8. Adequate hepatic function, as evidenced by serum bilirubin values <6.0 mg/dL and serum alanine transaminase (ALT) and/or aspartate transaminase (AST) values <3 × the upper limit of normal (ULN) of the local laboratory reference range. (Patients with isolated elevations in alkaline phosphatase [ALP] <5 × ULN in the presence of bony disease are not excluded from participating in the study)