5. Adequate organ function: total bilirubin </= 1.5 times upper limit of normal (x ULN) (</= 3 x ULN if considered to be due to leukemic involvement or Gilbert's syndrome); aspartate aminotransferase or alanine aminotransferase </= 2.5 x ULN (</= 5.0 x ULN if considered to be due to leukemic involvement).