2019 CSCO:抗PD-L1抗体CS1001治疗MSI-H实体瘤有效性好、安全性高

2019-09-23 Allan MedSci原创

基石药业近日宣布,抗PD-L1抗体CS1001治疗微卫星不稳定性高/缺陷错配修复(MSI-H / dMMR)实体瘤的GEMSTONE-101 Ib期研究首次在中国临床肿瘤学会第22届年会上进行了口头报告。

基石药业近日宣布,抗PD-L1抗体CS1001治疗微卫星不稳定性高/缺陷错配修复(MSI-H / dMMR)实体瘤的GEMSTONE-101 Ib期研究首次在中国临床肿瘤学会第22届年会上进行了口头报告。MSI-H / dMMR队列研究的目的是评估CS1001作为二线单一疗法的初步抗肿瘤功效,并进一步评估CS1001的安全性和耐受性。

微卫星(MS)是由重复的DNA基序组成的重复遗传序列。有缺陷的DNA不匹配修复途径会导致DNA基序长度的不稳定性,从而导致一种称为微卫星不稳定性(MSI)的现象。 MSI-H表示MSI的水平很高,这预示着错配修复功能的丧失。已发表的数据表明,MSI-H / dMMR最常见于子宫内膜癌、腺癌、恶性小肠肿瘤和大肠腺癌患者。


原始出处:

http://www.firstwordpharma.com/node/1668251#axzz60IsjKrMi

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    2019-09-24 smartjoy
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    2019-09-24 智慧医人