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ClinicalTrials.gov public records Last synced Oct 14, 2026, 3:19 AM EDT

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Showing 121–144 of 449 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Heritable Pulmonary Arterial Hypertension Clear all
Completed No phase listed Observational

Tyvaso Dosing and Titration Evaluation: TyTRATE Registry

NCT01799473
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Not listed
Lead sponsor
United Therapeutics
Industry
Eligibility
Not listed
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
51
States / cities
La Jolla, California • Los Angeles, California • Pasadena, California + 45 more
Source: ClinicalTrials.gov public record
Updated Mar 24, 2015 · Synced Oct 14, 2026, 3:19 AM EDT
Completed Phase 3 Interventional Results available

A Study to Assess Whether Macitentan Delays Disease Progression in Children With Pulmonary Arterial Hypertension (PAH)

NCT02932410
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Macitentan, Standard-of-care
Drug · Other
Lead sponsor
Actelion
Industry
Eligibility
1 Month to 17 Years
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
20
States / cities
Phoenix, Arizona • Los Angeles, California • San Francisco, California + 17 more
Source: ClinicalTrials.gov public record
Updated Mar 13, 2026 · Synced Oct 14, 2026, 3:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Advancing Understanding of Transportation Options

NCT04141891
View directory record Official record
Conditions
Diabetic Retinopathy, Macular Degeneration, Glaucoma, Retinitis Pigmentosa, Vision Disorders, Acute Coronary Syndrome, Implantable Defibrillator User, Congestive Heart Failure, Hypertrophic Obstructive Cardiomyopathy, Orthostatic Hypotension, Syncope, Presyncope, Narcolepsy, Dementia, Multiple Sclerosis, Parkinson Disease, Brain Injuries, Spinal Cord Injuries, Stroke, Vertigo, Dizziness, Seizures, Substance Use, Insulin Dependent Diabetes Mellitus, Arthritis, Foot--Abnormalities, Chronic Obstructive Pulmonary Disease, Obstructive Sleep Apnea, End Stage Renal Disease, Sleep Apnea, Insomnia, Restless Legs Syndrome
Interventions
Driving Decision Aid, Older Drivers Website
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
529 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
3
States / cities
La Jolla, California • Aurora, Colorado • Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 21, 2025 · Synced Oct 14, 2026, 3:19 AM EDT
Completed Phase 2 Interventional

A Study to Evaluate the Efficacy, Safety and Pharmacokinetics of Treprostinil Palmitil Inhalation Powder in Participants With Pulmonary Arterial Hypertension

NCT05147805
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Treprostinil Palmitil, Placebo
Drug
Lead sponsor
Insmed Incorporated
Industry
Eligibility
18 Years to 75 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
21
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Tucson, Arizona + 16 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Oct 14, 2026, 3:19 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 24, 2015 · Synced Oct 14, 2026, 3:19 AM EDT
Not yet recruiting Phase 2 Interventional

Tiprelestat Versus Placebo When Added to Standard of Care for the Treatment of Pulmonary Arterial Hypertension (PAH)

NCT07601295
View directory record Official record
Conditions
Pulmonary Arterial Hypertension (PAH)
Interventions
Tiprelestat (5 mg), Placebo (1 mL 0.9% saline solution), Tiprelestat (10 mg)
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 75 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
10
States / cities
Tucson, Arizona • San Francisco, California • Stanford, California + 7 more
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 14, 2026, 3:19 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 31, 2018 · Synced Oct 14, 2026, 3:19 AM EDT
Recruiting Not applicable Interventional

Treatment of Pulmonary Arterial Hypertension Using the Aria CV Pulmonary Hypertension System

NCT04555161
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Pulmonary Hypertension, Right Heart Dysfunction
Interventions
Aria CV Pulmonary Hypertension System
Device
Lead sponsor
Aria CV, Inc
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
12
States / cities
La Jolla, California • Los Angeles, California • Indianapolis, Indiana + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 29, 2025 · Synced Oct 14, 2026, 3:19 AM EDT
Completed No phase listed Observational

Epidemiology and Treatment Patterns of Paediatric PAH (Pulmonary Arterial Hypertension)

NCT02576002
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
Assigned pulmonary hypertension medication
Drug
Lead sponsor
Bayer
Industry
Eligibility
Up to 18 Years
Enrollment
2,691 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 26, 2016 · Synced Oct 14, 2026, 3:19 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Measurements and Characterization of Doppler Signals From the Right Chest in Pediatric and Adult Patients

NCT01913457
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Ultrasound Doppler
Radiation
Lead sponsor
Echosense Ltd.
Industry
Eligibility
Not listed
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2021
U.S. locations
2
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Mar 23, 2022 · Synced Oct 14, 2026, 3:19 AM EDT
Completed Phase 2 Interventional Results available

Evaluation of the Pharmacodynamic Effect of the Combination of Sildenafil and Riociguat on Blood Pressure and Other Safety Parameters.

NCT01179334
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Riociguat (Adempas, BAY63-2521), Placebo, Sildenafil
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 75 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
3
States / cities
Aurora, Colorado • Columbus, Ohio • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 29, 2016 · Synced Oct 14, 2026, 3:19 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Cardiovascular Complications of Sickle Cell Disease

NCT01044901
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
MRI, Transthoracic Echocardiography, tonometry, EKG
Procedure
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 23, 2022 · Synced Oct 14, 2026, 3:19 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 14, 2026, 3:19 AM EDT
Completed Phase 3 Interventional Results available

A Randomized, Double-Blind, Placebo-Controlled Study of Sildenafil in Children With Pulmonary Arterial Hypertension.

NCT00159913
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Children
Interventions
Sildenafil citrate, Placebo
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
1 Year to 17 Years
Enrollment
235 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
10
States / cities
Palo Alto, California • Stanford, California • Aurora, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2021 · Synced Oct 14, 2026, 3:19 AM EDT
Completed No phase listed Observational

Evaluation of Patients With Known or Suspected Heart Disease

NCT00001313
View directory record Official record
Conditions
Peripheral Artery Disease, Coronary Disease, Diabetes and Heart Failure, Dilated Cardiomyopathy, Heart Failure, Renal Artery Stenosis, Pulmonary Hypertension
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
1992 – 2009
U.S. locations
2
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 14, 2026, 3:19 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Bioavailability Study Comparing Treprostinil Diethanolamine Oral Tablets and Oral Solution in Healthy Volunteers

NCT01172496
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
treprostinil diethanolamine
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2010
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 13, 2010 · Synced Oct 14, 2026, 3:19 AM EDT
Completed Phase 1Phase 2 Interventional

Real-time MRI Right Heart Catheterization Using Passive Catheters

NCT01287026
View directory record Official record
Conditions
Caridovascular Disease, Congenital Heart Disease, Pulmonary Hypertension
Interventions
Cardiac Real-time MRI RHC (Right Heart Catheterization)
Procedure
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
2 Years to 99 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 5, 2019 · Synced Oct 14, 2026, 3:19 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Frailty in Children With Cardiac Disease

NCT02999438
View directory record Official record
Conditions
Pulmonary Hypertension, Heart Failure, Single Ventricle
Interventions
Actigraph to check activity levels at home
Device
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
8 Years to 18 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 14, 2023 · Synced Oct 14, 2026, 3:19 AM EDT
Completed Phase 3 Interventional Results available

Safety Study of the Switch From Oral Selexipag to Intravenous Selexipag in Subjects With Stable Pulmonary Arterial Hypertension

NCT03187678
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
i.v. selexipag, oral selexipag (Uptravi)
Drug
Lead sponsor
Actelion
Industry
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
4
States / cities
La Jolla, California • Boston, Massachusetts • Cleveland, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 29, 2025 · Synced Oct 14, 2026, 3:19 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 30, 2018 · Synced Oct 14, 2026, 3:19 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Pulmonary Hypertension and Oxygen Saturation Targeting in Preterm Infants

NCT06373289
View directory record Official record
Conditions
Bronchopulmonary Dysplasia, Pulmonary Hypertension
Interventions
higher oxygen saturation target using Nellcor pulse oximetry sensors, lower oxygen saturation target using Nellcor pulse oximetry sensors
Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
1 Month to 5 Months
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
2
States / cities
Birmingham, Alabama • New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 14, 2026, 3:19 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 14, 2026, 3:19 AM EDT
Withdrawn Phase 3 Interventional

Study of PAH Subjects With LTOT Use That Have Demonstrated Improved Exercise Tolerance With the Use of Inhaled Nitric

NCT03602781
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Placebo, iNO
Drug
Lead sponsor
Bellerophon Pulse Technologies
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
2
States / cities
Chicago, Illinois • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 21, 2023 · Synced Oct 14, 2026, 3:19 AM EDT
Terminated No phase listed Observational

Cardiac Metabolic Remodeling After Pulmonary Vasodilator Therapy in Pulmonary Arterial Hypertension: A Pilot Study

NCT04090866
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Right-Sided Heart Failure
Interventions
PET/MRI
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 75 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 27, 2020 · Synced Oct 14, 2026, 3:19 AM EDT