Table 2.
Phase | Chemotherapy Agents | Schedule |
---|---|---|
Induction (35 days) | Dexamethasone PO | Days 1–28 |
Vincristine IV | Days 1, 8, 15, 22 | |
Pegaspargase IV | Day 4 | |
Cytarabine IT | Day 1 (CNS2 require more) | |
Methotrexate IT | Days 8, 29 | |
Consolidation (28 days) | Mercaptopurine PO | Days 1–28 |
Vincristine IV | Day 1 | |
Methotrexate IT | Days 1, 8, 15 | |
Interim Maintenance (IM 1) (56 days) | Vincristine IV | Days 1, 11, 21, 31, 41 |
Methotrexate IV (escalating dose) | Days 1, 11, 21, 31, 41 | |
Methotrexate IT | Day 31 | |
Delayed Intensification (56 days) | Dexamethasone PO | Days 1–7 and 15–21 |
Thioguanine PO | Days 29–42 | |
Vincristine IV | Days 1, 8, 15 | |
Doxorubicin IV | Days 1, 8, 15 | |
Pegaspargase IV | Day 4 | |
Cyclophosphamide IV | Day 29 | |
Cytarabine IV | Days 29–32 and 36–39 | |
Methotrexate IT | Days 1, 29 | |
Interim Maintenance (IM 2) (56 days) | Vincristine IV | Days 1, 11, 21, 31, 41 |
Methotrexate IV (escalating dose) | Days 1, 11, 21, 31, 41 | |
Methotrexate IT | Days 1, 31 | |
Maintenance (12-week cycles for 2 years from IM 1) | Dexamethasone PO | Days 1–5, 29–33, and 57–61 |
Mercaptopurine PO | Days 1–84 | |
Methotrexate PO | Weekly starting Day 8 | |
Vincristine IV | Days 1, 29, 57 | |
Methotrexate IT | Day 1 |
Abbreviations: PO, oral; IV, intravenous; IT, intrathecal; CNS, central nervous system.