Age at disease onset and sex ratio — the ratio of males to females — among people with neuromyelitis optica spectrum disorder (NMOSD) are influenced by the proportion of cases with antibodies against aquaporin-4 (AQP4). That’s according to a review study from an international team of researchers that sheds…
Anti-AQP4 antibody testing
Higher levels of self-reactive antibodies against aquaporin-4 protein (AQP4), which drives neuroinflammation in most cases of neuromyelitis optica spectrum disorder (NMOSD), correlate with more severe relapses and visual disability, according to a large study. Even after treatment with immunosuppressive agents, patients with high anti-AQP4 antibodies experienced more severe relapses.
The U.S. Food and Drug Administration (FDA) has approved Ultomiris (ravulizumab-cwvz) to treat adults with neuromyelitis optica spectrum disorder (NMOSD) who are positive for antibodies against the aquaporin-4 (AQP4) protein. About 75% of people with NMOSD produce antibodies that bind to AQP4, according to the therapy’s developer, Alexion…
Health Canada has approved Uplizna (inebilizumab-cdon) to treat adults in the country with neuromyelitis optica spectrum disorder (NMOSD) who test positive for disease-driving anti-aquaporin-4 (AQP4) antibodies. The decision adds Canada to the list of nations where the medication is now available. The intravenous or into-the-vein infusion, developed by…
Ultomiris (ravulizumab) has been approved by the European Commission to treat adults with neuromyelitis optica spectrum disorder (NMOSD) who test positive for antibodies against aquaporin-4 (AQP4). “Effective NMOSD management hinges on reducing relapses – even a single relapse may cause irreversible disabilities leaving patients unable to move, speak…
Antibodies against aquaporin-4 (AQP4) are detectable in the blood several years before symptoms occur in most people with neuromyelitis optica spectrum disorder (NMOSD), according to a U.S. study. Tammy Smith, MD, PhD, of the University of Utah, presented the findings at the recent American Academy of Neurology (AAN) annual…
Experts in Germany have published recommendations to help clinicians diagnose neuromyelitis optica spectrum disorder (NMOSD) and distinguish it from other disorders with similar symptoms. The guidelines were detailed in “Update on the diagnosis and treatment of [neuromyelitis] optica spectrum disorders (NMOSD) – revised recommendations of the…
A European Medicines Agency (EMA) committee has recommended that Ultomiris (ravulizumab) be approved to treat adults with neuromyelitis optica spectrum disorder (NMOSD) who are positive for antibodies against aquaporin-4 (AQP4). The recommendation, from the EMA’s Committee for Medicinal Products for Human Use (CHMP), will now be reviewed by the European…
A global Phase 4 clinical trial of Enspryng (satralizumab), approved to treat the most common form of neuromyelitis optica spectrum disorder (NMOSD), is enrolling newly diagnosed and other patients who could not or did not take part in Phase 3 trials of the therapy. In addition to people new…
The Brazilian Health Regulatory Agency has approved Uplizna (inebilizumab-cdon) for the treatment of adults with neuromyelitis optica spectrum disorder (NMOSD) who test positive for antibodies against aquaporin-4 (AQP4-IgG). The Horizon Therapeutics’ therapy is the first and only man-made antibody against CD19 — a cell surface protein present…