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

NCT00323297 · clinicaltrials.gov ↗

PHASE4

Phase

COMPLETED

Status

105

Enrollment

INDUSTRY

Sponsor class

Conditions

Pulmonary Arterial Hypertension

Interventions

DRUG: Bosentan
OTHER: Placebo
DRUG: Bosentan
DRUG: Sildenafil Citrate

Sponsor

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