少是多:对venetoclax和低甲基化剂在AML的诱导后治疗修改的分析
Stephanie Boisclair1, Edward Zhou1, Phyu Naing1
1Northwell, New Hyde Park, NY, United States; Northwell Health Cancer Institute, Lake Success, NY, United States; Zucker School of Medicine, Hempstead, NY, United States.
Leukemia research
|July 4, 2024
概括
在急性髓性白血病 (AML) 中修改Venetoclax (Ven) 和低甲基化剂 (HMA) 疗法可能会影响结果. 诱导后减少每周期的Venetoclax天改善了生存率,而循环之间的延长间隔没有显示任何不良影响.
科学领域:
- 血液学 血液学 血液学
- 在瘤学瘤学.
- 临床药理学 临床药理学
背景情况:
- 威尼托克拉克斯 (Ven) 与低甲基化剂 (HMA) 结合,改善了老年/不适合治疗的急性髓性白血病 (AML) 患者的生存率.
- 由于不耐受性,经常需要修改治疗方案,但它们对患者结果的影响尚不清楚.
研究的目的:
- 评估诱导后HMA/Ven疗法修改对AML患者疾病进展和存活时间的影响.
- 为了确定周期间隔或Venetoclax持续时间的变化是否会影响患者的结果.
主要方法:
- 在2019年1月至2022年12月期间,对142名AML患者进行了HMA/Ven治疗的回顾性队列研究.
- 从第3周期开始,根据周期间隔的中位数 (≤34 vs. ≥35天) 和每周期的 Venetoclax 天的中位数 (≤14 vs. ≥15天) 分组患者.
- 用Kaplan-Meier和Cox的比例危险回归分析来评估生存率.
主要成果:
- 延长周期间隔 (≥35天) 并没有显著影响中位数无进展生存期 (mPFS) 或中位数整体生存期 (mOS).
- 与≥15天相比,平均每周期≤14天的Venetoclax与显著改善的mPFS (15.8 vs. 8.7个月) 和mOS (24.7 vs. 11.3个月) 相关.
- 多变量分析确定每周期Venetoclax ≤14天作为降低死亡率的独立预测因子 (HR 0.18).
结论:
- 在AML的HMA/Ven治疗中进行诱导后治疗方案的修改需要仔细考虑.
- 减少每周期Venetoclax的持续时间,而不是延长周期间隔,似乎与老年AML患者的更好的生存结果有关.
- 需要进一步的前性研究来证实这些发现并优化治疗策略.
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