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Canakinumab investigated for treating familial Mediterranean fever
Ruby Haviv1,2, Philip J Hashkes1,3
1a Pediatric Rheumatology Unit , Shaare Zedek Medical Center , Jerusalem , Israel.
Introduction:
Familial Mediterranean fever (FMF) is the most common hereditary autoinflammatory syndrome. The treatment of choice is colchicine. However, ~40% of patients are only partial responders and 5-10% are non-responders. Advances in the understanding of the role of pyrin in the regulation of interleukin (IL)-1β activation has led to use of anti-IL-1 agents for colchicine-resistant FMF.
Areas Covered:
The authors performed a literature search of anti-IL-1 treatment for FMF, particularly canakinumab, a humanized IL-1β antibody, by searching PubMed/Medline/Scopus since 2001 and proceedings of major rheumatologic conferences since 2011 for unpublished studies.
Expert Opinion:
Many reports of successful treatments with anti-IL-1 agents were published since 2007. In 2011, the first case reports of successful treatment with canakinumab were reported. Successful phase II trials reported in 2014 and 2015 led to a double-blind, randomized, placebo-controlled phase III trial in patients with colchicine-resistant FMF. Significantly more canakinumab treated patients attained the very stringent primary outcome measure and secondary outcomes vs. those treated with placebo. The safety profile was similar to canakinumab trials for other indications. Canakinumab appears to be an excellent alternative for the vast majority of patients with colchicine-resistant FMF, with an adequate safety profile.
Insights
Canakinumab offers an effective treatment for Familial Mediterranean Fever (FMF) resistant to colchicine. This interleukin-1 beta (IL-1β) inhibitor shows a favorable safety profile in clinical trials.
Area of Science:
- Rheumatology
- Immunology
- Genetics
Background:
- Familial Mediterranean Fever (FMF) is the most prevalent hereditary autoinflammatory disease.
- Colchicine is the standard treatment, but approximately 40-50% of patients exhibit partial or non-response.
- Understanding pyrin's role in IL-1β regulation has paved the way for anti-IL-1 therapies.
Purpose of the Study:
- To review the efficacy and safety of anti-interleukin-1 (IL-1) agents, specifically canakinumab, for colchicine-resistant Familial Mediterranean Fever (FMF).
Main Methods:
- A comprehensive literature search was conducted on PubMed/Medline/Scopus (since 2001) and rheumatologic conference proceedings (since 2011).
- The search focused on anti-IL-1 treatments for FMF, with a particular emphasis on canakinumab, a humanized IL-1β antibody.
- Inclusion of unpublished studies from conference proceedings aimed to provide a complete overview.
Main Results:
- Numerous reports since 2007 demonstrated successful outcomes with anti-IL-1 agents.
- Canakinumab treatment showed significant success in case reports (2011) and Phase II trials (2014-2015).
- A Phase III randomized, placebo-controlled trial confirmed significantly superior efficacy of canakinumab over placebo in colchicine-resistant FMF patients.
Conclusions:
- Canakinumab demonstrated a favorable safety profile comparable to its use in other indications.
- The drug proved highly effective in achieving primary and secondary outcome measures in a rigorous trial.
- Canakinumab represents a promising and effective alternative for most patients with colchicine-resistant FMF.
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