NCIt definition : A regimen consisting of an induction phase with tretinoin (ATRA), cytarabine and idarubucin
followed by a consolidation course of tretinoin and daunorubicin, used for the treatment
of acute promyelocytic leukemia (APL). A prolonged maintenance regimen including tretinoin
and methotrexate, with or without mercatopurine (6-MP), is also part of the treatment
plan.;