Tokyo, Jan. 5 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000060161) titled 'An Exploratory Study on the Association Between Bile, Duodenal Fluid, and Tissue Specimens and the Formation of Biliary Sludge and Stent Occlusion in Patients Undergoing Endoscopic Retrograde Cholangiopancreatography (ERCP)' on Jan. 5.

Study Type: Observational

Primary Sponsor: Institute - Tsukuba Universiy

Condition: Condition - Common bile duct stones, Benign biliary strictures, Malignant biliary strictures caused by pancreatic cancer or distal bile duct cancer Classification by malignancy - Malignancy Genomic information - NO

Objective: Narrative objectives1 - To elucidate the factors and underlying mechanisms ...