6. Adequate hematological, hepatic, and renal function as defined by the following: absolute neutrophil count (ANC) ≥ 1.5 x 109/L, platelet count ≥ 100 x 109/L, total bilirubin ≤ 1.5 × the upper limit of normal (ULN), aspartate aminotransferase (AST) and alanine aminotransferase (ALT) ≤ 2.5 × ULN (AST/ALT ≤ 5 × ULN if documented hepatic involvement), creatinine ≤ 1.5 mg/dL or if serum creatinine is elevated then patient has a calculated creatinine clearance ≥ 50 mL/min.