在PILOT研究中,利索卡巴丁基马拉莱塞尔的比较疗效与现实世界中的二线化疗方案相对应
Nilanjan Ghosh1, Alison Sehgal2, Fei Fei Liu3
1Atrium Health, Levine Cancer Institute, Charlotte, NC. nilanjan.ghosh@atriumhealth.org.
Haematologica
|October 31, 2024
概括
与常规化疗相比,利索卡巴丁基马拉莱塞尔 (lysocel) 在不符合干细胞移植资格的复发性或耐药性大B细胞淋巴瘤患者中显著改善了应答率和生存结果. 这突显了利索-细胞作为优异的二线治疗选择.
科学领域:
- 血液学 血液学 血液学
- 在瘤学瘤学.
- 免疫治疗是一种免疫疗法.
背景情况:
- 复发性或耐药性大B细胞淋巴瘤 (R/R LBCL) 构成了重大的临床挑战,特别是对于无法接受自身干细胞移植的患者.
- 传统的二线 (2L) 化疗方案在这种患者群体中具有有限的疗效.
- 利索卡巴丁基马拉莱塞尔 (liso-cel) 是一种CAR T细胞疗法,具有作为替代治疗策略的潜力.
研究的目的:
- 为了比较 lisocabtagene maraleucel (liso-cel) 与常规二线化疗在不用于血造干细胞移植 (HSCT) 的 R/R LBCL 患者的疗效.
- 评估关键的疗效终点,包括总体反应率,完全反应率,反应持续时间,无事件存活率,无进展存活率和总体存活率.
主要方法:
- 一项开放的II期PILOT研究评估了在不符合HSCT条件的R/RLBCL患者中使用 liso-cel (N=61).
- 为了进行比较,使用了一个接受常规2L化疗并符合PILOT资格标准的真实世界队列 (N=273).
- 削减稳定反向治疗权重概率 (IPTW) 用于平衡利索细胞和常规化疗队列之间的基线特征.
主要成果:
- 与传统化疗相比,利索细胞的整体响应率 (79.6%与50.5%) 和完整响应率 (53.1%与24.0%) 显著提高.
- 用利索细胞治疗的患者经历了更长的响应的中位持续时间 (12.1 vs. 4.3 个月),无事件生存时间 (7.0 vs. 2.8 个月),无进展生存时间 (7.0 vs. 2.9 个月) 和整体生存时间 (未达到 vs. 12.6 个月).
- 统计分析在各种疗效指标中始终偏好 liso-cel,增强了它的有效性.
结论:
- 利索卡巴丁基马拉利乌塞尔 (liso-cel) 是一种高效的二线疗法,适用于没有HSCT候选的R/RLBCL患者.
- 与传统化疗方案相比,Liso-cel在这个特定的患者亚组中提供了优越的疗效结果.
- 这些发现支持使用 liso-cel作为R/R LBCL患者的首选治疗选择,这些患者不符合干细胞移植的条件.
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