Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Jun 26, 2026, 5:20 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 445 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Heritable Pulmonary Arterial Hypertension Clear all
Completed Phase 4 Interventional Results available

Management of Acute Pulmonary Hypertensive Crisis in Children With Known Pulmonary Arterial Hypertension

NCT05439460
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Phenylephrine, Epinephrine, Arginine Vasopressin
Drug
Lead sponsor
Stanford University
Other
Eligibility
1 Year to 18 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Aug 4, 2022 · Synced Jun 26, 2026, 5:20 AM EDT
Recruiting Phase 2 Interventional

Repurposing Valsartan May Protect Against Pulmonary Hypertension

NCT06053580
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Right Heart Failure, Right Ventricular Dysfunction, Pulmonary Vascular Disorder
Interventions
Valsartan 40 mg, Placebo
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Jun 26, 2026, 5:20 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 Jun 26, 2026, 5:20 AM EDT
Completed No phase listed Observational

Serum Brain Natriuretic Peptide Levels and Pulmonary Hypertension in Pediatric Sickle Cell Patients

NCT01023451
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Not listed
Lead sponsor
Akron Children's Hospital
Other
Eligibility
7 Years to 21 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Akron, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 25, 2014 · Synced Jun 26, 2026, 5:20 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

PTGS1 Genetic Variation and Increased Risk for Persistent Pulmonary Hypertension of the Newborn

NCT00710177
View directory record Official record
Conditions
Persistent Pulmonary Hypertension of the Newborn
Interventions
Not listed
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
Up to 12 Months
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2028
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 25, 2026 · Synced Jun 26, 2026, 5:20 AM EDT
Withdrawn Not applicable Interventional

miRNA and Myokines in Patients With PAH

NCT03905083
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Exercise Rehab
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Jun 26, 2026, 5:20 AM EDT
Completed Phase 2 Interventional Results available

Anastrozole in Patients With Pulmonary Arterial Hypertension

NCT01545336
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Anastrozole, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
3
States / cities
Philadelphia, Pennsylvania • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 26, 2016 · Synced Jun 26, 2026, 5:20 AM EDT
Recruiting Phase 1 Interventional

A Study Evaluating the Safety and Tolerability of Artesunate in Patients With Pulmonary Arterial Hypertension

NCT06872112
View directory record Official record
Conditions
Pulmonary Arterial Hypertension (PAH)
Interventions
Artesunate
Drug
Lead sponsor
Joseph C. Wu
Other
Eligibility
18 Years to 60 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Jun 26, 2026, 5:20 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Sildenafil to Improve Exercise Capacity in People With Thalassemia and Pulmonary Hypertension

NCT00872170
View directory record Official record
Conditions
Thalassemia, Hypertension, Pulmonary
Interventions
Sildenafil
Drug
Lead sponsor
Carelon Research
Other
Eligibility
7 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Feb 20, 2014 · Synced Jun 26, 2026, 5:20 AM EDT
Completed Phase 2 Interventional

Study in Subjects With PAH and PH Secondary to IPF Using Inhaled GeNOsyl.

NCT01265888
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Idiopathic Pulmonary Fibrosis
Interventions
Inhaled Nitric Oxide
Drug
Lead sponsor
Geno LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
10
States / cities
Birmingham, Alabama • Los Angeles, California • Sacramento, California + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2016 · Synced Jun 26, 2026, 5:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Supine or Prone Position After Caesarean Birth

NCT01310153
View directory record Official record
Conditions
Respiratory Distress, Transient Tachypnea of the Newborn, Delayed Transition of the Newborn, Persistent Pulmonary Hypertension
Interventions
prone positioning, Supine
Procedure
Lead sponsor
Montefiore Medical Center
Other
Eligibility
Female only
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Aug 30, 2018 · Synced Jun 26, 2026, 5:20 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 8, 2007 · Synced Jun 26, 2026, 5:20 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Obstructive Sleep Apnea (OSA) in Pulmonary Arterial Hypertension (PAH)

NCT01835080
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Obstructive Sleep Apnea
Interventions
Not listed
Lead sponsor
Inova Health Care Services
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Falls Church, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 15, 2020 · Synced Jun 26, 2026, 5:20 AM EDT
Terminated Phase 2 Interventional Results available

Sildenafil Therapy for Pulmonary Hypertension and Sickle Cell Disease

NCT00492531
View directory record Official record
Conditions
Sickle Cell Disease, Pulmonary Hypertension
Interventions
Sildenafil, Placebo
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
12 Years to 70 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
8
States / cities
Oakland, California • Denver, Colorado • Washington D.C., District of Columbia + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 5, 2016 · Synced Jun 26, 2026, 5:20 AM EDT
Completed Phase 1 Interventional

A Study to Assess the Safety, Tolerability, and Hemodynamic Response of PB1046 in Subjects With PAH

NCT03315507
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
PB1046 Subcutaneous Injection
Drug
Lead sponsor
PhaseBio Pharmaceuticals Inc.
Industry
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
2
States / cities
Columbus, Ohio • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 7, 2019 · Synced Jun 26, 2026, 5:20 AM EDT
Not yet recruiting Phase 3 Interventional

Fibrotic Disease Activity in Cardiopulmonary Disorders Using 18F-Fibroblast Activation Protein Inhibitor (18F-FAPI-74) PET/CT Imaging

NCT07613099
View directory record Official record
Conditions
Allogeneic Stem Cell Transplantation, Lung Allograft Transplantation, Interstitial Lung Disease, Acute Lung Injury, Pulmonary Arterial Hypertension, Cardiovascular Diseases
Interventions
[18F]FAPI-74, 18F-FAPI-74 PET/CT Imaging
Drug · Diagnostic Test
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 100 Years
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2033
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Jun 26, 2026, 5:20 AM EDT
Completed Phase 3 Interventional Results available

Clinical Study to Compare the Efficacy and Safety of Macitentan and Tadalafil Monotherapies With the Corresponding Fixed-dose Combination Therapy in Subjects With Pulmonary Arterial Hypertension (PAH)

NCT03904693
View directory record Official record
Conditions
Pulmonary Arterial Hypertension (PAH) (WHO Group 1 PH)
Interventions
FDC macitentan/tadalafil, Macitentan 10 mg, Tadalafil 40 mg, Placebo FDC, Placebo macitentan, Placebo tadalafil
Drug
Lead sponsor
Actelion
Industry
Eligibility
18 Years and older
Enrollment
187 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
26
States / cities
Fullerton, California • Los Angeles, California • Atlanta, Georgia + 22 more
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Jun 26, 2026, 5:20 AM EDT
Completed No phase listed Observational

Persistent Pulmonary Hypertension of the Newborn (PPHN) Observational Study

NCT01203423
View directory record Official record
Conditions
Infant, Newborn, Infant, Low Birth Weight, Infant, Small for Gestational Age, Infant, Premature, Persistent Fetal Circulation Syndrome, Persistent Pulmonary Hypertension of Newborn
Interventions
Not listed
Lead sponsor
NICHD Neonatal Research Network
Network
Eligibility
Up to 7 Days
Enrollment
385 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 1994
U.S. locations
13
States / cities
Palo Alto, California • New Haven, Connecticut • Washington D.C., District of Columbia + 10 more
Source: ClinicalTrials.gov public record
Updated Mar 21, 2019 · Synced Jun 26, 2026, 5:20 AM EDT
Completed Phase 3 Interventional Results available

A Long Term Extension Study Evaluating Safety Of Sildenafil Citrate When Used To Treat Pulmonary Arterial Hypertension (PAH) In Children

NCT00159874
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
1 Year to 17 Years
Enrollment
234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2012
U.S. locations
11
States / cities
Palo Alto, California • Stanford, California • Aurora, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 31, 2021 · Synced Jun 26, 2026, 5:20 AM EDT
Terminated Phase 2 Interventional Results available

The "Power 15 Study": Safety Study of Inhalation of Ventavis With the Power Disc-15 Setting

NCT00467896
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Iloprost PD-6, Iloprost PD-15
Drug
Lead sponsor
Actelion
Industry
Eligibility
18 Years to 85 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
12
States / cities
Phoenix, Arizona • La Jolla, California • Iowa City, Iowa + 8 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2013 · Synced Jun 26, 2026, 5:20 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetics, Safety and Tolerability of Treprostinil Inhalation Powder in Healthy Normal Volunteers

NCT03464864
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Treprostinil Inhalation Powder
Drug
Lead sponsor
Mannkind Corporation
Industry
Eligibility
18 Years to 55 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 29, 2018 · Synced Jun 26, 2026, 5:20 AM EDT
Completed Phase 2 Interventional Results available

GB002 in Adult Subjects With Pulmonary Arterial Hypertension (PAH)

NCT04456998
View directory record Official record
Conditions
Pulmonary Artery Hypertension
Interventions
GB002 (seralutinib), Placebo, Generic Dry Powder Inhaler
Drug · Device
Lead sponsor
GB002, Inc., a wholly owned subsidiary of Gossamer Bio, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
36
States / cities
Phoenix, Arizona • Los Angeles, California • Sacramento, California + 31 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2023 · Synced Jun 26, 2026, 5:20 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

A Study to Learn About the Study Medicine Called PF-07868489 in Healthy Adult People and in People With Pulmonary Arterial Hypertension

NCT06137742
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
PF-07868489, Placebo for PF-07868489
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
23
States / cities
Anaheim, California • Costa Mesa, California • Orange, California + 9 more
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Jun 26, 2026, 5:20 AM EDT
Completed Phase 3 Interventional Results available

A Study of First-Line Ambrisentan and Tadalafil Combination Therapy in Subjects With Pulmonary Arterial Hypertension (PAH)

NCT01178073
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
ambrisentan, tadalafil
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 75 Years
Enrollment
610 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
61
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 50 more
Source: ClinicalTrials.gov public record
Updated Sep 12, 2017 · Synced Jun 26, 2026, 5:20 AM EDT