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抗体-药物结合物的PK/PD评估与增强的免疫效应器功能

Hsuan-Ping Chang¹, Shufang Liu¹, Dhaval K Shah²

¹Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, The State University of New York at Buffalo, 455 Pharmacy Building, Buffalo, New York, 14214-8033, USA.

The AAPS journal

|December 20, 2024

概括

增强抗体-药物合物 (ADC) 的免疫效应器功能 (EF) 在临床前模型中提高了它们的疗效. 调节EFs没有影响体外功效,但影响了药理动力学,这表明了更好的ADC治疗策略.

科学领域:

免疫学免疫学免疫学
药理学药理学是指药理学的学科.
生物技术是生物技术.

背景情况:

基于抗体 (mAb) 的疗法可以通过调节免疫效应器功能 (EFs) 来优化.
在抗体-药物合物 (ADCs) 的疗效和毒性中EFs的作用基本上是未知的.
关于EF调制如何影响ADC药理学的研究有限.

研究的目的:

评估免疫效应器功能调节对ADC疗效的影响.
为了利用trastuzumab-vc-MMAE作为这些调查的模型ADC.
合成ADC与工程Fc区域来增强或消除EFs.

主要方法:

针对抗体的Fc工程,以创建具有改变EF的ADC.
在体外基于细胞的测试以评估功效和EF调制.
在合成基因小鼠模型中进行的药理动力学/药理动力学 (PK/PD) 研究.
通过PK / PD建模来定量确认疗效.

主要成果:

在体外,ADC的功效不受EF改变或vc-MMAE结合的影响.
在ADC中增强的EF导致了更低的全身暴露和更快的清除.
具有增强EF的ADCs在综合基因小鼠瘤模型中显示出更好的疗效.
PK/PD建模表明,EF增强具有协同效果,EF去除具有少于添加效果.

结论:

开发具有增强免疫效应功能的ADC可能会提高治疗效果.
EF调制影响ADC的药理动力学和组织分布.
需要进一步研究以了解EF增强对ADC安全性的影响及其对其他ADC的适用性.

关键词:

ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC ADCC is also known as ADCC ADCC ADCC is also known as ADCC 在 PK/PD 建模中,使用 PK/PD 模型.抗体与药物结合物的结合物.效应器的功能是效应器的功能.有协同作用的协同作用.

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