 6. Patients should have adequate bone marrow function defined as an absolute peripheral granulocyte count AGC of 1500 cellsmm3 and platelet count of 100,000 cellsmm3; adequate hepatic function with total bilirubin Upper Limit of Normal ULN, aspartate aminotransferase AST or SGOT and alanine aminotransferase ALT or SGPT may be up to 2.5 times the upper limit of normal if alkaline phosphatase is normal. Alkaline phosphatase may be up to 4 ULN if aspartate aminotransferase AST or SGOT and alanine aminotransferase ALT or SGPT are normal. Patients who have SGPT 1.5 ULN and alkaline phosphatase 2.5 ULN are not eligible. 