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Impact of the HLA-DRB1 shared epitope on responses to treatment with tofacitinib or abatacept in patients with rheumatoid arthritis
Arthritis Research & Therapy ( IF 4.9 ) Pub Date : 2021-08-31 , DOI: 10.1186/s13075-021-02612-w
Wataru Hirose 1 , Masayoshi Harigai 2 , Koichi Amano 3 , Toshihiko Hidaka 4 , Kenji Itoh 5 , Kazutoshi Aoki 6 , Masahiro Nakashima 7 , Hayato Nagasawa 8 , Yukiko Komano 9 , Toshihiro Nanki 10 ,
Affiliation  

The aim of this study was to compare the clinical effectiveness of tofacitinib and abatacept and clarify the impact of the HLA-DRB1 shared epitope (SE) on responses to these treatments in patients with rheumatoid arthritis (RA). After adjustments by propensity score matching, 70 out of 161 patients receiving tofacitinib and 70 out of 131 receiving abatacept were extracted. The clinical effectiveness of both drugs over 24 weeks and the impact of the copy numbers of SE on effectiveness outcomes were investigated. The percentage of patients in remission in the 28-joint count disease activity score using the erythrocyte sedimentation rate (DAS28-ESR) did not significantly differ between patients receiving tofacitinib and abatacept at week 24 (32% vs 37%, p = 0.359). The mean change at week 4 in DAS28-ESR from baseline was significantly greater in patients receiving tofacitinib than in those receiving abatacept (− 1.516 vs − 0.827, p = 0.0003). The percentage of patients in remission at week 4 was 30% with tofacitinib and 15% with abatacept (p = 0.016). When patients were stratified by the copy numbers of SE alleles, differences in these numbers did not affect DAS28-ESR scores of patients receiving tofacitinib. However, among patients receiving abatacept, DAS28-ESR scores were significantly lower in patients carrying 2 copies of SE alleles than in those carrying 0 copies at each time point throughout the 24-week period. Furthermore, the percentage of patients in remission with DAS28-ESR at week 24 was not affected by the copy numbers of SE alleles in patients receiving tofacitinib (p = 0.947), whereas it significantly increased as the copy numbers became higher in patients receiving abatacept (p = 0.00309). Multivariable logistic regression analyses showed a correlation between the presence of SE and DAS28-ESR remission in patients receiving abatacept (OR = 25.881, 95% CI = 3.140–213.351, p = 0.0025), but not in those receiving tofacitinib (OR = 1.473, 95% CI = 0.291–7.446, p = 0.639). Although the clinical effectiveness of tofacitinib and abatacept was similar at week 24, tofacitinib was superior to abatacept for changes from baseline in DAS28-ESR and the achievement of remission at week 4. SE positivity was associated with the achievement of DAS28-ESR remission by week 24 in patients receiving abatacept, but not in those receiving tofacitinib.

中文翻译:

HLA-DRB1 共享表位对类风湿性关节炎患者托法替尼或阿巴西普治疗反应的影响

本研究的目的是比较托法替尼和阿巴西普的临床有效性,并阐明 HLA-DRB1 共享表位 (SE) 对类风湿性关节炎 (RA) 患者对这些治疗反应的影响。通过倾向评分匹配调整后,提取了接受托法替尼的 161 名患者中的 70 名和接受阿巴西普的 131 名患者中的 70 名。研究了两种药物在 24 周内的临床有效性以及 SE 拷贝数对有效性结果的影响。使用红细胞沉降率 (DAS28-ESR) 进行的 28 关节计数疾病活动评分中缓解患者的百分比在第 24 周接受托法替尼和阿巴西普的患者之间没有显着差异(32% 对 37%,p = 0.359)。在第 4 周,接受托法替尼的患者的 DAS28-ESR 从基线的平均变化显着大于接受阿巴西普的患者(- 1.516 对 - 0.827,p = 0.0003)。第 4 周缓解的患者百分比使用托法替尼为 30%,使用阿巴西普为 15% (p = 0.016)。当根据 SE 等位基因的拷贝数对患者进行分层时,这些数量的差异不影响接受托法替尼的患者的 DAS28-ESR 评分。然而,在接受阿巴西普治疗的患者中,在整个 24 周期间的每个时间点,携带 2 个 SE 等位基因拷贝的患者的 DAS28-ESR 评分显着低于携带 0 个拷贝的患者。此外,第 24 周 DAS28-ESR 缓解的患者百分比不受托法替尼治疗患者 SE 等位基因拷贝数的影响(p = 0.947),而随着接受阿巴西普的患者的拷贝数变高,它显着增加(p = 0.00309)。多变量逻辑回归分析显示,接受阿巴西普的患者中 SE 的存在与 DAS28-ESR 缓解之间存在相关性(OR = 25.881,95% CI = 3.140–213.351,p = 0.0025),但在接受托法替尼的患者中不存在相关性(OR = 1.473, 95% CI = 0.291–7.446,p = 0.639)。尽管托法替尼和阿巴西普在第 24 周的临床有效性相似,但在 DAS28-ESR 的基线变化和第 4 周达到缓解方面,托法替尼优于阿巴西普。 SE 阳性与每周达到 DAS28-ESR 缓解相关24 在接受阿巴西普的患者中,但在接受托法替尼的患者中没有。00309)。多变量逻辑回归分析显示,接受阿巴西普的患者中 SE 的存在与 DAS28-ESR 缓解之间存在相关性(OR = 25.881,95% CI = 3.140–213.351,p = 0.0025),但在接受托法替尼的患者中不存在相关性(OR = 1.473, 95% CI = 0.291–7.446,p = 0.639)。尽管托法替尼和阿巴西普在第 24 周的临床有效性相似,但在 DAS28-ESR 的基线变化和第 4 周达到缓解方面,托法替尼优于阿巴西普。 SE 阳性与每周达到 DAS28-ESR 缓解相关24 在接受阿巴西普的患者中,但在接受托法替尼的患者中没有。00309)。多变量逻辑回归分析显示,接受阿巴西普的患者中 SE 的存在与 DAS28-ESR 缓解之间存在相关性(OR = 25.881,95% CI = 3.140–213.351,p = 0.0025),但在接受托法替尼的患者中不存在相关性(OR = 1.473, 95% CI = 0.291–7.446,p = 0.639)。尽管托法替尼和阿巴西普在第 24 周的临床有效性相似,但在 DAS28-ESR 的基线变化和第 4 周达到缓解方面,托法替尼优于阿巴西普。 SE 阳性与每周达到 DAS28-ESR 缓解相关24 在接受阿巴西普的患者中,但在接受托法替尼的患者中没有。0025),但在接受托法替尼的患者中没有(OR = 1.473,95% CI = 0.291–7.446,p = 0.639)。尽管托法替尼和阿巴西普在第 24 周的临床有效性相似,但在 DAS28-ESR 的基线变化和第 4 周达到缓解方面,托法替尼优于阿巴西普。 SE 阳性与每周达到 DAS28-ESR 缓解相关24 在接受阿巴西普的患者中,但在接受托法替尼的患者中没有。0025),但在接受托法替尼的患者中没有(OR = 1.473,95% CI = 0.291–7.446,p = 0.639)。尽管托法替尼和阿巴西普在第 24 周的临床有效性相似,但在 DAS28-ESR 的基线变化和第 4 周达到缓解方面,托法替尼优于阿巴西普。 SE 阳性与每周达到 DAS28-ESR 缓解相关24 在接受阿巴西普的患者中,但在接受托法替尼的患者中没有。
更新日期:2021-08-31
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