用于PROTAC蛋白质降解剂的口服吸收的物理化学性质决定因素
Keith R Hornberger1, Erika M V Araujo1
1Arvinas Operations, Inc., 5 Science Park, 395 Winchester Avenue, New Haven, Connecticut 06511 United States.
Journal of medicinal chemistry
|June 6, 2023
概括
蛋白质溶解向化马体 (PROTACs) 的口服吸收是新疗法的关键. 这项研究确定了影响PROTAC在老鼠口服吸收的物理化学特性,有助于开发口服药物.
科学领域:
- 药理学 药理学是指药理学的学科.
- 药物发现 药物发现 药物发现
- 药用化学 医学化学
背景情况:
- 蛋白质溶解向化马体 (PROTACs) 是一种新兴的治疗药物,具有口服的潜力.
- PROTACs通常具有超出"五项规则"的物理化学特性,使口服吸收预测复杂化.
- 了解口服吸收的决定因素对于开发口服可用的PROTACs至关重要.
研究的目的:
- 调查控制异性双功能PROTAC降解剂口服吸收的因素.
- 制定设计指南,以提高PROTAC分子的口服生物利用性.
- 为了比较PROTACs在老鼠和小鼠的口服吸收特征.
主要方法:
- 在口服和静脉注射PROTAC后从老鼠和小鼠收集的药理动力学数据.
- 通过将口服剂量数据与静脉注射数据进行正常化来计算吸收分数 (FA),以考虑肝脏清除.
- 按FA排序PROTAC分子,并分析与物理化学性质的相关性.
主要成果:
- 与小鼠相比,老鼠表现出较低的PROTACs口服吸收.
- 在PROTAC中确定了与更高的口服吸收相关的特定物理化学性质.
- 已确立的 PROTACs 口服吸收的定量结构-属性关系.
结论:
- 物理化学性质的优化对于实现PROTACs的口服吸收至关重要.
- 这些发现为开发口服可生物利用的PROTAC疗法提供了实际的设计约束.
- 这项研究促进了PROTACs作为可行的口服药物模式的发展.
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