NCT01216683 2023-06-29Bendamustine Hydrochloride and Rituximab With or Without Bortezomib Followed by Rituximab With or Without Lenalidomide in Treating Patients With High-Risk Stage II, Stage III, or Stage IV Follicular LymphomaEastern Cooperative Oncology GroupPhase 2 Completed289 enrolled 34 charts