Increase in antibody levels predicts relapse risk in AAV: Study
An increase in blood levels of a self-reactive antibody called MPO-ANCA predicted the return of ANCA-associated vasculitis (AAV) symptoms within months in most patients in a Belgian study. None of the patients whose MPO-ANCA levels decreased and remained undetectable in blood experienced relapses, data showed. “Monitoring MPO-ANCA levels in…