Progress in autoimmune epileptic encephalitis

Sukhvir Wright, Angela Vincent*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review


Purpose of review Autoimmune epileptic encephalopathy is a potentially treatable neurological syndrome characterized by the coexistence of a neuronal antibody in serum and, often, cerebrospinal fluid. Patients present with combinations of seizures, neuropsychiatric features, movement disorder, and cognitive decline, but some patients have isolated seizures either at first presentation or during their illness. This review summarizes our current understanding of the roles of specific neuronal antibodies in epilepsy-related syndromes and aims to aid the clinician in diagnosis and treatment. Recent findings Antigen discovery methods in three neuroimmunology centres independently identified antibodies to different subunits of the γ amino butyric acid-A receptor; high levels of these antibodies were found mainly in patients with severe refractory seizures. These and other antibodies were also found in a proportion (<10%) of children and adults with epilepsy. A clinical study comparing immunotherapy in patients with autoantibodies or without an identified target antigen found neuroinflammatory features were predictive of a therapeutic response. New in-vitro and in-vivo studies, and spontaneous animal models, have confirmed the pathogenicity and epileptogenicity of neuronal antibodies and their relevance to other mammals. Summary Neuronal antibodies are an important cause of autoimmune epileptic encephalopathy, early recognition is important as there may be an underlying tumour, and early treatment is associated with a better outcome. In the absence of an antibody, the clinician should adopt a pragmatic approach and consider a trial of immunotherapy when other causes have been excluded.

Original languageEnglish
Pages (from-to)151-157
Number of pages7
JournalCurrent Opinion in Neurology
Issue number2
Publication statusPublished - 1 Apr 2016

Bibliographical note

This is the author's accepted manuscript of the following article: Progress in autoimmune epileptic encephalitis
Wright, Sukhvir; Vincent, Angela. Current Opinion in Neurology: April 2016 - Volume 29 - Issue 2 - p 151–157. doi: 10.1097/WCO.0000000000000304


  • autoimmune encephalitis
  • autoimmune epilepsy
  • immunotherapy
  • neuronal surface antibodies


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