Lancet Rheumato:类风湿性关节炎患者如何选择流感疫苗?

2019-11-21 MedSci MedSci原创

研究的数据表明,对于血清阳性的类风湿性关节炎的患者,接受高剂量三价灭活流感疫苗更具有安全性和免疫原性

类风湿性关节炎患者的季节性流感和流感相关并发症风险较高,但降低了疫苗的免疫原性。近日研究人员考察了,与标准剂量四价流感疫苗(SD-QIV)相比,类风湿关节炎患者接受高剂量三价灭活疫苗(HD-TIV)的免疫原性和安全性。

本研究是一项治疗分层、随机、双盲试验,比较SD-QIV(每株15μg血凝素[HA])和HD-TIV(每株60μg HA))对类风湿关节炎患者的免疫原性和安全性,患者接受常规或靶向合成疾病修饰的抗风湿药物(DMARDs)或生物DMARDs或其组合治疗类风湿关节炎。入组时,采用常规或靶向合成DMARDs(甲氨蝶呤、羟化氯喹和柳氮磺胺吡啶)作为单一治疗或联合治疗的患者被分为1组;取生物DMARD(抗肿瘤坏死因子或抗白细胞介素6)的患者,使用或不使用甲氨蝶呤、羟化氯喹或柳氮磺胺吡啶(或其组合)被分为第2组;服用Abatacept、托法替尼或利妥昔单抗的患者,使用或不使用甲氨蝶呤、羟化氯喹或柳氮磺胺吡啶(或其组合)被分为第3组。随机接受SD-QIV或HD-TIV疫苗。研究的主要结果是第28天每个菌株的血清转化率(通过血凝抑制试验测定)。

279名患者被随机分配并接种疫苗(140名[50%]接受SD-QIV,139名[50%]接受HD-TIV)。136例接受SD-QIV的患者和138例接受HD-TIV的患者被纳入治疗意向分析。接受HD-TIV治疗的患者比接受SD-QIV治疗的患者更容易发生血清转化:菌株A/H3N2血清转化的比值比为2.99,菌株B/Bris血清转化的比值比为1.95,菌株A/H1N1血清转化的比值比为3.21,菌株A/H1N1血清转化为比值比为2.44。在第1组和第2组的患者中观察到类似的结果;第3组的人数较少,不足以得出结论。两种疫苗组的局部和全身不良事件相似,在第0天到第28天期间,任何一组均未报告严重不良事件,且两种疫苗均未增加类风湿关节炎疾病的活动性。

研究的数据表明,对于血清阳性的类风湿性关节炎的患者,接受高剂量三价灭活流感疫苗更具有安全性和免疫原性。

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    2020-05-16 howi
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    2019-11-23 lmm397
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