7. Patients must have normal organ and marrow function as defined: a) leukocytes =/>3,000/mcL; b) absolute neutrophil count =/>1,500/mcL; c) platelets =/>100,000/mcL; d) total bilirubin < 1.5 X institutional normal limits (subjects with known Gilbert syndrome are eligible with total bilirubin < 3.0 mg/dL); e) AST(SGOT)/ALT(SGPT) =/< 3 X institutional upper limit of normal; f) creatinine within normal institutional limits OR g) creatinine clearance =/>60 mL/min/1.73 m^2 for patients with creatinine levels above institutional normal.