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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: prostacyclin Clear all
Active, not recruiting No phase listed Observational

Investigating Mechanisms to Explain Age Associated Differences in Quality of Life Among Breast Cancer Patients

NCT00582478
View directory record Official record
Conditions
Breast Cancer
Interventions
questionnaires
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
650 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Sep 24, 2026, 10:04 AM EDT
Completed Phase 4 Interventional Results available

Inhaled Nitric Oxide and Inhaled Prostacyclin After Cardiac Surgery for Heart Transplant or LVAD Placement

NCT01717209
View directory record Official record
Conditions
Heart Failure
Interventions
Nitric Oxide, Prostacyclin
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 8, 2017 · Synced Sep 24, 2026, 10:04 AM EDT
Completed Phase 2 Interventional Results available

Digital Ischemic Lesions in Scleroderma Treated With Oral Treprostinil Diethanolamine

NCT00775463
View directory record Official record
Conditions
Systemic Sclerosis, Scleroderma
Interventions
treprostinil diethanolamine, placebo
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
24
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Los Angeles, California + 21 more
Source: ClinicalTrials.gov public record
Updated Dec 27, 2023 · Synced Sep 24, 2026, 10:04 AM EDT
Completed Phase 3 Interventional Results available

Investigation of the Safety and Pharmacology of Dry Powder Inhalation of Treprostinil

NCT03399604
View directory record Official record
Conditions
Primary Pulmonary Hypertension
Interventions
LIQ861 Inhaled Treprostinil
Drug
Lead sponsor
Liquidia Technologies, Inc.
Industry
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
38
States / cities
Phoenix, Arizona • Los Angeles, California • Sacramento, California + 30 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2024 · Synced Sep 24, 2026, 10:04 AM EDT
Terminated Phase 2 Interventional

Tezosentan in Pulmonary Arterial Hypertension

NCT01077297
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Tezosentan
Drug
Lead sponsor
Idorsia Pharmaceuticals Ltd.
Industry
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
2
States / cities
St Louis, Missouri • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 8, 2018 · Synced Sep 24, 2026, 10:04 AM EDT
Completed Phase 2 Interventional

Inhaled Iloprost, Dynamic Hyperinflation, and Oxidative Stress in COPD Patients

NCT01941225
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Inhaled iloprost 5.0 mcg, Placebo
Drug
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
40 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 15, 2016 · Synced Sep 24, 2026, 10:04 AM 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 16, 2016 · Synced Sep 24, 2026, 10:04 AM EDT
Completed Phase 4 Interventional Results available

Study of a New Thermo Stable Formulation of Epoprostenol Sodium to Treat Pulmonary Arterial Hypertension (PAH)

NCT01462565
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
current marketed FLOLAN (epoprostenol sodium), new thermo stable formulation of epoprostenol sodium
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 75 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
6
States / cities
Miami Beach, Florida • Chicago, Illinois • Baltimore, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2017 · Synced Sep 24, 2026, 10:04 AM EDT
Terminated Phase 4 Interventional Results available

Safety, Efficacy, and Treatment Satisfaction Switching From Flolan to Remodulin Using the Crono Five Ambulatory Pump in Patients With PAH

NCT00439946
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
treprostinil, Crono Five ambulatory pump
Drug · Device
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
3
States / cities
San Francisco, California • New York, New York • Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jan 2, 2024 · Synced Sep 24, 2026, 10:04 AM EDT
Terminated Phase 4 Interventional

Transitioning To IV Remodulin From Ventavis in Patients With PAH: Safety, Efficacy and Treatment Satisfaction

NCT00458042
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
treprostinil sodium
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
2
States / cities
La Jolla, California • San Diego, California
Source: ClinicalTrials.gov public record
Updated Nov 11, 2007 · Synced Sep 24, 2026, 10:04 AM EDT
Enrolling by invitation Phase 3 Interventional

A Study Evaluating the Long-Term Efficacy and Safety of Ralinepag in Subjects With PAH Via an Open-Label Extension

NCT03683186
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
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
48
States / cities
Phoenix, Arizona • Tucson, Arizona • La Jolla, California + 38 more
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Sep 24, 2026, 10:04 AM EDT
Terminated No phase listed Observational

Reversible Secondary Myelofibrosis or Clonal Myeloproliferative Disorder

NCT00722254
View directory record Official record
Conditions
Primary Myelofibrosis, Primary Pulmonary Hypertension, Secondary Myelofibrosis, Pulmonary Arterial Hypertension
Interventions
Not listed
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
2
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 20, 2016 · Synced Sep 24, 2026, 10:04 AM EDT
Terminated Phase 3 Interventional Results available

A Study With BPS-314d-MR-PAH-303 in Participants With Pulmonary Arterial Hypertension

NCT03657095
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Esuberaprost, Placebo
Drug
Lead sponsor
Lung Biotechnology PBC
Industry
Eligibility
18 Years to 85 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
43
States / cities
Birmingham, Alabama • Beverly Hills, California • La Jolla, California + 37 more
Source: ClinicalTrials.gov public record
Updated Sep 6, 2020 · Synced Sep 24, 2026, 10:04 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 19, 2020 · Synced Sep 24, 2026, 10:04 AM EDT
Not yet recruiting Phase 1Phase 2 Interventional

PACE: Prostacyclin AntiCoagulation in ECMO

NCT07837869
View directory record Official record
Conditions
ECMO
Interventions
Dose-escalation study of epoprostenol as adjunct anticoagulation in ECMO
Drug
Lead sponsor
Garrett Keim
Other
Eligibility
0 Days to 17 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Sep 24, 2026, 10:04 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 1, 2026 · Synced Sep 24, 2026, 10:04 AM EDT
Active, not recruiting No phase listed Observational

TrEatment Approach in the Multimodal Era Registry

NCT05629052
View directory record Official record
Conditions
Chronic Thromboembolic Pulmonary Hypertension, CTEPH
Interventions
Pulmonary endarterectomy, Balloon pulmonary angioplasty, Pulmonary hypertension (PH)-specific medication
Procedure · Drug
Lead sponsor
International CTEPH Association
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
4
States / cities
San Diego, California • Evanston, Illinois • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated May 7, 2025 · Synced Sep 24, 2026, 10:04 AM EDT
Not yet recruiting Phase 4 Interventional

Epoprostenol Plus Conventional Therapy in COld and Frostbite Injury (ECCO)

NCT07424378
View directory record Official record
Conditions
Frostbite
Interventions
Standard of care plus Epoprostenol infusion for 8 hours (hrs) per day up to 5 days maximum, Standard of Care + Placebo (Normal Saline)infusion for 8 hours per day up to 5 days maximum
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Sep 24, 2026, 10:04 AM EDT
Completed Phase 4 Interventional Results available

CGRP, Estrogen, Cortisol, VIP, α-Amylase, PGE2, PGI2 and ß-Endorphin Levels in Menstrual Migraine Before and After Treximet

NCT01329562
View directory record Official record
Conditions
Menstrual Migraine
Interventions
Treximet, Placebo
Drug
Lead sponsor
Cady, Roger, M.D.
Individual
Eligibility
18 Years to 45 Years · Female only
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
2
States / cities
Springfield, Missouri • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 8, 2014 · Synced Sep 24, 2026, 10:04 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers

Loss of Effect of Aspirin on Platelet Aggregation During Chronic Administration

NCT00748371
View directory record Official record
Conditions
Platelet Aggregation
Interventions
aspirin, placebo
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older · Male only
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2011
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 11, 2017 · Synced Sep 24, 2026, 10:04 AM EDT
Terminated Not applicable Interventional Results available

Iloprost for the Treatment of Pulmonary Hypertension in Adults With Congenital Heart Disease

NCT01319045
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Congenital Heart Disease, Eisenmenger's Syndrome
Interventions
Iloprost
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 25, 2015 · Synced Sep 24, 2026, 10:04 AM EDT
Completed Phase 2 Interventional Results available

VentaProst in Subjects With COVID-19 Requiring Mechanical Ventilation

NCT04452669
View directory record Official record
Conditions
COVID-19
Interventions
VentaProst (inhaled epoprostenol delivered via a dedicated delivery system)
Drug
Lead sponsor
Aerogen Pharma Limited
Industry
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Sep 24, 2026, 10:04 AM EDT
Completed Phase 4 Interventional

A Transition Study From Flolan® to Remodulin® in Patients With Pulmonary Arterial Hypertension

NCT00058929
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Pulmonary Hypertension
Interventions
treprostinil sodium
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
8
States / cities
Los Angeles, California • Torrance, California • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2013 · Synced Sep 24, 2026, 10:04 AM EDT
Withdrawn Phase 2Phase 3 Interventional

Safety and Efficacy of Perioperative Remodulin® in Orthotopic Liver Transplant Recipients

NCT01884038
View directory record Official record
Conditions
Liver Transplant
Interventions
treprostinil sodium, Placebo
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 18, 2023 · Synced Sep 24, 2026, 10:04 AM EDT