7. Adequate hematologic, renal, and hepatic function was required as deWned by the following: WBC ≥4×109/L, absolute neutrophil count ≥ 1.5×109/L, platelet count ≥100×109/L, hemoglobin ≥ 9g/dL, total bilirubin ≤2 upper limit of normal [ULN],AST ≤ 1.5 ULN, or ≤ 3 ULN if there was evidence of liver metastases; alkaline phosphatase ≤ 1.5 ULN, or ≤ 3 ULN if there was evidence of liver Metastases; creatinine clearance ≥50 mL/min.