费城阳性B细胞急性淋巴细胞白血病的成年患者使用儿科启发的多剂化学疗法,与TKI结合治疗,不需要常规alloSCTT
Donna Zhe Sian Eng1, Fatima Khadadah1, Maria Agustina Perusini1
1Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C4, Canada.
Current oncology (Toronto, Ont.)
|February 26, 2026
概括
铁氨酸激酶抑制剂改善了费城阳性B细胞急性淋巴细胞白血病 (Ph+ B-ALL) 患者的治疗结果. 最近的协议变化,包括省略阿斯巴拉金酶和例行干细胞移植,导致显著改善的生存率.
科学领域:
- 血液学 血液学 血液学
- 在瘤学瘤学.
- 临床试验 临床试验
背景情况:
- 氨酸激酶抑制剂 (TKIs) 与化疗相结合,改善了成人费城阳性B细胞急性淋巴细胞白血病 (Ph+ B-ALL) 的治疗结果.
- 最初的治疗策略倾向于全源干细胞移植 (alloSCT) 治疗,但其必要性现在正在重新评估中.
- 玛格丽特公主医院 (PM) 在成人Ph+B-ALL患者中使用了以儿科为灵感的化疗方案,使用伊马替尼.
研究的目的:
- 检查2001年至2019年在PM治疗的成年Ph + B-ALL患者的结果.
- 评估主要协议变化的影响,包括阿斯巴拉金酶遗漏和改变的alloSCT转诊实践,对患者的生存.
主要方法:
- 在2001年至2019年期间治疗的141名成年Ph + B-ALL患者的回顾性分析.
- 对治疗方案的审查,重点关注两个主要变化:缺失阿斯巴拉金酶 (2009) 和停止常规的第一次完全缓解 (CR1) alloSCT转诊 (2010年代初).
- 平均随访时间为41.13个月,评估整体存活率 (OS) 和无复发存活率 (RFS).
主要成果:
- 141名患者 (91.56%) 实现了CR1.
- 随着时间的推移,观察到患者结局的反复改善.
- 最后一组 (2016-2019) 没有阿斯巴拉金酶和没有常规CR1 alloSCT转诊,显示4年后的OS为87.0%,RFS为69.3%.
- 在考虑BCR::ABL1分子可测量的残留疾病 (MRD) 的多变量分析中,长期的OS仍然具有统计学意义.
结论:
- 代性协议修改,特别是在CR1中省略阿斯巴拉金酶和常规alloSCT,已显著改善了成年Ph + B-ALL患者的结果.
- 最新的治疗策略显示出优异的生存率,挑战了早期alloSCT的普遍需求.
- 可测量的残留疾病监测对于评估Ph+ B-ALL.的长期存活至关重要.
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