FDA grants Arzerra ‘breakthrough’ designation for use with chlorambucil in CLL

New Drug Approvals

The FDA today granted “breakthrough therapy” designation to ofatumumab for treatment of patients with chronic lymphocytic leukemia.

The designation applies to use of ofatumumab (Arzerra, GlaxoSmithKline) in combination with chlorambucil in patients with untreated CLL who unsuitable for fludarabine-based therapy.

Ofatumumab is a human monoclonal antibody that targets an epitope on the CD20 molecule encompassing parts of the small and large extracellular loops.

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also read my post on newdrugapprovals


Ofatumumab (trade name Arzerra, also known as HuMax-CD20) is a human monoclonal antibody (for the CD20 protein) which appears to inhibit early-stage B lymphocyte activation. It is FDA approved for treating chronic lymphocytic leukemia that is refractory to fludarabine and alemtuzumab (Campath) and has also shown potential in treating Follicular non-Hodgkin’s lymphomaDiffuse large B cell lymphomarheumatoid arthritis and relapsing remitting multiple sclerosis. Ofatumumab has also received conditional approval in…

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