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Terminated Phase 4 Interventional Results available

To Assess The Efficacy and Safety Of Oral Sildenafil in the Treatment of Pulmonary Arterial Hypertension.

ClinicalTrials.gov ID: NCT00430716

Public ClinicalTrials.gov record NCT00430716. 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 Sep 5, 2026, 10:34 PM 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 MULTINATIONAL, MULTICENTRE, RANDOMIZED, PARALLEL GROUP, DOUBLE-BLIND STUDY TO ASSESS THE EFFICACY AND SAFETY OF 1MG, 5MG AND 20 MG TID OF ORAL SILDENAFIL IN THE TREATMENT OF SUBJECTS AGED 18 YEARS AND OVER WITH PULMONARY ARTERIAL HYPERTENSION (PAH)

Brief summary

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

To demonstrate a dose response for 1 mg, 5 mg and 20 mg TID oral sildenafil for the treatment of subjects with PAH.

Study identification

NCT ID
NCT00430716
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 4
Enrollment
130 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
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
Apr 7, 2008
Primary completion
May 24, 2010
Completion
May 24, 2010
Last update posted
Dec 21, 2020

2008 – 2010

United States locations

U.S. sites
15
U.S. states
8
U.S. cities
10
Facility City State ZIP Site status
Arizona Pulmonary Specialists, LTD Phoenix Arizona 85013
Medical College of Georgia Augusta Georgia 30912
Atlanta Institute for Medical Research, Inc. Decatur Georgia 30030
Chicago Heart Institute Elk Grove Village Illinois 60007
The Care Group, LLC Indianapolis Indiana 46260
The University of North Carolina at Chapel Hill Chapel Hill North Carolina 27599
Mid Carolina Cardiology Charlotte North Carolina 28204
Presbyterian Hospital Charlotte North Carolina 28204
Baylor College of Medicine Pulmonary Section Houston Texas 77030
St. Luke's Episcopal Hospital Houston Texas 77030
University of Utah Sciences Center Salt Lake City Utah 84132
CJW Chippenham Medical Center Richmond Virginia 23225
Pulmonary Associates of Richmond, Inc. Richmond Virginia 23225
Virginia Cardiovascular Specialists Richmond Virginia 23225
Cardiovascular Associates of Virginia Richmond Virginia 23230

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 31 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00430716, 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 Dec 21, 2020 · Synced Sep 5, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00430716 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →