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Clinical Manifestations.

Gina Eom1, Julien Hébert2, Nicholas Lum2

  • 1Hennick Bridgepoint Hospital, Sinai Health Systems, Toronto, ON, Canada.

Alzheimer'S & Dementia : the Journal of the Alzheimer'S Association
|December 25, 2025
PubMed
Summary
This summary is machine-generated.

Psychiatric symptoms in NMDA receptor encephalitis may predict patient outcomes. This study analyzed over 500 cases, finding a link between specific psychiatric signs and clinical prognosis in this rare autoimmune brain disorder.

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Area of Science:

  • Neuroimmunology
  • Autoimmune Neurology

Background:

  • NMDA receptor encephalitis is a rare autoimmune limbic encephalitis.
  • It involves autoantibodies targeting brain receptors, causing diverse neurological and psychiatric symptoms.
  • Associated conditions include germ-cell tumors and viral infections.

Purpose of the Study:

  • To investigate the prognostic clinical value of psychological and behavioral symptoms in NMDA receptor encephalitis.
  • To explore the association between psychiatric manifestations and patient outcomes.

Main Methods:

  • Systematic review of case reports, case series, and cohort studies with individual patient data.
  • Quantitative and qualitative analysis of clinical presenting symptoms, focusing on psychiatric features.
  • Analysis of over 500 published cases of NMDA receptor encephalitis.

Main Results:

  • Observed trends in demographics, clinical symptoms, and clinical outcomes across analyzed cases.
  • Preliminary data suggests an association between specific psychiatric symptoms, such as paranoia, and clinical outcomes.
  • Identified potential prognostic value in psychiatric presentations.

Conclusions:

  • Psychiatric syndromes may serve as important prognostic indicators in NMDA receptor encephalitis.
  • Further research into the prognostic significance of psychiatric symptoms is warranted.