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Showing 1–24 of 81 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Remodulin Clear all
Completed Phase 2 Interventional Results available

Treprostinil Therapy For Patients With Interstitial Lung Disease And Severe Pulmonary Arterial Hypertension

NCT00705133
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Interstitial Lung Disease, Idiopathic Pulmonary Fibrosis
Interventions
Treprostinil
Drug
Lead sponsor
Rajan Saggar
Other
Eligibility
Not listed
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 8, 2020 · Synced Sep 9, 2026, 10:00 AM EDT
Terminated Phase 2 Interventional Results available

Remodulin as Add-on Therapy for the Treatment of Persistent Pulmonary Hypertension of the Newborn

NCT02261883
View directory record Official record
Conditions
Persistent Pulmonary Hypertension of the Newborn
Interventions
IV Remodulin, Placebo
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
1 Hour to 14 Days
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
14
States / cities
Little Rock, Arkansas • Los Angeles, California • Palo Alto, California + 11 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2024 · Synced Sep 9, 2026, 10:00 AM EDT
Terminated Phase 2 Interventional Results available

Open-Label Study of Oral Treprostinil in Digital Ulcers

NCT00848107
View directory record Official record
Conditions
Systemic Sclerosis
Interventions
treprostinil diethanolamine
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
22
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Los Angeles, California + 19 more
Source: ClinicalTrials.gov public record
Updated Jun 17, 2024 · Synced Sep 9, 2026, 10:00 AM EDT
Withdrawn Phase 3 Interventional

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

NCT00760916
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
UT-15C 1 mg, UT-15C 0.25 mg, UT-15C 5 mg, Placebo
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
26
States / cities
Birmingham, Alabama • Los Angeles, California • Sacramento, California + 19 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2013 · Synced Sep 9, 2026, 10:00 AM EDT
Completed Phase 1 Interventional

Safety and Efficacy of Treprostinil in Ischemia and Reperfusion Injury in Adult Orthotopic Liver Transplantation

NCT01481974
View directory record Official record
Conditions
Ischemia Reperfusion Injury
Interventions
Treprostinil
Drug
Lead sponsor
Abhinav Humar, MD
Other
Eligibility
18 Years to 70 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 14, 2023 · Synced Sep 9, 2026, 10:00 AM EDT
Terminated No phase listed Observational

Impact of Inhaled Treprostinil Sodium on Ventilation Perfusion Matching

NCT01494896
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Chronic Obstructive Pulmonary Disease
Interventions
Not listed
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 80 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
3
States / cities
Jacksonville, Florida • Weston, Florida
Source: ClinicalTrials.gov public record
Updated May 6, 2015 · Synced Sep 9, 2026, 10:00 AM EDT
Completed Phase 3 Interventional Results available

An Open-Label, Long-Term Study of Oral Treprostinil in Subjects With Pulmonary Arterial Hypertension

NCT01560637
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
UT-15C (treprostinil diolamine)
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
471 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2021
U.S. locations
38
States / cities
Phoenix, Arizona • Tucson, Arizona • Fresno, California + 33 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2022 · Synced Sep 9, 2026, 10:00 AM EDT
Terminated No phase listed Observational

Evaluate Real-World Use of Next Generation Infusion Pumps to Administer Remodulin

NCT05060315
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Remunity Pump for Remodulin
Combination Product
Lead sponsor
United Therapeutics
Industry
Eligibility
22 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Morrisville, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 15, 2025 · Synced Sep 9, 2026, 10:00 AM 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 9, 2026, 10:00 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Food on the Pharmacokinetics of Oral Treprostinil

NCT00963001
View directory record Official record
Conditions
Hypertension, Pulmonary, Pulmonary Arterial Hypertension
Interventions
Treprostinil diethanolamine, Standardized meals
Drug · Other
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Mar 7, 2010 · Synced Sep 9, 2026, 10:00 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic Interaction of Oral Treprostinil and Ethanol in Healthy Volunteers

NCT02318758
View directory record Official record
Conditions
Healthy
Interventions
UT-15C, ethanol
Drug · Other
Lead sponsor
United Therapeutics
Industry
Eligibility
21 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Mar 23, 2015 · Synced Sep 9, 2026, 10:00 AM EDT
Terminated Not applicable Interventional Results available

Perioperative Treprostinil in Pediatric Patients Undergoing the Fontan Operation

NCT02498444
View directory record Official record
Conditions
Single Ventricle
Interventions
Treprostinil
Drug
Lead sponsor
Stanford University
Other
Eligibility
1 Year to 18 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Mar 30, 2022 · Synced Sep 9, 2026, 10:00 AM 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 9, 2026, 10:00 AM EDT
Completed Phase 3 Interventional Results available

FREEDOM - M: Oral Treprostinil as Monotherapy for the Treatment of Pulmonary Arterial Hypertension (PAH)

NCT00325403
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Oral treprostinil (UT-15C) Sustained Release Tablets, Placebo
Drug · Other
Lead sponsor
United Therapeutics
Industry
Eligibility
12 Years to 75 Years
Enrollment
349 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
43
States / cities
Birmingham, Alabama • Phoenix, Arizona • Fresno, California + 34 more
Source: ClinicalTrials.gov public record
Updated Jan 2, 2024 · Synced Sep 9, 2026, 10:00 AM EDT
Completed Phase 4 Interventional Results available

EXPEDITE: A Study of Remodulin Induction Followed by Orenitram Optimization to Treat Pulmonary Arterial Hypertension

NCT03497689
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Intravenous/Subcutaneous Treprostinil; Oral Treprostinil
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
11
States / cities
Fresno, California • Torrance, California • Orlando, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2023 · Synced Sep 9, 2026, 10:00 AM EDT
Active, not recruiting Phase 4 Interventional

A Study of a Mean Pulmonary Artery Pressure-Targeted Approach With Early and Rapid Treprostinil Therapy to Reverse Right Ventricular Remodeling in Participants With Pulmonary Arterial Hypertension

NCT05203510
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Parenteral Treprostinil, Oral Treprostinil
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
28
States / cities
Phoenix, Arizona • Fresno, California • Los Angeles, California + 23 more
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Sep 9, 2026, 10:00 AM EDT
Terminated Phase 3 Interventional Results available

Open-label Extension of Oral Treprostinil in Subjects With PH Associated With HFpEF

NCT03043651
View directory record Official record
Conditions
Pulmonary Hypertension Associated With HFpEF
Interventions
Oral treprostinil
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years to 85 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
82
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 66 more
Source: ClinicalTrials.gov public record
Updated Oct 21, 2020 · Synced Sep 9, 2026, 10:00 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 12, 2010 · Synced Sep 9, 2026, 10:00 AM 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 9, 2026, 10:00 AM EDT
Terminated Phase 2Phase 3 Interventional

Effects of Remodulin in Patients With Critical Limb Ischemia Following a Vein Bypass Graft

NCT00067041
View directory record Official record
Conditions
Peripheral Vascular Disease
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
U.S. locations
4
States / cities
Springfield, Illinois • Worcester, Massachusetts • Albany, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2013 · Synced Sep 9, 2026, 10:00 AM EDT
Recruiting Phase 3 Interventional

Study of the Efficacy and Safety of Inhaled Treprostinil in Subjects With Progressive Pulmonary Fibrosis (TETON-PPF)

NCT05943535
View directory record Official record
Conditions
Progressive Pulmonary Fibrosis, Interstitial Lung Disease
Interventions
Placebo, Inhaled Treprostinil, Treprostinil Ultrasonic Nebulizer
Drug · Device
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
698 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
74
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 60 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Sep 9, 2026, 10:00 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 9, 2026, 10:00 AM 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 9, 2026, 10:00 AM 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 12, 2020 · Synced Sep 9, 2026, 10:00 AM EDT