Methotrexate users fail to achieve adequate immune response to mRNA COVID-19 vaccines

By | June 4, 2021
Up to a third of patients taking methotrexate – a common treatment for immune mediated inflammatory conditions such as rheumatoid arthritis and psoriasis/psoriatic arthritis – failed to achieve an adequate immune response to mRNA COVID-19 vaccines in a small study accepted for publication in the journal Annals of the Rheumatic Diseases.