endothelin receptor antagonist, SOC: Phosphodiesterase type 5 (PDE-5) inhibitor, SOC: Soluble guanylate cyclase stimulator
Drug
Lead sponsor
Actelion
Industry
Eligibility
2 Years to 17 Years
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
13
States / cities
Phoenix, Arizona • Los Angeles, California • San Francisco, California + 10 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 4, 2026, 2:16 AM EDT
Completed Phase 1 Interventional

Microbiota Transplant Therapy for Pulmonary Arterial Hypertension: Early Safety and Feasibility Study

NCT04884971
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Intestinal microbiota transplant (IMT)
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 75 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 11, 2024 · Synced Sep 4, 2026, 2:16 AM EDT
Not yet recruiting Phase 1Phase 2 Interventional

Neuromodulation in Patients With Pulmonary Arterial Hypertension

NCT06802380
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Low-level tragus stimulation, Sham stimulation
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 90 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced Sep 4, 2026, 2:16 AM EDT
Withdrawn Phase 1 Interventional

A Study of Stellate Ganglion Block and / or Reserpine in Group 2 Pulmonary Hypertension

NCT02684786
View directory record Official record
Conditions
Pulmonary Artery Hypertension
Interventions
reserpine, stellate ganglion block, lidocaine
Drug · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 100 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 21, 2019 · Synced Sep 4, 2026, 2:16 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Esomeprazole on the Pharmacokinetics of Oral Treprostinil

NCT00963027
View directory record Official record
Conditions
Hypertension, Pulmonary, Pulmonary Arterial Hypertension
Interventions
Treprostinil diethanolamine, Esomeprazole
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Mar 7, 2010 · Synced Sep 4, 2026, 2:16 AM EDT
Not yet recruiting Phase 4 Interventional

A Study of Inhaled Treprostinil (LIQ861) in Adults With Pulmonary Arterial Hypertension Transitioning From Oral Selexipag

NCT07759804
View directory record Official record
Conditions
Pulmonary Arterial Hypertension (PAH)
Interventions
LIQ861 (treprostinil) inhalation powder
Combination Product
Lead sponsor
Liquidia Technologies, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Columbus, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 4, 2026, 2:16 AM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Safety and Efficacy of Phenoptin™ in Subjects With Phenylketonuria Who Have Elevated Phenylalanine Levels

NCT00104247
View directory record Official record
Conditions
Phenylketonurias
Interventions
sapropterin dihydrochloride, 6R-BH4, tetrahydrobiopterin
Drug
Lead sponsor
BioMarin Pharmaceutical
Industry
Eligibility
8 Years and older
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
13
States / cities
Los Angeles, California • Oakland, California • New Haven, Connecticut + 10 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2014 · Synced Sep 4, 2026, 2:16 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 23, 2017 · Synced Sep 4, 2026, 2:16 AM EDT
Completed Phase 4 Interventional Results available

Safety Evaluation of Inhaled Treprostinil Administration Following Transition From Inhaled Ventavis in Pulmonary Arterial Hypertension (PAH) Subjects

NCT00741819
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Inhaled treprostinil
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
15
States / cities
Birmingham, Alabama • La Jolla, California • Los Angeles, California + 9 more
Source: ClinicalTrials.gov public record
Updated Feb 19, 2013 · Synced Sep 4, 2026, 2:16 AM EDT
Withdrawn Phase 1Phase 2 Interventional

Carbon Monoxide Therapy for Severe Pulmonary Arterial Hypertension

NCT01523548
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
Carbon Monoxide
Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 8, 2017 · Synced Sep 4, 2026, 2:16 AM EDT
Terminated Phase 3 Interventional Results available

Study Looking at Combination Therapy (Sitaxsentan+Sildenafil) Vs. Monotherapy (Sitaxsentan Alone) SR-PAAS -Sitaxsentan Efficacy And Safety Trial With A Randomized Prospective Assessment Of Adding Sildenafil

NCT00796666
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
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
12
States / cities
Fountain Valley, California • Gainesville, Florida • Weston, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 23, 2015 · Synced Sep 4, 2026, 2:16 AM EDT
Terminated Phase 2 Interventional Results available

A Study to Investigate the Safety and Efficacy of KER-012 in Combination With Background Therapy in Adult Participants With Pulmonary Arterial Hypertension (PAH) (TROPOS Study).

NCT05975905
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Dose A KER-012, Dose B KER-012, Dose C KER-012, Placebo for 24 Weeks followed by Dose B KER-012 for 72 weeks
Biological
Lead sponsor
Keros Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
16
States / cities
Scottsdale, Arizona • Tucson, Arizona • Stanford, California + 12 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 4, 2026, 2:16 AM EDT
Not listed Phase 1 Interventional

A Study of GMA301 in Subjects With Pulmonary Arterial Hypertension

NCT04503733
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Q4W GMA301 IV injections (300 mg), Q4W GMA301 IV injections (600 mg), Q4W GMA301 IV injections (1000 mg), Q4W GMA301 IV injections (1800 mg), Q4W placebo IV injections
Drug · Other
Lead sponsor
Gmax Biopharm LLC.
Industry
Eligibility
18 Years to 75 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 13, 2022 · Synced Sep 4, 2026, 2:16 AM EDT
Completed No phase listed Observational

HRV as a Marker of Treatment Response in PAH Arterial Hypertension

NCT04451850
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Noninvasive actigraphy monitor
Other
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 29, 2025 · Synced Sep 4, 2026, 2:16 AM EDT