Overview Safety and Efficacy of Imatinib Mesylate in Patients With Pulmonary Arterial Hypertension Status: Completed Trial end date: 2014-01-01 Target enrollment: Participant gender: Summary This study will evaluate the safety, tolerability, and efficacy of imatinib mesylate in patients with pulmonary arterial hypertension Phase: Phase 2/Phase 3 Details Lead Sponsor: Novartis PharmaceuticalsTreatments: Imatinib Mesylate