- Reinduction I for MLL Infants: Dexamethasone 8 mg/m2/day PO (divided t.i.d.) Days 1-8 and 15-21. Clofarabine 40 mg/m2/day, -hour IV Days 1-5. Etoposide 100 mg/m2/day, 2-hour IV Days 1-5. cyclophosphamide 300 mg/m2/day, 1-hour IV Days 1-5. PEG-asparaginase 2,500 or 3,500 units/m2 IV Days 1, 15. Intrathecal chemotherapy, dose age dependent, on Day 1.