Efficacy and Safety Study of Nab-Paclitaxel Combined With Cisplatin in Second or Later-Line Treatment in Advanced Biliary Tract Cancers

To verify the role of nab-paclitaxel in second or later-line treatment in advanced biliary tract cancers, the investigators designed a prospective, exploratory, single arm,single center phase II trial, to investigate the efficacy and safety of nab-paclitaxel combined with cisplatin as second or later-line treatment in advanced biliary tract cancers.