Status:

COMPLETED

Assess the Efficacy and Safety of Sildenafil When Added to Bosentan in the Treatment of Pulmonary Arterial Hypertension

Lead Sponsor:

Pfizer's Upjohn has merged with Mylan to form Viatris Inc.

Conditions:

Pulmonary Arterial Hypertension

Eligibility:

All Genders

18+ years

Phase:

PHASE4

Brief Summary

To assess the efficacy and safety of sildenafil when added to patients with PAH who are taking bosentan as all or part of their background therapy.

Eligibility Criteria

Inclusion

  • Subjects aged 18 and over above with PAH and for which bosentan therapy is indicated according to national license
  • Subjects with a mean pulmonary artery pressure of \>25mmHg and a pulmonary artery wedge pressure of \<15mmHg at rest via right heart catheterization within 3 years prior to randomization.
  • Subjects whose baseline 6 Minute Walk Test distance is \>100m and \< 450m.

Exclusion

  • PAH secondary to any aetiology including congenital heart disease other than those specified in the inclusion criteria
  • Subjects whose 6 Minute Walk Test may be limited by conditions other than PAH related dyspnoea or fatigue eg. claudication from vascular insufficiency or arthritis.

Key Trial Info

Start Date :

September 1 2006

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

August 1 2013

Estimated Enrollment :

105 Patients enrolled

Trial Details

Trial ID

NCT00323297

Start Date

September 1 2006

End Date

August 1 2013

Last Update

February 1 2021

Active Locations (30)

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Page 1 of 8 (30 locations)

1

West Los Angeles VA Healthcare, Pulmonary Hypertension Program

Los Angeles, California, United States, 90073

2

Henry Ford Hospital

Detroit, Michigan, United States, 48202

3

Allegheny General Hospital

Pittsburgh, Pennsylvania, United States, 15212

4

Baylor College of Medicine

Houston, Texas, United States, 77030