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The Boston Globe


Biogen Idec seeks regulatory OK’s for wider use of a multiple sclerosis drug

Biogen Idec Inc. and Elan Corp. said Wednesday that they have asked US and European regulators to approve their Tysabri drug for a wider universe of multiple sclerosis patients.

Because of a possible risk of contracting a rare brain disease that is sometimes fatal, Tysabri is generally recommended for US patients who are not responding to or cannot tolerate an alternative MS therapy.

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