基线IPSS-M与移植前风险降级作为经过异构移植的MDS的预后决定因素
Luis E Aguirre1, Haesook T Kim2, Hany Elmariah3
1Harvard T.H. Chan School of Public Health, United States.
Blood advances
|January 26, 2026
概括
使用分子国际预后评分系统 (IPSS-M) 进行动态风险评估,在骨髓发育综合征 (MDS) 的全源干细胞移植 (alloHSCT) 之前,无法提高预后准确性. 风险的进展,而不是改善,影响HMA治疗后的患者结果.
科学领域:
- 血液学 血液学 血液学
- 在瘤学瘤学.
- 干细胞移植 干细胞移植
背景情况:
- 风险分层对于骨髓分裂综合征 (MDS) 管理至关重要.
- 对接受异性干细胞移植 (alloHSCT) 的患者进行最佳风险评估仍然不清楚.
- 在alloHSCT之前治疗低甲基化剂 (HMA) 后,动态风险变化的预后值尚未确定.
研究的目的:
- 评估使用分子国际预后评分系统 (IPSS-M) 进行的动态风险评估是否可以提高HMA治疗的MDS患者接受alloHSCT的预后准确性.
- 为了比较IPSS-M在诊断和移植前的预后性能.
主要方法:
- 对176名接受HMA治疗的MDS患者进行了回顾性研究,这些患者接受了alloHSCT.
- 在诊断和移植前IPSS-M的应用.
- 主要终点:四年无进展生存期 (PFS).
主要成果:
- 与基线评估相比,动态IPSS-M评估没有显著改善预后表现 (C指数:0.6406比0.6377,p=0.82).
- 在HMA治疗后风险恶化的患者在4年PFS (31%) 低于改善 (50%) 或不变风险 (50%) 的患者.
- 显而易见的IPSS-M改善并没有提高生存率或降低复发率;TP53突变清除也没有改善结果.
结论:
- 在 alloHSCT 之前使用 IPSS-M 进行动态重新评估,与 HMA 治疗的 MDS 患者的基线评估相比没有预后优势.
- 降低风险不应成为治疗目标或试验终点.
- 风险进展是一个不利的标志物,可以指导移植后的策略,以改善生存率.
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