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Rescue treatment with tocilizumab for Takayasu arteritis resistant to TNF-α blockers


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CER4942
2012 Vol.30, N°1 ,Suppl.70
PI 0090, PF 0093
Case Reports

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PMID: 22410150 [PubMed]

Received: 27/07/2011
Accepted : 26/10/2011
In Press: 11/05/2012
Published: 11/05/2012

Abstract

Anti-TNF-α therapy has successfully been used to treat Takayasu arteritis (TA) refractory to conventional immunosuppressive treatment. However, some patients fail to respond even to TNF-α blockers. Interleukin-6 (IL-6) is a key player in the pathogenesis of TA. Preliminary data also suggest efficacy of the IL-6 receptor inhibitor tocilizumab in patients with large-vessel vasculitis. We report a patient with TA refractory to multiple conventional immunosuppressive agents and two TNF-α blockers successfully treated with monthly tocilizumab infusions (8 mg/kg body weight) for 6 consecutive months. Clinical indices of disease activity, inflammatory markers, and 18Ffluorodeoxyglucose positron emission/computerised tomography findings normalised, while the prednisone dosage could be tapered. Serum IL-6 and soluble IL-6 receptor (sIL-6R) levels raised during tocilizumab treatment consistent with the mode of action of tocilizumab. Tocilizumab holds promise for patients with refractory TA. Larger studies are required to confirm our findings.

Rheumatology Article