Various chronic diseases New drugs available on the NHS for chronic lymphocytic leukaemia. NICE has issued two pieces of final guidance recommending obinutuzumab …. more (Gazyvaro, Roche) and ofatumumab .…more (Arzerra, Novartis), which are each given in combination with chlorambucil, for people with previously untreated chronic lymphocytic leukaemia if treatments containing fludarabine or bendamustine are…