Studies have shown the messenger RNA (mRNA) vaccine against SARS-CoV-2 is safe in multiple sclerosis (MS), but the humoral response to the vaccine was markedly reduced in patients treated with fingolimod and ocrelizumab.1 We aimed to replicate these findings, test other disease-modifying treatments (DMTs), and investigate whether delaying anti-CD20 infusions can potentiate IgG production following vaccination.
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CME Disclosure Statement: Unless noted, all individuals in control of content reported no relevant financial relationships. If applicable, all relevant financial relationships have been mitigated.
Accepted for Publication: August 24, 2021.
Published Online: September 23, 2021. doi:10.1001/jamaneurol.2021.3609
Corresponding Author: Claudio Gobbi, MD, Multiple Sclerosis Center, Department of Neurology, Neurocenter of Southern Switzerland (NSI), Ospedale Civico, Via Tesserete 46, 6900 Lugano, Switzerland (email@example.com).
Author Contributions: Drs Disanto and Gobbi had full access to all the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis. Drs Gobbi and Zecca contributed equally to the manuscript.
Concept and design: Disanto, Gobbi, Zecca.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Disanto, Gobbi.
Critical revision of the manuscript for important intellectual content: Sacco, Bernasconi, Martinetti, Keller, Gobbi, Zecca.
Statistical analysis: Disanto.
Administrative, technical, or material support: Disanto, Sacco, Zecca.
Supervision: Gobbi, Zecca.
Conflict of Interest Disclosures: Dr Bernasconi received fees for his participation on advisory boards and travel grants from Gilead Sciences, MSD, ViiV Healthcare, AbbVie, and Pfizer. Dr Gobbi received research grants or honoraria for speaking and consulting fees from Almirall, Biogen, Celgene, Merck, Novartis, Roche, Sanofi Genzyme, Teva Pharma. Dr Zecca received research grants or honoraria for speaking and consulting fees from Almirall, Biogen, Celgene, Lilly, Lundbeck, Merck, Novartis, Roche, Sanofi, Teva Pharma. No other disclosures were reported.
Funding/Support: This study was supported by institutional funds of the Neurocenter of Southern Switzerland.
Role of the Funder/Sponsor: The Neurocenter of Southern Switzerland had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Credit Designation Statement: The American Medical Association designates this Journal-based CME activity activity for a maximum of 1.00 AMA PRA Category 1 Credit(s)™. Physicians should claim only the credit commensurate with the extent of their participation in the activity.
Successful completion of this CME activity, which includes participation in the evaluation component, enables the participant to earn up to:
It is the CME activity provider's responsibility to submit participant completion information to ACCME for the purpose of granting MOC credit.
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