All Articles Tagged With: "Biogen"

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Tysabri Brain Infection Risk Increases with Number of Infusions: FDA

The FDA has issued another warning about the risk of brain infections from Tysabri, indicating that the more infusions a patient receives of the multiple sclerosis drug, the higher their risk of contracting progressive mutifocal luekoencephalopathy (PML), a rare and often fatal infection in the brain.

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Additional PML Brain Infection Cases Linked to Tysabri and Rituxan

New cases of a rare brain infection, progressive multifocal leukoencephalopathy (PML), have been liked to the lymphoma and arthritis drug Rituxan and the multiple sclerosis (MS) drug Tysabri. The cases have regulators in the U.S. and Europe searching for ways to reduce the risks of patients developing the often fatal brain infection.