Adequate bone marrow, renal and hepatic function parameters: ANC more than 2000/mm3, platelet count more than 100 000/mm3, hemoglobin more than 90 g/L; Total bilirubin less than 1.5 x upper limit of normal，ALT and AST less than 2.5 x upper limit of normal，less than 5.0 x upper limit of normal in case of liver metastases; serum creatinine less than 1.5 x upper limit of normal, creatinine clearance rate more than 50 ml/min (as calculated according to Cockcroft-Gault formula for GFR estimate); Relatively normal ECG (electrocardiogram), QT intervals below 450 ms (male) ,QT intervals below 470 ms (female); LVEF more than 50%.