B-ALL patients must be enrolled on AALL08B1 or APEC14B1 (if open for the classification of newly diagnosed ALL patients) prior to treatment and enrollment on AALL0932* Note: B-LLy patients are not eligible for AALL08B1, and can enroll directly onto AALL0932
T-ALL: T-ALL patients must be enrolled on AALL08B1 or Project:EveryChild (APEC14B1, if open for the classification of ALL patients) prior to treatment and enrollment on AALL1231
For patients enrolled on AALL08B1 or APEC14B1 (if open for ALL patients) prior to enrollment on AALL1631, the required diagnostic bone marrow sample has been fulfilled* For patients who have not previously enrolled on AALL08B1 or APEC14B1 (if open for ALL patients) prior to enrollment on AALL1631, a baseline diagnostic sample must be available to develop an MRD probe* In addition, laboratory reports detailing evidence of BCR-ABL1 fusion must be submitted for rapid central review within 72 hours of study enrollment