What are the findings of the ADVANCE trial on the use of peginterferon beta-1a (Plegridy) to treat relapsing-remitting multiple sclerosis (MS) (RRMS)?

Updated: Oct 08, 2019
  • Author: Christopher Luzzio, MD; Chief Editor: Jasvinder Chawla, MD, MBA  more...
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Approval was based on results from the ADVANCE trial of >1,500 patients with MS over a 2-year period. In the first year of the trial, peginterferon beta-1a dosed every 2 weeks significantly reduced annualized relapse rate (ARR) at 1 year by 36% compared with placebo (P = 0.0007). Risk of 12-week confirmed disability progression, as measured by the Expanded Disability Status Scale, was also reduced with peginterferon beta-1a by 38% (P = 0.0383) compared with placebo. Peginterferon beta-1a also significantly reduced the number of new gadolinium-enhanced [Gd+] lesions by 86% (P< 0.0001) and reduced new or newly enlarging T2-hyperintense lesions by 67% (P< 0.0001) compared with placebo. [8]

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