FDA approves Biogen Idec's Avonex Pen, dose titration regimen


WESTON, Mass. — The Food and Drug Administration has approved two separate dosing innovations for multiple sclerosis patients that are being treated with a Biogen Idec drug.

Biogen Idec said the FDA approved Avonex pen, the first single-use, once-weekly intramuscular autoinjector approved for MS, and a dose titration regimen, which gradually escalates the dose of Avonex at treatment initiation. The drug maker said the new offerings are designed to improve the treatment experience.

The Avonex pen incorporates a smaller needle and easier administration to help patients reduce anxiety about self-injection, reduces the incidence and severity of flu-like symptoms that can occur at the beginning of therapy.

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