Rheumatoid arthritis

Safety of the JAK and TNF inhibitors in rheumatoid arthritis: real world data from the Hong Kong Biologics Registry

Rheumatology (Oxford)Published Retrospective cohort study

Main finding · MACE, incidence per 100 patient-yearsResult — go to the resultAdjusted hazard ratio 1.36 95% CI 0.62–2.96

Authors' conclusion

In a real-life setting, there is no increase in MACEs or cancers in users of JAKis compared with TNFis.

Study context

Population
RA patients who had ever used Janus kinase (JAKis) or TNFis, Hong Kong Biologics Registry 2008–2021 (83.7% women, age 53.8 [12.5] years)courses in 1732 RA patients
Participants
2,471 patients
Exposure
JAKi vs TNFi in RA
Outcome
Incidence of MACE, cancer and infections
Methodological detailsregistry-based, adjusted for confounding factors
  • Registry-based
  • Adjusted for confounding factors

Main finding

MACE, incidence per 100 patient-years

Adjusted hazard ratio

1.36

95% CI 0.62–2.96

P = 0.44

Events by group

JAKivs TNFi
aHR 1.36 (95% CI 0.62–2.96); P = 0.44

As reported in the abstract

Observational data: associations, not effects.

Further findings

Cancer, incidence per 100 patient-years

P = 0.25

OutcomeaHR (95% CI)P value
Cancer, incidence per 100 patient-years0.87 (0.39–1.95)P = 0.74

Safety

Infections, rate per 100 patient-years

P = 0.02

Herpes zoster, rate per 100 patient-years

P < 0.001

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

Original publication

Safety of the JAK and TNF inhibitors in rheumatoid arthritis: real world data from the Hong Kong Biologics Registry. Rheumatology (Oxford). Published 2 May 2023. doi:10.1093/rheumatology/kead198

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