Novartis takes aim at MS blockbuster Tysabri in US and Europe
pharmaphorum
JULY 26, 2022
There was also continued decline for Tecfidera, which have not been offset by follow-up Vumerity (diroximel fumarate), which has fewer side effects. It had expected the drug would not face biosimilar competition in Europe until at least 2027. Tecfidera’s decline has made Tysabri Biogen’s top-selling drug.
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