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Novartis AG (NVS)'s Gilenya Patient Develops Rare Brain Disease  
4/13/2012 7:59:21 AM

A patient taking Novartis AG’s Gilenya multiple sclerosis pill has been diagnosed with a potentially deadly brain infection. The patient previously took Tysabri, an injection from Weston-based Biogen Idec Inc. and Elan Corp., Novartis said in an e-mailed statement. Tysabri increases the risk of the viral infection, known as progressive multifocal leukoencephalopathy, that usually leads to death or severe disability, according to a warning the drug’s label has carried since 2006.
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