2021
DOI: 10.1101/2021.06.23.21259389
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Altered cellular and humoral immune responses following SARS-CoV-2 mRNA vaccination in patients with multiple sclerosis on anti-CD20 therapy

Abstract: SARS-CoV-2 mRNA vaccination in healthy individuals generates effective immune protection against COVID-19. Little is known, however, about the SARS-CoV-2 mRNA vaccine-induced responses in immunosuppressed patients. We investigated induction of antigen-specific antibody, B cell and T cell responses in patients with multiple sclerosis on anti-CD20 (MS-aCD20) monotherapy following SARS-CoV-2 mRNA vaccination. Treatment with aCD20 significantly reduced Spike and RBD specific antibody and memory B cell responses in… Show more

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Cited by 43 publications
(34 citation statements)
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“…Plasma IgM, IgG, and IgA responses to SARS-CoV-2 receptor binding domain (RBD) were measured by enzyme linked immunosorbent assay (ELISA) 3 . As reported by others 2,[4][5][6] there was a significant increase in IgG reactivity to RBD between prime and boost (p<0.0001, Fig. 1a).…”
Section: Plasma Binding and Neutralization Assayssupporting
confidence: 85%
“…Plasma IgM, IgG, and IgA responses to SARS-CoV-2 receptor binding domain (RBD) were measured by enzyme linked immunosorbent assay (ELISA) 3 . As reported by others 2,[4][5][6] there was a significant increase in IgG reactivity to RBD between prime and boost (p<0.0001, Fig. 1a).…”
Section: Plasma Binding and Neutralization Assayssupporting
confidence: 85%
“…In one recent study, 10/13 patients with haematological malignancy and COVID-19 had SsT-cells, which were associated with improved survival (including in those on anti-CD20 therapy). 11 Overall, the emerging data from our study and others 37 appear to suggest that T-cell responses are likely important in those with haematological malignancies and may offer protection from severe COVID-19 in the absence of humoral responses.…”
Section: Sars-cov-2-infected Cancer Patients Were Previously Shown To Have Depleted T-cells Whichsupporting
confidence: 51%
“…Similar to patients with anti-CD20 treated multiple sclerosis (13), some of our patients with LM did not develop a speci c T cell response to the second dose. In contrast, several of the seronegative patients showed an emerging cellular response after dose 3, suggesting a positive effect of a second booster dose despite the absence of humoral response.…”
Section: Discussionsupporting
confidence: 74%