Belotecan
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| Formula | C25H27N3O4 |
| Molar mass | 433.508 g·mol−1 |
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Belotecan is a drug used in chemotherapy. It is a semi-synthetic camptothecin analogue indicated for Small Cell Lung Cancer and Ovarian Cancer, approved in South Korea under the trade name Camtobell, presented in 2 mg vials for injection.[1] The drug is marketed by ChongKunDang Pharmaceuticals [2] since 2003.[3]
Belotecan blocks topoisomerase I with a pIC50 of 6.56,[4] 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.
References
- ^ http://www.ckdpharm.com/eng/ckd/product/productView.ckd?seq=2463
- ^ http://www.ckdpharm.com/eng/ckd/index.ckd
- ^ Sahoo, Umakanta (2012). Clinical Research in Asia: Opportunities and Challenges. Oxford: Woodhead Publishing Limited. p. 152. ISBN 978-1-908818-13-3.
New drugs approved in South Korea
- ^ "belotecan". drugcentral.org. UNM School of Medicine. 2016-07-31. Retrieved 2016-11-12.
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