- For patients < 60 years of age, patients must have received at least 2 courses of post-remission therapy with at least intermediate dose (400 mg/m2/day). *Patients with t(8;21) or inversion 16 at the time of diagnosis must have received at least 2 courses of high dose cytarabine. For patients > or = 60 years of age, patients must have received 1 course of post-remission therapy (the type of chemotherapy will not be specified).