Risk of serious infections during rituximab, abatacept and anakinra treatments for rheumatoid arthritis: meta-analyses of randomised placebo-controlled trials
2009

Risk of Serious Infections During Treatments for Rheumatoid Arthritis

Sample size: 4767 publication Evidence: moderate

Author Information

Author(s): Salliot C, Dougados M, Gossec L

Primary Institution: René-Descartes University, Medicine Faculty; AP-HP, Cochin Hospital, Rheumatology B Department, Paris, France

Hypothesis

Do biological agents like rituximab, abatacept, and anakinra increase the risk of serious infections in rheumatoid arthritis patients?

Conclusion

The study found no significant increase in the risk of serious infections with rituximab or abatacept, but high doses of anakinra may increase this risk.

Supporting Evidence

  • High doses of anakinra (≥100 mg daily) were associated with an increased risk of serious infections.
  • Rituximab and abatacept did not show a statistically significant increased risk of serious infections.
  • The overall pooled odds ratios for serious infections were not significantly increased for rituximab and abatacept.

Takeaway

This study looked at whether certain medications for arthritis make people more likely to get really sick. It found that two of the medicines are safe, but one might cause problems if taken in high doses.

Methodology

A systematic review and meta-analysis of randomized controlled trials was conducted to compare serious infection rates between biological agents and placebo.

Potential Biases

Potential bias in patient selection and exclusion of patients with comorbidities may influence results.

Limitations

The study only included published data, which may introduce publication bias, and the trials may not represent all patients with rheumatoid arthritis.

Participant Demographics

Approximately 81% of participants were women, with a mean age between 46 and 57 years.

Statistical Information

Confidence Interval

95% CI: 1.31 to 70.91

Statistical Significance

p>0.05

Digital Object Identifier (DOI)

10.1136/ard.2007.083188

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