Ultomiris approved in Japan for AQP4-positive NMOSD
Ultomiris (ravulizumab) has been approved by authorities in Japan to prevent relapses in adults with neuromyelitis optica spectrum disorder (NMOSD) positive for antibodies against aquaporin-4 (AQP4). The decision from the Japanese Ministry of Health, Labour and Welfare comes shortly after a similar approval by the European Commission,…