Overview Inhaled Treprostinil for PAH: Open-label Extension Status: Withdrawn Trial end date: 2018-12-01 Target enrollment: 0 Participant gender: All Summary Open-label extension of RIN-PH-302. Phase: Phase 3Accepts Healthy Volunteers? No Details Lead Sponsor: United TherapeuticsTreatments: Treprostinil Criteria Participation and completion of all required visits for study RIN-PH-302.