A Phase I/II, Open-label Study of Ofatumumab Added to Chlorambucil in Previously Untreated Japanese Patients With Chronic Lymphocytic Leukemia

2mg tablets, chlorambucil dose: 10mg/m2 PO at days 1-7 every 28 days; duration: minimum of 3 cycles until best response or maximum of 12 cycles

iv infusion; dose: cycle 1 300mg day 1 and 1000mg day 8, subsequent cycles: 1000mg at day 1 every 28 days;