Overview ACT-293987 in Pulmonary Arterial Hypertension Status: Active, not recruiting Trial end date: 2023-10-31 Target enrollment: Participant gender: Summary Long-term, single-arm, multicenter, open-label extension, Phase 3 study, to evaluate the safety and tolerability of ACT-293987 in patients with PAH who participated in the double-blind study AC-065A302 (GRIPHON) Phase: Phase 3 Details Lead Sponsor: ActelionTreatments: Selexipag