Higher prevalence of NMOSD among non-white Americans: Study

People who are Asian or Pacific Islander and Black are more likely to have neuromyelitis optica spectrum disorder (NMOSD) and test positive for self-reactive antibodies against aquaporin-4 (AQP4) than white people, a U.S.-based study suggests. The prevalence of anti-AQP4 antibody-positive NMOSD was also higher among women and Hispanic people.

Prevalence of disease for NMOSD estimated at 22,000 US patients

A new study of disease prevalence estimates that about 22,000 people in the U.S. were living with neuromyelitis optica spectrum disorder (NMOSD) in 2022. The findings also suggest that the progressive autoimmune disease is most common in Black women, as compared with other U.S. demographics. For Asian American women,…

ACTRIMS 2023: NMOSD affects 3 times more women than men in US

The annual prevalence of neuromyelitis optica spectrum disorder (NMOSD) in the U.S. is considerably higher than previously estimated, affecting about nine out of every 100,000 people, according to a study that analyzed 2021 electronic health records. The data also showed that the disease is more than twice as common…