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Mult Scler J Exp Transl Clin . Clinical features and outcomes of COVID-19 despite SARS-CoV-2 vaccination in people with multiple sclerosis

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  • Mult Scler J Exp Transl Clin . Clinical features and outcomes of COVID-19 despite SARS-CoV-2 vaccination in people with multiple sclerosis


    Mult Scler J Exp Transl Clin


    . 2021 Nov 26;7(4):20552173211057110.
    doi: 10.1177/20552173211057110. eCollection 2021 Oct.
    Clinical features and outcomes of COVID-19 despite SARS-CoV-2 vaccination in people with multiple sclerosis


    Deja R Rose 1 , Ahmad Z Mahadeen 1 , Alise K Carlson 1 , Sarah M Planchon 1 , Jennifer Sedlak 1 , Scott Husak 1 , Robert A Bermel 1 , Jeffrey A Cohen 1 , Brandon P Moss 1



    Affiliations

    Abstract

    Background: Several studies have demonstrated reduced serological response to vaccines in patients treated with anti-CD20 agents. However, limited data exist surrounding the clinical effect of disease modifying therapy (DMT) use on vaccine efficacy.
    Objectives: To investigate breakthrough coronavirus disease 2019 (COVID-19) in vaccinated people with multiple sclerosis (PwMS) on DMT.
    Methods: PwMS on DMT diagnosed with COVID-19 after full vaccination were identified from an existing Cleveland Clinic COVID-19 registry, supplemented by provider-identified cases. Demographics, disease history, DMTs, comorbidities, exposures, vaccination status, and COVID-19 outcomes were confirmed by review of the electronic medical record.
    Results: Thirteen (3.8%) of 344 fully vaccinated people with multiple sclerosis on disease modifying therapy were diagnosed with COVID-19 after vaccination. Ten patients (76.9%) were on an anti-CD20 therapy, the remaining 3 (23.1%) on fingolimod. Only 2 patients (15.4%), both on anti-CD20 therapy, required hospitalization and steroid treatment. Neither required Intensive Care Unit admission.
    Conclusion: Patients treated with anti-CD20 agents and sphingosine 1-phosphate receptor modulators may still be at risk for COVID-19 despite vaccination. While still at risk for hospitalization, intubation and death from COVID-19 appear rare. Larger studies analyzing how this may differ in the setting of emerging variants are needed.

    Keywords: COVID-19; disease-modifying therapy; multiple sclerosis.

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