The human anti-IL-1β monoclonal antibody ACZ885 is effective in joint inflammation models in mice and in a proof-of-concept study in patients with rheumatoid arthritis
2008

Effectiveness of ACZ885 in Treating Joint Inflammation in Rheumatoid Arthritis

Sample size: 53 publication Evidence: moderate

Author Information

Author(s): Alten Rieke, Gram Hermann, Joosten Leo A, Berg Wim B van den, Sieper Joachim, Wassenberg Siegfrid, Burmester Gerd, van Riel Piet, Diaz-Lorente Maria, Bruin Gerardus JM, Woodworth Thasia G, Rordorf Christiane, Batard Yannik, Wright Andrew M, Jung Thomas

Primary Institution: Schlosspark-Klinik Teaching Hospital Charité University Medicine Berlin

Hypothesis

Can the human anti-IL-1β monoclonal antibody ACZ885 effectively reduce joint inflammation in rheumatoid arthritis patients?

Conclusion

ACZ885 showed clinical improvement in some patients with rheumatoid arthritis, indicating its potential effectiveness.

Supporting Evidence

  • ACZ885 can completely suppress IL-1β-mediated joint inflammation in mice.
  • In a proof-of-concept study, 32 patients were enrolled and treated with ACZ885.
  • Clinical improvement was observed in the 10 mg/kg treatment group at week 6.
  • A statistically significant reduction in disease activity score was noted after 4 weeks in the 10 mg/kg group.
  • C-reactive protein levels decreased in patients treated with ACZ885 within 1 week.

Takeaway

ACZ885 is a new medicine that helps some people with arthritis feel better by reducing inflammation in their joints.

Methodology

The study involved a randomized, double-blind, placebo-controlled, dose escalation design with patients receiving different doses of ACZ885.

Potential Biases

Potential bias in patient selection and assessment methods.

Limitations

The small sample size limits the ability to draw definitive conclusions about efficacy and safety.

Participant Demographics

Patients with active rheumatoid arthritis, mean age around 61 years, with a history of treatment with methotrexate.

Statistical Information

P-Value

0.085

Statistical Significance

p=0.085

Digital Object Identifier (DOI)

10.1186/ar2438

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