Spots Global Cancer Trial Database for Fully Covered SEMS Versus Partially Covered SEMS With Anti-migration System for Malignant Distal Biliary Obstruction

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Trial Identification

Brief Title: Fully Covered SEMS Versus Partially Covered SEMS With Anti-migration System for Malignant Distal Biliary Obstruction

Official Title: Comparison Between Fully Covered and Partially Covered Self-expandable Metal Stents With Anti-migration System for Malignant Distal Biliary Obstruction

Study ID: NCT02255669

Conditions

Biliary Tract Neoplasms

Interventions

partially covered SEMS

fully covered SEMS

Study Description

Brief Summary: The purpose of this study is to compare the duration of stent patency between partially covered and fully covered SEMS for palliation of malignant distal bile duct obstruction.

Detailed Description: Endoscopic stent placement has been used as a principle palliative method in patients with unresectable distal malignancy biliary obstruction. It has been pivotal in providing relief from obstructive jaundice, improving the quality of life, and allowing the maintenance of chemotherapy. Although SEMSs have been reported to be superior to plastic stents in terms of stent patency, they still have some debatable issues ; in uncovered SEMS, stent occlusion due to epithelial hyperplasia and tumor ingrowth through the metal mesh is a frequent problem, whereas covered SEMSs are prone to migration. The aim of the current study is to compare the duration of stent patency between partially covered and fully covered SEMS as a primary objective, and investigate overall patient survival, stent occlusion rate, and incidence of adverse events including stent dysfunction as secondary objectives.