Overview FUTURE 3 Study Extension Status: Completed Trial end date: 2020-05-29 Target enrollment: Participant gender: Summary The objectives of the FUTURE 3 Study Extension are to evaluate the long-term safety, tolerability and efficacy of the pediatric formulation of bosentan two versus three times a day in children with Pulmonary Arterial Hypertension (PAH). Phase: Phase 3 Details Lead Sponsor: ActelionTreatments: Bosentan