10. Patients must have adequate organ and marrow function as follows: leukocytes >/= 3,000/mcL; absolute neutrophil count >/= 1,500/mcL; platelets >/= 100,000/mcL; total bilirubin within normal institutional limits; aspartate aminotransferase (AST or SGOT) and alanine aminotransferase (ALT or SGPT) </= 2.5 times institutional upper limit of normal; creatinine within normal institutional limits OR creatinine clearance >/= 40 mL/min/1.73 m2 for patients with creatinine levels above institutional normal