Provided herein are antibody drug conjugates (ADCs) comprising an antibody or fragment thereof and cytotoxic (CTA), wherein the activity of the cytotoxic agent is masked by a moiety comprising a transcyclooctene (TCO) group. Further provided are methods of using said ADC, for example in combination with a trigger compound comprising a tetrazine group. Also provided are ADCs of formula (A), (A-1), (A-1a), and (B), or pharmaceutically acceptable salts thereof; and trigger compounds of formula (X), (I), and (II), or pharmaceutically acceptable salts thereof.
本文提供了
抗体药物结合物(ADC),包括
抗体或其片段和细胞毒素(CTA),其中细胞毒素的活性被一个包含转环
辛烯(TCO)基团的基团掩盖。进一步提供了使用该ADC的方法,例如与包含
四氮唑基团的触发化合物结合使用。还提供了式(A),(A-1),(A-1a)和(B)的ADC,或其药学上可接受的盐;以及式(X),(I)和(II)的触发化合物,或其药学上可接受的盐。