NCIt definition : An anthrapyrazole-based antineoplastic antibiotic. Losoxantrone intercalates into
DNA, induces single- and double-stranded DNA breaks and inhibits topoisomerase II,
thereby inhibiting DNA replication and repair as well as RNA and protein synthesis.
Losoxantrone is less cardiotoxic than doxorubicin.;
Alternative definition : NCI-GLOSS: An anticancer drug that belongs to the family of drugs called antipyrazoles.;