 6. Patients must have normal organ and marrow function as defined here: leukocytes 3,000mcL, absolute neutrophil count 1,500mcL, platelet count 100,000mcL, serum bilirubin within normal institutional limits, ASTSGOTALTSGPT 2.5 X upper limit of normal, and creatinine within normal institutional limits or creatinine clearance 60 mLmin1.73 m2 for patients. These tests must be done within 1 week of study treatment. 