Ann Rheum Dis:注意啦!患者特征影响RA患者bDMARD的选择

2018-05-25 门鹏 环球医学网

同一种疾病,为什么你会用这个药,而我会用那个药,其中涉及到的原因太多,其中有一点不容忽视,那就是患者特征。2018年5月,发表在《Ann Rheum Dis》的一项研究调查了患者特征是否在临床实践中影响类风湿关节炎(RA)患者生物类抗风湿药物(bDMARDs)的选择,并量化这对治疗结局的直接比较偏倚到何种程度。

同一种疾病,为什么你会用这个药,而我会用那个药,其中涉及到的原因太多,其中有一点不容忽视,那就是患者特征。2018年5月,发表在《Ann Rheum Dis》的一项研究调查了患者特征是否在临床实践中影响类风湿关节炎(RA)患者生物类抗风湿药物(bDMARDs)的选择,并量化这对治疗结局的直接比较偏倚到何种程度。

目的:随着bDMARDs广泛用于RA的治疗,并且指导患者选择的证据有限,因此研究人员希望评估患者特征是否在临床实践中影响bDMARD的选择,并量化这对治疗结局的直接比较偏倚到何种程度。

方法:所有瑞典2011~2015年初始肿瘤坏死因子抑制剂(TNFi)、利妥昔单抗、阿柏西普或塔西单抗作为他们首个bDMARD(6481例)或从TNFi转换后作为他们首个bDMARD(2829例)的RA患者的基于注册的研究。组间人口统计学、临床特征和用药史的差异在多变量回归模型中评估。通过2006~2010年开始bDMARD的RA患者观察到的结局进行的回归模型,计算安全性和治疗结局的预测差异作为患者特征的函数。

结果:初始治疗选择非TNFi的患者比选择TNFi的患者年龄更大,并具有较低的社会经济水平、较高的疾病活跃度和较高的合并症负担,包括恶性肿瘤、严重感染糖尿病。这种差异在初始使用bDMARD时最具显着性。这些因素与治疗结局相关,独立于治疗,导致非TNFi生物药显示出明显较差的安全性和有效性,特别是利妥昔单抗。TNFi组年龄/性别分布的标准化可大幅减少该差异。

结论:接受非TNFi bDMARD治疗的老年和健康状况较差的RA患者具有显着的挑战性,尤其是初始使用bDMARD时。该挑战性是否代表最大的风险/获益比是未知的。除非考虑了年龄、用药史和疾病活跃度的差异,否则将对现有的bDMARD安全性和有效性的非随机比较性研究造成大量混杂。

原始出处:
Frisell T, Baecklund E, Bengtsson K, et al.Patient characteristics influence the choice of biological drug in RA, and will make non-TNFi biologics appear more harmful than TNFi biologics.Ann Rheum Dis. 2018 May;77(5):650-657. doi: 10.1136/annrheumdis-2017-212395. Epub 2017 Dec 13.

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    2018-05-27 whlxd
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