智通财经APP获悉，3月14日，智康弘义宣布，已与默沙东(MRK.US)达成临床试验合作协议，将在全球范围内开展一项针对局部晚期或转移性实体瘤患者的1/2期临床试验，以评估智康弘义的BC3195(靶向CDH3的抗体偶联药物)与默沙东PD-1抑制剂KEYTRUDA(帕博利珠单抗)联合用药的效果。
根据协议条款，智康弘义将开展一项1/2期临床试验，以评估BC3195与帕博利珠单抗联用的安全性和有效性。智康弘义和默沙东各自保留其相应化合物的所有商业权利。该临床研究的招募工作预计将于2025年第四季度开始。
BC3195是智康弘义开发的新一代靶向CDH3的抗体偶联药物(ADC)，该产品采用与CDH3蛋白具有较高亲和力并展现出良好内吞活性的抗体，同时采用经临床验证、具有“旁观者效应”的连接子和有效载荷vc-MMAE，以进一步提高临床开发成功率和满足未来不同场景临床需求。
根据智康弘义新闻稿介绍，BC3195在临床前研究中表现出优异的肿瘤抑制活性，在多个肿瘤模型中的肿瘤生长抑制率大于100%。
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