“The filing of diroximel fumarate by our partners at Alkermes demonstrates our enduring commitment to people living with MS and builds on our established track record as a leader in the industry,” said Michael Ehlers, M.D., Ph.D., executive vice president, research & development at Biogen. “MS is a heterogeneous disease, and while there are a number of approved therapies available today, continued treatment advances remain an important priority.”