A Study to Assess the Safety and Efficacy of Elezanumab When Added to Standard of Care in Relapsing Forms of Multiple Sclerosis

Inclusion Criteria

• •Participant has diagnosis of relapsing remitting multiple sclerosis (RRMS) or secondary-progressive multiple sclerosis (SPMS) with relapses within the past 24 months.
• •Participant has cranial magnetic resonance imaging (MRI) demonstrating lesion(s) consistent with multiple sclerosis (MS).
• •Participant has evidence of physical disability according to Expanded Disability Status Scale (EDSS) or Timed 25-Foot Walk (T25FW) or 9-Hole Peg Test.