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Completed Phase 3 Interventional

Phase III Randomized Study of UT-15 in Patients With Primary Pulmonary Hypertension

ClinicalTrials.gov ID: NCT00004497

Public ClinicalTrials.gov record NCT00004497. 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 Oct 23, 2026, 3:41 PM EDT

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

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

OBJECTIVES: I. Determine the safety and efficacy of UT-15 in patients with severe symptomatic primary pulmonary hypertension.

Study identification

NCT ID
NCT00004497
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
United Therapeutics
Industry
Enrollment
Not listed

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
8 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
Oct 1998 (Type not available)
Primary completion
Not listed
Completion
Sep 2000 (Type not available)
Last update posted
Mar 25, 2015

1998 – 2000

United States locations

U.S. sites
7
U.S. states
7
U.S. cities
7
Facility City State ZIP Site status
Los Angeles County Harbor-UCLA Medical Center Torrance California 90509 —
Rush-Presbyterian-St. Luke's Medical Center Chicago Illinois 60612 —
University of Maryland Medical System Baltimore Maryland 21201 —
Mayo Clinic Rochester Minnesota 55905 —
Columbia University College of Physicians and Surgeons New York New York 10032 —
United Therapeutics Corporation Research Triangle Park North Carolina 27709 —
Vanderbilt University Medical Center Nashville Tennessee 37232-2516 —

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 NCT00004497, 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 Mar 25, 2015 · Synced Oct 23, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00004497 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →