In a groundbreaking study on 171 NMOSD patients, researchers found that a decrease in Aquaporin-4 antibody titers led to a significant reduction in relapse rates. Specifically, 25.7% of patients became AQP4-IgG seronegative, resulting in a remarkable decrease in annualized relapse rate. The decline in AQP4-IgG levels was identified as a protective factor against relapse, highlighting […]