- Patients on Arm I with at least a 50% response at week 8 receive 3 more courses of IVA and are reassessed at week 17; those who continue to respond between weeks 8 and 17 receive 3 additional courses of IVA. Patients with no further response receive 4 alternating courses of CEV and IVE. All patients with less than a CR at week 17 begin local therapy on week 18 concurrently with the additional chemotherapy. Patients on Arm I with less than a 50% response at week 8 receive alternating CEV and IVE as in Strategy 952. Patients with less than a CR at week 17 begin concurrent local therapy at week 18.