Biogen: George Scangos
Wisdom From The Top with Guy Raz
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Biogen's Response to the Case of a Patient With MS
Tysabri is an incredibly potent drug to treat patients with MS. It really does help a lot of patients. Some patients actually get a reversal of their symptoms and improve while on Tysabri. But shortly after its introduction, it also was associated with this disease, PML. And so the company voluntarily withdrew the drug from the market.
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