降级诱导疗法和基于蒂奥特帕/布苏尔芬的自主干细胞移植用于初级中枢神经系统淋巴瘤
Robert Puckrin1, Colin Stewart1, Carolyn Owen1
1Tom Baker Cancer Centre and University of Calgary, Calgary, Canada.
Clinical lymphoma, myeloma & leukemia
|December 14, 2024
概括
缩短的诱导疗法使更多的中枢神经系统原发性淋巴瘤患者能够接受自身干细胞移植 (ASCT),改善了有毒性降低的生存结果.
科学领域:
- 在瘤学瘤学.
- 血液学 血液学 血液学
- 临床试验 临床试验
背景情况:
- 初级中枢神经系统淋巴瘤 (PCNSL) 治疗的挑战包括强烈诱导方案的高毒性,限制自主干细胞移植 (ASCT) 资格超过30%的患者.
- 基于蒂奥特巴的ASCT是一种经过验证的改善PCNSL生存的策略.
研究的目的:
- 评估PCNSL患者的缩短诱导方案的疗效和安全性,这些患者接受基于硫酸乙烯的ASCT.
- 评估协议变更对ASCT移植率的影响,特别是在老年患者中.
主要方法:
- 在加拿大阿尔伯塔省 (2011-2022) 预计进行ASCT的PCNSL患者 (≥18岁) 的回顾性基于人口的研究.
- 一个缩短的,减少强度的诱导协议,包含修复剂,普拉卡巴辛,高剂量甲状腺素和细胞因子,在2018年实施.
- 使用Kaplan-Meier方法分析了无进展生存率 (PFS) 和总生存率 (OS).
主要成果:
- 在71名符合条件的PCNSL患者中,79%的患者完成了ASCT.
- 在60岁以上的患者中,移植率在协议缩写后增加了30%.
- 四年的PFS和OS分别为所有患者的69%和80%,ASCT接受者分别为75%和85%.
- 与治疗相关的死亡率很低 (诱导期间1例死亡,ASCT后没有).
结论:
- 缩短的诱导疗法,其次是基于二甲基的ASCT,是PCNSL的有效策略.
- 这种方法实现了高移植率和有利的生存结果,治疗相关死亡率最小.
- 修改后的协议提高了ASCT的可访问性,特别是对于老年PCNSL患者.
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