- Consolidation: Patients receive CYM: MTX IV over 3 hours on day 1, oral CF every 6 hours for a maximum of 12 doses beginning 24 hours after the start of MTX, and ARA-C IV over 24 hours on days 2-6. Patients receive TIT: MTX IT on day 2, HC IT on days 2 and 7, and ARA-C IT on day 7.