No Benefit of Endoscopic Sphincterotomy Before Biliary Placement of Self-Expandable Metal Stents for Unresectable Pancreatic Cancer

ES before SEMS does not affect the incidence of AEs, SEMS patency, or patient survival times. Our data provide no evidence for a benefit of ES to patients undergoing SEMS placement for a biliary stricture caused by pancreatic cancer. UMIN clinical trials registry number: 000004044.