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ClinicalTrials.gov public records Last synced Oct 11, 2026, 11:50 PM EDT

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Showing 97–120 of 373 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Idiopathic Pulmonary Arterial Hypertension. Clear all
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 11, 2026, 11:50 PM 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 11, 2026, 11:50 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Dose-Finding, Safety, Pharmacodynamic Effect Study of Sodium Nitrite Inhalation Solution in Normal, Healthy Volunteers

NCT00814645
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Sodium Nitrite Inhalation Solution, Placebo and AIR001 Inhalation Solution (Expansion arm)
Drug
Lead sponsor
Aires Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 17, 2012 · Synced Oct 11, 2026, 11:50 PM EDT
Completed Not applicable Interventional

Biomarkers in the Diagnosis and Assessment of Pulmonary Arterial Hypertension (PAH)

NCT00566423
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Blood draw
Other
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Jun 23, 2011 · Synced Oct 11, 2026, 11:50 PM EDT
Completed Phase 2 Interventional Results available

Pilot Study Evaluating the Safety and Performance of the GeNO NITROsyl Delivery System for Inhaled Nitric Oxide

NCT01092559
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Nitric Oxide generated by the GeNO nitrosyl delivery system
Drug
Lead sponsor
Geno LLC
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
3
States / cities
Boston, Massachusetts • Cleveland, Ohio • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 4, 2013 · Synced Oct 11, 2026, 11:50 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Angiogenic Imaging in Pulmonary Arterial Hypertension

NCT03166306
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Exercise Associated Pulmonary Arterial Hypertension
Interventions
PET-CT Imaging with [89Zr]-bevacizumab
Diagnostic Test
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 6, 2021 · Synced Oct 11, 2026, 11:50 PM EDT
Completed Phase 2 Interventional Results available

Sildenafil Study to Treat Idiopathic Pulmonary Fibrosis

NCT00359736
View directory record Official record
Conditions
Alveolitis, Fibrosing, Fibrosis, Pulmonary, Hypertension, Pulmonary
Interventions
sildenafil
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years to 85 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Nov 1, 2017 · Synced Oct 11, 2026, 11:50 PM EDT
Completed Phase 4 Interventional Results available

REPAIR: Right vEntricular Remodeling in Pulmonary ArterIal hypeRtension

NCT02310672
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Macitentan
Drug
Lead sponsor
Actelion
Industry
Eligibility
18 Years to 64 Years
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
8
States / cities
Boston, Massachusetts • Minneapolis, Minnesota • St Louis, Missouri + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 11, 2026, 11:50 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 11, 2026, 11:50 PM EDT
Terminated Phase 2 Interventional

PRIMEx - A Study of 2 Doses of Oral CXA-10 in Pulmonary Arterial Hypertension (PAH)

NCT03449524
View directory record Official record
Conditions
PAH
Interventions
75mg CXA-10, 150mg CXA-10, Placebo
Drug · Other
Lead sponsor
Complexa, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
40
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 34 more
Source: ClinicalTrials.gov public record
Updated Aug 10, 2020 · Synced Oct 11, 2026, 11:50 PM EDT
Completed Phase 1 Interventional Results available

Carnitine Consumption and Augmentation in Pulmonary Arterial Hypertension

NCT04908397
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Familial Primary Pulmonary Hypertension, Primary Pulmonary Hypertension, Lung Diseases, Carnitine Nutritional Deficiency
Interventions
L-carnitine
Dietary Supplement
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Oct 11, 2026, 11:50 PM EDT
Completed Phase 2 Interventional

A Study of Aspirin and Clopidogrel in Patients With Idiopathic Pulmonary Arterial Hypertension

NCT00105209
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
Aspirin, clopidogrel
Drug
Lead sponsor
Kawut, Steven, MD
Individual
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
2
States / cities
New York, New York • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 11, 2026, 11:50 PM EDT
Terminated Phase 3 Interventional Results available

Study of Sotatercept in Newly Diagnosed Intermediate- and High-Risk PAH Participants (MK-7962-005/A011-13)

NCT04811092
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 and older
Enrollment
321 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
28
States / cities
Scottsdale, Arizona • Tucson, Arizona • La Jolla, California + 23 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Oct 11, 2026, 11:50 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

PatientSpot Formerly Known as ArthritisPower

NCT03840928
View directory record Official record
Conditions
Rheumatoid Arthritis, Ankylosing Spondylitis, Fibromyalgia, Gout, Crohn Disease, Juvenile Idiopathic Arthritis, Lupus Erythematosus, Myositis, Osteoarthritis, Osteoporosis, Psoriasis, Psoriatic Arthritis, Scleroderma, Dermatomyositis, Inflammatory Bowel Diseases, Polymyositis, Axial Spondyloarthritis, Diffuse Idiopathic Skeletal Hyperostosis, Polymyalgia Rheumatica, Giant Cell Arteritis, Temporal Arteritis, Wegener, Relapsing Polychondritis, Undifferentiated Connective Tissue Disease, Spinal Cord Injuries, Alzheimer Disease, Amyotrophic Lateral Sclerosis, Ataxia, Bell Palsy, Brain Tumor, Cerebral Aneurysm, Epilepsy, Guillain-Barre Syndrome, Headache, Head Injury, Hydrocephalus, Lumbar Disc Disease, Meningitis, Multiple Sclerosis, Muscular Dystrophy, Neurocutaneous Syndromes, Parkinson Disease, Stroke, Cluster Headache, Tension-Type Headache, Chronic Obstructive Pulmonary Disease, Asthma, Lung Cancer, Cystic Fibrosis, Sleep Apnea, Eczema, Alopecia, Chronic Inflammation, Unstable Angina, Heart Attack, Heart Failure, Arrythmia, Valve Heart Disease, High Blood Pressure, Congenital Heart Disease, Peripheral Arterial Disease, Diabetes, Chronic Liver Disease, Obesity
Interventions
Not listed
Lead sponsor
Global Healthy Living Foundation
Other
Eligibility
19 Years and older
Enrollment
40,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2025
U.S. locations
1
States / cities
Upper Nyack, New York
Source: ClinicalTrials.gov public record
Updated Dec 13, 2023 · Synced Oct 11, 2026, 11:50 PM 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 27, 2016 · Synced Oct 11, 2026, 11:50 PM EDT
Recruiting Phase 2 Interventional

Empagliflozin to Improve Right Ventricular Function in Pulmonary Arterial Hypertension

NCT06992440
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Empagliflozin 10 MG, Placebo
Drug
Lead sponsor
Gustavo A Heresi, MD, MS
Other
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
3
States / cities
Baltimore, Maryland • Cleveland, Ohio • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Oct 11, 2026, 11:50 PM EDT
Terminated Phase 3 Interventional Results available

Study Providing Monotherapy (Sitaxsentan) And Combination Therapy (Sitaxsentan+Sildenafil) To Subjects With Pulmonary Arterial Hypertension (PAH) To Assess Long-Term Safety

NCT00796510
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
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Fountain Valley, California
Source: ClinicalTrials.gov public record
Updated Oct 25, 2018 · Synced Oct 11, 2026, 11:50 PM EDT
Withdrawn Not applicable Interventional

Efficacy Study of Cardizem in Pulmonary Arterial Hypertension

NCT01645826
View directory record Official record
Conditions
Idiopathic Pulmonary Arterial Hypertension, Primary Pulmonary Hypertension, Pulmonary Arterial Hypertension, Familial Primary Pulmonary Hypertension
Interventions
Diltiazem Hydrochloride, Sugar Pill
Drug
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Nov 20, 2018 · Synced Oct 11, 2026, 11:50 PM EDT
Completed No phase listed Observational

Novel Index (PIMR) in PAH

NCT05812976
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Pulmonary Index of Microcirculatory Resistance, Right Ventricle Index of Microcirculatory Resistance
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 1, 2025 · Synced Oct 11, 2026, 11:50 PM 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 11, 2026, 11:50 PM EDT
Completed Phase 3 Interventional Results available

FREEDOM-C: Oral Treprostinil in Combination With an Endothelin Receptor Antagonist (ERA) and/or a Phosphodiesterase-5 (PDE-5) Inhibitor for the Treatment of Pulmonary Arterial Hypertension (PAH)

NCT00325442
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Oral treprostinil (UT-15C) sustained release tablets, Placebo
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
12 Years to 70 Years
Enrollment
354 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
39
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 31 more
Source: ClinicalTrials.gov public record
Updated Aug 2, 2017 · Synced Oct 11, 2026, 11:50 PM EDT
Recruiting No phase listed Observational

Pulmonary Hypertension Association Registry

NCT04071327
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Chronic Thromboembolic Pulmonary Hypertension, Pulmonary Hypertension
Interventions
Not listed
Lead sponsor
Pulmonary Hypertension Association, Inc.
Other
Eligibility
0 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2025
U.S. locations
52
States / cities
Phoenix, Arizona • Sacramento, California • San Francisco, California + 40 more
Source: ClinicalTrials.gov public record
Updated Nov 14, 2025 · Synced Oct 11, 2026, 11:50 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 11, 2026, 11:50 PM EDT
Completed No phase listed Observational

Cardiac Assessment by PV Loop in IPAH and Scleroderma PAH

NCT04610788
View directory record Official record
Conditions
Scleroderma, Pulmonary Artery Hypertension
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 9, 2026 · Synced Oct 11, 2026, 11:50 PM EDT