期刊
SEMINARS IN ARTHRITIS AND RHEUMATISM
卷 48, 期 3, 页码 523-528出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.semarthrit.2018.04.004
关键词
Ustekinumab; Giant cell arteritis; Vasculitis
类别
Objectives: Giant cell arteritis (GCA) is the most common form of systemic vasculitis. Glucocorticoids are an effective treatment but have significant adverse events and relapses are common. Interleukins 12 (IL-12) and 23 (IL-23) stimulate T(H)1 and T(H)17 responses and are implicated in the pathogenesis of GCA. The aim of this study was to evaluate the efficacy and safety of IL-12/23 blockade with ustekinumab in GCA. Methods: We performed a prospective open label study of ustekinumab in patients with refractory GCA. Ustekinumab 90 mg was administered subcutaneously every 12 weeks. The primary outcome was the comparison of the median glucocorticoid dose prior to commencement of ustekinumab and at 52 weeks. Secondary outcomes included physician assessed relapse, acute phase reactants, and imaging assessment of large vessel vasculitis (LVV). Results: Twenty-five GCA patients received ustekinumab. All patients had failed to taper glucocorticoids despite addition of a median of 1 other immunosuppressive agent. At week 52, median (IQR) daily prednisolone dose decreased from 20 (15, 25) mg to 5 (2.5, 5) mg (p < 0.001). Six patients (24%) stopped prednisolone completely. No patient experienced a relapse of GCA while receiving ustekinumab. Median (IQR) CRP decreased significantly from 12.9 (5.3, 42) to 6 (2.6, 12.5) mg/L (p = 0.006). CT angiography demonstrated improvement of LW in all patients studied. No unexpected adverse events were observed with ustekinumab. Conclusions: Ustekinumab may be effective for the treatment of GCA and warrants further assessment in a randomized controlled trial. (C) 2018 Elsevier Inc. All rights reserved.
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