Apatinib Plus Camrelizumab in Patients With Previously Treated Advanced Biliary Tract Cancer

Patients received apatinib orally at 250 mg once a day irrespective of the patient weight. During the treatment, apatinib can reduced to half of piece or once every other day considering the grade of treatment related adverse events. Camrelizumab 200 mg was administered intravenously over 30 minutes every 3 weeks. The intermittent period of camrelizumab was no longer than 6 weeks. All patients continued combination treatment until disease progression, unacceptable toxicity, or discontinuation for any reason.