<qa>  What is the name of the symptom of imatinib mesylate PODELAYED INTENSIFICATION 1 PART 1: Patients receive imatinib mesylate PO QD on days 1-35, methotrexate IT on day 1, dexamethasone PO BID or IV on days 1-7 and 15-21, vincristine sulfate IV over 1 minute, dexrazoxane hydrochloride IV over 5-15 minutes, and doxorubicin IV over 1-15 minutes on days 8, 15, 22, and 29, and pegaspargase IV over 1-2 hours on day 8 in the absence of disease progression or unexpected toxicity. 