Drug used treatment of Acute promyelocytic leukemia-: (A) Arsenic trioxide, (B) Tretinoin, (C) Gefitinib, (D) Dasatinib
Answer is A. Arsenic trioxide is effective and approved for treatment of relapsed or refractory acute promyelocytic leukemia (APL) cases resistant to all-trans retinoic acid (ATRA), but its effect on new cases of APL is not clear. Ref Davidson 23rd edition pg 789