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Results from the pivotal 2-year study showed that physical disability was slowed by 37% in a 2-year period (p=0.02).3,a
FDA-approved labeling includes up to 3 years of clinical data.
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Footnotes
a Based on a 2-year pivotal trial (N=301) using an endpoint criterion of ≤1.0 increase in EDSS score sustained for 6 months.
- Biogen Idec, internal data on file.
- CHAMPIONS Study Group. IM interferon beta-1a delays definite multiple sclerosis 5 years after a first demyelinating event. Neurology. 2006;66:1-7.
- Jacobs LD, Cookfair DL, Rudick RA, et al; and The Multiple Sclerosis Collaborative Research Group (MSCRG). Intramuscular interferon beta-1a for disease progression in relapsing multiple sclerosis. Ann Neurol. 1996;39(3):285-294.



