| abstract |
Disclosed is a drug that targets HER2. An anti-HER2 antibody or a functional fragment thereof capable of specifically binding to HER2, including a heavy chain and a light chain, and the anti-HER2 antibody or a functional fragment thereof and a cytotoxic drug, an immunostimulant, and A conjugate with a therapeutic agent selected from radioisotopes. Use of the antibody and conjugate thereof in the manufacture of a medicament for treating a tumor. [Selection figure] None |