
An investigational 500-mcg dose of interferon beta-1b demonstrated no advantage compared with the approved 250-mcg dose of interferon beta-1b or with glatiramer 20 mg in reducing relapse risk in patients with early relapsing-remitting multiple sclerosis (RRMS), said Paul O'Connor, MD, MS Program Director, St. Michael's Hospital, the University of Toronto, at the 60th Annual Meeting of the American Academy of Neurology, Chicago.