个性化树突细胞疫苗在多模式个性化组合治疗中改善了高风险儿科癌症患者的生存率
Michal Kyr1,2, Peter Mudry1, Kristyna Polaskova1
1Department of Pediatric Oncology, University Hospital Brno and Faculty of Medicine, Masaryk University, Brno, Czech Republic.
International journal of cancer
|July 3, 2024
概括
个性化树突细胞 (DC) 疫苗在治疗高风险儿童癌症方面表现有前途. 这种多式疗法改善了生存率和疾病控制,特别是与其他治疗相结合时.
科学领域:
- 儿科瘤学 儿科瘤学
- 免疫治疗是一种免疫疗法.
- 癌症 疫苗 癌症 疫苗
背景情况:
- 免疫疗法为高风险癌症提供了希望,但对儿童的证据有限.
- 单剂免疫疗法方法在儿科患者群体中表现出有限的疗效.
- 儿科癌症的罕见性使临床试验设计和证据生成复杂化.
研究的目的:
- 为了评估个性化树突细胞 (DC) 疫苗作为多模式治疗的一部分的有效性.
- 在现实环境中对患有复发或高风险固体瘤的儿童进行N-of-1方法的评估.
- 分析接受DC疫苗接种的儿科癌症患者的生存结果和治疗协同作用.
主要方法:
- 利用N-of-1方法对儿科患者评估个性化树突细胞 (DC) 疫苗.
- 在48名复发/高风险固体瘤患者的4年随访期间收集的数据.
- 进行了比较生存分析,并评估了与其他疗法的协同效应.
主要成果:
- 该队列的整体存活率为7.03年.
- 在接种疫苗后,53.8%的患者实现了疾病控制.
- 接种DC疫苗显示,在2年以后的生存期和疾病控制的患者中,有显著的生存益处 (HR=0.53,P=.048;HR=0.16,P=.00053).
- 在DC疫苗和免疫检查点抑制剂 (ICI) 之间观察到强大的协同作用 (HR=0.40,P=.0047).
- 随着计量学循环胺和/或温布拉斯 (HR=0.60,P=.225),人们注意到一种趋向于协同效应的趋势.
结论:
- 个性化DC疫苗是儿童固体瘤多模式,个性化治疗的有效组成部分.
- DC疫苗在较不晚或缓慢的疾病中表现出有效性,具有良好的安全性.
- DC疫苗接种与计量化学疗法和免疫调节剂,特别是ICI协同作用.
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