Ifinatamab deruxtecan

Ifinatamab deruxtecan
Clinical data
Other namesDS-7300
ATC code
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CAS Number
UNII
KEGG

Ifinatamab deruxtecan (DS-7300) is an experimental anti-cancer treatment developed by Merck and Daiichi Sankyo. It is an antibody–drug conjugate that "consists of an anti-B7-H3 antibody linked with a DNA topoisomerase I inhibiting anti-tumor agent".

Ifinatamab-DXd is in phase III clinical trials for extensive stage small cell lung carcinoma (EC-SCLC) from 2024 onward. I-DXd progressed directly from Phase I to Phase III, due to exceptional response rates (>65% ORR) in a difficult to treat cancer. I-DXd is also in Phase III trials for metastatic castration resistant prostate cancer from 2025