- Patients have the following blood chemistry levels at Baseline: aspartate aminotransferase (AST or SGOT), alanine aminotransferase (ALT or SGPT) less than or equal 2.5x upper limit of normal (ULN) range (less than or equal 5x ULN if patient has known liver metastases); total bilirubin greater than or equal to ULN; creatinine greater or equal to 1.5mg/dL.