11. Patients should have adequate bone marrow function, as defined by peripheral granulocyte count of >/= 1500/mm^3, and a platelet count >/= 100000/ mm^3. Patients must have adequate liver function with a bilirubin within 1.5 times the upper limit of normal (ULN). Transaminases (SGPT) may be up to 5 * the ULN and alkaline phosphatase may be up to 5 * ULN