4.3 Editorial Material

Two years of COVID-19 in the MS community: What have we learnt so far?

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Editorial Material Clinical Neurology

Two years of COVID-19 in the MS community: What have we learnt so far?

Ana Zabalza et al.

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Associations of Disease-Modifying Therapies With COVID-19 Severity in Multiple Sclerosis

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Summary: Using data from 12 sources in 28 countries, this study examined the characteristics of COVID-19 severity in people with MS, particularly those taking immunosuppressive therapies. The results showed that older age, progressive MS phenotype, and higher disability were associated with worse COVID-19 outcomes. Additionally, rituximab was consistently associated with increased risk of hospitalization, ICU admission, and need for ventilation, while ocrelizumab was mainly associated with hospitalization and ICU admission.

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Outcomes and Risk Factors Associated With SARS-CoV-2 Infection in a North American Registry of Patients With Multiple Sclerosis

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Summary: This study examined outcomes and risk factors associated with COVID-19 clinical severity in a large, diverse cohort of North American patients with multiple sclerosis. The study found that ambulatory disability, older age, male sex, Black race, cardiovascular comorbidities, and recent corticosteroid use were associated with increased odds of worse clinical severity in MS patients with COVID-19. Knowledge of these risk factors may help improve the treatment and monitoring of these patients.

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Summary: This study found that anti-CD20 treatment and fingolimod in MS patients led to reduced humoral response to mRNA vaccines. mRNA-1273 vaccine resulted in significantly higher antibody levels compared to BNT162b2, suggesting it may be preferred for patients under certain treatments.

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