5. Required laboratory values: Absolute neutrophil count (ANC)>/= 1500 cells/mm^3, platelet count >/= 100,000 cells/mm^3, hemoglobin >/= 9 gm/L; bilirubin </= 1.5 * upper limit of normal (ULN), alanine aminotransferase (ALT) and aspartate aminotransferase (AST) </= 2.5 * ULN; serum creatinine </= 2.0 * ULN