Difference between revisions of "Ofatumumab (Arzerra)"
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==General information== | ==General information== | ||
Class/mechanism: Anti-CD20 monoclonal antibody that binds to small and large extracellular loops of the CD20 | Class/mechanism: Anti-CD20 monoclonal antibody that binds to small and large extracellular loops of the CD20 | ||
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[[Category:FDA approved in 2009]] | [[Category:FDA approved in 2009]] | ||
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Revision as of 15:07, 3 March 2021
Note: As of 10/15/2020, ofatumumab is no longer available for commercial purchase. Novartis will continue providing drug directly, at no cost to patient, but only for the diagnosis of chronic lymphocytic leukemia.
General information
Class/mechanism: Anti-CD20 monoclonal antibody that binds to small and large extracellular loops of the CD20
molecule which is expressed on B-cells. The Fc domain of ofatumumab has been observed in vitro to mediate
immune effector functions and B-cell lysis, which is hypothesized to involve complement-dependent cytotoxicity (CDC) and/or antibody-dependent cell mediated cytotoxicity (ADCC).[1][2][3]
Route: IV
Extravasation: no information
For conciseness and simplicity, HemOnc.org currently will focus on treatment regimens and not list information such as: renal/hepatic dose adjustments, metabolism (including CYP450), excretion, monitoring parameters (although this will be considered for checklists), or manufacturer. Instead, for the most current information, please refer to your preferred pharmacopeias such as Micromedex, Lexicomp, UpToDate (courtesy of Lexicomp), or the prescribing information.[1]
Diseases for which it is used
- Chronic lymphocytic leukemia
- Diffuse large B-cell lymphoma
- Follicular lymphoma
- Hodgkin lymphoma
- Waldenström macroglobulinemia
Patient drug information
- Ofatumumab (Arzerra) patient drug information (Chemocare)[4]
- Patient counseling information can be found in the Ofatumumab (Arzerra) package insert[1]
- Ofatumumab (Arzerra) patient drug information (UpToDate)[5]
History of changes in FDA indication
- 10/26/2009: Granted accelerated approval for the treatment of patients with chronic lymphocytic leukemia (CLL) refractory to Fludarabine (Fludara) and Alemtuzumab (Campath)
- 4/17/2014: Approved in combination with Chlorambucil (Leukeran), for the treatment of previously untreated patients with chronic lymphocytic leukemia (CLL), for whom fludarabine-based therapy is considered inappropriate.
- 1/19/2016: Approval expanded for extended treatment of patients who are in complete or partial response after at least two lines of therapy for recurrent or progressive chronic lymphocytic leukemia (CLL).
Also known as
- Code name: HuMax-CD20
- Brand name: Arzerra