Long term persistence of SARS-CoV-2 humoral response in multiple sclerosis subjects

•DMTs affect SARS-COV-2 IgG titre six months after the second BNT162b2 vaccine dose;.•SARS-CoV-2 IgG levels in IFN, DMF, TERI and NAT MS subjects are comparable to HC;.•DMF-, IFN- and GA- MS patients reveal a faster decline of the humoral response;.•TERI- and NAT- MS patients show higher persistence...

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Veröffentlicht in:Multiple sclerosis and related disorders 2022-06, Vol.62, p.103800-103800, Article 103800
Hauptverfasser: Maniscalco, Giorgia Teresa, Ferrara, Anne Lise, Liotti, Antonietta, Manzo, Valentino, Di Battista, Maria Elena, Salvatore, Simona, Graziano, Daniela, Viola, Assunta, Amato, Gerardino, Moreggia, Ornella, Di Giulio Cesare, Daniele, Alfieri, Gennaro, Di Iorio, Walter, Della Rocca, Gennaro, Andreone, Vincenzo, De Rosa, Veronica
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Zusammenfassung:•DMTs affect SARS-COV-2 IgG titre six months after the second BNT162b2 vaccine dose;.•SARS-CoV-2 IgG levels in IFN, DMF, TERI and NAT MS subjects are comparable to HC;.•DMF-, IFN- and GA- MS patients reveal a faster decline of the humoral response;.•TERI- and NAT- MS patients show higher persistence of SARS-CoV-2 IgG levels. The persistence of the severe acute respiratory syndrome coronavirus (SARS-CoV)-2 pandemic, partly due to the appearance of highly infectious variants, has made booster vaccinations necessary for vulnerable groups. Here, we present data regarding the decline of the SARS-CoV-2 BNT162b2 mRNA vaccine-induced humoral immune response in a monocentric cohort of MS patients. 96 MS patients undergoing eight different DMTs, all without previous SARS-CoV-2 infection, were evaluated for anti-Spike IgG levels, 21 days (T1) and 5–6 months (T2) after the second SARS-CoV-2 BNT162b2 mRNA vaccine dose. The anti-Spike IgG titre from MS subjects was compared with 21 age- and sex-matched healthy controls (HC). When compared with SARS-CoV-2 IgG levels at T2 in HC, we observed comparable levels in interferon-β 1a-, dimethyl fumarate-, teriflunomide- and natalizumab-treated MS subjects, but an impaired humoral response in MS subjects undergoing glatiramer acetate-, cladribine-, fingolimod- and ocrelizumab-treatments. Moreover, comparison between SARS-CoV-2 IgG Spike titre at T1 and T2 revealed a faster decline of the humoral response in patients undergoing dimethyl fumarate-, interferon-β 1a- and glatiramer acetate-therapies, while those receiving teriflunomide and natalizumab showed higher persistence compared to healthy controls. The prominent decline in humoral response in MS subjects undergoing dimethyl fumarate-, interferon-β 1a- and glatiramer acetate-therapies should be considered when formulating booster regimens as these subjects would benefit of early booster vaccinations.
ISSN:2211-0348
2211-0356
DOI:10.1016/j.msard.2022.103800