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Tysabri Usage Restrictions Likely To Remain Stable As FDA Considers REMS Modifications

This article was originally published in The Pink Sheet Daily

Executive Summary

While the label of Biogen Idec/Elan's multiple sclerosis drug is expected to be changed to reflect a suspected link between JC-virus and the viral brain infection progressive multifocal leukoencephalopathy, that is unlikely to lead to a new contraindication.

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Biogen/Elan Submit Applications For Tysabri Label Change Ahead of Schedule

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