Amrubicin

Amrubicin (INN; previously known as SM-5887) is an anthracycline used in the treatment of lung cancer. It is marketed in Japan since 2002 by Sumitomo under the brand name Calsed.

Amrubicin acts by inhibiting topoisomerase II, and has been compared in clinical trials with topotecan, a Topoisomerase I inhibitor.