hemoglobin ≥ 9.0 g/dl absolute neutrophil count ≥ 1.500/mm3 platelets ≥ 100.000/mm3. total bilirubin ≤ 1.5 times the upper limit of normality SGOT (AST) and/or SGPT (ALT) ≤ 2.5 times the upper limit of normality alkaline phosphatase ≤ 4 x ULN serum creatinine ≤1.5 upper limit of normality PT-INR/PTT < 1.5 x upper limit of normality creatinine clearance ≥ 40 ml/min using Cockcroft-Gaul