- Adequate organ function as defined by a white blood cell (WBC) count of 4,000/L; a platelet count of 100,000/L; a Hemoglobin level of 10 g/dL; a serum creatinine of 1.5 mg/dL or creatinine clearance of 60 mL/min; and a direct bilirubin level of 1.5 mg/dL.