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Related Experiment Videos

Long-term selective IgG immuno-adsorption improves Rasmussen's encephalitis

C Antozzi1, T Granata, N Aurisano

  • 1Neuromuscular Research Department, Istituto Nazionale Neurologico Carlo Besta, Milan, Italy.

Neurology
|July 23, 1998
PubMed
Summary

Selective immunoglobulin G immunoadsorption using protein A (PAI) therapy significantly reduced seizures and improved cognitive function in a patient with treatment-resistant Rasmussen's encephalitis (RE). This treatment shows promise for managing RE and potentially delaying hemispherectomy.

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Area of Science:

  • Neuroimmunology
  • Neurology
  • Pediatric Neurology

Background:

  • Rasmussen's encephalitis (RE) is a rare, severe autoimmune disease of the brain causing progressive neurological deficits.
  • Treatment-resistant cases often lead to hemispherectomy, a drastic surgical procedure.
  • The autoimmune basis of RE, particularly involving glutamate receptor antibodies, is increasingly recognized.

Observation:

  • A 16-year-old patient with severe, treatment-resistant Rasmussen's encephalitis was treated with long-term selective immunoglobulin G (IgG) immunoadsorption using protein A (PAI).
  • The patient experienced significant improvements in seizure frequency and neuropsychological deficits following PAI therapy.
  • A reduction in anti-glutamate receptor 3 antibodies was observed, correlating with clinical improvement.

Findings:

Related Experiment Videos

  • Long-term selective IgG immunoadsorption via protein A (PAI) effectively improved seizure control and cognitive function in a severe, treatment-resistant Rasmussen's encephalitis case.
  • Clinical benefits correlated with a decrease in specific autoantibodies targeting glutamate receptors.
  • PAI therapy demonstrated a positive impact on neurological symptoms and deficits.

Implications:

  • The findings support the autoimmune etiology of Rasmussen's encephalitis.
  • Selective immunoglobulin G immunoadsorption presents a potential therapeutic strategy for RE.
  • PAI may offer a way to avoid or delay the need for functional hemispherectomy in select RE patients.