确定清除与炎症性肠病临床结果的相关性
Diane R Mould1, Maximillian Kutschera2, Christian Primas2
1Projections Research Inc., Phoenixville, PA 19460, United States. drmould@pri-home.net.
最初的因弗利西马布 (IFX) 清除预测炎症性肠病 (IBD) 的治疗结果. 以早期IFX水平为指导的个性化剂量可以提高疗效并减少抗药抗体的形成.
科学领域:
- 药理动力学和药理动力学
- 胃肠病学 胃肠病学
- 免疫学 免疫学 免疫学
背景情况:
- 低药物度与抗药抗体 (ADA) 的形成有关.
- 高力西马布 (IFX) 清除导致药物水平较低,导致炎症性肠病 (IBD) 患者的治疗失败.
研究的目的:
- 为了确定初始的IFX清除是否可以预测治疗结果.
- 评估贝叶斯模型 (iDose) 导向的IFX剂量对诱导和早期维持治疗期间清除和结果的影响.
主要方法:
- 开发了基于初始IFX清除结果的概率模型,使用220名CT-P13/原始IFX治疗克罗恩病患者的数据.
- 在快速初始清除的患者中进行了与iDose导向的IFX治疗的概念验证同情使用计划.
- 分析了系列血清IFX度,清除,结果概率和治疗结果.
主要成果:
- 最初的IFX清除显著预测了粘膜愈合,C-反应蛋白正常化,复合终点和ADA形成.
- 在iDose导向研究中,初始清除幅度很大,需要调整剂量;清除通常随着时间的推移而减缓,炎症生物标志物得到改善.
- 由于ADA,两名患者停止了治疗;没有报告任何不良反应.
结论:
- 最初的IFX清除是IBD患者治疗疗效和ADA形成的关键预测指标.
- 基于初始清除的概率曲线可以识别患有治疗失败或ADA风险的患者.
- 剂量导向治疗有效地实现了目标IFX度,降低了ADA风险,并可能通过主动治疗药物监测改善IBD治疗结果.
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