信达生物与Alector合作在中国开发抗肿瘤的SIRP-α单抗

2020-03-26 MedSci原创 MedSci原创

与其他SIRP-α靶向抗体相比,AL008与SIRP-α的所有常见等位基因结合,在肿瘤细胞吞噬作用方面具有同类最佳的效能。并且AL008在临床前研究中与红细胞或血小板的消耗无关。

美国药企Alector与信达生物制药(苏州)已签署了许可协议,将在国内开发抗SIRP-α抗体(Alector的项目代码:AL008)治疗肿瘤。

AL008是Alector的新型抗体,靶向CD47-SIRP-α途径,这是肿瘤为逃避先天免疫监测的重要机制。SIRP-α单抗AL008具有独特的双重作用机制,一方面诱导巨噬细胞上抑制性受体的内化和降解来缓解免疫抑制,从而非竞争性地拮抗CD47-SIRP-α途径,另一方面通过Fcγ来诱导抗肿瘤免疫。

与其他SIRP-α靶向抗体相比,AL008与SIRP-α的所有常见等位基因结合,在肿瘤细胞吞噬作用方面具有同类最佳的效能。并且AL008在临床前研究中与红细胞或血小板的消耗无关。

信达董事长兼首席执行官俞德超博士表示:"目前我们已经成功上市了PD-1单抗Tyvyt(sintilimab注射液)来调控获得性免疫系统抗肿瘤。我们相信调节固有免疫系统在肿瘤学中也具有重要的作用,尤其是SIRP-α-CD47途径。AL008将与我们目前的产品线完美互补,进一步巩固我们在肿瘤领域的地位,同时也为有需要的患者提供更多选择。"

根据该协议,Innovent将领导该分子在中国的开发和商业化,Alector将领导AL008在中国境外的开发。

原始出处:

https://www.firstwordpharma.com/node/1710856?tsid=4

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    2020-12-23 passed water
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