- aspartate aminotransferase (AST)/serum glutamic oxaloacetic transaminase (SGOT) and alanine aminotransferase (ALT)/serum glutamic pyruvic transaminase (SGPT) less than or equal to 2.5 times the upper limit of normal (ULN) (or less than or equal to 5 times the ULN if liver function abnormalities due to underlying malignancy)