*In week 1, people taking VUMERITY received the starter dose (231-mg pill) and a placebo pill twice a day. In weeks 2-5, they received the regular dose (two 231-mg pills) twice a day. In week 1, people taking dimethyl fumarate received the starter dose (120-mg pill) and one placebo pill twice a day. In weeks 2-5, they received the regular dose (240-mg pill) and one placebo twice a day.