Serum negative neuromyelitis optica spectrum disorder after vaxzevria vaccination: A case report
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ABSTRACT: Background
Neuromyelitis optica spectrum disorder (NMOSD) is a rare autoimmune disease, targeting the central nervous system, rarely associated with vaccination. Case report
We report a case of a 47 year-old healthy woman who presented, ten days after the first dose of SARS-CoV-2 Vaccine AstraZeneca (Vaxzevria), with back pain, tetraplegia, urinary retention, dysarthria and dysphagia. The patient was diagnosed NMOSD. She underwent intravenous-corticosteroids, vein-Immunoglobulin and plasma-exchange without significant improvement . Conclusion
The absence of any possible related conditions, the temporal relation with anti-SARS-CoV-2 vaccination, suggest that, in our case, NMOSD may be due to the cross reaction from Vaxzevria.
SUBMITTER: Gorgone G
PROVIDER: S-EPMC8425290 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:Background and objectivesTo describe a new case of neuromyelitis optica spectrum disorder (NMOSD) induced by the administration of interferon-alpha (IFNα) and to raise awareness of this rare drug-induced disease of IFNα treatment.MethodsA single case study and comprehensive literature review of eight cases.ResultsA 24-year-old man was diagnosed with cerebral venous thrombosis and essential thrombocythemia. He had been undergoing IFNα treatment (IFNα-2b, 3 million IU per day) without any side effects for 18 months, at which point the patient developed persistent hiccups, nausea, urinary retention, and numbness. Spinal magnetic resonance imaging revealed a longitudinal abnormality extending from the medulla to the entire spinal cord. The patient was positive for anti-aquaporin-4 antibody (AQP4-IgG) in both the serum and cerebrospinal fluid (CSF), which confirmed the diagnosis of NMOSD. Thus, recombinant IFNα-2b was suspended immediately. Because his condition did not improve after 6-day treatment of methylprednisolone pulse therapy (1,000 mg for 3 days, then 500 mg for 3 days), intravenous immunoglobulin (0.4 g/kg/day for 5 days) was administered. The patient gradually improved. Low-dose prednisolone and mycophenolate mofetil were subsequently administered as a long-term treatment. The patient was discharged with subtle limb numbness and their expanded disability status score (EDSS) was 1. At the 1-year follow-up, the patient had not relapsed and tested negative for AQP4-IgG. We further identified the eight patients with IFNα-induced NMOSD. The median onset age was 59 years, and the median time of IFNα exposure was 18 months. Optic neuritis was the most common initial symptom (five, 55.6%), followed by myelitis in three patients and area postrema syndrome in one patient. More than half (five, 55.6%) of the patients were monophasic. After IFNα discontinuation and immunotherapy, most (seven, 77.8%) patients remained relapse-free. However, only one patient was free of sequelae.ConclusionThis study highlights the potential pathogenic risk of NMOSD of IFNα treatment. Given the high disability rates of this rare drug-induced disease, it is crucial to monitor the early manifestations of NMOSD during IFNα treatment.
| S-EPMC9081932 | biostudies-literature
Project description:IntroductionNeuromyelitis optica spectrum disorder (NMOSD) is an autoimmune disorder that principally targets the central nervous system, specifically the spinal cord and optic nerves. NMOSD is often associated with thyroid pathologies such as Graves' disease or Hashimoto's thyroiditis. Thyroid eye disease (TED) is an autoimmune condition characterized by inflammation and hypertrophy of the extraocular muscles. Dysthyroid optic neuropathy (DON), a critical complication of TED, may lead to irreversible visual loss. We report a case of DON complicated by NMOSD.Case presentationWe report a case of an autoimmune disease presenting as DON in a 44-year-old Japanese woman with a history of Graves' disease, who experienced reduced visual acuity and orbital pain. Brain magnetic resonance imaging disclosed hypertrophy of the rectus muscles, compressing the optic nerve bilaterally. Consequently, she was diagnosed with DON and underwent three courses of steroid semi-pulse therapy and left orbital decompression surgery, alleviating optic nerve compression. Nevertheless, the visual prognosis remained poor. A subsequent serological test showed positive for aquaporin-4 antibody. Treatment with satralizumab, an interleukin-6 receptor monoclonal antibody, was initiated in conjunction with steroids to suppress the autoimmune response and reduce NMOSD relapse risk. Following this treatment, no NMOSD recurrences were reported.ConclusionThis case highlights the necessity of considering the possible coexistence of DON and NMOSD in patients with autoimmune diseases.
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Project description:ObjectiveBlood tests to monitor disease activity, attack severity, or treatment impact in neuromyelitis optica spectrum disorder (NMOSD) have not been developed. This study investigated the relationship between serum glial fibrillary acidic protein (sGFAP) concentration and NMOSD activity and assessed the impact of inebilizumab treatment.MethodsN-MOmentum was a prospective, multicenter, double-blind, placebo-controlled, randomized clinical trial in adults with NMOSD. sGFAP levels were measured by single-molecule arrays (SIMOA) in 1,260 serial and attack-related samples from 215 N-MOmentum participants (92% aquaporin 4-immunoglobulin G-seropositive) and in control samples (from healthy donors and patients with relapsing-remitting multiple sclerosis).ResultsAt baseline, 62 participants (29%) exhibited high sGFAP concentrations (≥170 pg/ml; ≥2 standard deviations above healthy donor mean concentration) and were more likely to experience an adjudicated attack than participants with lower baseline concentrations (hazard ratio [95% confidence interval], 3.09 [1.6-6.1], p = 0.001). Median (interquartile range [IQR]) concentrations increased within 1 week of an attack (baseline: 168.4, IQR = 128.9-449.7 pg/ml; attack: 2,160.1, IQR = 302.7-9,455.0 pg/ml, p = 0.0015) and correlated with attack severity (median fold change from baseline [FC], minor attacks: 1.06, IQR = 0.9-7.4; major attacks: 34.32, IQR = 8.7-107.5, p = 0.023). This attack-related increase in sGFAP occurred primarily in placebo-treated participants (FC: 20.2, IQR = 4.4-98.3, p = 0.001) and was not observed in inebilizumab-treated participants (FC: 1.1, IQR = 0.8-24.6, p > 0.05). Five participants (28%) with elevated baseline sGFAP reported neurological symptoms leading to nonadjudicated attack assessments.InterpretationSerum GFAP may serve as a biomarker of NMOSD activity, attack risk, and treatment effects. ANN NEUROL 2021;89:895-910.
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Project description:Stimulation of the immune response after vaccination can occasionally result in adverse effects, including demyelination of the central nervous system. The most common presentation of postvaccination demyelination is acute disseminated encephalomyelitis, but cases of optic neuritis, transverse myelitis, and multiple sclerosis relapses have been reported. More recently, an increasing number of postvaccination neuromyelitis optica spectrum disorder (NMOSD) cases have surfaced in the literature, especially in patients with aquaporin-4 antibodies. In this article, we report an unusual case of myelin oligodendrocyte glycoprotein antibody-related NMOSD after the receipt of multiple vaccines in a first-trimester pregnant woman from Africa. We review the reported cases of postvaccination demyelination in the past decade, with a focus on the relationship between NMOSD and vaccination in patients with aquaporin-4 or myelin oligodendrocyte glycoprotein antibodies. Finally, we discuss the clinical relevance of the present case and similar reported cases as it relates to patient care in the neuroimmunology clinic and identify potential areas for future research.
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Project description:Intractable neuropathic pain is recognized as a common symptom of neuromyelitis optica spectrum disorder (NMOSD). However, the underlying mechanism of NMOSD pain remains to be elucidated. Here, we established NMOSD pain model by injecting anti-AQP4 recombinant autoantibodies (AQP4-Ab) generated from NMOSD patient’s plasmablasts into rat spinal cords and confirmed the development of mechanical allodynia. AQP4-Ab mediated extracellular ATP release from astrocytes and pharmacological inhibition of ATP receptor reversed mechanical allodynia in NMOSD pain model. Furthermore, transcriptome analysis revealed microglia activation and IL-1β elevation in NMOSD spinal cord. Inhibition of microglia activation and neutralization of IL-1β also attenuated neuropathic pain in NMOSD rat model. In addition, the human CSF ATP concentration was significantly higher in the acute and remission phase of NMOSD than in multiple sclerosis and other neurological disorder patients. These findings indicate ATP, microglial activation and IL-1β secretion orchestrates the pathogenesis of NMOSD neuropathic pain.
2021-08-24 | GSE150598 | GEO
Project description:ObjectivesWe investigated the sleep structure of patients with neuromyelitis optica spectrum disorder (NMOSD) and the association of abnormalities with brain lesions.MethodsThis was a prospective cross-sectional study. Thirty-three patients with NMOSD and 20 matched healthy individuals were enrolled. Demographic and clinical characteristics of patients were collected. Questionnaires were used to assess quality of sleep, daytime sleepiness, fatigue, and depression. Nocturnal polysomnography was performed.ResultsCompared with healthy controls, patients with NMOSD had decreases in sleep efficiency (7%; p = 0.0341), non-REM sleep N3 (12%; p < 0.0001), and arousal index (6; p = 0.0138). REM sleep increased by 4% (p = 0.0423). There were correlations between arousal index and REM% or Epworth Sleepiness Scale (r = -0.0145; p = 0.0386, respectively). Six patients with NMOSD (18%, 5 without infratentorial lesions and 1 with infratentorial lesions) had a hypopnea index >5, and all of those with sleep apnea had predominantly the peripheral type. The periodic leg movement (PLM) index was higher in patients with NMOSD than in healthy controls (20 vs 2, p = 0.0457). Surprisingly, 77% of the patients with PLM manifested infratentorial lesions.ConclusionsSleep architecture was markedly disrupted in patients with NMOSD. Surveillance of nocturnal symptoms and adequate symptomatic control are expected to improve the quality of life of patients with NMOSD.
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Project description:The terminal complement protein (C5) inhibitor eculizumab (Soliris®) is the first agent to be specifically approved in the EU, USA, Canada and Japan for the treatment of neuromyelitis optica spectrum disorder (NMOSD) in adults who are aquaporin-4 water channel autoantibody (AQP4-IgG) seropositive and (in the EU only) for those with a relapsing course of disease. In the phase III PREVENT trial, eculizumab significantly reduced the risk of adjudicated relapse relative to placebo in patients with AQP4-IgG-seropositive NMOSD, approximately a quarter of whom did not receive concomitant immunosuppressive therapies. The beneficial effect of eculizumab was seen across all patient subgroups analysed and was accompanied by improvements in neurological and functional disability assessments, as well as generic health-related quality of life measures; it was sustained through 4 years of treatment, according to combined data from the PREVENT trial and an interim analysis of its ongoing open-label extension study. The safety profile of eculizumab in AQP4-IgG-seropositive NMOSD was consistent with that seen for the drug in other approved indications. Thus, eculizumab provides an effective, generally well tolerated and approved treatment option for this rare, disabling and potentially life-threatening condition.
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Project description:BackgroundNeuromyelitis optica spectrum disorder (NMOSD) is an autoimmune demyelinating disease of the central nervous system, characterized by optic neuritis and longitudinally extensive transverse myelitis. Magnetic resonance imaging abnormalities may be observed in various brain regions of NMOSD patients. Only a few studies have addressed the cognitive functions in NMOSD, but none among Egyptian patients.ObjectiveTo investigate cognitive performance in a cohort of 20 Egyptian patients with NMOSD.DesignObservational, prospective study.PatientsWe studied 20 Egyptian patients with NMOSD and compared them with 18 healthy Egyptian controls matched for age, sex, and educational level.Main outcome measureWe applied an Arabic translation of MOCA and BICAMS Tests for Multiple Sclerosis.ResultsCognitive performance was significantly worse in the NMOSD group than in healthy controls for CVLT (P = 0.0099), SDMT (P = 0.0112), BVSMT (P = 0.019) and BICAMS in total (P = 0.0014). Patients with a later disease onset performed worse in MOCA and BVSMT.ConclusionsThis study confirms the concept of cognitive involvement in NMOSD among Egyptian patients. Information processing speed was the function most commonly impaired.
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Project description:Inebilizumab (Uplizna®) is a recently approved monoclonal antibody for use in adults with neuromyelitis optica spectrum disorder (NMOSD) who are anti-aquaporin-4 (AQP4) antibody seropositive. Inebilizumab targets the B cell antigen CD19 and effectively depletes circulating B cells, thus suppressing inflammatory NMOSD attacks that are potentially disabling or life-threatening. It is approved as an intravenous infusion in several countries. In the pivotal phase 2/3 N-MOmentum trial, inebilizumab reduced the risk of NMOSD attacks compared with placebo, including in AQP4-antibody seropositive patients. Inebilizumab also significantly reduced the risk of disability score worsening, the number of NMOSD-related hospitalisations and MRI lesion count, but had no significant effect on low-contrast binocular vision. The treatment effect on relapse risk and disability scores was sustained in inebilizumab-treated patients for ≥ 4 years during the open-label extension. Inebilizumab was generally well tolerated, with the most common adverse events being urinary tract infection and arthralgia. Thus, inebilizumab is an effective treatment option for adults with AQP4-antibody seropositive NMOSD.
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Project description:Introduction: Neuromyelitis optica spectrum disorder (NMOSD) is an inflammatory demyelinating disease of the central nervous system affecting primarily the spinal cord and optic nerves. Most NMOSD patients are seropositive for immunoglobulin G autoantibodies against astrocyte water channel aquaporin-4, called AQP4-IgG, which cause astrocyte injury leading to demyelination and neurological impairment. Current therapy for AQP4-IgG seropositive NMOSD includes immunosuppression, B cell depletion, and plasma exchange. Newer therapies target complement, CD19 and IL-6 receptors.Areas covered: This review covers early-stage pre-clinical therapeutic approaches for seropositive NMOSD. Targets include pathogenic AQP4-IgG autoantibodies and their binding to AQP4, complement-dependent and cell-mediated cytotoxicity, blood-brain barrier, remyelination and immune effector and regulatory cells, with treatment modalities including small molecules, biologics, and cells.Expert opinion: Though newer NMOSD therapies appear to have increased efficacy in reducing relapse rate and neurological deficit, increasingly targeted therapies could benefit NMOSD patients with ongoing relapses and could potentially be superior in efficacy and safety. Of the various early-stage therapeutic approaches, IgG inactivating enzymes, aquaporumab blocking antibodies, drugs targeting early components of the classical complement system, complement regulator-targeted drugs, and Fc-based multimers are of interest. Curative strategies, perhaps involving AQP4 tolerization, remain intriguing future possibilities.
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