Overview PORtopulmonary Hypertension Treatment wIth maCitentan - a randOmized Clinical Trial Status: Completed Trial end date: 2018-10-31 Target enrollment: Participant gender: Summary 24-week study to evaluate the efficacy and safety of macitentan for the treatment of portopulmonary hypertension. Phase: Phase 4 Details Lead Sponsor: ActelionTreatments: Macitentan