- First-line treatment group 1: Patients receive oral prednisone (or prednisolone) 3 times daily on days 1-15, vincristine IV on days 1, 8, and 15, doxorubicin hydrochloride IV over 1-6 hours on days 1 and 15, and etoposide (or etoposide phosphate) IV over 1-2 hours on days 1-5 (OEPA).