New data reinforce efficacy of TECFIDERA® (dimethyl fumarate) in MS patients with high disease activity Biogen Idec, 30 Apr 2014 Accessed on 5 May 2014 from https://www.biogenidec.com/press_release_details.aspx?ID=14712&Action=1&NewsId=2320&M=NewsV2&PID=61997. CommentRecommendBookmarkWatch