Study Evaluating the Addition of Sildenafil to Bosentan Therapy in Pulmonary Arterial Hypertension

NCT00780728 · clinicaltrials.gov ↗

PHASE3

Phase

WITHDRAWN

Status

OTHER

Sponsor class

Conditions

Hypertension, Pulmonary

Interventions

DRUG: Sildenafil

Sponsor

University Health Network, Toronto