Natalizumab in progressive MS: Results of an open-label, phase 2A, proof-of-concept trial. Romme Christensen J, Ratzer R, Börnsen L, Lyksborg M, Garde E, Dyrby TB, Siebner HR, Sorensen PS, Sellebjerg F Neurology. 2014 Mar 28. PMID: 24682973. Abstract CommentRecommendBookmarkWatch