- Arm I (BEACOPP): Patients receive doxorubicin IV over 5 minutes and cyclophosphamide IV on day 1; etoposide IV over 30 minutes on days 1-3; oral procarbazine on days 1-7; oral prednisone on days 1-14; and vincristine IV and bleomycin IV or intramuscularly (IM) on day 8. Patients may receive dexamethasone in place of prednisone. Patients also receive filgrastim (G-CSF) subcutaneously (SC) beginning on day 9 and continuing until blood counts recover or pegfilgrastim SC on day 9 only. Treatment repeats every 22 days for 8 courses (4 courses escalated dose followed by 4 courses baseline dose) in the absence of disease progression or unacceptable toxicity.