Ann Rheum Dis:早期中轴型脊柱关节炎培化舍珠单抗减量后临床缓解的维持

2020-05-21 xiangting MedSci原创

在48周达到持续缓解的早期axSpA患者可以降低CZP的维持剂量;但是,由于CZP停药后急性发作的风险高,不应完全停止治疗。

中轴型脊柱关节炎(axSpA)患者维持临床缓解的最佳策略尚不确定。C-OPTIMISE比较了早期axSpA患者达到持续缓解后,肿瘤坏死因子抑制剂培化舍珠单抗(CZP)保持原剂量、减量与停药的结局。

C-OPTIMISE是一个分为两部分的多中心3b期研究,研究对象为早期活动性axSpA(放射学或非放射学)成人患者。在48周开放标签诱导期间,患者每2周(Q2W)接受200mg CZP。第48周,持续缓解患者(第32/36和48周时强直性脊柱炎疾病活动评分(ASDAS)<1.3)被随机分为双盲CZP 200mg Q2W(维持剂量组)、每4周CZP 200mg(Q4W;减量组)或安慰剂(停药组),再持续48周。主要终点是双盲期间保持无急性发作(急性发作:连续两次就诊时ASDAS≥2.1或任一时间点ASDAS>3.5)。

第48周时,43.9%的患者(323/736)达到了持续缓解,其中313例患者被随机分配到CZP维持剂量组、CZP减量组或安慰剂组。第48周至96周期间,维持剂量组、减量组或安慰剂组分别有83.7%(87/104)、79.0%(83/105)和20.2%(21/104)的患者没有急性发作(两个CZP组 vs安慰剂组,p均<0.001)。放射学和非放射学axSpA患者的反应相当。

在48周达到持续缓解的早期axSpA患者可以降低CZP的维持剂量;但是,由于CZP停药后急性发作的风险高,不应完全停止治疗。

原始出处:

Robert BM Landewé. Maintenance of clinical remission in early axial spondyloarthritis following certolizumab pegol dose reduction. Ann Rheum Dis. May 2020.

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    2020-05-23 lmm397
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