- Concurrent investigational, corticosteroid therapy or any other anti-cancer treatments (such as chemotherapy, radiation, biologic or investigational therapies) while receiving protocol therapy; other than one cycle CHOP-R allowed based on current diagnosis, clinical condition, and availability/feasibility of initiating Genasense; other than chronic steroid use for another indication (For stage I/II or as clinically indicated- involved field irradiation as per standard practice is accepted)