Overview An Open-Label Extension of BPS-MR-PAH-201 in Pulmonary Arterial Hypertension (PAH) Patients Status: Completed Trial end date: 2013-11-30 Target enrollment: Participant gender: Summary This is an open-label extension study for patients who participated in the BPS-MR-PAH-201 study. Phase: Phase 2 Details Lead Sponsor: Lung Biotechnology PBCTreatments: BeraprostEpoprostenol