期刊
BIOPHARMACEUTICS & DRUG DISPOSITION
卷 -, 期 -, 页码 -出版社
WILEY
DOI: 10.1002/bdd.2371
关键词
antibody-conjugated DXd; antibody-drug conjugate (ADC); average drug-to-antibody ratio (average DAR); total antibody; trastuzumab deruxtecan (T-DXd; DS-8201a)
In this study, it was observed that the concentrations of antibody-conjugated DXd and total antibody decreased over time following intravenous administration of T-DXd to monkeys, suggesting the relative stability of T-DXd in vivo.
Trastuzumab deruxtecan (T-DXd, DS-8201a) is an antibody-drug conjugate, comprising an anti-HER2 antibody at a drug-to-antibody ratio of 7-8 with the topoisomerase I inhibitor DXd. In this study, the concentrations of antibody-conjugated DXd and total antibody were determined and observed to decrease over time following intravenous administration of T-DXd to monkeys. The drug-to-antibody ratio of T-DXd also decreased in a time-dependent manner, which reached approximately 2.5 in 21 days after administration. It was suggested that antibody-conjugated DXd of T-DXd was relatively stable in vivo compared with that of other reported antibody-drug conjugates.
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