11. Chemistry: . Serum alanine aminotransferase (ALT)/aspartate aminotransferase (AST) less than three times the upper limit of normal. Serum creatinine less than or equal to 1.6 mg/dl. Total bilirubin less than or equal to 2 mg/dl, except in patients with Gilbert's Syndrome who must have a total bilirubin less than 3 mg/dl.