Study of Cyclophosphamide, Hydroxydaunorubicin, Oncovin, Prednisone (CHOP) With Ofatumumab in Patients With Richter's Syndrome

"1000mg vials (50ml @ 20mg/ml), or 100mg vials (5ml @20mg/ml), to be given as an Intravenous (IV) infusion.~Ofatumumab will be infused intravenously on day 1 (300 mg), day 8 (1000 mg) and day 15 (1000mg) in the first cycle, followed by infusions every 3 weeks of 1000 mg on the first day of each cycle for a total of 6 cycles. Maintenance treatment will start 4 weeks after day 1 of cycle 6 in week 20 and consists of six infusions of ofatumumab every 8 weeks"