Epidermolysis bullosa acquisita: A comprehensive review

Khalaf Kridin, Diana Kneiber, Eric H. Kowalski, Manuel Valdebran, Kyle T. Amber

Research output: Contribution to journalReview articlepeer-review

60 Scopus citations

Abstract

Epidermolysis bullosa acquisita is a rare autoimmune blistering disease which results in vesicle and bullae formation on the skin and erosions on the mucous membranes. EBA is mediated by autoantibodies to collagen VII. Clinically, it can present with numerous phenotypes, though the most common are the mechanobullous and inflammatory variants. Patients with mechanobullous EBA develop non-inflammatory bullae and erosions at sites of trauma while patients with the non-mechanobullous type develop inflammatory lesions which often mimic other blistering conditions including bullous pemphigoid, linear IgA bullous disease, and mucous membrane pemphigoid. Diagnosis is established by having a consistent clinical presentation, DIF, and autoantibodies against collagen VII. In apparent “seronegative” patients, the diagnosis is challenging due to the need for confirmatory tests which are often not routinely accessible outside of the specialized center. In light of EBA's rarity, and lack of any randomized controlled trials, treatment guidelines rely on the small case series presented in the literature. There has been variable success utilizing the arsenal of immunosuppressants and biologics. Development of experimental murine models has facilitated a deeper understanding of EBA's pathogenesis and allows for preclinical testing of numerous novel drug targets predominantly targeting inhibition of neutrophil activation. We herein review the presentation, diagnosis, treatments, and future avenues of research in EBA.

Original languageEnglish
Pages (from-to)786-795
Number of pages10
JournalAutoimmunity Reviews
Volume18
Issue number8
DOIs
StatePublished - Aug 2019
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2019

Keywords

  • Autoimmune blistering disease
  • Dapsone
  • Diagnosis
  • Epidermolysis bullosa acquisita
  • Management
  • Seronegative

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