- Patients must have normal organ and marrow function: AST/ALT ≤2.5x institutional upper limit of normal except for patients with liver metastases. For patients with liver metastases, AST/ALT/Alkaline phosphatase ≤5.0x institutional upper limit of normal. Total bilirubin within institutional limits except for patients with liver metastases. For patients with liver metastases, total bilirubin ≤1.5x institutional upper limit of normal. Creatinine clearance within normal limits or ≥ 60mL/min, PT and PTT ≤1.5x institutional upper limit of normal except for patients on Coumadin or low molecular weight heparin, leukocytes ≥3,000/μl, absolute neutrophil count ≥1,000/μl, and platelets ≥75,000/μl