06Nov 2024
Gene Markers May Predict Tofacitinib Response in JIA

Gene Markers May Predict Tofacitinib Response in JIA

A study on juvenile idiopathic arthritis (JIA) patients assessed changes in gene expression following 18 weeks of tofacitinib treatment. In an analysis of 67 baseline and 60 post-treatment samples, 883 genes showed significant differential expression, with downregulated genes enriched in IL-7 and interferon pathways and upregulated genes linked to neuronal and cell signaling processes. Baseline comparisons between treatment responders (TR) and poor responders (PR) revealed 663 differentially expressed genes. PR samples showed upregulation in pathways related to MAPK activity, myeloid cell development, GTPase activity, and organelle transport, suggesting that elevated MAPK signaling may predict poor response to tofacitinib. These findings provide insights into genetic predictors of tofacitinib efficacy in JIA treatment.

  • #rheumatology

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