Generalized myasthenia gravis (gMG) is a disease resulting from impaired neuromuscular transmission due to presence of antibodies that block acetylcholine receptors. Autoantibodies to acetylcholine receptors directly impair the activity of ion channels that conduct nerve impulses, and cross-link acetylcholine receptors resulting in complement-mediated destruction, further worsening functional impairment and patient quality of life. Although current treatments for gMG include thymectomy, immunosuppressive therapies, intravenous immunoglobulins, and plasmapheresis, among other strategies, none of these treatments reduces all immunoglobulin G subfractions. However, with the novel neonatal Fc receptor antagonist efgartigimod, levels of all immunoglobulin G subfractions are reduced, addressing an important aspect of the underlying pathophysiology of gMG. Through this program, clinicians will consider novel mechanisms in gMG therapy, learn to counsel patients on the changing landscape of gMG therapies, and find ways to incorporate the latest efficacy and safety data into practice.
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