Autoimmune Encephalitis and CSF Anti-GluR3 Antibodies in an MS Patient after Alemtuzumab Treatment

A 45-year-old Italian woman, affected by relapsing−remitting multiple sclerosis (RR-MS) starting from 2011, started treatment with alemtuzumab in July 2016. Nine months after the second infusion, she had an immune thrombocytopenic purpura (ITP) with complete recovery after steroid treatmen...

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Main Authors: Maria Chiara Buscarinu, Arianna Fornasiero, Giulia Pellicciari, Roberta Reniè, Anna Chiara Landi, Alessandro Bozzao, Cristina Cappelletti, Pia Bernasconi, Giovanni Ristori, Marco Salvetti
Format: Article
Language:English
Published: MDPI AG 2019-10-01
Series:Brain Sciences
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Online Access:https://www.mdpi.com/2076-3425/9/11/299
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author Maria Chiara Buscarinu
Arianna Fornasiero
Giulia Pellicciari
Roberta Reniè
Anna Chiara Landi
Alessandro Bozzao
Cristina Cappelletti
Pia Bernasconi
Giovanni Ristori
Marco Salvetti
author_facet Maria Chiara Buscarinu
Arianna Fornasiero
Giulia Pellicciari
Roberta Reniè
Anna Chiara Landi
Alessandro Bozzao
Cristina Cappelletti
Pia Bernasconi
Giovanni Ristori
Marco Salvetti
author_sort Maria Chiara Buscarinu
collection DOAJ
description A 45-year-old Italian woman, affected by relapsing−remitting multiple sclerosis (RR-MS) starting from 2011, started treatment with alemtuzumab in July 2016. Nine months after the second infusion, she had an immune thrombocytopenic purpura (ITP) with complete recovery after steroid treatment. Three months after the ITP, the patient presented with transient aphasia, cognitive deficits, and focal epilepsy. Serial brain magnetic resonance imaging showed a pattern compatible with encephalitis. Autoantibodies to glutamate receptor 3 peptide A and B were detected in cerebrospinal fluid and serum, in the absence of any other diagnostic cues. After three courses of intravenous immunoglobulin (0.4 mg/kg/day for 5 days, 1 month apart), followed by boosters (0.4 mg/kg/day) every 4−6 weeks, her neurological status improved and is currently comparable with that preceding the encephalitis. Autoimmune complications of the central nervous system during alemtuzumab therapy are relatively rare: only one previous case of autoimmune encephalitis following alemtuzumab treatment has been reported to date.
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spelling doaj.art-e2cc1da9d8c544ca971d168b1c4585122022-12-22T00:41:46ZengMDPI AGBrain Sciences2076-34252019-10-0191129910.3390/brainsci9110299brainsci9110299Autoimmune Encephalitis and CSF Anti-GluR3 Antibodies in an MS Patient after Alemtuzumab TreatmentMaria Chiara Buscarinu0Arianna Fornasiero1Giulia Pellicciari2Roberta Reniè3Anna Chiara Landi4Alessandro Bozzao5Cristina Cappelletti6Pia Bernasconi7Giovanni Ristori8Marco Salvetti9Department of Neurosciences, Mental Health and Sensory Organs, Centre for Experimental Neurological Therapies (CENTERS), Faculty of Medicine and Psychology, Sapienza University, 00189 Rome, ItalyDepartment of Neurosciences, Mental Health and Sensory Organs, Centre for Experimental Neurological Therapies (CENTERS), Faculty of Medicine and Psychology, Sapienza University, 00189 Rome, ItalyFaculty of Medicine and Psychology, Sapienza University, 00189 Rome, ItalyFaculty of Medicine and Psychology, Sapienza University, 00189 Rome, ItalyFaculty of Medicine and Psychology, Sapienza University, 00189 Rome, ItalyDepartment of Neurosciences, Mental Health and Sensory Organs, Centre for Experimental Neurological Therapies (CENTERS), Faculty of Medicine and Psychology, Sapienza University, 00189 Rome, ItalyNeurology IV–Neuroimmunology and Neuromuscular Diseases Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, 20133 Milan, ItalyNeurology IV–Neuroimmunology and Neuromuscular Diseases Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, 20133 Milan, ItalyDepartment of Neurosciences, Mental Health and Sensory Organs, Centre for Experimental Neurological Therapies (CENTERS), Faculty of Medicine and Psychology, Sapienza University, 00189 Rome, ItalyDepartment of Neurosciences, Mental Health and Sensory Organs, Centre for Experimental Neurological Therapies (CENTERS), Faculty of Medicine and Psychology, Sapienza University, 00189 Rome, ItalyA 45-year-old Italian woman, affected by relapsing−remitting multiple sclerosis (RR-MS) starting from 2011, started treatment with alemtuzumab in July 2016. Nine months after the second infusion, she had an immune thrombocytopenic purpura (ITP) with complete recovery after steroid treatment. Three months after the ITP, the patient presented with transient aphasia, cognitive deficits, and focal epilepsy. Serial brain magnetic resonance imaging showed a pattern compatible with encephalitis. Autoantibodies to glutamate receptor 3 peptide A and B were detected in cerebrospinal fluid and serum, in the absence of any other diagnostic cues. After three courses of intravenous immunoglobulin (0.4 mg/kg/day for 5 days, 1 month apart), followed by boosters (0.4 mg/kg/day) every 4−6 weeks, her neurological status improved and is currently comparable with that preceding the encephalitis. Autoimmune complications of the central nervous system during alemtuzumab therapy are relatively rare: only one previous case of autoimmune encephalitis following alemtuzumab treatment has been reported to date.https://www.mdpi.com/2076-3425/9/11/299multiple sclerosisautoimmune diseasesimmune thrombocytopenic purpuraautoimmune encephalitisalemtuzumabantibodies against glur3 peptide
spellingShingle Maria Chiara Buscarinu
Arianna Fornasiero
Giulia Pellicciari
Roberta Reniè
Anna Chiara Landi
Alessandro Bozzao
Cristina Cappelletti
Pia Bernasconi
Giovanni Ristori
Marco Salvetti
Autoimmune Encephalitis and CSF Anti-GluR3 Antibodies in an MS Patient after Alemtuzumab Treatment
Brain Sciences
multiple sclerosis
autoimmune diseases
immune thrombocytopenic purpura
autoimmune encephalitis
alemtuzumab
antibodies against glur3 peptide
title Autoimmune Encephalitis and CSF Anti-GluR3 Antibodies in an MS Patient after Alemtuzumab Treatment
title_full Autoimmune Encephalitis and CSF Anti-GluR3 Antibodies in an MS Patient after Alemtuzumab Treatment
title_fullStr Autoimmune Encephalitis and CSF Anti-GluR3 Antibodies in an MS Patient after Alemtuzumab Treatment
title_full_unstemmed Autoimmune Encephalitis and CSF Anti-GluR3 Antibodies in an MS Patient after Alemtuzumab Treatment
title_short Autoimmune Encephalitis and CSF Anti-GluR3 Antibodies in an MS Patient after Alemtuzumab Treatment
title_sort autoimmune encephalitis and csf anti glur3 antibodies in an ms patient after alemtuzumab treatment
topic multiple sclerosis
autoimmune diseases
immune thrombocytopenic purpura
autoimmune encephalitis
alemtuzumab
antibodies against glur3 peptide
url https://www.mdpi.com/2076-3425/9/11/299
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