Antireflux covered metal stent for nonresectable distal malignant biliary obstruction: Multicenter randomized controlled trial.

Tsuyoshi HamadaHiroyuki IsayamaYousuke Nakai Takuji IwashitaYukiko ItoTsuyoshi MukaiHiroshi YagiokaTomotaka SaitoOsamu TogawaShomei RyozawaKenji HiranoSuguru MizunoNatsuyo YamamotoHirofumi KogureIchiro YasudaKazuhiko Koike

Published in: Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society (2019)

The current ARMS was not associated with longer TRBO compared with the covered SEMS. Modifications including addition of an anti-migration system are required to use the current ARMS as first-line palliative treatment of distal MBO (UMIN-CTR clinical trial registration number: UMIN000014784).

Keyphrases

replacement therapy
randomized controlled trial
clinical trial
study protocol
minimally invasive
double blind
open label
phase ii
placebo controlled