We present four cases of confirmed anti-NMDA receptor encephalitis; three presented initially with serious psychiatric symptoms and the other developed significant psychiatric symptoms during the initial phase of illness. Brain biopsy findings of one patient are also described. Psychiatrists should consider anti-NMDA receptor encephalitis in patients presenting with psychosis and additional features of dyskinesias, seizures and catatonia, particularly where there is no previous history of psychiatric disorder.
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http://dx.doi.org/10.1192/bjp.bp.111.092197 | DOI Listing |
BMJ Case Rep
January 2025
Anaesthesiology, St John's National Academy of Health Sciences, Bangalore, Karnataka, India.
Management of cases of anti-N-methyl-D-aspartate (NMDA) antibody-mediated encephalitis is very challenging to anaesthesiologists as this receptor is the target of many anaesthetics. We report a woman diagnosed with anti-NMDA antibody-mediated encephalitis posted for laparotomy. She presented with generalised tonic-clonic seizures.
View Article and Find Full Text PDFSci Immunol
January 2025
IDIBAPS Biomedical Research Institute, Barcelona, Spain.
Patient-derived NMDAR mAbs combined with single-particle cryo-electron microscopy reveal multiple GluN1 epitopes and distinct functional effects.
View Article and Find Full Text PDFIn Vivo
December 2024
Rheumatology/Immunology and Allergy, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, R.O.C.;
Background/aim: Anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis, though rare, is the most common form of autoimmune encephalitis, predominantly affecting young individuals, particularly females. Standard treatments include corticosteroids, intravenous immunoglobulins (IVIG), and plasmapheresis, with rituximab recommended for those unresponsive to first-line therapies. However, reliable biomarkers for clinical assessment remain elusive.
View Article and Find Full Text PDFAnti-N-methyl-D-aspartate (NMDA) receptor encephalitis is a rare autoimmune disorder that typically presents with neuropsychiatric symptoms and medial temporal lobe involvement. We report the case of a 24-year-old female with no significant medical history, who developed severe anxiety, memory deficits, and confusion over a two-week period. Neurological examination revealed cognitive dysfunction, asymmetric limb movements, and psychosis.
View Article and Find Full Text PDFNeurol Neuroimmunol Neuroinflamm
March 2025
Pediatric Neurology Departement, Assistance Publique-Hôpitaux de Paris, Paris-Saclay University Hospitals, Bicêtre Hospital, and Paris-Saclay University, Le Kremlin-Bicêtre.
Background And Objectives: Anti-NMDAR encephalitis (NMDARE) is a severe neurologic condition, and recently, the NMDAR Encephalitis One-Year Functional Status (NEOS) score has emerged as a 1-year prognostic tool. This study aimed to evaluate NEOS score and biomarker (neurofilament light chains [NfL], total-Tau protein, glial fibrillary acidic protein, and serum cytokines) correlation with modified Rankin Scale (mRS), cognitive impairment, and clinical recovery in pediatric NMDARE over 2 years.
Methods: In this French multicenter observational study, 104 pediatric patients with NMDARE were followed for a minimum of 2 years.
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