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THU0611 Anakinra treatment in patients with familial mediterranean fever: a single-centre experience
  1. B. Ergezen,
  2. S. Ugurlu,
  3. H. Ozdogan
  1. Division of Rheumatology, Department of Internal Medicine,, Cerrahpasa Medical Faculty, University of Istanbul, Istanbul, Turkey


Background Approximately 5 to 10% of FMF patients do not respond to colchicine treatment and/or intolerant to colchicine due to side effects. Several case reports and case series have pointed out the efficacy of IL-1 blockade in colchicine resistant FMF subgroup.

Objectives To review the patients followed in our centre with FMF who received anakinra, an anti-IL-1 receptor antagonist, because of insufficient colchicine response.

Methods FMF patients who were treated with anakinra were retrospectively reviewed with regard to indication, effect on disease activity and acute phase response, adverse events. Patient global assessment was recorded before and after anakinra treatment.

Results There were 48FMF patients with FMF who were treated with anakinra for various indications (colchicine resistant recurrent febrile attacks in 42, colchicine related side effects in 6). The mean age of the group was 31.8±9.2 years. The mean duration of the disease was 12.3±7.9 years. There were various co-existing pathologies among this study group like multiple sclerosis,1 ankylosing spondylitis,1 SLE,1 Behçet’s disease,1 low grade lymphoma,1 psoriasis,2 vasculitis2 and PAN.2 The mean colchicine dose was 2,13±0,51 mg/d. The mean duration of anakinra treatment was 14.47±10.8 months. Twenty seven patients reported no attacks after anakinra treatment whereas 10 patients reported at least 50% decrease in the attack frequency. There are 4 patients who were primarily irresponsive to the therapy, whereas in 5 patients response to therapy ameliorated during the course of the treatment. Mean patient global assessment decreased from 8.58±1.2 to 2.72±3.16 under anakinra treatment (p=0.001).

Four patients had severe allergic reactions (severe disseminated rash in 1 patient and severe injection site reaction in 3 patients) and therefore the drug was stopped. Two patients had infections (one had genital warts and urinary tract infection, the other had sinusitis and folliculitis) and the treatment was terminated. One of our patients reported that her psoriatic lesions got worse on anakinra. Forty one patients reported no adverse events during the treatment.

Conclusions: Anakinra was effective in controlling the symptoms in colchicine-resistant FMF cases. It was also effective in FMF related amyloidosis. The major cause of treatment termination was injection site reactions. Anakinra seems to be an effective alternative in patients who have insufficient response to colchicine.

Disclosure of Interest None declared

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