Viela Bio today announced that the U.S. Food and Drug Administration (FDA) has accepted for review its Biologics License Application (BLA) for inebilizumab, an investigational anti-CD19 monoclonal antibody, for the treatment of 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.