Case Report: Anti-LGI1 encephalitis during FcRn inhibition with efgartigimod for myasthenia gravis: implications for the limitations of IgG recycling blockade
ObjectivesAnti–leucine-rich glioma-inactivated 1 (LGI1) antibody–associated autoimmune encephalitis is a treatable disorder characterized by subacute cognitive impairment. Efgartigimod is a neonatal Fc receptor (FcRn) antagonist that reduces circulatin…