Natalizumab is effective in multiple sclerosis patients switching from other disease modifying therapies in clinical practice. Lanzillo R, Bonavita S, Quarantelli M, Vacca G, Lus G, Amato L, Carotenuto A, Tedeschi G, Orefice G, Brescia Morra V Neurol Sci. 2012 Apr 22. Epub 2012 Apr 22. PMID: 22526763. Abstract CommentRecommendBookmarkWatch