Tokyo, July 6 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000062135) titled 'Precut-first Strategy versus Direct EUS-guided Rendezvous Strategy for Difficult Biliary Cannulation: A Multicenter Retrospective Study' on July 6.

Study Type: Observational

Primary Sponsor: Institute - University of Tsukuba Hospital

Condition: Condition - Difficult Biliary Cannulation (Endoscopic Retrograde Cholangiopancreatography in Naive Papilla) Classification by malignancy - Others Genomic information - NO

Objective: Narrative objectives1 - To clarify the optimal salvage strategy by analyzing the clinical outcomes of precut papillotomy and EUS-guided rendezvous (EUS-RV) in real-world practice. Basic objectiv...