RT Journal Article SR Electronic A1 Vinall, Maria T1 Subgroup Analysis of BENEFiT Trial to Evaluate Effect of Bosentan for Patients with CTEPH JF MD Conference Express YR 2007 FD SAGE Publications VO 7 IS 5 SP 14 OP 15 DO 10.1177/155989770700700510 UL http://mdc.sagepub.com/content/7/5/14.abstract AB This article discusses results of a pre-defined subgroup analysis from the bosentan for inoperable chronic thromboembolic pulmonary hypertension [BENEFiT] trial. The BENEFiT study is the first double-blind, placebo-controlled trial designed to evaluate the safety and efficacy of bosentan for patients with inoperable chronic thromboembolic pulmonary hypertension, one of the leading causes of pulmonary arterial hypertension.