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  • Title: Successful management of colchicine resistant familial Mediterranean fever patients with a standardized canakinumab treatment protocol: a case series and literature review.
    Author: Eren Akarcan S, Dogantan S, Edeer Karaca N, Aksu G, Kutukculer N.
    Journal: Rheumatol Int; 2020 Jan; 40(1):161-168. PubMed ID: 31273456.
    Abstract:
    Familial Mediterranean fever (FMF) is the most common monogenic auto-inflammatory disease characterized by recurrent attacks of fever and serositis. Although colchicine is the first line treatment in FMF, 5-10% of patients do not respond to colchicine. Canakinumab, an anti-IL-1β monoclonal antibody, has been reported to be effective and safe in colchicine-resistant FMF patients, but the adequate duration and interval of treatment is still a matter of debate. Aim of this study was to evaluate the success of the standardized treatment protocol for canakinumab applied in our Pediatric Rheumatology Department in colchicine-resistant FMF cases with a review of the literature. Nine patients included in this study had indications for canakinumab use as colchicine resistance and recurrent corticosteroid need for pleural/pericardial effusions. Canakinumab was administered monthly for 6 months (initial treatment), bimonthly for 6 months (maintenance treatment), then treatment was discontinued. For the patients who developed a new attack after one-year treatment period, canakinumab was readministered with 3-month intervals (continuation treatment). The mean follow-up time beginning from the first canakinumab injection was 24.3 ± 10.2 (6-33) months. None of the patients had an attack during the first-year treatment. Four of the patients developed an attack 9.0 ± 2.9 (6-12) months after discontinuation of treatment and switched to the continuation treatment period, with no more attacks. We suggest that this standard protocol may be used successfully in colchicine-resistant FMF patients.
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