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ClinicalTrials.gov public records Last synced Oct 9, 2026, 9:57 AM EDT

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Showing 25–48 of 376 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Pulmonary Arterial Hypertension PAH Clear all
Completed No phase listed Observational Results available

Patient Global Impression Questions for Activity-Induced Symptoms in Participants With PAH

NCT03888365
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Treprostinil, Non-Treprostinil PAH Medications
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
43 participants
Timeline
2019
U.S. locations
10
States / cities
Birmingham, Alabama • Beverly Hills, California • Santa Barbara, California + 7 more
Source: ClinicalTrials.gov public record
Updated Mar 16, 2021 · Synced Oct 9, 2026, 9:57 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 9, 2026, 9:57 AM EDT
Not listed No phase listed Observational

Non-invasive Pulmonary Artery Prediction

NCT05622695
View directory record Official record
Conditions
Heart Failure, Pulmonary Arterial Hypertension
Interventions
catheterization
Device
Lead sponsor
Silverleaf Medical Sciences INC
Industry
Eligibility
20 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 21, 2022 · Synced Oct 9, 2026, 9:57 AM EDT
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 13, 2022 · Synced Oct 9, 2026, 9:57 AM EDT
Active, not recruiting Not applicable Interventional Results available

DelIVery for Pulmonary Arterial Hypertension (PAH) & Continued Support Study

NCT01321073
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Model 10642 Implantable Intravascular Catheter
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2032
U.S. locations
8
States / cities
Birmingham, Alabama • Los Angeles, California • Orlando, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 26, 2026 · Synced Oct 9, 2026, 9:57 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Safety and Efficacy of Imatinib Mesylate in Patients With Pulmonary Arterial Hypertension

NCT00477269
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Imatinib mesylate, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
3
States / cities
Los Angeles, California • Newark, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 23, 2015 · Synced Oct 9, 2026, 9:57 AM EDT
Terminated Phase 2 Interventional

Study of Cicletanine for Pulmonary Arterial Hypertension (PAH)

NCT00832507
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Cicletanine, Cicletanine Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
16 Years to 70 Years
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
39
States / cities
Mobile, Alabama • Phoenix, Arizona • Los Angeles, California + 29 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2014 · Synced Oct 9, 2026, 9:57 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 30, 2025 · Synced Oct 9, 2026, 9:57 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Natural History Study of Biomarkers in Pulmonary Arterial Hypertension

NCT01730092
View directory record Official record
Conditions
Pulmonary Disease, Pulmonary Hypertension
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 100 Years
Enrollment
270 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 9, 2026, 9:57 AM EDT
Completed Phase 3 Interventional Results available

The Efficacy and Safety of Sildenafil Citrate Used in Combination With Intravenous Epoprostenol in PAH

NCT00159861
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
16 Years and older
Enrollment
267 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
33
States / cities
La Jolla, California • Los Angeles, California • San Diego, California + 21 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced Oct 9, 2026, 9:57 AM EDT
Terminated Phase 3 Interventional Results available

Sitaxsentan Efficacy And Safety Trial With A Randomized Prospective Assessment Of Adding Sildenafil (SR-PAAS)

NCT00795639
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Pulmonary Hypertension
Interventions
Sitaxsentan, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
16 Years to 80 Years
Enrollment
183 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
32
States / cities
Fountain Valley, California • Mather, California • Sacramento, California + 28 more
Source: ClinicalTrials.gov public record
Updated Mar 24, 2015 · Synced Oct 9, 2026, 9:57 AM EDT
Completed No phase listed Observational

The Expression and Significance of MiRNA

NCT00806312
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Not listed
Lead sponsor
Megan Ballinger
Other
Eligibility
18 Years and older
Enrollment
207 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2018
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 2, 2021 · Synced Oct 9, 2026, 9:57 AM EDT
Completed Phase 2 Interventional Results available

Effects of DHEA in Pulmonary Hypertension

NCT03648385
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
DHEA tablet, Placebo
Drug · Other
Lead sponsor
Rhode Island Hospital
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced Oct 9, 2026, 9:57 AM EDT
Completed Phase 3 Interventional Results available

A Study of Sotatercept in Participants With PAH WHO FC III or FC IV at High Risk of Mortality (MK-7962-006/ZENITH)

NCT04896008
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Sotatercept, Placebo
Drug · Other
Lead sponsor
Acceleron Pharma, Inc., a wholly-owned subsidiary of Merck & Co., Inc., Rahway, NJ USA
Industry
Eligibility
18 Years to 75 Years
Enrollment
173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
26
States / cities
Phoenix, Arizona • Los Angeles, California • Orange, California + 22 more
Source: ClinicalTrials.gov public record
Updated May 29, 2026 · Synced Oct 9, 2026, 9:57 AM EDT
Active, not recruiting Phase 4 Interventional

A Study of a Mean Pulmonary Artery Pressure-Targeted Approach With Early and Rapid Treprostinil Therapy to Reverse Right Ventricular Remodeling in Participants With Pulmonary Arterial Hypertension

NCT05203510
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Parenteral Treprostinil, Oral Treprostinil
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
28
States / cities
Phoenix, Arizona • Fresno, California • Los Angeles, California + 23 more
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Oct 9, 2026, 9:57 AM EDT
Completed Phase 2 Interventional Results available

A Study of Ubenimex in Patients With Pulmonary Arterial Hypertension (WHO Group 1)

NCT02664558
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
ubenimex, placebo
Drug · Other
Lead sponsor
Eiger BioPharmaceuticals
Industry
Eligibility
18 Years to 75 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
28
States / cities
Birmingham, Alabama • Beverly Hills, California • La Jolla, California + 22 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2023 · Synced Oct 9, 2026, 9:57 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

The Role of Endothelin in Pulmonary Hypertension

NCT00759408
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
BQ-123
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 85 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 27, 2018 · Synced Oct 9, 2026, 9:57 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 9, 2026, 9:57 AM EDT
Recruiting Not applicable Interventional

Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia (FETO)

NCT03138863
View directory record Official record
Conditions
Congenital Diaphragmatic Hernia, Pulmonary Hypoplasia, Pulmonary Artery Hypertension
Interventions
BALT GoldbBAL2 Detachable Balloon, Catheter System
Device
Lead sponsor
Rodrigo Ruano
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
2
States / cities
Miami, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Oct 9, 2026, 9:57 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Subcutaneous Elafin in Healthy Subjects

NCT03522935
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Elafin, Placebo
Drug
Lead sponsor
Roham T. Zamanian
Other
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 15, 2024 · Synced Oct 9, 2026, 9:57 AM EDT
Completed Phase 3 Interventional Results available

Clinical Study of Macitentan in Patients With Pulmonary Arterial Hypertension to Psychometrically Validate the PAH-SYMPACT Instrument

NCT01841762
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Macitentan
Drug
Lead sponsor
Actelion
Industry
Eligibility
18 Years and older
Enrollment
284 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
81
States / cities
Birmingham, Alabama • Phoenix, Arizona • Beverly Hills, California + 57 more
Source: ClinicalTrials.gov public record
Updated Feb 26, 2019 · Synced Oct 9, 2026, 9:57 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 21, 2008 · Synced Oct 9, 2026, 9:57 AM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy of APD811 in Pulmonary Arterial Hypertension

NCT02279160
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
APD811, Placebo
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
12
States / cities
Birmingham, Alabama • Los Angeles, California • Sacramento, California + 9 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2020 · Synced Oct 9, 2026, 9:57 AM EDT
Completed No phase listed Observational

Pulmonary Arterial Hypertension Quality Enhancement Research Initiative Extension Program

NCT01389206
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
observational study with patients treated with Tracleer, Ventavis, Veletri, Opsumit and/or Uptravi
Drug
Lead sponsor
Actelion
Industry
Eligibility
18 Years and older
Enrollment
797 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
75
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 63 more
Source: ClinicalTrials.gov public record
Updated Aug 15, 2018 · Synced Oct 9, 2026, 9:57 AM EDT