Siponimod (BAF312) for the Treatment of Secondary Progressive Multiple Sclerosis: Design of the Phase 3 Expand trial

L. Kappos, A. Bar-Or, B. Cree, R. Fox, G. Giovannoni, R. Gold, P. Vermersch, E. Lam, H. Pohlmann, E. Wallström, USA, UK, Germany, France, Switzerland