Cadonilimab Combined With Gem/Cis as First Line Therapy in Patients With Advanced ICC

Cadonilimab (500mg, iv, Q3W, Day1) with gemcitabine(1000mg/m\^2, iv, Q3W, Day1and Day8) plus cisplatin(25mg/m\^2, iv, Q3W, Day1and Day8) up to 8 cycles followed by cadonilimab (500mg, iv, Q3W, Day1) plus capecitabine（1000 mg/m\^2 orally according to Body Surface Area (BSA)，BID，Q3W，on Days 1-14）as maintenance therapy until disease progression or other discontinuation criteria, up to 24months.