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ClinicalTrials.gov public records Last synced Oct 22, 2026, 4:02 AM EDT

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Showing 49–72 of 402 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: PAH Clear all
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 16, 2019 · Synced Oct 22, 2026, 4:02 AM EDT
Recruiting Not applicable Interventional

Right Ventricular Pacing in Pulmonary Arterial Hypertension

NCT04194632
View directory record Official record
Conditions
Pulmonary Artery Hypertension, Right Ventricular Dysfunction
Interventions
Temporary right ventricular pacing
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 75 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 22, 2026, 4:02 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Single Ascending Dose Study for Evaluation of Safety, Tolerability and Pharmacokinetics of L606

NCT04041648
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
L606 (Liposomal Treprostinil) Inhalation Solution 51ug, L606 Inhalation System, Placebo Solution
Drug · Device · Other
Lead sponsor
Pharmosa Biopharm Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 5, 2025 · Synced Oct 22, 2026, 4:02 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 22, 2026, 4:02 AM EDT
Completed Phase 3 Interventional Results available

Comparison of Inhaled Nitric Oxide and Oxygen in Participants Reactivity During Acute Pulmonary Vasodilator Testing

NCT00626028
View directory record Official record
Conditions
Idiopathic Pulmonary Arterial Hypertension, Cardiomyopathy
Interventions
Nitric Oxide for inhalation, Oxygen, Nitric Oxide plus Oxygen
Drug
Lead sponsor
Mallinckrodt
Industry
Eligibility
4 Weeks to 18 Years
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
8
States / cities
Stanford, California • Denver, Colorado • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 20, 2019 · Synced Oct 22, 2026, 4:02 AM EDT
Terminated Phase 2 Interventional Results available

Efficacy and Safety of Ambrisentan in Children 8-18yrs

NCT01332331
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
Ambrisentan - low dose, Ambrisentan - high dose
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
8 Years to 18 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
4
States / cities
Aurora, Colorado • Boston, Massachusetts • Ann Arbor, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2019 · Synced Oct 22, 2026, 4:02 AM EDT
Completed Phase 3 Interventional

Safety and Efficacy Study of Sitaxentan Sodium (Thelin™) in Patients With Pulmonary Arterial Hypertension

NCT00080457
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
sitaxsentan sodium
Drug
Lead sponsor
Encysive Pharmaceuticals
Industry
Eligibility
12 Years to 75 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 9, 2007 · Synced Oct 22, 2026, 4:02 AM EDT
Completed No phase listed Observational

The Effects of Drug Candidate CS1 on Lung Structure and Function Utilizing FRI

NCT06907693
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
CT Pulmonary Angiography Scan
Diagnostic Test
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
Not listed
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 22, 2026, 4:02 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 Oct 16, 2026 · Synced Oct 22, 2026, 4:02 AM EDT
Active, not recruiting No phase listed Observational

ADAPT - A Patient Registry of the Real-world Use of Orenitram®

NCT03045029
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Oral treprostinil
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
41
States / cities
Fresno, California • Los Angeles, California • San Juan Capistrano, California + 37 more
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Oct 22, 2026, 4:02 AM EDT
Completed No phase listed Observational Results available

Data Analysis for Drug Repurposing for Effective Alzheimer's Medicines (DREAM) - PDE5

NCT05039086
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
PDE5 inhibitor, Endothelin Receptor Antagonists
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
65 Years and older
Enrollment
13,021 participants
Timeline
2021 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 6, 2025 · Synced Oct 22, 2026, 4:02 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 22, 2026, 4:02 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 9, 2010 · Synced Oct 22, 2026, 4:02 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 22, 2026, 4:02 AM EDT
Completed Phase 2 Interventional

Safety and Effectiveness of PRX-08066 in Patients With Pulmonary Hypertension and Chronic Obstructive Pulmonary Disease

NCT00345774
View directory record Official record
Conditions
Pulmonary Hypertension, Chronic Obstructive Pulmonary Disease
Interventions
PRX-08066
Drug
Lead sponsor
Epix Pharmaceuticals, Inc.
Industry
Eligibility
25 Years to 79 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
19
States / cities
Anniston, Alabama • Phoenix, Arizona • Sacramento, California + 14 more
Source: ClinicalTrials.gov public record
Updated May 29, 2008 · Synced Oct 22, 2026, 4:02 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Benzo[a]Pyrene Ultralow Dose-Response Study

NCT03318978
View directory record Official record
Conditions
Environmental Exposure
Interventions
[14C]-benzo[a]pyrene
Drug
Lead sponsor
Oregon State University
Other
Eligibility
21 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Corvallis, Oregon
Source: ClinicalTrials.gov public record
Updated May 22, 2025 · Synced Oct 22, 2026, 4:02 AM EDT
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 Oct 2, 2026 · Synced Oct 22, 2026, 4:02 AM EDT
Completed Phase 3 Interventional Results available

ACT-293987 in Pulmonary Arterial Hypertension

NCT01112306
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
ACT-293987
Drug
Lead sponsor
Actelion
Industry
Eligibility
18 Years and older
Enrollment
709 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2021
U.S. locations
45
States / cities
Mobile, Alabama • Phoenix, Arizona • Tucson, Arizona + 42 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 22, 2026, 4:02 AM EDT
Terminated Phase 4 Interventional Results available

Rapid Switch From Flolan to Remodulin in the Outpatient Clinic

NCT00643604
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
treprostinil sodium
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 70 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 3, 2024 · Synced Oct 22, 2026, 4:02 AM EDT
Completed Phase 3 Interventional Results available

Beraprost-314d Added-on to Tyvaso® (BEAT)

NCT01908699
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Beraprost Sodium 314d Modified Release Tablets, Placebo
Drug
Lead sponsor
Lung Biotechnology PBC
Industry
Eligibility
18 Years to 80 Years
Enrollment
273 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
69
States / cities
Birmingham, Alabama • Beverly Hills, California • Fountain Valley, California + 55 more
Source: ClinicalTrials.gov public record
Updated Aug 3, 2020 · Synced Oct 22, 2026, 4:02 AM EDT
Recruiting Phase 3 Interventional

A Study to Evaluate the Efficacy and Safety of Once Daily Treprostinil Palmitil Inhalation Powder (TPIP) in Participants With Pulmonary Arterial Hypertension (PAH)

NCT07481981
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Treprostinil Palmitil Inhalation Powder, Placebo
Drug
Lead sponsor
Insmed Incorporated
Industry
Eligibility
18 Years to 75 Years
Enrollment
344 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
11
States / cities
Los Angeles, California • Santa Barbara, California • Torrance, California + 7 more
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 22, 2026, 4:02 AM EDT
Completed No phase listed Observational

Quality of Life Assessed With the PAH SYMPACT Questionnaire

NCT03905421
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
390 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 25, 2025 · Synced Oct 22, 2026, 4:02 AM EDT
Completed Phase 1 Interventional

ALlogeneic Cardiosphere-derived Stem Cells (CDCs) for Pulmonary Hypertension therApy

NCT03145298
View directory record Official record
Conditions
Pulmonary Arterial Hypertension (PAH)
Interventions
Allogeneic Human Cardiosphere-Derived Stem Cells, Placebo
Biological
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 12, 2023 · Synced Oct 22, 2026, 4:02 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 30, 2020 · Synced Oct 22, 2026, 4:02 AM EDT