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Amrubicin is a DNA topoisomerase II inhibitor, used for the research of cancer.
Amrubicin is a synthetic anthracycline antibiotic with molecular formula C25H25NO9. A specific inhibitor of topoisomerase II, it is used (particularly as the hydrochloride salt) in the treatment of cancer, especially lung cancer, where it is a prodrug for the active metabolite, ambrucinol. It has a role as a topoisomerase II inhibitor, an antineoplastic agent and a prodrug. It is a quinone, a member of tetracenes, a methyl ketone, an anthracycline antibiotic and a primary amino compound.|Amrubicin is a third-generation synthetic anthracycline currently in development for the treatment of small cell lung cancer. Pharmion licensed the rights to Amrubicin in November 2006. In 2002, Amrubicin was approved and launched for sale in Japan based on Phase 2 efficacy data in both SCLC and NSCLC. Since January 2005, Amrubicin has been marketed by Nippon Kayaku, a Japanese pharmaceutical firm focused on oncology, which licensed Japanese marketing rights from Dainippon Sumitomo, the original developer of Amrubicin.|Amrubicin is a synthetic 9-amino-anthracycline with antineoplastic activity. Amrubicin intercalates into DNA and inhibits the activity of topoisomerase II, resulting in inhibition of DNA replication, and RNA and protein synthesis, followed by cell growth inhibition and cell death. This agent has demonstrated a higher level of anti-tumor activity than conventional anthracycline drugs without exhibiting any indication of the cumulative cardiac toxicity common to this class of compounds.