开发一流的基于化学的癌症治疗方法,从临床前评估到首次对人类进行剂量升级临床试验
Sangeetha Srinivasan1, Nathan A Yee1, Maša Alečković1
1Shasqi Inc., San Francisco, California.
概括
点击激活原药抗癌 (CAPAC) 疗法,以SQ3370为例,可以选择性地向瘤提供化疗. 这种创新方法显示了增强癌症治疗的希望,降低了毒性和潜在的免疫益处.
科学领域:
- 在瘤学瘤学.
- 生物对角化学 生物对角化学
- 药物输送系统 药物输送系统
背景情况:
- 精确的药物激活在瘤部位没有系统性毒性仍然是癌症治疗的重大挑战.
- 点击激活抗癌原药 (CAPAC) 是一种使用生物直角点击化学进行向药物激活的预定向策略.
- 这种方法在各种向治疗中具有广泛的适用性.
研究的目的:
- 描述基于CAPAC的癌症治疗方法SQ3370的临床前发展和临床转化.
- 评估SQ3370在临床前模型和首次人体试验中的安全性,有效性和免疫调节作用.
主要方法:
- 作为一流的CAPAC治疗药物,SQ3370采用可点击的预定向剂和化学减弱的多克索鲁比辛 (Dox) 有效载荷.
- 在小鼠瘤模型中进行了临床前研究,并在患有晚期固体瘤的患者中进行了首次人体剂量升级试验 (NCT04106492).
- 安全性,毒理学,药理动力学和免疫反应在物种和患者之间进行了评估.
主要成果:
- 在小鼠模型中,SQ3370通过在瘤部位安全和选择性的Dox释放有效地抑制了瘤的进展.
- 该疗法在狗和人类中表现出良好的安全性,在升级剂量时没有观察到剂量限制性毒性.
- SQ3370调节了多克索鲁比辛的药理动力学,并诱导了T细胞依赖的免疫反应,包括CD8+T细胞激活.
结论:
- SQ3370代表了针对性化疗的体内点击化学的首次临床演示.
- 该疗法不仅提供了化疗,而且还引起了有益的免疫反应,可能有助于治疗转移性疾病.
- 跨物种一致的安全性和有效性强调了CAPAC技术的可翻译性,将点击化学定位为向癌症治疗的有希望的模式.
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