U.S., Oct. 31 -- ClinicalTrials.gov registry received information related to the study (NCT07906782) titled 'Detection of Residual Bile Duct Stones by Cholangioscopy After Negative ERCP Cholangiography and Interobserver Agreement: A Self-Controlled Study' on Oct. 17.

Brief Summary: Common bile duct stones (CBDS) are a common biliary disorder, and endoscopic retrograde cholangiopancreatography (ERCP) is currently the primary minimally invasive approach for their diagnosis and treatment. Complete duct clearance is generally assessed by cholangiography after stone extraction. However, conventional cholangiography may fail to detect residual stones because of air-bubble artifacts, small stone size, biliary sludge, mucosal folds, or impacted st...