Tokyo, Sept. 12 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000062881) titled 'A multicenter retrospective study on the prevention of impaired bile outflow by endoscopic biliary drainage following complete removal of common bile duct stones' on Sept. 12.

Study Type: Observational

Primary Sponsor: Institute - Oita Sanai Medical Center

Condition: Condition - common bile duct stone, acute cholangitis Classification by malignancy - Others Genomic information - NO

Objective: Narrative objectives1 - This study aims to evaluate patients who underwent endoscopic stone extraction via ERCP for common bile duct stones, focusing on two major objectives:

1. Preventive effect of endoscopic biliary drai...