Multiple plastic stents versus covered metal stent for treatment of anastomotic biliary strictures after liver transplantation: a prospective, randomized, multicenter trial

cSEMSs for treatment of ABSs needed less endoscopic interventions to achieve similar efficacy as MPS and might become a new treatment standard. However, the optimal duration of cSEMS therapy and cost-efficacy have to be evaluated. (Clinical trial registration number: NCT01393067.)