{"groups":[{"description":"Rituximab, methotrexate (MTX), procarbazine and vincristine (R-MPV). The peripheral blood stem cell (PBSC) harvest procedure will be performed at the discretion of the hematology attending. Participants will be off study at the time of death.","id":"FG000","title":"Newly Diagnosed Primary CBS Lymphoma/PCNSL"}],"periods":[{"dropWithdraws":[{"reasons":[{"groupId":"FG000","numSubjects":"2"}],"type":"Not Evaluable"}],"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"33"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"31"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"2"}],"type":"NOT COMPLETED"}],"title":"Overall Study"}]}