Study of Irinotecan Liposome Injection in Patients With Advanced Biliary Tract Cancer

Inclusion criteria

• .At least one measurable lesion according to RECIST 1.1. 4.Previous first-line standard system chemotherapy failed. First-line standard chemotherapy is defined as gemcitabine combined with capecitabine or platinum.
• .Patients with prior local treatment (embolization, chemoembolization, radiofrequency ablation, or radical radiotherapy) must be completed at least 4 weeks before the first administration of the study drug, palliative decompensated radiotherapy (such as bone metastases) must be completed at least 2 weeks before the first administration of the study drug.
• .Eastern Cooperative Oncology Group (ECOG) performance status 0 to 1. 7.Life expectancy \>3 months. 8.Adverse reactions must recover to grade 1 or baseline according to CTCAE 5.0 (except for toxicity such as alopecia, grade 2 or less sensory neuropathy, etc., which have been judged no safety risk by investigators).
• .Patients should not receive cell growth factors or blood and platelet transfusion within 7 days before the initiate administration of study drug, and laboratory test should meet the following criteria: neutrophile count ≥1.5×10\^9/L;platelet count ≥90×10\^9/L; hemoglobin ≥90 g/L or ≥5.6 mmol/L;serum creatinine ≤1.5×ULN or creatinine clearance rate must be ≥ 50 mL/min when serum creatinine \>1.0×ULN;total bilirubin ≤1.5×ULN; aspartate aminotransferase (AST) and alanine aminotransferase (ALT) ≤2.5×ULN or ≤2.5×ULN if intrahepatic lesions exist;Albumin ≥3 g/dL.