Abstract:INTRODUCTION:Beta-interferons are used as first-line therapy for relapsing-remitting multiple sclerosis in Brazil. In order to evaluate the possible inferiority of one of the beta-interferons available and support a guideline update, we conducted an eleven-year (January 2000 to December 2010) nationwide real-world performance assessment using the Unified Health System (SUS) databases.METHODS:We assessed whether patients using subcutaneous beta-interferon switched treatment, relapsed or died (composite event) e… Show more
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