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Medicines baricitinibQuestion & answer

baricitinib · Medicine question

How does baricitinib affect STAT phosphorylation and activation?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Baricitinib reduces STAT phosphorylation and activation by partially inhibiting JAK1 and JAK2 enzymatic activity.

Sources for this answer

Baricitinib LillyEli Lilly and Company Limited · emc · SmPC §5.1 Pharmacodynamic properties · Version 7Document updated 28 October 2026

Sources checked 8 November 2026

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