NCT04391426 2021-09-28Analysis of Biliary Microbiota in Hepatobiliopancreatic Diseases Compared to Healthy People [MICROBILIO]University of Sao PauloUnknown100 enrolled
NCT01739465 2013-02-26Comparison of Endoscopic Radiofrequency Ablation Versus Photodynamic Therapy for Inoperable CholangiocarcinomaGuangzhou Medical UniversityPhase 2/3 Unknown120 enrolled