Current Treatment of Autoimmune Blistering Diseases
Michael Kasperkiewicz and Enno Schmidt
Affiliation: Department of Dermatology, University of Lubeck, Ratzeburger Allee 160, D-23562 Lubeck, Germany.
Keywords: Epidermolysis bullosa acquisita, immunoadsorption, pemphigus, mucous membrane pemphigoid, rituximab
Autoimmune bullous diseases are a heterogeneous group of disorders that can be subdivided according to the level of split formation in the intraepidermal blistering pemphigus diseases and subepidermal bullous disorders, latter including pemphigoid diseases, epidermolysis bullosa acquisita, and dermatitis herpetiformis. In the majority of autoimmune bullous disorders, disease activity can be sufficiently controlled by systemic corticosteroids in combination with further immunosuppressants/immunomodulants such as dapsone, doxycycline, methotrexate, azathioprine, or mycophenolate mofetil. In contrast, in pemphigus, mucous membrane pemphigoid, and epidermolysis bullosa acquisita, treatment is challenging and only in a minority of patients, conventional immunosuppressive therapy induces clinical remission. Since only a few years ago, only cyclophosphamide and high-dose intravenous immunoglobulin were available as potent second-line therapies. Meanwhile, immunoadsorption and the monoclonal anti-CD20 antibody rituximab have been established as further therapeutic options. Here, both conventional therapies and novel treatment regimens for autoimmune blistering diseases are discussed.
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