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Arthritis Res Ther:血清塞托珠单抗培高20-40mg/L与炎症性关节疾病的治疗反应相关

2020-10-02 MedSci原创 MedSci原创

本研究旨在确定塞尔托珠单抗培高药物水平的治疗目标区间,并考察炎症性关节疾病患者抗药物抗体的影响,研究结果已在线发表于Arthritis Res Ther。

本研究旨在确定塞尔托珠单抗培高药物水平的治疗目标区间,并考察炎症性关节疾病患者抗药物抗体的影响,研究结果已在线发表于Arthritis Res Ther。

在NOR-DMARD研究中,对268例炎症性关节疾病患者(116例轴性脊柱关节炎、91例类风湿关节炎和61例银屑病关节炎)塞尔托珠单抗培高治疗3个月,之后收集其血清样本,测定了塞尔托珠单抗培高和抗药物抗体水平。治疗反应由强直性脊柱关节炎疾病活动评分临床重要改善、类风湿关节炎欧洲抗风湿联盟良好/中等反应、PsA的28关节疾病活动评分改善≥0.6来定义。采用内部自动检测分析血清药物水平和抗药物抗体。

 

结果显示,塞尔托珠单抗培高的血清水平在个体间有很大差异(中位数(IQR)32.9(17.3-43.9)mg/L)。对于总的炎症性关节疾病人群来说,塞尔托珠单抗培高水平≥20 mg/L与治疗反应相关,治疗3个月和6个月后的OR分别为2.3(95% CI 1.2-4.5,P = 0.01)和OR 1.9(95% CI 1.0-3.5,P = 0.05)。对于个体诊断,这种关联在轴性脊柱关节炎中最为一致,分别为OR 3.4(95% CI 1.0-11.1,P<0.05)和OR 3.3(95% CI 1.0-10.8,P<0.05)。塞尔托珠单抗培高水平>40 mg/L与任何诊断的额外获益无关。6.1%(19/310)的样本中检测到抗药物抗体,并与塞尔托珠单抗培高的低水平相关(P < 0.01)。

综上所述,该研究结果表明,血清塞托珠单抗培高20-40mg/L与炎症性关节疾病的治疗反应相关。该研究是首次在轴性脊柱关节炎和银屑病关节炎患者中显示出这种关联。结果表明,在炎症性关节疾病患者中,治疗药物监测可能会对塞托珠单抗培高的治疗有益。

 

原始出处:

 

Johanna Elin GehinGuro Løvik Goll, et al., Associations between certolizumab pegol serum levels, anti-drug antibodies and treatment response in patients with inflammatory joint diseases: data from the NOR-DMARD study. Arthritis Res Ther. 2019 Nov 29;21(1):256. doi: 10.1186/s13075-019-2009-5.

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