自主移植与CAR-T疗法在DLBCL患者中,在完全缓解期间接受治疗
Mazyar Shadman1,2, Kwang W Ahn3,4, Manmeet Kaur3,4
1Clinical Research Division, Fred Hutchinson Cancer Center, Seattle, WA, USA.
Blood cancer journal
|July 8, 2024
概括
自主造血细胞移植 (auto-HCT) 在复发性扩散性大B细胞淋巴瘤 (DLBCL) 完全缓解的患者中,与CAR-T疗法相比,显示出更好的结果. 自动HCT提供了更好的无进展生存率和更低的复发率,支持在特定情况下考虑它.
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.
- 移植医学 移植医学
背景情况:
- 在初始治疗后复发的扩散性大B细胞淋巴瘤 (DLBCL) 在实现长期缓解方面具有挑战性.
- 自主造血细胞移植 (auto-HCT) 和仿真抗原受体T细胞 (CAR-T) 疗法都是复发DLBCL的确立治疗选择.
- 在实现完全缓解 (CR) 的患者中,自动HCT与CAR-T的疗效的直接比较数据有限.
研究的目的:
- 为了比较自动HCT与CAR-T治疗在复发DLBCL患者中实现完全缓解 (CR) 的疗效.
- 评估两种治疗方式之间的无进展生存 (PFS),复发率,非复发死亡率 (NRM) 和总生存率 (OS) 的差异.
- 为了确定哪种治疗方式在这个特定的患者群体中提供了优越的临床结果.
主要方法:
- 使用国际血液和骨髓移植研究中心 (CIBMTR) 登记册进行的回顾性观察研究.
- 在CR中接受自动HCT (2015-2021) 与商业CAR-T治疗 (2018-2021) 的患者的比较.
- 纳入标准:年龄18-75岁,DLBCL诊断,在CR中接受了自动HCT或CAR-T. 排除:针对自动HCT的特定先前治疗线和针对CAR-T的先前自动HCT.
- 分析的终点包括PFS,复发的累积发病率,NRM和OS.
主要成果:
- 在单变量分析中,与CAR-T相比,自动HCT与显著更高的2年PFS (66.2%与47.8%相比;p<0.001) 和较低的2年累积复发发病率 (27.8%与48%相比;p<0.001) 相关.
- 自动HCT也显示出优异的2年生存率 (78.9%对65.6%;p=0.037).
- 多变量分析证实,与CAR-T相比,自动HCT与优异的PFS (HR 1.83; p=0.0011) 和较低的复发发病率 (HR 2.18; p<0.0001) 相联系.
结论:
- 在患有复发DLBCL并达到CR的患者中,与CAR-T疗法相比,自身造血细胞移植 (auto-HCT) 与改善的临床结果有关.
- 数据表明,自动HCT提供了更好的长期疾病控制,由更高的PFS和更低的复发率证明.
- 这些发现支持考虑自动HCT作为在CR中复发DLBCL的选择患者的首选治疗选择.
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