- Liver Safety Criteria: Alanine aminotransferase (ALT) <=2 the upper limit of normal (ULN), alkaline phosphatase and bilirubin <=1.5 ULN (isolated bilirubin >1.5 ULN is acceptable if bilirubin is fractionated and direct bilirubin is <35%) at Visit 1 (Screening and Run-in Visit)