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Severe Acute Respiratory Syndrome Coronavirus 2 Third Vaccine Immune Response in Multiple Sclerosis Patients Treated with Ocrelizumab
Author(s) -
Brill Livnat,
Raposo Catarina,
Rechtman Ariel,
Zveik Omri,
Levin Netta,
OiknineDjian Esther,
Wolf Dana G.,
VakninDembinsky Adi
Publication year - 2022
Publication title -
annals of neurology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 4.764
H-Index - 296
eISSN - 1531-8249
pISSN - 0364-5134
DOI - 10.1002/ana.26343
Subject(s) - medicine , ocrelizumab , immunology , vaccination , multiple sclerosis , immune system , titer , antibody , rituximab
The introduction of a third‐dose vaccination along with new variants of concern raises questions regarding serology and T‐cell responses in patients with multiple sclerosis (pwMS) treated with B‐cell depletion who develop attenuated humoral response to vaccines. The aim of this study was to longitudinally evaluate humoral and cellular response to SARS‐CoV‐2 mRNA vaccine in ocrelizumab‐treated pwMS before and following a third vaccine dose. Following the third vaccine dose, patients who are low or nonresponders following initial vaccination did not increase antibody titers. In healthy controls and ocrelizumab‐treated pwMS, cellular response decreased 6 months after initial vaccination and increased significantly after the third dose. ANN NEUROL 2022;91:796–800

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