Rheumatoid arthritis

Real-world assessment of the efficacy and tolerability profile of JAK inhibitors in difficult-to-treat rheumatoid arthritis

Semin Arthritis RheumPublished Retrospective cohort study

Authors' conclusion

JAKi effectively reduced disease activity in D2TRA patients with the same extent as active non-D2TRA patients. Tolerability profiles were comparable, with outcomes largely dependent on the presence of age and/or cardiovascular risk factors.

Study context

Population
RA patients initiating a JAK inhibitors (JAKi) between 2018 and 2022
Exposure
JAKi in difficult-to-treat rheumatoid arthritis (D2TRA) vs active non-D2TRA RA
Outcome
Efficacy (DAS28 and DAS28-CRP reduction from baseline)
Follow-up
First visit (6 months following JAKi initiation)
Methodological detailsreal-world, clinical practice
  • Real-world
  • Clinical practice

Main finding

As reported in the abstract

DAS28 and DAS28-CRP reduction from baseline to FV · 6 months
  • Significant and similar reduction in both groups, before and after adjustment (incl. number and exposure duration to previous targeted therapies)

Observational data: associations, not effects.

Further findings

JAKi discontinuation · mean observation 20±10 months — Patients discontinuing JAKi (overall) · D2TRA vs Non-D2TRA · no significant difference in discontinuation rates
35 (42 %) · P = 0.36

DAS28 and DAS28-CRP between first visit (FV) and LV · last available visit up to December 2022

Remained stable in both groups

Responders and remission or low disease activity · FV and LV

Similar in both groups

JAKi discontinuation · mean observation 20±10 months

Discontinuations due to inefficacy and side effects evenly distributed

Safety

Infections, herpes zoster, MI and VTE

Higher likelihood in patients aged ≥65 years and/or with at least one cardiovascular risk factor
30/39, 77 %
Frequency similar between groups

Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.

Original publication

Real-world assessment of the efficacy and tolerability profile of JAK inhibitors in difficult-to-treat rheumatoid arthritis. Semin Arthritis Rheum. Published 30 October 2024. doi:10.1016/j.semarthrit.2024.152572

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