Trial Profile

A Phase 3, External Placebo-Controlled, Open-Label, Multicenter Study to Evaluate the Efficacy and Safety of Ravulizumab in Adult Patients With Neuromyelitis Optica Spectrum Disorder (NMOSD)

Status: Completed

Phase of Trial: Phase III

Latest Information Update: 29 Apr 2026

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At a glance

10 Apr 2026 According to a AstraZeneca media release, data from the trial will be presented at the American Academy of Neurology (AAN) Annual Meeting in Chicago, Illinois, 18 to 22 April 2026.
06 Nov 2025 According to a AstraZeneca media release, based on results from this trial the company received approval form China's NMPA for Ultomiris for the treatment of adult patients with neuromyelitis optica spectrum disorder who are anti-aquaporin-4 antibody positive.
19 Sep 2025 Results presented in a Alexion Antibody Technologies media release

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