Viela Bio today announced results from a pivotal study of its anti-CD19 monoclonal antibody, inebilizumab, in patients with neuromyelitis optica spectrum disorder (NMOSD) — a rare autoimmune disease characterized by unpredictable attacks that often lead to severe, irreparable disability including blindness and paralysis. Results were presented today during the Clinical Trials Plenary Session at the 2019 American Academy of Neurology (AAN 2019) Annual Meeting held in Philadelphia from May 4-10.