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 come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 13, 2026, 11:38 PM EDT

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

Showing 217–240 of 373 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Idiopathic Pulmonary Arterial Hypertension Clear all
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 13, 2026 · Synced Oct 13, 2026, 11:38 PM 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 24, 2018 · Synced Oct 13, 2026, 11:38 PM 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 4, 2013 · Synced Oct 13, 2026, 11:38 PM EDT
Completed Phase 3 Interventional Results available

Phase III Clinical Worsening Study of UT-15C in Subjects With PAH Receiving Background Oral Monotherapy

NCT01560624
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Treprostinil Diolamine, Placebo
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
690 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
40
States / cities
Phoenix, Arizona • Tucson, Arizona • Fresno, California + 33 more
Source: ClinicalTrials.gov public record
Updated Feb 13, 2020 · Synced Oct 13, 2026, 11:38 PM 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 13, 2026, 11:38 PM EDT
Withdrawn Not applicable Interventional

FDG Uptake and Lung Blood Flow in PAH Before and After Treatment With Ambrisentan

NCT02958358
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
CT imaging, functional PET imaging
Other
Lead sponsor
Robert Scott Harris, M.D.
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 15, 2016 · Synced Oct 13, 2026, 11:38 PM EDT
Withdrawn No phase listed Observational

Pharmacogenomics in Pulmonary Arterial Hypertension

NCT00593905
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Pulmonary Hypertension, PAH WHO Group I
Interventions
Sitaxsentan, Bosentan, Ambrisentan
Drug
Lead sponsor
West Penn Allegheny Health System
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 9, 2021 · Synced Oct 13, 2026, 11:38 PM 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 21, 2023 · Synced Oct 13, 2026, 11:38 PM EDT
Active, not recruiting Phase 2 Interventional Results available

A Clinical Study of to Confirm the Doses of Selexipag in Children With Pulmonary Arterial Hypertension

NCT03492177
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
selexipag (Uptravi)
Drug
Lead sponsor
Actelion
Industry
Eligibility
2 Years to 17 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
3
States / cities
Aurora, Colorado • Iowa City, Iowa • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 13, 2026, 11:38 PM 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 13, 2026, 11:38 PM EDT
Completed No phase listed Observational

Home-based Pulmonary Rehabilitation With Remote Monitoring in Pulmonary Arterial Hypertension

NCT05521113
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Home Rehabilitation Monitoring System, Health coaching calls
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 22, 2024 · Synced Oct 13, 2026, 11:38 PM EDT
Completed No phase listed Observational Results available

Study of Incidence of Respiratory Tract AEs in Patients Treated With Tyvaso® Compared to Other FDA Approved PAH Therapies

NCT01266265
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
inhaled prostacyclin, prostacyclin, subcutaneous and intravenous prostacyclin, oral ERA, oral PDE5 inhibitors
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
Not listed
Enrollment
1,333 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
88
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 65 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2016 · Synced Oct 13, 2026, 11:38 PM EDT
Terminated Phase 4 Interventional Results available

A Study of Selexipag Assessing Right Ventricular Remodeling in Pulmonary Arterial Hypertension by Cardiac Magnetic Resonance Imaging

NCT04435782
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
JNJ-67896049
Drug
Lead sponsor
Actelion
Industry
Eligibility
18 Years to 64 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
3
States / cities
La Jolla, California • Anderson, South Carolina • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 13, 2026, 11:38 PM EDT
Completed No phase listed Observational

Sildenafil to Tadalafil in Pulmonary Arterial Hypertension (SITAR)

NCT01043627
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
3
States / cities
Birmingham, Alabama • Torrance, California • Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 5, 2012 · Synced Oct 13, 2026, 11:38 PM EDT
Withdrawn Phase 4 Interventional

Pulmonary Arterial Hypertension Secondary to Idiopathic Pulmonary Fibrosis and Treatment With Bosentan

NCT00625469
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Idiopathic Pulmonary Fibrosis
Interventions
bosentan
Drug
Lead sponsor
Rajan Saggar
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 6, 2018 · Synced Oct 13, 2026, 11:38 PM EDT
Recruiting Phase 1Phase 2 Interventional

A Study of HS235 for Treatment of Pulmonary Arterial Hypertension (PAH) in Adults

NCT07143448
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
HS235, Placebo
Biological · Other
Lead sponsor
35Pharma Inc
Industry
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Tampa, Florida • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 13, 2026, 11:38 PM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

A Study to Learn About the Treatment LTP001 in Healthy Participants (Part A) and in Participants With PAH (Part B)

NCT06649110
View directory record Official record
Conditions
Healthy Volunteers, Pulmonary Arterial Hypertension
Interventions
LTP, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
232 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
19
States / cities
Scottsdale, Arizona • Orange, California • Stanford, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Oct 13, 2026, 11:38 PM 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 12, 2014 · Synced Oct 13, 2026, 11:38 PM EDT
Completed No phase listed Observational

Metabolic Remodeling in Pulmonary Arterial Hypertension (PAH)

NCT04968210
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Hyperpolarized 13C-pyruvate
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 13, 2025 · Synced Oct 13, 2026, 11:38 PM EDT
Completed No phase listed Observational

Pharmacokinetics of Understudied Drugs Administered to Children Per Standard of Care

NCT01431326
View directory record Official record
Conditions
Adenovirus, Anesthesia, Anxiety, Anxiolysis, Autism, Autistic Disorder, Bacterial Meningitis, Bacterial Septicemia, Benzodiazepine, Bipolar Disorder, Bone and Joint Infections, Central Nervous System Infections, Convulsions, Cytomegalovirus Retinitis, Early-onset Schizophrenia Spectrum Disorders, Epilepsy, General Anesthesia, Gynecologic Infections, Herpes Simplex Virus, Infantile Hemangioma, Infection, Inflammation, Inflammatory Conditions, Intra-abdominal Infections, Lower Respiratory Tract Infections, Migraines, Pain, Pneumonia, Schizophrenia, Sedation, Seizures, Skeletal Muscle Spasms, Skin and Skin-structure Infections, Treatment-resistant Schizophrenia, Urinary Tract Infections, Withdrawal, Sepsis, Gram-negative Infection, Bradycardia, Cardiac Arrest, Cardiac Arrhythmia, Staphylococcal Infections, Nosocomial Pneumonia, Neuromuscular Blockade, Methicillin Resistant Staphylococcus Aureus, Endocarditis, Neutropenia, Headache, Fibrinolytic Bleeding, Pulmonary Arterial Hypertension, CMV Retinitis, Hypertension, Chronic Kidney Diseases, Hyperaldosteronism, Hypokalemia, Heart Failure, Hemophilia, Heavy Menstrual Bleeding, Insomnia
Interventions
The POPS study is collecting PK data on children prescribed the following drugs of interest per standard of care:
Drug
Lead sponsor
Daniel Benjamin
Other
Eligibility
Up to 21 Years
Enrollment
3,520 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
43
States / cities
Anchorage, Alaska • Little Rock, Arkansas • La Jolla, California + 37 more
Source: ClinicalTrials.gov public record
Updated Sep 6, 2023 · Synced Oct 13, 2026, 11:38 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetics and Excretion of Oral [14C]-Rodatristat Ethyl

NCT05006118
View directory record Official record
Conditions
Healthy
Interventions
Radio-labeled rodatristat ethyl 600 mg
Drug
Lead sponsor
Altavant Sciences GmbH
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 13, 2022 · Synced Oct 13, 2026, 11:38 PM EDT
Completed Phase 3 Interventional

A Study Evaluating the Efficacy and Safety of Ralinepag to Improve Treatment Outcomes in PAH Patients

NCT03626688
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, Placebo
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
687 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
68
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 50 more
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Oct 13, 2026, 11:38 PM EDT
Completed No phase listed Observational

Pulmonary Hypertension and Imatinib

NCT01092897
View directory record Official record
Conditions
PAH
Interventions
Not listed
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
8
States / cities
Aurora, Colorado • Weston, Florida • Baltimore, Maryland + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2014 · Synced Oct 13, 2026, 11:38 PM EDT
Completed No phase listed Observational

Dysregulation of Lipid Metabolism and Right Ventricular Function in PAH

NCT02631421
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Blood Sampling, Cardiac MRI
Procedure · Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 16, 2019 · Synced Oct 13, 2026, 11:38 PM EDT