COVID Vaccine and MS Relapse Risk: New Data

Medscape August 23, 2024
Edited by Manasi Talwadekar

TOPLINE:

There is no link between the COVID-19 vaccination and an increased risk for multiple sclerosis (MS) relapse in most patients. However, there is a small increase in the risk for relapse following receipt of the COVID-19 booster in those with high MS activity.

METHODOLOGY:

• Researchers conducted an observational study using data from the French National Health Data System.
• 124,545 patients with MS were identified on January 1, 2021; 82.3% received at least one dose of a COVID-19 vaccine.
• Analysis included data following the first three doses of COVID-19 vaccines.
• The primary outcome was MS relapses requiring hospitalization and treatment with high-dose corticosteroids within a 45-day risk period after each vaccine dose.

TAKEAWAY:

• There was no association...

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