Rituximab [Rituxan] – Progressive Multifocal Leukoencephalopathy [PML]

Last Updated on October 24, 2009 by Joseph Gut – thasso

October 23, 2009 – Today, Genentech and FDA notified healthcare professionals about a third case of progressive multifocal leukoencephalopathy [PML], the first case of PML in a patient with rheumatoid arthritis [RA] treated with Rituximab [Rituxan] who has not previously received treatment with a TNF antagonist. Information to date suggests that patients with RA who receive Rituximab [Rituxan] have an increased risk of PML.

Physicians should consider PML in any patient being treated with Rituximab [Rituxan] who presents with new onset neurologic manifestations. Consultation with a neurologist, brain MRI, and lumbar puncture should be considered as clinically indicated.

Please read the full text of the- Dear Healthcare Professional Letter sent out by Genentech. Please read also carefully the drug labeling document of Rituximab [Rituxan].

Ph.D.; Professor in Pharmacology and Toxicology. Senior expert in theragenomic and personalized medicine and individualized drug safety. Senior expert in pharmaco- and toxicogenetics. Senior expert in human safety of drugs, chemicals, environmental pollutants, and dietary ingredients.

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