与化疗相比,免疫疗法对转移性非小细胞肺癌的长期现实生存率:一种倾向性得分匹配分析
Kun Kim1,2, Michael Sweeting3, Linus Jönsson1
1Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden.
Thoracic cancer
|January 14, 2025
概括
免疫疗法 (IO) 在现实环境中改善了转移性非小细胞肺癌 (mNSCLC) 患者的生存率. 虽然IO提供了生存益处,但效果大小小于临床试验,长期结果仍然不确定.
科学领域:
- 在瘤学瘤学.
- 临床研究 临床研究
- 药物经济学 药物经济学
背景情况:
- 免疫疗法 (IO) 在转移性非小细胞肺癌 (mNSCLC) 的长期实际有效性需要进一步调查.
- 现有的临床试验可能不能完全代表不同患者群体或在常规护理中遇到的治疗变异.
- 了解现实世界的治疗模式和结果对于优化mNSCLC管理至关重要.
研究的目的:
- 在mNSCLC中引入IO后描述治疗模式.
- 为了估计IO与标准护理的实际治疗效应.
- 评估IO对大量现实世界mNSCLC患者队列的影响.
主要方法:
- 从Flatiron Health获得的常规护理数据的回顾性分析.
- 包括接受一线 (1L) 或二线 (2L) IO或化疗的患者.
- 使用考克斯回归和灵活的参数模型,估计现实世界的整体存活率 (rwOS) 和下一次治疗的时间 (rwTTNT).
主要成果:
- 与基于的双重化疗 (PBDC) 相比,免疫疗法 (IO) 在1L和2L环境中显示出更好的生存率.
- 对IO的调整危险比 (HR) 为0.887在1L和0.775在2L,表明生存益处.
- 平均rwOS效益为3.2个月 (1L) 和2.7个月 (2L),rwTTNT显著延迟,IO效应随着时间的推移而持续.
结论:
- 免疫疗法 (IO) 在现实临床实践中为mNSCLC患者提供了生存优势.
- 在现实数据中观察到的IO的生存益处不如临床试验中报告的益处明显.
- 长期生存结果和IO对mNSCLC影响的确切程度要求继续监测和调查.
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