Placebo-controlled study in neuromyelitis optica-Ethical and design considerations. Cree BAC, Bennett JL, Sheehan M, Cohen J, Hartung H-P, Aktas O, Kim H J, Paul F, Pittock S, Weinshenker B, et al. Mult Scler. 2015 Dec 14. PMID: 26666258. Abstract CommentRecommendBookmarkWatch