NVL-655 是多种ALK突变瘤蛋白的选择性和脑透性抑制剂,包括拉丁尼布耐药化合物突变
Jessica J Lin1, Joshua C Horan2, Anupong Tangpeerachaikul2
1Massachusetts General Hospital Cancer Center, Boston, Massachusetts.
Cancer discovery
|September 13, 2024
概括
NVL-655,一种新型的氨酸激酶抑制剂 (TKI),对形淋巴瘤激酶 (ALK) 聚变阳性非小细胞肺癌有前途. 它有效地针对抗性突变和大脑转移,解决当前ALK抑制剂的局限性.
科学领域:
- 在瘤学瘤学.
- 药理学 药理学是指药理学的学科.
- 分子生物学分子生物学
背景情况:
- 三代氨酸激酶抑制剂 (TKI) 已被批准用于化阳性非小细胞肺癌 (NSCLC) 化阳性阿纳普拉斯性淋巴瘤激酶 (ALK).
- 目前的ALK TKIs存在一些局限性,包括不充分的抗性覆盖,有限的脑活动和剂量限制的TRK抑制.
研究的目的:
- 评估NVL-655,一种新型TKI,旨在广泛抑制ALK,具有高选择性.
- 评估NVL-655对各种ALK变化的疗效,包括抵抗突变和脑转移模型.
主要方法:
- 在实验室中评估了NVL-655对各种ALK融合,激活变异和抗性突变的选择性和功效.
- 活体内疗效在12种瘤模型中进行了评估,包括内移植和患者衍生的外来移植.
- 确定了NVL-655对TRK抑制的选择性.
主要成果:
- 在96%的基因组中,NVL-655对ALK具有>50倍的选择性.
- 它有效地抑制了各种ALK变异,包括ALKG1202R突变,与已批准的ALK TKIs相比,其功效提高了100倍以上.
- 在体内,NVL-655诱导了瘤回归,并且显示出对TRK抑制的显著选择性 (22倍至>874倍).
- 一/二期试验数据表明,在重度预治疗的NSCLC患者中,脑转移和抗药突变的初步临床活性.
结论:
- NVL-655对ALK抗性突变表现出广泛的活性,并透到大脑中.
- 它的高选择性解决了当前ALK抑制剂的局限性,将其定位为ALK驱动癌症的潜在第四代治疗方法.
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