Impact of concomitant methotrexate on JAK inhibitors in rheumatoid arthritis-associated interstitial lung disease: a retrospective single-centre study from the KEIO-RA cohort.

OBJECTIVES: Rheumatoid arthritis-associated interstitial lung disease (RA-ILD) complicates disease management due to the limited methotrexate (MTX) use. Janus kinase (JAK) inhibitors are effective as monotherapy, but the impact of concomitant MTX in…

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