皮维基马布苏尼林在囊性血细胞突细胞新生体中
Naveen Pemmaraju1, Giovanni Marconi2, Pau Montesinos3
1Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX.
概括
皮维基马布苏尼林 (PVEK) 在前线形血细胞状树突细胞瘤 (BPDCN) 中显示出高响应率. 这种新型的CD123抗体-药物联合体为BPDCN患者提供了可管理的安全性.
科学领域:
- 血液学 血液学 血液学
- 在瘤学瘤学.
- 免疫治疗是一种免疫疗法.
背景情况:
- 囊性血细胞状树突细胞瘤 (BPDCN) 是一种罕见的骨髓性恶性瘤.
- BPDCN的特点是CD123过度表达,并且通常预后不好.
研究的目的:
- 为了评估pivekimab sunirine (PVEK) 在患有BPDCN的成年人中的疗效和安全性.
- PVEK是一种针对CD123.3的新型抗体-药物结合体.
主要方法:
- 一个I/II阶段,开放标签,多中心研究.
- 患有前线或复发/耐药BPDCN的成年人每3周接受0.045mg/kg的PVEK.
- 主要终点是前线 de novo BPDCN 的初级分析群体 (PAP) 中的复合完整响应 (CCR) 率.
主要成果:
- 在PAP (n=20) 中,CCR率为75%,平均整体存活期为16.6个月.
- 对于复发性/耐火性BPDCN (n=51),CCR率为14%,平均寿命为5.8个月.
- 常见的不良事件包括外周胀和疲劳;严重事件包括中性质衰竭和发烧性中性质衰竭. 在一些患者中观察到静脉封闭性疾病 (VOD),特别是那些接受干细胞移植 (SCT) 的患者.
结论:
- PVEK表现出高且持久的反应,特别是在前线BPDCN.
- 抗体-药物结合物具有可管理的安全性,并具有方便的剂量.
- 对于BPDCN来说,PVEK是一个有前途的治疗选择.
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