维内托克拉克斯加低强度化疗用于患有急性淋巴细胞白血病的成年人
Marlise R Luskin1, Shai Shimony1, Julia Keating2
1Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA.
Blood advances
|November 15, 2024
概括
威尼托克拉克斯与迷你超CVAD化疗相结合,在新诊断的急性淋巴细胞白血病 (ALL) 中显示出有希望的疗效和耐受性. 这种组合疗法在老年患者中实现了高完全缓解率和有利的生存结果.
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:
- 作为B细胞淋巴瘤2抑制剂的Venetoclax可能会提高急性淋巴细胞白血病 (ALL) 的化疗疗效.
- 当与venetoclax结合时,化疗中可能会减少剂量.
- 这项研究对ALL患者的venetoclax与减弱化疗结合进行了研究.
研究的目的:
- 评估venetoclax加微型超CVAD化疗在新诊断或复发/耐药ALL的患者中的安全性和有效性.
- 为了确定本组合治疗方案中推的维内托克拉克斯二期剂量 (RP2D).
- 评估临床结果,包括完全缓解率和存活率.
主要方法:
- 一项1b期临床试验招募了19名ALL患者 (11名新诊断,8名复发/耐药).
- 威尼托克拉克斯 (Venetoclax) 在每次迷你-超-CVAD化疗周期中使用了21天.
- 剂量升级确定了600毫克/天的venetoclax的RP2D.
主要成果:
- 没有观察到剂量限制性毒性;600 mg/天是推的第二阶段剂量.
- 最常见的非血液学不良事件是等级≥3的感染.
- 在新诊断的ALL患者中,90.9%实现了可测量的残留病负完全缓解,包括TP53突变ALL患者.
- 新诊断ALL的中位数无病生存时间为54.6个月,两年DFS率为90%.
- 37.5%的复发性/耐药性ALL患者实现了完全缓解.
结论:
- 威尼托克拉克斯加微型超CVAD化学疗法耐受性良好,并且在新诊断的ALL中表现出有希望的疗效.
- 组合疗法支持桥梁到造血干细胞移植.
- 对于新诊断的和R/R ALL群体,需要在更大的试验中进行进一步的研究.
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