Overview The Dublin Zepatier Study Status: Terminated Trial end date: 2019-12-06 Target enrollment: Participant gender: Summary Evaluation of Zepatier in a community-based setting among cirrhotic and non-cirrhotic patients on stable opiate substitution therapy. Phase: Phase 4 Details Lead Sponsor: Mater Misericordiae University HospitalCollaborator: Merck Sharp & Dohme Corp.Treatments: Elbasvir-grazoprevir drug combination