- Any other disease(s), by history, physical examination, or laboratory abnormalities (including alanine aminotransferase [ALT] or aspartate aminotransferase [AST] > 2-fold the upper limit of normal, total bilirubin > 1.5 mg/dL, or creatinine > 1.8 mg/dL), that in the investigator's opinion, would present undue risk to the patient or could confound the interpretation of study results