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Virupakshaiah A, Schoeps VA, Race J, Waltz M, Sharayah S, Nasr Z, Moseley CE, Zamvil SS, Gaudioso C, Schuette A, Casper TC, Rose J, Flanagan EP, Rodriguez M, Tillema JM, Chitnis T, Gorman MP, Graves JS, Benson LA, Rensel M, Abrams A, Krupp L, Lotze TE, Aaen G, Wheeler Y, Schreiner T, Waldman A, Chong J, Mar S, Waubant E. Predictors of a relapsing course in myelin oligodendrocyte glycoprotein antibody-associated disease. J Neurol Neurosurg Psychiatry 2024:jnnp-2024-333464. [PMID: 38964848 DOI: 10.1136/jnnp-2024-333464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 05/23/2024] [Indexed: 07/06/2024]
Abstract
BACKGROUND Myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD) is a recently described demyelinating disorder, and children represent about 50% of all cases. Almost half of the patients experience relapses, but very few studies have evaluated predictors of relapse risk, challenging clinical management. The study aimed to identify predictors at MOGAD onset that are associated with a relapsing course. METHODS Prospectively collected data from paediatric patients with MOGAD seen by the US Network of Paediatric MS Centres were leveraged. Univariable and adjusted multivariable models were used to predict recurrent disease. RESULTS We identified 326 MOGAD cases (mean age at first event 8.9 years [SD 4.3], 57% female, 77% white and 74% non-Hispanic) and 46% relapsed during a mean follow-up of 3.9 years (SD 4.1). In the adjusted multivariable model, female sex (HR 1.66, 95% CI 1.17 to 2.36, p=0.004) and Hispanic/Latino ethnicity (HR 1.77, 95% CI 1.19 to 2.64, p=0.005) were associated with a higher risk of relapsing MOGAD. Maintenance treatment initiated before a second event with rituximab (HR 0.25, 95% CI 0.07 to 0.92, p=0.037) or intravenous immunoglobulin (IVIG) (HR 0.35, 95% CI 0.14 to 0.88, p=0.026) was associated with lower risk of a second event in multivariable analyses. Conversely, maintenance steroids were associated with a higher estimated relapse risk (HR 1.76, 95% CI 0.90 to 3.45, p=0.097). CONCLUSION Sex and ethnicity are associated with relapsing MOGAD. Use of rituximab or IVIG therapy shortly after onset is associated with a lower risk of the second event. Preventive treatment after a first event could be considered for those with a higher relapse risk.
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Affiliation(s)
- Akash Virupakshaiah
- Neurology, UCSF Weill Institute for Neurosciences, San Francisco, California, USA
| | - Vinicius A Schoeps
- Neurology, UCSF Weill Institute for Neurosciences, San Francisco, California, USA
| | | | | | - Siefaddeen Sharayah
- Department of Neurology, Washington University in St Louis, St Louis, Missouri, USA
| | - Zahra Nasr
- Neurology, UCSF Weill Institute for Neurosciences, San Francisco, California, USA
| | - Carson E Moseley
- Neurology, UCSF Weill Institute for Neurosciences, San Francisco, California, USA
| | - Scott S Zamvil
- Neurology, UCSF Weill Institute for Neurosciences, San Francisco, California, USA
- Program in Immunology, UCSF, San Francisco, California, USA
| | - Cristina Gaudioso
- Department of Neurology, Washington University in St Louis, St Louis, Missouri, USA
| | | | | | - John Rose
- The University of Utah, Salt Lake City, Utah, USA
| | | | | | | | - Tanuja Chitnis
- Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Mark P Gorman
- Boston Children's Hospital, Boston, Massachusetts, USA
| | - Jennifer S Graves
- Department of Neurology, University of California San Diego, La Jolla, California, USA
| | | | | | | | - Lauren Krupp
- Pediatric MS Center, NYU Langone Health, New York, New York, USA
| | | | - Gregory Aaen
- Loma Linda University Medical Center, Loma Linda, California, USA
| | - Yolanda Wheeler
- University of Alabama at Birmingham, Birmingham, Alabama, USA
| | | | - Amy Waldman
- The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Janet Chong
- Neurology, UCSF Weill Institute for Neurosciences, San Francisco, California, USA
| | - Soe Mar
- Department of Neurology, Washington University in St Louis, St Louis, Missouri, USA
| | - Emmanuelle Waubant
- Neurology, UCSF Weill Institute for Neurosciences, San Francisco, California, USA
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Khandait PD, Rohatgi S, Nirhale SP, Rao PM, Naphade PU. Rituximab Therapy for Immune-Mediated Neurological Diseases: Our Experience at a Tertiary Care Centre. Cureus 2024; 16:e62227. [PMID: 39006634 PMCID: PMC11244719 DOI: 10.7759/cureus.62227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2024] [Accepted: 06/12/2024] [Indexed: 07/16/2024] Open
Abstract
INTRODUCTION Rituximab (RTX) is a monoclonal anti-CD20 chimeric antibody that inhibits B cell activity. However, it is an appealing substitute for traditional immunomodulatory drugs as a swiftly acting, targeted therapy with mounting evidence of efficacy and tolerance in numerous neuroinflammatory conditions. We discuss the scientific evidence for the use of RTX in neurological illnesses, as well as the dose, safety, and other practical elements of prescription. AIM This study aims to assess and correlate the effects of RTX on immune-mediated neurological disorders. OBJECTIVES The primary objective of this study is to determine the outcomes in patients treated with RTX for the following conditions: myasthenia gravis (MG), autoimmune encephalitis, multiple sclerosis (MS), neuromyelitis optica spectrum disorder (NMOSD), myelin oligodendrocyte glycoprotein antibody disease (MOGAD), immune-mediated peripheral neuropathy, and inflammatory muscle disease. The secondary objective is to assess adverse drug reactions in patients treated with RTX. METHODS This is a prospective observational study conducted at a tertiary care centre. The data were analyzed for the period from May 2022 to May 2024. Approval was obtained from the institutional ethics committee before commencing the study, and written informed consent was obtained from all patients. RESULTS AND CONCLUSIONS A total of 56 patients were included in the study. The distribution of patients according to diseases is as follows: MG (17), MS (11), NMOSD (10), MOGAD (7), immune-mediated peripheral neuropathy (6), autoimmune encephalitis (3), and inflammatory muscle disease (2). However, one patient was lost to follow-up in the autoimmune encephalitis group. All patients experienced improvements in symptoms, and no relapse episodes have been reported except for one patient who had a relapse in the inflammatory muscle disease group. During the infusion process, some adverse drug reactions, such as chills and rigors, were observed, and two patients experienced major side effects, such as Pott's disease and cryptogenic organizing pneumonia. Nevertheless, overall, rituximab shows promise as an off-label immunosuppressive treatment for the aforementioned neurological immune-mediated diseases.
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Affiliation(s)
- Pranit D Khandait
- Neurology, Dr. D. Y. Patil Medical College, Hospital & Research Centre, Dr. D. Y. Patil Vidyapeeth (Deemed to be University), Pune, IND
| | - Shalesh Rohatgi
- Neurology, Dr. D. Y. Patil Medical College, Hospital & Research Centre, Dr. D. Y. Patil Vidyapeeth (Deemed to be University), Pune, IND
| | - Satish P Nirhale
- Neurology, Dr. D. Y. Patil Medical College, Hospital & Research Centre, Dr. D. Y. Patil Vidyapeeth (Deemed to be University), Pune, IND
| | - Prajwal M Rao
- Neurology, Dr. D. Y. Patil Medical College, Hospital & Research Centre, Dr. D. Y. Patil Vidyapeeth (Deemed to be University), Pune, IND
| | - Pravin U Naphade
- Neurology, Dr. D. Y. Patil Medical College, Hospital & Research Centre, Dr. D. Y. Patil Vidyapeeth (Deemed to be University), Pune, IND
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Schirò G, Iacono S, Andolina M, Bianchi A, Ragonese P, Salemi G. Tocilizumab treatment in MOGAD: a case report and literature review. Neurol Sci 2024; 45:1429-1436. [PMID: 38010585 PMCID: PMC10942923 DOI: 10.1007/s10072-023-07189-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Accepted: 11/03/2023] [Indexed: 11/29/2023]
Abstract
Myelin oligodendrocyte glycoprotein-immunoglobulin G associated disease (MOGAD) is an autoimmune demyelinating disorder of the central nervous system (CNS) which usually occurs with recurrent optic neuritis, transverse myelitis, acute disseminating encephalomyelitis, or brainstem encephalitis. To date, the anti-CD 20 drug rituximab (RTX) is employed in MOGAD although some authors reported the efficacy of Tocilizumab (TCZ) in refractory patients. We present the case of a woman affected by refractory MOGAD who was treated with TCZ after therapy with RTX had failed to prevent relapses. We also conducted a current literature review on TCZ use in MOGAD. A 57-year-old Caucasian woman affected by MOGAD with severe motor impairment and cognitive dysfunction was treated from 2020 to February 2022 with RTX. However, she experienced progressive clinical and cognitive worsening associated with white matter lesions mimicking leukodystrophy. In February 2022, the patient started therapy with TCZ administered with improvement of cognitive performance, walking ability, and brainstem functions. During TCZ, our patient reached the condition of NEDA-3 (no relapse, no increase in disability, no MRI activity on neuroimaging follow-up performed in September 2023). Moreover, the patient experienced paucisymptomatic SARS-CoV-2 infection that did not modify TCZ schedule. To date, there are few evidence on the efficacy and safety of TCZ in MOGAD. However, all the reviewed cases showed that TCZ represents an effective therapy in drug-resistant MOGAD. Our case highlights the efficacy of TCZ in drug resistant MOGAD and strengthens previous reports of TCZ safety and efficacy in MOGAD.
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Affiliation(s)
- Giuseppe Schirò
- Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
- Neurology Unit, Department of Diagnostic and Therapeutic Radiology & Stroke, AOU Policlinico, Palermo, Italy
| | - Salvatore Iacono
- Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
- Neurology Unit, Department of Diagnostic and Therapeutic Radiology & Stroke, AOU Policlinico, Palermo, Italy
| | - Michele Andolina
- Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
- Neurology Unit, Department of Diagnostic and Therapeutic Radiology & Stroke, AOU Policlinico, Palermo, Italy
| | - Alessia Bianchi
- Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
- Queen Square MS Centre, Department of Neuroinflammation, Institute of Neurology, Faculty of Brain Science, University College London, London, UK
| | - Paolo Ragonese
- Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy.
- Neurology Unit, Department of Diagnostic and Therapeutic Radiology & Stroke, AOU Policlinico, Palermo, Italy.
| | - Giuseppe Salemi
- Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
- Neurology Unit, Department of Diagnostic and Therapeutic Radiology & Stroke, AOU Policlinico, Palermo, Italy
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Bilodeau PA, Vishnevetsky A, Molazadeh N, Lotan I, Anderson M, Romanow G, Salky R, Healy BC, Matiello M, Chitnis T, Levy M. Effectiveness of immunotherapies in relapsing myelin oligodendrocyte glycoprotein antibody-associated disease. Mult Scler 2024; 30:357-368. [PMID: 38314479 DOI: 10.1177/13524585241226830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2024]
Abstract
BACKGROUND Myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD) can cause optic neuritis, transverse myelitis, or acute disseminated encephalomyelitis (ADEM). Immunotherapy is often used for relapsing disease, but there is variability in treatment decisions. OBJECTIVE The objective was to determine the annualized relapse rates (ARRs) and incidence rate ratios (IRRs) compared to pre-treatment and relapse-freedom probabilities among patients receiving steroids, B-cell depletion (BCD), intravenous immunoglobulin (IVIG), and mycophenolate mofetil (MMF). METHODS Retrospective cohort study of patients with relapsing MOGAD treated at Mass General Brigham. ARRs and IRRs compared to pre-treatment, and relapse-freedom probability and odds ratio for relapse-freedom compared to prednisone were calculated. RESULTS A total of 88 patients met the inclusion criteria. The ARR on IVIG was 0.13 (95% confidence interval (CI) = 0.06-0.27) and the relapse-freedom probability after at least 6 months of therapy was 72%. The ARR on BCD was 0.51 (95% CI = 0.34-0.77), and the relapse-freedom probability was 33%. The ARR on MMF was 0.32 (95% CI = 0.19-0.53) and the relapse-freedom probability was 49%. In pediatric-onset disease, MMF had the lowest ARRs (0.15, 95% CI = 0.07-0.33). CONCLUSION IVIG had the lowest ARRs and IRRs compared to pre-treatment and the highest relapse-freedom odds ratio compared to prednisone, while BCD had the lowest. In pediatric-onset MOGAD, MMF had the lowest ARRs.
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Affiliation(s)
- Philippe Antoine Bilodeau
- Division of Neuroimmunology & Neuroinfectious Disease, Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Anastasia Vishnevetsky
- Division of Neuroimmunology & Neuroinfectious Disease, Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Negar Molazadeh
- Division of Neuroimmunology & Neuroinfectious Disease, Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Itay Lotan
- Division of Neuroimmunology & Neuroinfectious Disease, Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Monique Anderson
- Division of Neuroimmunology & Neuroinfectious Disease, Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Gabriela Romanow
- Division of Neuroimmunology & Neuroinfectious Disease, Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Rebecca Salky
- Division of Neuroimmunology & Neuroinfectious Disease, Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Brian C Healy
- Brigham Multiple Sclerosis Center, Department of Neurology, Brigham and Women's Hospital, Boston, MA, USA
| | - Marcelo Matiello
- Division of Neuroimmunology & Neuroinfectious Disease, Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Tanuja Chitnis
- Brigham Multiple Sclerosis Center, Department of Neurology, Brigham and Women's Hospital, Boston, MA, USA
| | - Michael Levy
- Division of Neuroimmunology & Neuroinfectious Disease, Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
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Zhang H, Yang Y, Zhang J, Huang L, Niu Y, Chen H, Liu Q, Wang R. Oligodendrocytes Play a Critical Role in White Matter Damage of Vascular Dementia. Neuroscience 2024; 538:1-10. [PMID: 37913862 DOI: 10.1016/j.neuroscience.2023.10.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 10/17/2023] [Accepted: 10/21/2023] [Indexed: 11/03/2023]
Abstract
With the deepening of population aging, the treatment of cognitive impairment and dementia is facing increasing challenges. Vascular dementia (VaD) is a cognitive dysfunction caused by brain blood flow damage and one of the most common causes of dementia after Alzheimer's disease. White matter damage in patients with chronic ischemic dementia often occurs before cognitive impairment, and its pathological changes include leukoaraiosis, myelin destruction and oligodendrocyte death. The pathophysiology of vascular dementia is complex, involving a variety of neuronal and vascular lesions. The current proposed mechanisms include calcium overload, oxidative stress, nitrative stress and inflammatory damage, which can lead to hypoxia-ischemia and demyelination. Oligodendrocytes are the only myelinating cells in the central nervous system and closely associated with VaD. In this review article, we intend to further discuss the role of oligodendrocytes in white matter and myelin injury in VaD and the development of anti-myelin injury target drugs.
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Affiliation(s)
- Hexin Zhang
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, School of Pharmacy, Ningxia Medical University, Yinchuan 750004, Ningxia, China
| | - Yanrong Yang
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, School of Pharmacy, Ningxia Medical University, Yinchuan 750004, Ningxia, China
| | - Jingjing Zhang
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, School of Pharmacy, Ningxia Medical University, Yinchuan 750004, Ningxia, China
| | - Li Huang
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, School of Pharmacy, Ningxia Medical University, Yinchuan 750004, Ningxia, China
| | - Yang Niu
- Key Laboratory of Modernization of Minority Medicine, Ministry of Education, Ningxia medical University, Yinchuan 750004, Ningxia, China
| | - Hua Chen
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, School of Pharmacy, Ningxia Medical University, Yinchuan 750004, Ningxia, China
| | - Qibing Liu
- Department of Pharmacy, The First Affiliated Hospital of Hainan Medical University, Haikou 570100, China
| | - Rui Wang
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, School of Pharmacy, Ningxia Medical University, Yinchuan 750004, Ningxia, China.
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Carlsson O, Jonsson DI, Brundin L, Iacobaeus E. Relapses and Serious Infections in Patients with Neuromyelitis Optica Spectrum Disorder Treated with Rituximab: A Swedish Single-Center Study. J Clin Med 2024; 13:355. [PMID: 38256489 PMCID: PMC10816065 DOI: 10.3390/jcm13020355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 12/27/2023] [Accepted: 01/06/2024] [Indexed: 01/24/2024] Open
Abstract
Neuromyelitis optica spectrum disorder (NMOSD) is a rare immune-mediated relapsing-remitting disease of the central nervous system. The usage of rituximab, as relapse-preventive therapy, in NMOSD is common. We performed a single-center retrospective cohort study to assess the risk of relapses and severe infectious events (SIEs) in rituximab-treated NMOSD patients. This study included 24 aquaporin-4 IgG+ (AQP4+), 8 myelin-oligodendrocyte-protein IgG+ (MOG+), and 10 double-seronegative NMOSD patients. Relapses were observed in 50% of all patients during a mean treatment time of 4.0 (range: 0.5-8.25) years. The incidence risk ratio (IRR) of relapse was three times higher in MOG+ compared to AQP4+ patients (IRR: 3.0, 95% confidence interval (CI); 1.2-7.7). SIEs occurred in 40% of all patients during follow-up. AQP4+ patients conferred an increased risk of SIEs compared to MOG+ patients (IRR; 5.3, 95% CI; 1.2-24.3). Incomplete CD19+ B-lymphocyte suppression was not correlated with relapse risk (hazard ratio; 1.9, 95% CI; 0.7-5.2), and there was no correlation between IgG-levels and SIE risk (odds ratio; 2.0, 95% CI; 0.8-4.8). In conclusion, considerable risks of both relapses and SIEs were observed in NMOSD patients exposed to rituximab, which underlines the need for close clinical vigilance of disease activity and infections during treatment.
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Affiliation(s)
- Olof Carlsson
- Department of Clinical Neuroscience, Karolinska Institute, 171 64 Solna, Sweden; (O.C.); (D.I.J.); (L.B.)
- Department of Neurology, Karolinska University Hospital, 171 76 Stockholm, Sweden
| | - Dagur Ingi Jonsson
- Department of Clinical Neuroscience, Karolinska Institute, 171 64 Solna, Sweden; (O.C.); (D.I.J.); (L.B.)
- Department of Neurophysiology, Karolinska University Hospital, 171 76 Stockholm, Sweden
| | - Lou Brundin
- Department of Clinical Neuroscience, Karolinska Institute, 171 64 Solna, Sweden; (O.C.); (D.I.J.); (L.B.)
- Department of Neurology, Karolinska University Hospital, 171 76 Stockholm, Sweden
| | - Ellen Iacobaeus
- Department of Clinical Neuroscience, Karolinska Institute, 171 64 Solna, Sweden; (O.C.); (D.I.J.); (L.B.)
- Department of Neurology, Karolinska University Hospital, 171 76 Stockholm, Sweden
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Demuth S, Collongues N, Audoin B, Ayrignac X, Bourre B, Ciron J, Cohen M, Deschamps R, Durand-Dubief F, Maillart E, Papeix C, Ruet A, Zephir H, Marignier R, De Seze J. Rituximab De-escalation in Patients With Neuromyelitis Optica Spectrum Disorder. Neurology 2023; 101:e438-e450. [PMID: 37290967 PMCID: PMC10435052 DOI: 10.1212/wnl.0000000000207443] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Accepted: 04/07/2023] [Indexed: 06/10/2023] Open
Abstract
BACKGROUND AND OBJECTIVES Exit strategies such as de-escalations have not been evaluated for rituximab in patients with neuromyelitis optica spectrum disorder (NMOSD). We hypothesized that they are associated with disease reactivations and aimed to estimate this risk. METHODS We describe a case series of real-world de-escalations from the French NMOSD registry (NOMADMUS). All patients met the 2015 International Panel for NMO Diagnosis (IPND) diagnostic criteria for NMOSD. A computerized screening of the registry extracted patients with rituximab de-escalations and at least 12 months of subsequent follow-up. We searched for 7 de-escalation regimens: scheduled discontinuations or switches to an oral treatment after single infusion cycles, scheduled discontinuations or switches to an oral treatment after periodic infusions, de-escalations before pregnancies, de-escalations after tolerance issues, and increased infusion intervals. Rituximab discontinuations motivated by inefficacy or for unknown purposes were excluded. The primary outcome was the absolute risk of NMOSD reactivation (one or more relapses) at 12 months. AQP4+ and AQP4- serotypes were analyzed separately. RESULTS We identified 137 rituximab de-escalations between 2006 and 2019 that corresponded to a predefined group: 13 discontinuations after a single infusion cycle, 6 switches to an oral treatment after a single infusion cycle, 9 discontinuations after periodic infusions, 5 switches to an oral treatment after periodic infusions, 4 de-escalations before pregnancies, 9 de-escalations after tolerance issues, and 91 increased infusion intervals. No group remained relapse-free over the whole de-escalation follow-up (mean: 3.2 years; range: 0.79-9.5), except pregnancies in AQP+ patients. In all groups combined and within 12 months, reactivations occurred after 11/119 de-escalations in patients with AQP4+ NMOSD (9.2%, 95% CI [4.7-15.9]), from 0.69 to 10.0 months, and in 5/18 de-escalations in patients with AQP4- NMOSD (27.8%, 95% CI [9.7-53.5]), from 1.1 to 9.9 months. DISCUSSION There is a risk of NMOSD reactivation whatever the rituximab de-escalation regimen. TRIAL REGISTRATION INFORMATION Registered on ClinicalTrials.gov: NCT02850705. CLASSIFICATION OF EVIDENCE This study provides Class IV evidence that de-escalation of rituximab increases the probability of disease reactivation.
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Affiliation(s)
- Stanislas Demuth
- From the Department of Neurology (S.D., N.C., J.D.S.); Clinical Investigation Center (N.C., J.D.S.), Strasbourg University Hospital; Department of Neurology (B.A.), APHM, Hôpital de la Timone, Pôle de Neurosciences Cliniques, Marseille; Department of Neurology (X.A.), Montpellier University Hospital; Department of Neurology (B.B.), Rouen University Hospital; Department of Neurology CRC-SEP (J.C.), CHU Toulouse; Department of Neurology, CHU Poitiers (J.C.); Department of Neurology (M.C.), CHU de Nice, UR2CA-URRIS, Nice Côte d'Azur University; Department of Neurology (R.D.), Hôpital Fondation Adolphe de Rothschild, Paris; Department of Neurology (F.D.U.R.A.N.D.-D.U.B.I.E.F.), Sclérose en Plaques, Pathologies de la Myéline et Neuro-inflammation, Hôpital Neurologique, Hospices Civils de Lyon; Department of Neurology (E.M., C.P.), AP-HP, Pitié-Salpêtrière Hospital, Paris; Department of Neurology (Groupe Hospitalier Pellegrin) (A.R.), Centre Hospitalier Universitaire de Bordeaux; Université de Bordeaux (A.R.), INSERM U1215, Neurocentre Magendie; Department of Neurology (H.Z.), University Hospital of Lille, UFR3S Univ-Lille, Inserm U 1172; Service de Neurologie, Sclérose en Plaques, Pathologies de la Myéline et Neuro Inflammation (R.M.), and Centre de Référence des Maladies Inflammatoires Rares du Cerveau et de la Moelle (MIRCEM), Hôpital Neurologique Pierre Wertheimer, Bron; Centre des Neurosciences de Lyon-FORGETTING Team (R.M.), INSERM 1028 and CNRS UMR5292; and Université Claude Bernard Lyon 1 (R.M.), France
| | - Nicolas Collongues
- From the Department of Neurology (S.D., N.C., J.D.S.); Clinical Investigation Center (N.C., J.D.S.), Strasbourg University Hospital; Department of Neurology (B.A.), APHM, Hôpital de la Timone, Pôle de Neurosciences Cliniques, Marseille; Department of Neurology (X.A.), Montpellier University Hospital; Department of Neurology (B.B.), Rouen University Hospital; Department of Neurology CRC-SEP (J.C.), CHU Toulouse; Department of Neurology, CHU Poitiers (J.C.); Department of Neurology (M.C.), CHU de Nice, UR2CA-URRIS, Nice Côte d'Azur University; Department of Neurology (R.D.), Hôpital Fondation Adolphe de Rothschild, Paris; Department of Neurology (F.D.U.R.A.N.D.-D.U.B.I.E.F.), Sclérose en Plaques, Pathologies de la Myéline et Neuro-inflammation, Hôpital Neurologique, Hospices Civils de Lyon; Department of Neurology (E.M., C.P.), AP-HP, Pitié-Salpêtrière Hospital, Paris; Department of Neurology (Groupe Hospitalier Pellegrin) (A.R.), Centre Hospitalier Universitaire de Bordeaux; Université de Bordeaux (A.R.), INSERM U1215, Neurocentre Magendie; Department of Neurology (H.Z.), University Hospital of Lille, UFR3S Univ-Lille, Inserm U 1172; Service de Neurologie, Sclérose en Plaques, Pathologies de la Myéline et Neuro Inflammation (R.M.), and Centre de Référence des Maladies Inflammatoires Rares du Cerveau et de la Moelle (MIRCEM), Hôpital Neurologique Pierre Wertheimer, Bron; Centre des Neurosciences de Lyon-FORGETTING Team (R.M.), INSERM 1028 and CNRS UMR5292; and Université Claude Bernard Lyon 1 (R.M.), France
| | - Bertrand Audoin
- From the Department of Neurology (S.D., N.C., J.D.S.); Clinical Investigation Center (N.C., J.D.S.), Strasbourg University Hospital; Department of Neurology (B.A.), APHM, Hôpital de la Timone, Pôle de Neurosciences Cliniques, Marseille; Department of Neurology (X.A.), Montpellier University Hospital; Department of Neurology (B.B.), Rouen University Hospital; Department of Neurology CRC-SEP (J.C.), CHU Toulouse; Department of Neurology, CHU Poitiers (J.C.); Department of Neurology (M.C.), CHU de Nice, UR2CA-URRIS, Nice Côte d'Azur University; Department of Neurology (R.D.), Hôpital Fondation Adolphe de Rothschild, Paris; Department of Neurology (F.D.U.R.A.N.D.-D.U.B.I.E.F.), Sclérose en Plaques, Pathologies de la Myéline et Neuro-inflammation, Hôpital Neurologique, Hospices Civils de Lyon; Department of Neurology (E.M., C.P.), AP-HP, Pitié-Salpêtrière Hospital, Paris; Department of Neurology (Groupe Hospitalier Pellegrin) (A.R.), Centre Hospitalier Universitaire de Bordeaux; Université de Bordeaux (A.R.), INSERM U1215, Neurocentre Magendie; Department of Neurology (H.Z.), University Hospital of Lille, UFR3S Univ-Lille, Inserm U 1172; Service de Neurologie, Sclérose en Plaques, Pathologies de la Myéline et Neuro Inflammation (R.M.), and Centre de Référence des Maladies Inflammatoires Rares du Cerveau et de la Moelle (MIRCEM), Hôpital Neurologique Pierre Wertheimer, Bron; Centre des Neurosciences de Lyon-FORGETTING Team (R.M.), INSERM 1028 and CNRS UMR5292; and Université Claude Bernard Lyon 1 (R.M.), France
| | - Xavier Ayrignac
- From the Department of Neurology (S.D., N.C., J.D.S.); Clinical Investigation Center (N.C., J.D.S.), Strasbourg University Hospital; Department of Neurology (B.A.), APHM, Hôpital de la Timone, Pôle de Neurosciences Cliniques, Marseille; Department of Neurology (X.A.), Montpellier University Hospital; Department of Neurology (B.B.), Rouen University Hospital; Department of Neurology CRC-SEP (J.C.), CHU Toulouse; Department of Neurology, CHU Poitiers (J.C.); Department of Neurology (M.C.), CHU de Nice, UR2CA-URRIS, Nice Côte d'Azur University; Department of Neurology (R.D.), Hôpital Fondation Adolphe de Rothschild, Paris; Department of Neurology (F.D.U.R.A.N.D.-D.U.B.I.E.F.), Sclérose en Plaques, Pathologies de la Myéline et Neuro-inflammation, Hôpital Neurologique, Hospices Civils de Lyon; Department of Neurology (E.M., C.P.), AP-HP, Pitié-Salpêtrière Hospital, Paris; Department of Neurology (Groupe Hospitalier Pellegrin) (A.R.), Centre Hospitalier Universitaire de Bordeaux; Université de Bordeaux (A.R.), INSERM U1215, Neurocentre Magendie; Department of Neurology (H.Z.), University Hospital of Lille, UFR3S Univ-Lille, Inserm U 1172; Service de Neurologie, Sclérose en Plaques, Pathologies de la Myéline et Neuro Inflammation (R.M.), and Centre de Référence des Maladies Inflammatoires Rares du Cerveau et de la Moelle (MIRCEM), Hôpital Neurologique Pierre Wertheimer, Bron; Centre des Neurosciences de Lyon-FORGETTING Team (R.M.), INSERM 1028 and CNRS UMR5292; and Université Claude Bernard Lyon 1 (R.M.), France
| | - Bertrand Bourre
- From the Department of Neurology (S.D., N.C., J.D.S.); Clinical Investigation Center (N.C., J.D.S.), Strasbourg University Hospital; Department of Neurology (B.A.), APHM, Hôpital de la Timone, Pôle de Neurosciences Cliniques, Marseille; Department of Neurology (X.A.), Montpellier University Hospital; Department of Neurology (B.B.), Rouen University Hospital; Department of Neurology CRC-SEP (J.C.), CHU Toulouse; Department of Neurology, CHU Poitiers (J.C.); Department of Neurology (M.C.), CHU de Nice, UR2CA-URRIS, Nice Côte d'Azur University; Department of Neurology (R.D.), Hôpital Fondation Adolphe de Rothschild, Paris; Department of Neurology (F.D.U.R.A.N.D.-D.U.B.I.E.F.), Sclérose en Plaques, Pathologies de la Myéline et Neuro-inflammation, Hôpital Neurologique, Hospices Civils de Lyon; Department of Neurology (E.M., C.P.), AP-HP, Pitié-Salpêtrière Hospital, Paris; Department of Neurology (Groupe Hospitalier Pellegrin) (A.R.), Centre Hospitalier Universitaire de Bordeaux; Université de Bordeaux (A.R.), INSERM U1215, Neurocentre Magendie; Department of Neurology (H.Z.), University Hospital of Lille, UFR3S Univ-Lille, Inserm U 1172; Service de Neurologie, Sclérose en Plaques, Pathologies de la Myéline et Neuro Inflammation (R.M.), and Centre de Référence des Maladies Inflammatoires Rares du Cerveau et de la Moelle (MIRCEM), Hôpital Neurologique Pierre Wertheimer, Bron; Centre des Neurosciences de Lyon-FORGETTING Team (R.M.), INSERM 1028 and CNRS UMR5292; and Université Claude Bernard Lyon 1 (R.M.), France
| | - Jonathan Ciron
- From the Department of Neurology (S.D., N.C., J.D.S.); Clinical Investigation Center (N.C., J.D.S.), Strasbourg University Hospital; Department of Neurology (B.A.), APHM, Hôpital de la Timone, Pôle de Neurosciences Cliniques, Marseille; Department of Neurology (X.A.), Montpellier University Hospital; Department of Neurology (B.B.), Rouen University Hospital; Department of Neurology CRC-SEP (J.C.), CHU Toulouse; Department of Neurology, CHU Poitiers (J.C.); Department of Neurology (M.C.), CHU de Nice, UR2CA-URRIS, Nice Côte d'Azur University; Department of Neurology (R.D.), Hôpital Fondation Adolphe de Rothschild, Paris; Department of Neurology (F.D.U.R.A.N.D.-D.U.B.I.E.F.), Sclérose en Plaques, Pathologies de la Myéline et Neuro-inflammation, Hôpital Neurologique, Hospices Civils de Lyon; Department of Neurology (E.M., C.P.), AP-HP, Pitié-Salpêtrière Hospital, Paris; Department of Neurology (Groupe Hospitalier Pellegrin) (A.R.), Centre Hospitalier Universitaire de Bordeaux; Université de Bordeaux (A.R.), INSERM U1215, Neurocentre Magendie; Department of Neurology (H.Z.), University Hospital of Lille, UFR3S Univ-Lille, Inserm U 1172; Service de Neurologie, Sclérose en Plaques, Pathologies de la Myéline et Neuro Inflammation (R.M.), and Centre de Référence des Maladies Inflammatoires Rares du Cerveau et de la Moelle (MIRCEM), Hôpital Neurologique Pierre Wertheimer, Bron; Centre des Neurosciences de Lyon-FORGETTING Team (R.M.), INSERM 1028 and CNRS UMR5292; and Université Claude Bernard Lyon 1 (R.M.), France
| | - Mikael Cohen
- From the Department of Neurology (S.D., N.C., J.D.S.); Clinical Investigation Center (N.C., J.D.S.), Strasbourg University Hospital; Department of Neurology (B.A.), APHM, Hôpital de la Timone, Pôle de Neurosciences Cliniques, Marseille; Department of Neurology (X.A.), Montpellier University Hospital; Department of Neurology (B.B.), Rouen University Hospital; Department of Neurology CRC-SEP (J.C.), CHU Toulouse; Department of Neurology, CHU Poitiers (J.C.); Department of Neurology (M.C.), CHU de Nice, UR2CA-URRIS, Nice Côte d'Azur University; Department of Neurology (R.D.), Hôpital Fondation Adolphe de Rothschild, Paris; Department of Neurology (F.D.U.R.A.N.D.-D.U.B.I.E.F.), Sclérose en Plaques, Pathologies de la Myéline et Neuro-inflammation, Hôpital Neurologique, Hospices Civils de Lyon; Department of Neurology (E.M., C.P.), AP-HP, Pitié-Salpêtrière Hospital, Paris; Department of Neurology (Groupe Hospitalier Pellegrin) (A.R.), Centre Hospitalier Universitaire de Bordeaux; Université de Bordeaux (A.R.), INSERM U1215, Neurocentre Magendie; Department of Neurology (H.Z.), University Hospital of Lille, UFR3S Univ-Lille, Inserm U 1172; Service de Neurologie, Sclérose en Plaques, Pathologies de la Myéline et Neuro Inflammation (R.M.), and Centre de Référence des Maladies Inflammatoires Rares du Cerveau et de la Moelle (MIRCEM), Hôpital Neurologique Pierre Wertheimer, Bron; Centre des Neurosciences de Lyon-FORGETTING Team (R.M.), INSERM 1028 and CNRS UMR5292; and Université Claude Bernard Lyon 1 (R.M.), France
| | - Romain Deschamps
- From the Department of Neurology (S.D., N.C., J.D.S.); Clinical Investigation Center (N.C., J.D.S.), Strasbourg University Hospital; Department of Neurology (B.A.), APHM, Hôpital de la Timone, Pôle de Neurosciences Cliniques, Marseille; Department of Neurology (X.A.), Montpellier University Hospital; Department of Neurology (B.B.), Rouen University Hospital; Department of Neurology CRC-SEP (J.C.), CHU Toulouse; Department of Neurology, CHU Poitiers (J.C.); Department of Neurology (M.C.), CHU de Nice, UR2CA-URRIS, Nice Côte d'Azur University; Department of Neurology (R.D.), Hôpital Fondation Adolphe de Rothschild, Paris; Department of Neurology (F.D.U.R.A.N.D.-D.U.B.I.E.F.), Sclérose en Plaques, Pathologies de la Myéline et Neuro-inflammation, Hôpital Neurologique, Hospices Civils de Lyon; Department of Neurology (E.M., C.P.), AP-HP, Pitié-Salpêtrière Hospital, Paris; Department of Neurology (Groupe Hospitalier Pellegrin) (A.R.), Centre Hospitalier Universitaire de Bordeaux; Université de Bordeaux (A.R.), INSERM U1215, Neurocentre Magendie; Department of Neurology (H.Z.), University Hospital of Lille, UFR3S Univ-Lille, Inserm U 1172; Service de Neurologie, Sclérose en Plaques, Pathologies de la Myéline et Neuro Inflammation (R.M.), and Centre de Référence des Maladies Inflammatoires Rares du Cerveau et de la Moelle (MIRCEM), Hôpital Neurologique Pierre Wertheimer, Bron; Centre des Neurosciences de Lyon-FORGETTING Team (R.M.), INSERM 1028 and CNRS UMR5292; and Université Claude Bernard Lyon 1 (R.M.), France
| | - Françoise Durand-Dubief
- From the Department of Neurology (S.D., N.C., J.D.S.); Clinical Investigation Center (N.C., J.D.S.), Strasbourg University Hospital; Department of Neurology (B.A.), APHM, Hôpital de la Timone, Pôle de Neurosciences Cliniques, Marseille; Department of Neurology (X.A.), Montpellier University Hospital; Department of Neurology (B.B.), Rouen University Hospital; Department of Neurology CRC-SEP (J.C.), CHU Toulouse; Department of Neurology, CHU Poitiers (J.C.); Department of Neurology (M.C.), CHU de Nice, UR2CA-URRIS, Nice Côte d'Azur University; Department of Neurology (R.D.), Hôpital Fondation Adolphe de Rothschild, Paris; Department of Neurology (F.D.U.R.A.N.D.-D.U.B.I.E.F.), Sclérose en Plaques, Pathologies de la Myéline et Neuro-inflammation, Hôpital Neurologique, Hospices Civils de Lyon; Department of Neurology (E.M., C.P.), AP-HP, Pitié-Salpêtrière Hospital, Paris; Department of Neurology (Groupe Hospitalier Pellegrin) (A.R.), Centre Hospitalier Universitaire de Bordeaux; Université de Bordeaux (A.R.), INSERM U1215, Neurocentre Magendie; Department of Neurology (H.Z.), University Hospital of Lille, UFR3S Univ-Lille, Inserm U 1172; Service de Neurologie, Sclérose en Plaques, Pathologies de la Myéline et Neuro Inflammation (R.M.), and Centre de Référence des Maladies Inflammatoires Rares du Cerveau et de la Moelle (MIRCEM), Hôpital Neurologique Pierre Wertheimer, Bron; Centre des Neurosciences de Lyon-FORGETTING Team (R.M.), INSERM 1028 and CNRS UMR5292; and Université Claude Bernard Lyon 1 (R.M.), France
| | - Elisabeth Maillart
- From the Department of Neurology (S.D., N.C., J.D.S.); Clinical Investigation Center (N.C., J.D.S.), Strasbourg University Hospital; Department of Neurology (B.A.), APHM, Hôpital de la Timone, Pôle de Neurosciences Cliniques, Marseille; Department of Neurology (X.A.), Montpellier University Hospital; Department of Neurology (B.B.), Rouen University Hospital; Department of Neurology CRC-SEP (J.C.), CHU Toulouse; Department of Neurology, CHU Poitiers (J.C.); Department of Neurology (M.C.), CHU de Nice, UR2CA-URRIS, Nice Côte d'Azur University; Department of Neurology (R.D.), Hôpital Fondation Adolphe de Rothschild, Paris; Department of Neurology (F.D.U.R.A.N.D.-D.U.B.I.E.F.), Sclérose en Plaques, Pathologies de la Myéline et Neuro-inflammation, Hôpital Neurologique, Hospices Civils de Lyon; Department of Neurology (E.M., C.P.), AP-HP, Pitié-Salpêtrière Hospital, Paris; Department of Neurology (Groupe Hospitalier Pellegrin) (A.R.), Centre Hospitalier Universitaire de Bordeaux; Université de Bordeaux (A.R.), INSERM U1215, Neurocentre Magendie; Department of Neurology (H.Z.), University Hospital of Lille, UFR3S Univ-Lille, Inserm U 1172; Service de Neurologie, Sclérose en Plaques, Pathologies de la Myéline et Neuro Inflammation (R.M.), and Centre de Référence des Maladies Inflammatoires Rares du Cerveau et de la Moelle (MIRCEM), Hôpital Neurologique Pierre Wertheimer, Bron; Centre des Neurosciences de Lyon-FORGETTING Team (R.M.), INSERM 1028 and CNRS UMR5292; and Université Claude Bernard Lyon 1 (R.M.), France
| | - Caroline Papeix
- From the Department of Neurology (S.D., N.C., J.D.S.); Clinical Investigation Center (N.C., J.D.S.), Strasbourg University Hospital; Department of Neurology (B.A.), APHM, Hôpital de la Timone, Pôle de Neurosciences Cliniques, Marseille; Department of Neurology (X.A.), Montpellier University Hospital; Department of Neurology (B.B.), Rouen University Hospital; Department of Neurology CRC-SEP (J.C.), CHU Toulouse; Department of Neurology, CHU Poitiers (J.C.); Department of Neurology (M.C.), CHU de Nice, UR2CA-URRIS, Nice Côte d'Azur University; Department of Neurology (R.D.), Hôpital Fondation Adolphe de Rothschild, Paris; Department of Neurology (F.D.U.R.A.N.D.-D.U.B.I.E.F.), Sclérose en Plaques, Pathologies de la Myéline et Neuro-inflammation, Hôpital Neurologique, Hospices Civils de Lyon; Department of Neurology (E.M., C.P.), AP-HP, Pitié-Salpêtrière Hospital, Paris; Department of Neurology (Groupe Hospitalier Pellegrin) (A.R.), Centre Hospitalier Universitaire de Bordeaux; Université de Bordeaux (A.R.), INSERM U1215, Neurocentre Magendie; Department of Neurology (H.Z.), University Hospital of Lille, UFR3S Univ-Lille, Inserm U 1172; Service de Neurologie, Sclérose en Plaques, Pathologies de la Myéline et Neuro Inflammation (R.M.), and Centre de Référence des Maladies Inflammatoires Rares du Cerveau et de la Moelle (MIRCEM), Hôpital Neurologique Pierre Wertheimer, Bron; Centre des Neurosciences de Lyon-FORGETTING Team (R.M.), INSERM 1028 and CNRS UMR5292; and Université Claude Bernard Lyon 1 (R.M.), France
| | - Aurélie Ruet
- From the Department of Neurology (S.D., N.C., J.D.S.); Clinical Investigation Center (N.C., J.D.S.), Strasbourg University Hospital; Department of Neurology (B.A.), APHM, Hôpital de la Timone, Pôle de Neurosciences Cliniques, Marseille; Department of Neurology (X.A.), Montpellier University Hospital; Department of Neurology (B.B.), Rouen University Hospital; Department of Neurology CRC-SEP (J.C.), CHU Toulouse; Department of Neurology, CHU Poitiers (J.C.); Department of Neurology (M.C.), CHU de Nice, UR2CA-URRIS, Nice Côte d'Azur University; Department of Neurology (R.D.), Hôpital Fondation Adolphe de Rothschild, Paris; Department of Neurology (F.D.U.R.A.N.D.-D.U.B.I.E.F.), Sclérose en Plaques, Pathologies de la Myéline et Neuro-inflammation, Hôpital Neurologique, Hospices Civils de Lyon; Department of Neurology (E.M., C.P.), AP-HP, Pitié-Salpêtrière Hospital, Paris; Department of Neurology (Groupe Hospitalier Pellegrin) (A.R.), Centre Hospitalier Universitaire de Bordeaux; Université de Bordeaux (A.R.), INSERM U1215, Neurocentre Magendie; Department of Neurology (H.Z.), University Hospital of Lille, UFR3S Univ-Lille, Inserm U 1172; Service de Neurologie, Sclérose en Plaques, Pathologies de la Myéline et Neuro Inflammation (R.M.), and Centre de Référence des Maladies Inflammatoires Rares du Cerveau et de la Moelle (MIRCEM), Hôpital Neurologique Pierre Wertheimer, Bron; Centre des Neurosciences de Lyon-FORGETTING Team (R.M.), INSERM 1028 and CNRS UMR5292; and Université Claude Bernard Lyon 1 (R.M.), France
| | - Helene Zephir
- From the Department of Neurology (S.D., N.C., J.D.S.); Clinical Investigation Center (N.C., J.D.S.), Strasbourg University Hospital; Department of Neurology (B.A.), APHM, Hôpital de la Timone, Pôle de Neurosciences Cliniques, Marseille; Department of Neurology (X.A.), Montpellier University Hospital; Department of Neurology (B.B.), Rouen University Hospital; Department of Neurology CRC-SEP (J.C.), CHU Toulouse; Department of Neurology, CHU Poitiers (J.C.); Department of Neurology (M.C.), CHU de Nice, UR2CA-URRIS, Nice Côte d'Azur University; Department of Neurology (R.D.), Hôpital Fondation Adolphe de Rothschild, Paris; Department of Neurology (F.D.U.R.A.N.D.-D.U.B.I.E.F.), Sclérose en Plaques, Pathologies de la Myéline et Neuro-inflammation, Hôpital Neurologique, Hospices Civils de Lyon; Department of Neurology (E.M., C.P.), AP-HP, Pitié-Salpêtrière Hospital, Paris; Department of Neurology (Groupe Hospitalier Pellegrin) (A.R.), Centre Hospitalier Universitaire de Bordeaux; Université de Bordeaux (A.R.), INSERM U1215, Neurocentre Magendie; Department of Neurology (H.Z.), University Hospital of Lille, UFR3S Univ-Lille, Inserm U 1172; Service de Neurologie, Sclérose en Plaques, Pathologies de la Myéline et Neuro Inflammation (R.M.), and Centre de Référence des Maladies Inflammatoires Rares du Cerveau et de la Moelle (MIRCEM), Hôpital Neurologique Pierre Wertheimer, Bron; Centre des Neurosciences de Lyon-FORGETTING Team (R.M.), INSERM 1028 and CNRS UMR5292; and Université Claude Bernard Lyon 1 (R.M.), France
| | - Romain Marignier
- From the Department of Neurology (S.D., N.C., J.D.S.); Clinical Investigation Center (N.C., J.D.S.), Strasbourg University Hospital; Department of Neurology (B.A.), APHM, Hôpital de la Timone, Pôle de Neurosciences Cliniques, Marseille; Department of Neurology (X.A.), Montpellier University Hospital; Department of Neurology (B.B.), Rouen University Hospital; Department of Neurology CRC-SEP (J.C.), CHU Toulouse; Department of Neurology, CHU Poitiers (J.C.); Department of Neurology (M.C.), CHU de Nice, UR2CA-URRIS, Nice Côte d'Azur University; Department of Neurology (R.D.), Hôpital Fondation Adolphe de Rothschild, Paris; Department of Neurology (F.D.U.R.A.N.D.-D.U.B.I.E.F.), Sclérose en Plaques, Pathologies de la Myéline et Neuro-inflammation, Hôpital Neurologique, Hospices Civils de Lyon; Department of Neurology (E.M., C.P.), AP-HP, Pitié-Salpêtrière Hospital, Paris; Department of Neurology (Groupe Hospitalier Pellegrin) (A.R.), Centre Hospitalier Universitaire de Bordeaux; Université de Bordeaux (A.R.), INSERM U1215, Neurocentre Magendie; Department of Neurology (H.Z.), University Hospital of Lille, UFR3S Univ-Lille, Inserm U 1172; Service de Neurologie, Sclérose en Plaques, Pathologies de la Myéline et Neuro Inflammation (R.M.), and Centre de Référence des Maladies Inflammatoires Rares du Cerveau et de la Moelle (MIRCEM), Hôpital Neurologique Pierre Wertheimer, Bron; Centre des Neurosciences de Lyon-FORGETTING Team (R.M.), INSERM 1028 and CNRS UMR5292; and Université Claude Bernard Lyon 1 (R.M.), France
| | - Jerome De Seze
- From the Department of Neurology (S.D., N.C., J.D.S.); Clinical Investigation Center (N.C., J.D.S.), Strasbourg University Hospital; Department of Neurology (B.A.), APHM, Hôpital de la Timone, Pôle de Neurosciences Cliniques, Marseille; Department of Neurology (X.A.), Montpellier University Hospital; Department of Neurology (B.B.), Rouen University Hospital; Department of Neurology CRC-SEP (J.C.), CHU Toulouse; Department of Neurology, CHU Poitiers (J.C.); Department of Neurology (M.C.), CHU de Nice, UR2CA-URRIS, Nice Côte d'Azur University; Department of Neurology (R.D.), Hôpital Fondation Adolphe de Rothschild, Paris; Department of Neurology (F.D.U.R.A.N.D.-D.U.B.I.E.F.), Sclérose en Plaques, Pathologies de la Myéline et Neuro-inflammation, Hôpital Neurologique, Hospices Civils de Lyon; Department of Neurology (E.M., C.P.), AP-HP, Pitié-Salpêtrière Hospital, Paris; Department of Neurology (Groupe Hospitalier Pellegrin) (A.R.), Centre Hospitalier Universitaire de Bordeaux; Université de Bordeaux (A.R.), INSERM U1215, Neurocentre Magendie; Department of Neurology (H.Z.), University Hospital of Lille, UFR3S Univ-Lille, Inserm U 1172; Service de Neurologie, Sclérose en Plaques, Pathologies de la Myéline et Neuro Inflammation (R.M.), and Centre de Référence des Maladies Inflammatoires Rares du Cerveau et de la Moelle (MIRCEM), Hôpital Neurologique Pierre Wertheimer, Bron; Centre des Neurosciences de Lyon-FORGETTING Team (R.M.), INSERM 1028 and CNRS UMR5292; and Université Claude Bernard Lyon 1 (R.M.), France.
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8
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Al-Ani A, Chen JJ, Costello F. Myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD): current understanding and challenges. J Neurol 2023:10.1007/s00415-023-11737-8. [PMID: 37154894 PMCID: PMC10165591 DOI: 10.1007/s00415-023-11737-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 04/15/2023] [Accepted: 04/17/2023] [Indexed: 05/10/2023]
Abstract
New diagnostic criteria for myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD) have recently been proposed, distinguishing this syndrome from other inflammatory diseases of the central nervous system. Seropositivity status for MOG-IgG autoantibodies is important for diagnosing MOGAD, but only in the context of robust clinical characterization and cautious interpretation of neuroimaging. Over the last several years, access to cell-based assay (CBA) techniques has improved diagnostic accuracy, yet the positive predictive value of serum MOG-IgG values varies with the prevalence of MOGAD in any given patient population. For this reason, possible alternative diagnoses need to be considered, and low MOG-IgG titers need to be carefully weighted. In this review, cardinal clinical features of MOGAD are discussed. Key challenges to the current understanding of MOGAD are also highlighted, including uncertainty regarding the specificity and pathogenicity of MOG autoantibodies, the need to identify immunopathologic targets for future therapies, the quest to validate biomarkers that facilitate diagnosis and detect disease activity, and the importance of deciphering which patients with MOGAD require long-term immunotherapy.
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Affiliation(s)
- Abdullah Al-Ani
- Section of Ophthalmology, Department of Surgery, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.
| | - John J Chen
- Department of Ophthalmology and Neurology, Mayo Clinic, Rochester, MN, USA
| | - Fiona Costello
- Section of Ophthalmology, Department of Surgery, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
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9
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Kelly H, Vishnevetsky A, Chibnik LB, Levy M. Hypogammaglobulinemia secondary to B-cell depleting therapies in neuroimmunology: Comparing management strategies. Mult Scler J Exp Transl Clin 2023; 9:20552173231182534. [PMID: 37377746 PMCID: PMC10291859 DOI: 10.1177/20552173231182534] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 05/31/2023] [Indexed: 06/29/2023] Open
Abstract
Background Anti-CD20 agents are commonly used in MS, NMOSD, and MOGAD. Few studies have compared strategies to address hypogammaglobulinemia. Objective To compare strategies to manage secondary hypogammaglobulinemia in neuroimmunology patients, including reducing anti-CD20 dose and dosing frequency, IVIG/SCIG, anti-CD20 cessation, and DMT switches. Methods All MS, NMOSD, and MOGAD patients at our institution with hypogammaglobulinemia on anti-CD20 agents from 2001 to 2022 were analyzed. The median change in IgG, infection frequency, and infection severity before and after the treatment was calculated. Results In total, 257 patients were screened, and 30 had a treatment for hypogammaglobulinemia. IVIG/SCIG yielded the largest increase in IgG per year (674.0 mg/dL), followed by B-cell therapy cessation (34.7 mg/dL), and DMT switch (5.9 mg/dL). Dose reduction had the largest decrease in yearly infection frequency (2.7 fewer infections), followed by IVIG/SCIG (2.5 fewer), DMT switch (2 fewer), and reduced dosing frequency (0.5 fewer). Infection grade decreased by 1.9 for reduced dosing frequency (less severe infections), by 1.3 for IVIG/SCIG, and by 0.6 for DMT switch. Conclusion This data suggests that IVIG/SCIG may yield the greatest recovery in IgG while also reducing infection frequency and severity. Stopping anti-CD20 therapy and/or switching DMTs also increase IgG and may lower infection risk.
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Affiliation(s)
- Hannah Kelly
- Hannah Kelly, Medical Student, Case Western Reserve University, School of Medicine, 9501 Euclid Ave, Cleveland, OH 44106, USA.
| | - Anastasia Vishnevetsky
- Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Lori B. Chibnik
- Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Michael Levy
- Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
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10
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Furman MJ, Meuth SG, Albrecht P, Dietrich M, Blum H, Mares J, Milo R, Hartung HP. B cell targeted therapies in inflammatory autoimmune disease of the central nervous system. Front Immunol 2023; 14:1129906. [PMID: 36969208 PMCID: PMC10034856 DOI: 10.3389/fimmu.2023.1129906] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 02/23/2023] [Indexed: 03/11/2023] Open
Abstract
Cumulative evidence along several lines indicates that B cells play an important role in the pathological course of multiple sclerosis (MS), neuromyelitisoptica spectrum disorders (NMOSD) and related CNS diseases. This has prompted extensive research in exploring the utility of targeting B cells to contain disease activity in these disorders. In this review, we first recapitulate the development of B cells from their origin in the bone marrow to their migration to the periphery, including the expression of therapy-relevant surface immunoglobulin isotypes. Not only the ability of B cells to produce cytokines and immunoglobulins seems to be essential in driving neuroinflammation, but also their regulatory functions strongly impact pathobiology. We then critically assess studies of B cell depleting therapies, including CD20 and CD19 targeting monoclonal antibodies, as well as the new class of B cell modulating substances, Bruton´s tyrosinekinase (BTK) inhibitors, in MS, NMOSD and MOGAD.
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Affiliation(s)
- Moritz J. Furman
- Department of Neurology, Heinrich-Heine University Düsseldorf, Medical Faculty, Düsseldorf, Germany
| | - Sven G. Meuth
- Department of Neurology, Heinrich-Heine University Düsseldorf, Medical Faculty, Düsseldorf, Germany
| | - Philipp Albrecht
- Department of Neurology, Heinrich-Heine University Düsseldorf, Medical Faculty, Düsseldorf, Germany
- Department of Neurology, Maria Hilf Clinic, Moenchengladbach, Germany
| | - Michael Dietrich
- Department of Neurology, Heinrich-Heine University Düsseldorf, Medical Faculty, Düsseldorf, Germany
| | - Heike Blum
- Department of Neurology, Heinrich-Heine University Düsseldorf, Medical Faculty, Düsseldorf, Germany
| | - Jan Mares
- Department of Neurology, Palacky University in Olomouc, Olomouc, Czechia
| | - Ron Milo
- Department of Neurology, Barzilai Medical Center, Ashkelon, Israel
| | - Hans-Peter Hartung
- Department of Neurology, Heinrich-Heine University Düsseldorf, Medical Faculty, Düsseldorf, Germany
- Department of Neurology, Palacky University in Olomouc, Olomouc, Czechia
- Brain and Mind Center, Medical Faculty, The University of Sydney, Sydney, NSW, Australia
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11
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The Potential Pathogenicity of Myelin Oligodendrocyte Glycoprotein Antibodies in the Optic Pathway. J Neuroophthalmol 2023; 43:5-16. [PMID: 36729854 PMCID: PMC9924971 DOI: 10.1097/wno.0000000000001772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
BACKGROUND Myelin oligodendrocyte glycoprotein (MOG) antibody-associated disease (MOGAD) is an acquired inflammatory demyelinating disease with optic neuritis (ON) as the most frequent clinical symptom. The hallmark of the disease is the presence of autoantibodies against MOG (MOG-IgG) in the serum of patients. Whereas the role of MOG in the experimental autoimmune encephalomyelitis animal model is well-established, the pathogenesis of the human disease and the role of human MOG-IgG is still not fully clear. EVIDENCE ACQUISITION PubMed was searched for the terms "MOGAD," "optic neuritis," "MOG antibodies," and "experimental autoimmune encephalomyelitis" alone or in combination, to find articles of interest for this review. Only articles written in English language were included and reference lists were searched for further relevant papers. RESULTS B and T cells play a role in the pathogenesis of human MOGAD. The distribution of lesions and their development toward the optic pathway is influenced by the genetic background in animal models. Moreover, MOGAD-associated ON is frequently bilateral and often relapsing with generally favorable visual outcome. Activated T-cell subsets create an inflammatory environment and B cells are necessary to produce autoantibodies directed against the MOG protein. Here, pathologic mechanisms of MOG-IgG are discussed, and histopathologic findings are presented. CONCLUSIONS MOGAD patients often present with ON and harbor antibodies against MOG. Furthermore, pathogenesis is most likely a synergy between encephalitogenic T and antibody producing B cells. However, to which extent MOG-IgG are pathogenic and the exact pathologic mechanism is still not well understood.
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12
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Chang X, Zhang J, Li S, Wu P, Wang R, Zhang C, Wu Y. Meta-analysis of the effectiveness of relapse prevention therapy for myelin-oligodendrocyte glycoprotein antibody-associated disease. Mult Scler Relat Disord 2023; 72:104571. [PMID: 36905816 DOI: 10.1016/j.msard.2023.104571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 01/27/2023] [Accepted: 02/12/2023] [Indexed: 02/17/2023]
Abstract
BACKGROUND Approximately 40% of adults and 30% of children with Myelin-oligodendrocyte glycoprotein antibody-associated disease (MOGAD) experience a relapsing course, but the optimal relapse prevention therapy remains unclear. A meta- analysis was conducted to investigate the efficacy of azathioprine (AZA), mycophenolate mofetil (MMF), rituximab (RTX), maintenance intravenous immunoglobulin (IVIG), and tocilizumab (TCZ) in prevention of attacks in MOGAD. METHODS English and Chinese-language articles published from January 2010 to May 2022 were searched in PubMed, Embase, Web of Science, Cochrane, Wanfang Data, China National Knowledge Infrastructure (CNKI), and China Science and Technology Journal Database (CQVIP). Studies with fewer than three cases were excluded. Meta-analysis of the relapse-free rate, the change of annualized relapse rate (ARR)and Expanded Disability Status Scale (EDSS) scores before and after treatment, and an age subgroup analysis was performed. RESULTS A total of 41 studies were included. Three were prospective cohort studies, one was an ambispective cohort study, and 37 were retrospective cohort studies or case series. Eleven, eighteen, eighteen, eight, and two studies were included in the meta-analysis for relapse-free probability after AZA, MMF, RTX, IVIG, and TCZ therapy, respectively. The proportions of patients without relapse after AZA, MMF, RTX, IVIG, and TCZ were 65% [95% confidence interval (CI):49%-82%]), 73% (95%CI:62%-84%), 66% (95%CI:55%-77%), 79% (95%CI:66%-91%), and 93% (95%CI:54%-100%), respectively. The relapse-free rate did not significantly differ between the children and adults treated with each medication. Six, nine, ten, and three studies were included in the meta-analysis for the change of ARR before and after AZA, MMF, RTX, and IVIG therapy, respectively. ARR was significantly decreased after AZA, MMF, RTX, and IVIG therapy with a mean reduction of 1.58 (95%CI: [-2.29--0.87]), 1.32 (95%CI: [-1.57--1.07]), 1.01 (95%CI: [-1.34--0.67]), and 1.84 (95%CI: [-2.66--1.02]), respectively. The change in ARR did not significantly differ between children and adults. CONCLUSIONS AZA, MMF, RTX, maintenance IVIG, and TCZ all reduce the risk of relapse in both pediatric and adult patients with MOGAD. The literatures included in the meta-analysis were mainly retrospective studies, so large randomized prospective clinical trials are needed to compare the efficacy of different treatments.
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Affiliation(s)
- Xuting Chang
- Department of Pediatrics, Peking University First Hospital, Beijing 100034, China
| | - Jie Zhang
- Department of Pediatrics, Peking University First Hospital, Beijing 100034, China
| | - Shangru Li
- Department of Pediatrics, Peking University First Hospital, Beijing 100034, China
| | - Pengxia Wu
- Department of Pediatrics, Peking University First Hospital, Beijing 100034, China
| | - Rui Wang
- Fudan University GRADE Center, Children's Hospital of Fudan University, 210102, China
| | - Chongfan Zhang
- Fudan University GRADE Center, Children's Hospital of Fudan University, 210102, China
| | - Ye Wu
- Department of Pediatrics, Peking University First Hospital, Beijing 100034, China.
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13
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Spagni G, Sun B, Monte G, Sechi E, Iorio R, Evoli A, Damato V. Efficacy and safety of rituximab in myelin oligodendrocyte glycoprotein antibody-associated disorders compared with neuromyelitis optica spectrum disorder: a systematic review and meta-analysis. J Neurol Neurosurg Psychiatry 2023; 94:62-69. [PMID: 36283808 DOI: 10.1136/jnnp-2022-330086] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 09/29/2022] [Indexed: 11/07/2022]
Abstract
BACKGROUND Rituximab (RTX) efficacy in patients with myelin oligodendrocyte glycoprotein (MOG) antibody-associated disorders (MOGADs) is still poorly understood, though it appears to be lower than in aquaporin-4-IgG-positive neuromyelitis optica spectrum disorders (AQP4-IgG+NMOSDs). The aim of this systematic review and meta-analysis is to assess the efficacy and safety profile of RTX in patients with MOGAD and to compare RTX efficacy between MOGAD and AQP4-IgG+NMOSD. METHODS We searched original English-language articles published between 2012 and 2021 in MEDLINE, Cochrane, Central Register of Controlled Trials and clinicaltrials.gov, reporting data on RTX efficacy in patients with MOGAD. The main outcome measures were annualised relapse rate (ARR) and Expanded Disability Status Scale (EDSS) score mean differences (MDs) after RTX. The meta-analysis was performed with a random effects model. Covariates associated with the outcome measures were analysed with a linear meta-regression. RESULTS The systematic review included 315 patients (138 women, mean onset age 26.8 years) from 32 studies. Nineteen studies (282 patients) were included in the meta-analysis. After RTX, a significant decrease of ARR was found (MD: -0.92, 95% CI -1.24 to -0.60, p<0.001), markedly different from the AQP4-IgG+NMOSD (MD: -1.73 vs MOGAD -0.92, subgroup difference testing: Q=9.09, p=0.002). However, when controlling for the mean ARR pre-RTX, this difference was not significant. After RTX, the EDSS score decreased significantly (MD: -0.84, 95% CI -1.41 to -0.26, p=0.004). The frequency of RTX-related adverse events was 18.8% (36/192) and overall RTX-related mortality 0.5% (1/192). CONCLUSIONS RTX showed effective in MOGAD, although to a lesser extent than in AQP4-IgG+NMOSD, while the safety profile warrants some caution in its prescription. Randomised-controlled trials are needed to confirm these findings and provide robust evidence to improve treatment strategies in patients with MOGAD. PROSPERO REGISTRATION NUMBER CRD42020175439.
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Affiliation(s)
- Gregorio Spagni
- Neuroscience Department, Universita Cattolica del Sacro Cuore Facolta di Medicina e Chirurgia, Roma, Italy.,Neurology Institute, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Roma, Italy, Roma, Italy
| | - Bo Sun
- Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK
| | - Gabriele Monte
- Neuroscience Department, Universita Cattolica del Sacro Cuore Facolta di Medicina e Chirurgia, Roma, Italy.,Neuroscience, Ospedale Pediatrico Bambino Gesù, Roma, Italy
| | - Elia Sechi
- Department of Medical, Surgical and Experimental Sciences, University of Sassari, Sassari, Italy
| | - Raffaele Iorio
- Neurology Institute, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Roma, Italy, Roma, Italy
| | - Amelia Evoli
- Neuroscience Department, Universita Cattolica del Sacro Cuore Facolta di Medicina e Chirurgia, Roma, Italy.,Neurology Institute, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Roma, Italy, Roma, Italy
| | - Valentina Damato
- Neuroscience Department, Universita Cattolica del Sacro Cuore Facolta di Medicina e Chirurgia, Roma, Italy .,Department of Neurosciences, Drugs and Child Health, University of Florence, Firenze, Italy
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14
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Zhou J, Li J, Ren C, Zhou A, Zhuo X, Gong S, Ding C, Fang F, Zhang W, Ren X. Mycophenolate mofetil: An alternative disease-modifying agent for MOG-IgG-associated disorders in childhood: A single-center bidirectional cohort study. Mult Scler Relat Disord 2022; 68:104128. [PMID: 36096009 DOI: 10.1016/j.msard.2022.104128] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 07/14/2022] [Accepted: 08/16/2022] [Indexed: 12/15/2022]
Abstract
OBJECTIVE To evaluate the efficacy of mycophenolate mofetil (MMF) in the treatment of childhood MOG-IgG-associated disorder (MOGAD). METHODS Thirty patients diagnosed with relapsing MOGAD and treated with MMF for >1 year from a childhood MOGAD ambispective cohort were included in the study. The clinical characteristics, therapeutic regimen, side effects, annualized relapse rate (ARR), and Expanded Disability Status Scale (EDSS) scores of these patients were evaluated. RESULTS The median age of disease onset was 7.05 (2.50-12.75) years. The male to female ratio was 1:1.31. All patients used MMF as first-line maintenance treatment. The median time to add MMF from disease onset was 1.08 (0.25-5.00) year. The median number of attacks before MMF initiation was 2 (2 - 8). The median duration of MMF therapy was 2.13 (1.00-3.58) years. Twenty (66.67%) patients did not experience further attacks during MMF therapy. The Kaplan-Meier curves showed a 3-year relapse-free rate of 59.8% (95% CI, 36.62-76.88%). ARR decreased during MMF therapy (0 (0 - 1.72) vs. 1.25 (0.60-4.00); P < 0.05). EDSS stabilized during MMF therapy (1.0 (0 - 2.0) vs. 0 (0 - 2.0); P = 0.206). None of the patients stopped the use of MMF due to intolerable side effects. Onset age, sex, phenotype of the first attack, ARR before MMF, MOG-IgG titers, and combined long-term prednisone (prednisone <10 mg daily for patients >40 kg or <5 mg daily for patients ≤40 kg longer than 6 months) did not predict recurrence during MMF therapy in univariate analysis. CONCLUSIONS MMF was effective and safe for treating childhood MOGAD. No clinical feature that could predict efficacy of MMF was found in pediatric patients with MOGAD.
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Affiliation(s)
- Ji Zhou
- Department of Neurology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China
| | - Jiuwei Li
- Department of Neurology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China
| | - Changhong Ren
- Department of Neurology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China
| | - Anna Zhou
- Department of Neurology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China
| | - Xiuwei Zhuo
- Department of Neurology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China
| | - Shuai Gong
- Department of Neurology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China
| | - Changhong Ding
- Department of Neurology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China
| | - Fang Fang
- Department of Neurology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China
| | - Weihua Zhang
- Department of Neurology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China.
| | - Xiaotun Ren
- Department of Neurology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China.
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15
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Liyanage G, Brilot F. Targeting B cell dysregulation with emerging therapies in autoimmune demyelinating disorders. Curr Opin Neurobiol 2022; 77:102643. [PMID: 36244128 DOI: 10.1016/j.conb.2022.102643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 08/24/2022] [Accepted: 09/13/2022] [Indexed: 01/10/2023]
Abstract
The depletion of B cells has proven to be beneficial in the treatment of autoimmune demyelinating disorders. The high efficacy of these therapies has highlighted the importance of B cells in autoimmunity and prompted investigations into specific B cell subsets that may be aberrant. Recently, a rise in the trialling of alternative B cell-targeting therapies that inhibit targets such as Bruton's tyrosine kinase, interleukin-6 receptor and fragment crystallisable neonatal receptor has also been observed. These agents interfere with specific dysregulated functions of B cells in contrast to the broad removal of many B cell subsets with depletion agents. The therapeutic benefit of these emerging agents will help delineate the contributions of B cells in demyelinating disorders and holds great potential for future treatment.
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Affiliation(s)
- Ganesha Liyanage
- Brain Autoimmunity Group, Kids Neuroscience Centre, Kids Research at the Children's Hospital at Westmead, Sydney, NSW, Australia; School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia. https://twitter.com/@Ganesha_Li
| | - Fabienne Brilot
- Brain Autoimmunity Group, Kids Neuroscience Centre, Kids Research at the Children's Hospital at Westmead, Sydney, NSW, Australia; School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia; Brain and Mind Centre, The University of Sydney, Sydney, NSW, Australia.
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16
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Update on glial antibody-mediated optic neuritis. Jpn J Ophthalmol 2022; 66:405-412. [PMID: 35895155 DOI: 10.1007/s10384-022-00932-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 05/16/2022] [Indexed: 10/16/2022]
Abstract
Optic neuritis (ON) refers to inflammatory demyelinating lesions of the optic nerve, which can cause acute or subacute vision loss and is a major cause of vision loss in young adults. Much of our understanding of typical ON is from the Optic Neuritis Treatment Trial. Glial autoantibodies to aquaporin-4 immunoglobulin (AQP4-IgG) and myelin oligodendrocyte glycoprotein immunoglobulin (MOG-IgG) are recently established biomarkers of ON that have revolutionized our understanding of atypical ON. The detection of glial antibodies is helpful in the diagnosis, treatment, and follow-up of patients with different types of ON. AQP4-IgG and MOG-IgG screening is strongly recommended for patients with atypical ON. Research on the pathogenesis of NMOSD and MOGAD will promote the development and marketing of targeted immunotherapies. The application of new and efficient drugs, such as the selective complement C5 inhibitor, IL-6 receptor inhibitor, B cell-depleting agents, and drugs against other monoclonal antibodies, provides additional medical evidence. This review provides information on the diagnosis and management of glial antibody-mediated ON.
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