对多发性骨髓瘤患者进行自身干细胞移植,其骨髓瘤定义事件是SLiM
Iuliana Vaxman1,2,3, Shaji Kumar1, Inbar Cohen1,2
1Division of Hematology, Mayo Clinic, Rochester, Minnesota, USA.
British journal of haematology
|November 29, 2024
概括
自主干细胞移植 (ASCT) 对于使用SLiM标准诊断的骨髓瘤患者来说是安全有效的. 与症状患者相比,无症状患者的早期干预没有改善无进展生存率.
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:
- 国际骨髓瘤工作组在2014年更新了骨髓瘤诊断标准.
- 新的SLiM标准 (克隆骨髓血细胞≥60%,参与到未参与的自由光链比≥100,MRI检测到的焦点病变) 补充了传统的CRAB标准.
研究的目的:
- 评估自主干细胞移植 (ASCT) 在多发性骨髓瘤 (MM) 患者治疗的结果,仅基于SLiM标准.
- 将这些结果与一组患者进行比较,这些患者的MM是根据CRAB标准定义的.
主要方法:
- 根据SLiM标准对30名MM患者进行ASCT治疗的回顾性分析.
- 与60名MM患者的匹配队列进行比较,这些患者的治疗是根据CRAB标准开始的.
- 评估移植时间,整体存活率 (OS) 和无进展存活率 (PFS).
主要成果:
- 在SLiM队列中,中性粒细胞 (15 vs. 16天) 和血小板 (15 vs. 17天) 移植的中位时间显著缩短.
- 36个月的生存期在SLiM组为100%,而在CRAB组为93.27%,在SLiM队列中寿命更长的趋势 (p=0.065).
- 36个月的PFS在SLiM组为91.61%,在CRAB组为65.95%,在队列之间没有显著差异 (p=0.414).
结论:
- ASCT是MM患者的有效和安全治疗方法,MM患者的诊断仅使用SLiM标准.
- 基于SLiM标准的无症状患者的早期干预并没有导致比症状患者更好的反应或PFS.
- 这些发现支持在SLiM定义的骨髓瘤群体中使用ASCT.
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