Overview Clinical Study to Evaluate the Effects of Macitentan on Exercise Capacity in Subjects With Eisenmenger Syndrome Status: Completed Trial end date: 2016-12-01 Target enrollment: Participant gender: Summary Clinical study to assess the efficacy, safety, and tolerability of macitentan in subjects with Eisenmenger Syndrome. Phase: Phase 3 Details Lead Sponsor: ActelionTreatments: Macitentan