Complete response (CR) - all of the following for at least 4 weeks:
(1) normal bone marrow with < 5% blasts (a higher percent may be allowed if the marrow is regenerating)
(2) absolute neutrophil count > 1,500 per µL
(3) platelet count > 100,000 per µL
(4) absence of extramedullary leukemic infiltrates
(5) absence of leukemic blasts in the peripheral blood
(6) absence of blasts with Auer rods
Partial remission option 1 - all of the following:
(1) bone marrow blast count from 5 to 25%
(2) items 2 to 6 from complete remission
Partial remission option 2 - all of the following:
(1) blast cells with Auer rods or abnormal morphology
(2) items 1 to 5 for complete remission
Nonresponse: failure to achieve complete or partial remission in a patient who survives >= 30 days of treatment
