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belotecan hydrochloride The hydrochloride salt of the semi-synthetic camptothecin analogue belotecan with potential antitumor activity. Belotecan binds to and inhibits the activity of topoisomerase I, stabilizing the cleavable complex of topoisomerase I-DNA, which inhibits the religation of single-stranded DNA breaks generated by topoisomerase I; lethal double-stranded DNA breaks occur when the topoisomerase I-DNA complex is encountered by the DNA replication machinery, DNA replication is disrupted, and the tumor cell undergoes apoptosis. Topoisomerase I is an enzyme that mediates reversible single-strand breaks in DNA during DNA replication. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)
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Code name: | ![](https://webarchive.library.unt.edu/eot2008/20081024083430im_/http://www.cancer.gov/images/spacer.gif) | CKD-602 | | ![](https://webarchive.library.unt.edu/eot2008/20081024083430im_/http://www.cancer.gov/images/spacer.gif) |
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