An object of the present invention is to provide an antibody specifically binding to CDH6 and having a high internalization activity, an antibody-drug conjugate comprising the antibody and a high antitumor activity, a pharmaceutical product having the antibody-drug conjugate and having a therapeutic effect on a tumor, a method for treating a tumor using the antibody, the antibody-drug conjugate or the pharmaceutical product, and the like.
According to the present invention, it is possible to provide an anti-CDH6 antibody prepared having internalization activity, an anti-CDH6 antibody-drug conjugate prepared by connecting the anti-CDH6 antibody and a novel PBD derivative and exhibiting high anti-tumor activity, a pharmaceutical product and a therapeutic method for treating tumors using these.
本发明的目的是提供一种特异性结合 CDH6 且具有高内化活性的
抗体,一种包含该
抗体且具有高抗肿瘤活性的
抗体-药物共轭物,一种具有该
抗体-药物共轭物且对肿瘤具有治疗作用的药物产品,一种使用该
抗体、
抗体-药物共轭物或药物产品治疗肿瘤的方法等。
根据本发明,可以提供一种制备的具有内化活性的抗 CDH6
抗体、将抗 CDH6
抗体与新型
PBD 衍
生物连接制备的抗 CDH6
抗体-药物共轭物(该共轭物具有高抗肿瘤活性)、药物产品以及使用这些产品治疗肿瘤的方法。