作为小儿AML诱导的低剂量与标准剂量疗法:一个多中心,随机的非劣势性试验
Li Gao1, Xiaowen Zhai2, Ningling Wang3
1Pediatric Hematol & Oncol Key Laboratory of Higher Education Institutions in Jiangsu Province, China.
Blood
|March 11, 2026
概括
针对儿童急性髓性白血病 (AML) 的低剂量化疗 (LDC) 显示出与标准剂量化疗 (SDC) 相似的疗效. LDC导致中性粒细胞和血小板的恢复速度更快,证明了为儿科AML治疗提供更安全的替代方案.
科学领域:
- 儿科血液学 瘤学 儿科血液学
- 临床试验 临床试验
- 急性髓性白血病 (AML) 的治疗方法
背景情况:
- 针对AML的密集化疗具有显著的风险,特别是对于儿科患者.
- 在儿科AML中需要更安全,同样有效的诱导化疗方案.
研究的目的:
- 为了比较低剂量化疗 (LDC) 与标准剂量化疗 (SDC) 方案的疗效和安全性,用于儿科AML诱导.
- 评估LDC或SDC治疗的AML儿童的应答率,结果,毒性和存活率.
主要方法:
- 一个随机的,多中心的,非劣势性试验,涉及AML的儿科患者 (<18岁).
- 患者接受的是LDC (cytarabine,mitoxantrone/idarubicin,G-CSF) 或SDC (cytarabine,daunomycin,etoposide) 的治疗.
- 所有患者都接受了缓解后整合和/或干细胞移植.
主要成果:
- 完全缓解率 (CR/CRi) 相似:最不发达国家为95.1%,最不发达国家为95.3%.
- 诱导II后可测量的残留疾病 (<0.1%) 是相似的:87.4% (LDC) 和87.1% (SDC).
- 中性粒细胞和血小板恢复的中位时间与LDC显著缩短. 四年的OS:81.3% (LDC) 与83.6% (SDC) 相比;四年的EFS:61.5% (LDC) 与63.1% (SDC).
结论:
- LDC疗法是小儿AML诱导的耐受性良好和有效的替代方案.
- 最不发达国家在CR,EFS和OS方面与SDC相比表现不劣.
- 在儿科AML中,LDC提供了一种潜在的更安全的治疗选择,具有更快的血液恢复.
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