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Completed Phase 3 Interventional Results available

Phase III Clinical Worsening Study of UT-15C in Subjects With PAH Receiving Background Oral Monotherapy

ClinicalTrials.gov ID: NCT01560624

Public ClinicalTrials.gov record NCT01560624. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 21, 2026, 9:17 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase III, International, Multi-Center, Randomized, Double-Blind, Placebo-Controlled, Clinical Worsening Study of UT-15C in Subjects With Pulmonary Arterial Hypertension Receiving Background Oral Monotherapy

Study identification

NCT ID
NCT01560624
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
United Therapeutics
Industry
Enrollment
690 participants

Conditions and interventions

Interventions

  • Treprostinil Diolamine Drug
  • Placebo Drug

Drug

Eligibility (public fields only)

Age range
18 Years to 75 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jun 25, 2012
Primary completion
Jun 23, 2018
Completion
Jun 23, 2018
Last update posted
Feb 12, 2020

2012 – 2018

United States locations

U.S. sites
40
U.S. states
23
U.S. cities
36
Facility City State ZIP Site status
Arizona Pulmonary Specialists, Ltd. Phoenix Arizona 85012
University of Arizona Tucson Arizona 85724
University of California, San Francisco-Fresno Fresno California 93721
Cedars-Sinai Medical Center Los Angeles California 90211
University of California-Davis Medical Group, Advanced Lung Disease/Transplant Program Sacramento California 95817
David Geffen School of Medicine Torrance California 90502
University of Colorado Hospital Aurora Colorado 80045
University of Florida Gainesville Florida 32610
University of Florida College of Medicine Jacksonville- Division of Pulmonary & Critical Medicine Jacksonville Florida 32209
University of Florida College of Medicine Jacksonville Jacksonville Florida 32209
University of Florida College of Medicine, Jacksonville Jacksonville Florida 32209
Cleveland Clinic Florida Weston Florida 33331
Emory University Hospital Atlanta Georgia 30322
Augusta University Augusta Georgia 30912
Piedmont - Georgia Lung Associates Austell Georgia 30106
HeartCare Midwest Peoria Illinois 61614
Indiana University Hospital Carmel Indiana 46032
University of Iowa Hospitals and Clinics Iowa City Iowa 55242
Kentuckiana Pulmonary Associates Louisville Kentucky 40202
University of Maryland Baltimore Maryland 21201
Tufts Medical Center Boston Massachusetts 02111
Massachusetts General Hospital Boston Massachusetts 02114
Henry Ford Health System Detroit Michigan 48202
Beaumont Health Troy Michigan 48085
Nebraska Medical Center Omaha Nebraska 68198-5990
Newark Beth Israel Medical Center Newark New Jersey 07112
University of Rochester Rochester New York 14642
Asheville Cardiology Associates Asheville North Carolina 28803
University of Cincinnati Cincinnati Ohio 45267-0564
University Hospital Cleveland Ohio 44106
The Ohio State University Columbus Ohio 43321
Oregon Health and Science University Portland Oregon 97201-3098
Legacy Research Institute Portland Oregon 97210
Perelman Center for Advanced Medicine; University of Pennsylvania Philadelphia Pennsylvania 19104
University of Pittsburgh Medical Center - Presbyterian Cardiovascular Institute Pittsburgh Pennsylvania 15213
Rhode Island Hospital Providence Rhode Island 02903
The University of Texas Health Science Center at Houston Houston Texas 77030
Sentara Cardiovascular Research Institute Norfolk Virginia 23507
Virginia Commonwealth University Richmond Virginia 23298
Aurora Saint Luke's Medical Center Milwaukee Wisconsin 53215

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 115 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01560624, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Feb 12, 2020 · Synced Jul 21, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01560624 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →