Clinical Trial Information A Phase 3 open-label extension (OLE) study to evaluate the long-term safety and efficacy of ralinepag in subjects with World Health Organization (WHO) Group 1 pulmonary arterial hypertension (PAH) (ADVANCE Extension) Protocol Number: 14296 Status: Open Treatment Type: Treatment Secondary Protocol No.: ROR-PH-303 (APD811-303) Phase: III NCT ID: NCT03683186 Scope Information Scope: National Disease Site(s): Other