A Dose Response Study of UT-15C SR in Patients With Exercise-Induced Pulmonary Hypertension

ClinicalTrials.gov ID: NCT01104870

Public ClinicalTrials.gov record NCT01104870. 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.

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ClinicalTrials.gov public records Last synced May 4, 2026, 1:32 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 12-Week, Randomized, Dose Response Study of UT-15C (Treprostinil Diethanolamine) SR in Patients With Exercise-Induced Pulmonary Hypertension

Study identification

NCT ID: NCT01104870
Recruitment status: Completed
Study type: Interventional
Phase: Phase 2
Lead sponsor: United Therapeutics; Industry
Enrollment: 50 participants

Conditions and interventions

Conditions

Pulmonary Hypertension

Interventions

UT-15C 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: Mar 31, 2010
Primary completion: Dec 31, 2012
Completion: Dec 31, 2012
Last update posted: May 26, 2016

2010 – 2013

United States locations

U.S. sites: 9
U.S. states: 5
U.S. cities: 8

Facility	City	State	ZIP	Site status
St. Joseph's Hospital and Medical Center	Phoenix	Arizona	85013	—
University of Arizona	Tucson	Arizona	87524	—
University of California Los Angeles Pulmonary Division	Los Angeles	California	90095	—
University of California Davis Medical Center	Sacramento	California	95817	—
University of Rochester Medical Center, Mary Parkes Center	Rochester	New York	14623	—
The Carl and Edyth Lindner Research Center at The Christ Hospital	Cincinnati	Ohio	45219	—
University of Cincinnati	Cincinnati	Ohio	45267	—
The Ohio State University Medical Center	Columbus	Ohio	43221	—
University of Pittsburgh Medical Center	Pittsburgh	Pennsylvania	15213	—

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

About this trial record page

What this page shows: Public field values for ClinicalTrials.gov record NCT01104870, 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 May 26, 2016 · Synced May 4, 2026

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The complete protocol, eligibility criteria, and contact information for NCT01104870 live on ClinicalTrials.gov.

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