Phase II Study of Ofatumumab Plus Ifosfamide, Carboplatin, Etoposide (ICE) or Dexamethasone, Cytarabine, Cisplatin (DHAP) Chemotherapy Regimen in Relapsed/ Refractory Diffuse Large B Cell Lymphoma (DLBCL)

"3 cycles of treatment will be administered. Each cycle will last 21 days. ofatumumab dose: cycle 1, day 1 - 1000 milligrams (mg); cycle 1, day 8 - 1000 mg; cycle 2, day 1 and cycle 3, day 1 - 1000 mg~ICE regimen:~ifosfamide + mesna - 5 grams (g)/meters squared (m\^2)/24 hours (hrs) continuous on day 2 of dosing cycle; carboplatin - AUC 5 (800 mg maximum) on day 2 of dosing cycle; etoposide - 100 mg/m\^2 on days 1, 2 and 3 of dosing cycle."

"3 cycles of treatment will be administered. Each cycle will last 21 days. ofatumumab dose: cycle 1, day 1 - 1000 mg; cycle 1, day 8 - 1000 mg; cycle 2, day 1 and cycle 3, day 1 - 1000 mg.~DHAP regimen:~dexamethasone - 40 mg on days 1, 2, 3, and 4 of dosing cycle; cisplatin - 100 mg/m\^2/24 hrs continuous on day 1 of dosing cycle; cytarabine - 2 g/m\^2 q12 hrs (2 doses) on day 2 of dosing cycle."