Obtained =< days prior to registration: aspartate aminotransferase (AST) =< x institutional upper limit of normal (ULN) Aspartate aminotransferase (AST) < x institutional upper limit of normal (ULN) within days of enrollment to trial Obtained =< days prior to registration and confirmed prior to the first dose of study drug: Aspartate aminotransferase (AST) =< x institutional upper limit of normal (ULN) Aspartate aminotransferase (AST) =< upper limit of institutional normal Serum aspartate aminotransferase (AST) < x institutional upper limit of normal (IULN) Aspartate aminotransferase (AST) =< times the institutional upper limit of normal Aspartate aminotransferase (AST) < times the upper limit of institutional normal Aspartate aminotransferase (AST) =< times the institutional upper limit of normal Aspartate aminotransferase (AST) > . x institutional upper limit of normal Aspartate aminotransferase (AST) =< . x institutional upper limit of normal Aspartate aminotransferase =< x institutional upper limit of normal (ULN), obtained =< days prior to registration and confirmed prior to the first dose of study drug Obtained =< days prior to registration: Aspartate aminotransferase (AST) =< x institutional upper limit of normal (ULN) Aspartate aminotransferase (AST) < . X institutional upper limit of normal Aspartate aminotransferase (AST) =< x upper limit of institutional normal Aspartate aminotransferase (AST) < . X institutional upper limit of normal AST < . X institutional upper limit of normal Aspartate aminotransferase (AST) x upper limit of normal (based on institutional standards) Aspartate aminotransferase (AST) =< . x upper limit of institutional normal Aspartate aminotransferase (AST) =< upper limit of institutional normal