(iii) De novo AML > 70 years of age. (iv) AML with unfavorable cytogenetics regardless of age (>18 years), if patients are not candidates for allogeneic transplantation. Unfavorable cytogenetics are the following: complex (>3 abnormalities), -7, -5, 7q-, 5q-, abnormalities of 11q23 excluding t(9;11), t(9;22), inversion 3, t(3;3), t(6;9).