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Showing 1–20 of 20 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Tyvaso® Clear all
Completed Phase 4 Interventional Results available

Safety, Efficacy and Treatment Satisfaction in Patients With PAH Rapidly Switched From Epoprostenol to Remodulin

NCT00373360
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
treprostinil sodium
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 6, 2013 · Synced Sep 4, 2026, 3:29 PM EDT
Terminated Phase 2 Interventional Results available

Acute Effects of Inhaled Treprostinil in Fontan Patients

NCT02769624
View directory record Official record
Conditions
Congenital Heart Disease
Interventions
Treprostinil, Placebo
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 28, 2020 · Synced Sep 4, 2026, 3:29 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of C16TR for Inhalation With Tyvaso® Cohort in Healthy Participants

NCT06193031
View directory record Official record
Conditions
Healthy Volunteers
Interventions
C16TR, Placebo, Tyvaso®
Drug
Lead sponsor
Insmed Incorporated
Industry
Eligibility
18 Years to 45 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 4, 2024 · Synced Sep 4, 2026, 3:29 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 16, 2016 · Synced Sep 4, 2026, 3:29 PM 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 4, 2026, 3:29 PM EDT
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 23, 2015 · Synced Sep 4, 2026, 3:29 PM 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 4, 2026, 3:29 PM EDT
Completed Phase 2 Interventional Results available

The Qutenza Patch as Treatment for Disabling Treprostinil (Remodulin) Infusion Site Pain

NCT01260454
View directory record Official record
Conditions
Pulmonary Hypertension, Pulmonary Arterial Hypertension
Interventions
Qutenza (8% capsaicin)
Drug
Lead sponsor
University of Rochester
Other
Eligibility
15 Years to 80 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 20, 2016 · Synced Sep 4, 2026, 3:29 PM 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 4, 2026, 3:29 PM EDT
Completed Phase 2 Interventional Results available

Addition of UT-15C SR to Pulmonary Arterial Hypertension Patients Currently Receiving Tyvaso®

NCT01477333
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
UT-15C SR, Tyvaso Inhalation Solution
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
6
States / cities
Birmingham, Alabama • Rochester, Minnesota • St Louis, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 26, 2023 · Synced Sep 4, 2026, 3:29 PM 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 4, 2026, 3:29 PM EDT
Completed Phase 3 Interventional Results available

Beraprost-314d Added-on to Tyvaso® (BEAT)

NCT01908699
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Beraprost Sodium 314d Modified Release Tablets, Placebo
Drug
Lead sponsor
Lung Biotechnology PBC
Industry
Eligibility
18 Years to 80 Years
Enrollment
273 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
69
States / cities
Birmingham, Alabama • Beverly Hills, California • Fountain Valley, California + 55 more
Source: ClinicalTrials.gov public record
Updated Aug 2, 2020 · Synced Sep 4, 2026, 3:29 PM EDT
Terminated Phase 3 Interventional

Study of Remodulin in Patients With Critical Limb Ischemia With No Planned Revascularization Procedures

NCT00060996
View directory record Official record
Conditions
Critical Limb Ischemia, Peripheral Vascular Disease, Foot Ulcers, Rest Leg Pain
Interventions
Remodulin® (treprostinil sodium) Injection
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
7
States / cities
Tampa, Florida • Worcester, Massachusetts • Minneapolis, Minnesota + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2013 · Synced Sep 4, 2026, 3:29 PM EDT
Recruiting Phase 1Phase 2 Interventional

Safety and Efficacy of Treprostinil (Remodulin®) In Reducing Ischemia-Reperfusion Injury During Kidney Transplantation

NCT04005469
View directory record Official record
Conditions
Ischemia Reperfusion Injury, Delayed Graft Function
Interventions
Treprostinil
Drug
Lead sponsor
Rhode Island Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Sep 4, 2026, 3:29 PM EDT
Completed Phase 2 Interventional Results available

Remodulin® to Oral Treprostinil Transition

NCT01588405
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
UT-15C SR
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
15 Years to 80 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
6
States / cities
Phoenix, Arizona • Tucson, Arizona • St Louis, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated May 15, 2016 · Synced Sep 4, 2026, 3:29 PM EDT
Terminated Phase 4 Interventional Results available

Rapid Switch From Flolan to Remodulin in the Outpatient Clinic

NCT00643604
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
treprostinil sodium
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 70 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 2, 2024 · Synced Sep 4, 2026, 3:29 PM EDT
Completed Phase 2 Interventional

Inhaled Treprostinil in Sarcoidosis Patients With Pulmonary Hypertension

NCT03814317
View directory record Official record
Conditions
Sarcoidosis, Precapillary Pulmonary Hypertension, Interstitial Lung Disease
Interventions
Inhaled Treprostinil
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 99 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Sep 4, 2026, 3:29 PM EDT
Completed Phase 1 Interventional

Treatment of Pulmonary Hypertension Associated COPD With Inhaled Treprostinil-1

NCT01758744
View directory record Official record
Conditions
Pulmonary Hypertension, COPD
Interventions
Inhaled Treprostinil Therapy
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
30 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
2
States / cities
Aurora, Colorado • Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 19, 2016 · Synced Sep 4, 2026, 3:29 PM 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 4, 2026, 3:29 PM 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 Sep 4, 2026, 3:29 PM EDT