- Patients must have adequate bone marrow function (granulocyte count >= 1500/mm3, platelet count of > 100,000/mm3, and hemoglobin > 8 gm%), adequate liver function (total bilirubin <= 1.5 mg/dL, AST/ALT <= 2 x ULN), and adequate renal function (creatinine <= 1.5 mg/dL or creatinine clearance > 60 cc/min) before starting therapy. These tests must be performed within 14 days prior to registration. Eligibility level for hemoglobin may be reached by transfusion. Eligibility level for platelets may not be reached by transfusion.