UEGW 2020:更换其他类型的生物制剂或其他抗TNF抗体,是应对抗药性抗体更有效的策略

2020-10-16 MedSci原创 MedSci原创

更换产生抗性患者的生物制剂,无论是更换成其他类别的生物制剂还是另一种抗TNF抑制剂,都可以在1年内最显著地缓解临床症状。

在2020年欧洲消化疾病周(UEGW)线上会议上,一项研究显示在炎症性肠病(IBD)患者中,抗肿瘤坏死因子(TNF)抗体治疗后产生抗药性抗体(ADA)后,转而使用另一种TNF抑制剂或使用另一种类型的生物制剂,是帮助患者缓解疾病的最有效方法。

Figure 1 from Development of Pharmacokinetic ( PK ) Assays for Detecting  Biosimilars Targeting TNFα Using AlphaLISA | Semantic Scholar

图片来源:https://www.semanticscholar.org/paper/Development-of-Pharmacokinetic-(-PK-)-Assays-for-Carlstrom-Wilchek/ab1a0d7567b370f2adeb610896830b4c36785328

荷兰阿姆斯特丹大学医学中心医学博士Suzanne Anjie表示,尽管有多种治疗方法可以限制ADA的出现,但尚未对这些方法改进后的疗效进行比较。

研究人员分析了2004-2019年间在其医院接受治疗的210例IBD患者数据。所有患者对英夫利昔单抗或阿达木单抗的ADA水平均高于12 AU/ml。该研究中大多数(n = 172)患者患有克罗恩氏病,且大多数(n = 115)患者使用英夫利昔单抗治疗。

图表显示,针对ADA采取了8种不同的策略:

(1)保持相同剂量的相同抗TNF药物(20%);

(2)继续服用同款抗TNF药物但剂量增加(20%);

(3)改用其他抗TNF药物(20%);

(4)开始或优化免疫调节剂治疗(11%);

(5)优化免疫调节剂疗法,并服用更高剂量的同款TNF抑制剂(6%);

(6)完全停止用生物制剂治疗(14%);

(7)改用另一类生物制剂(5%);

(8)接受手术。

结果显示,更换患者的生物制剂,无论是更换成其他类别的生物制剂还是另一种抗TNF抑制剂,都可以在1年内最显著地缓解临床症状。

原始出处:

https://www.firstwordpharma.com/node/1765576?tsid=4

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    2021-08-29 mfx808
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    2020-10-18 songbq

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