NCI Drug Dictionary
The NCI Drug Dictionary contains technical definitions and synonyms for drugs/agents used to treat patients with cancer or conditions related to cancer. Each drug entry includes links to check for clinical trials listed in NCI's List of Cancer Clinical Trials.
A chromopeptide antineoplastic antibiotic isolated from the bacterium Streptomyces parvulus. Dactinomycin intercalates between adjacent guanine-cytosine base pairs, blocking the transcription of DNA by RNA polymerase; it also causes single-strand DNA breaks, possibly via a free-radical intermediate or an interaction with topoisomerase II. Check for active clinical trials using this agent. (NCI Thesaurus)
actinomycin X 1
US brand name: Cosmegen Foreign brand name: Lyovac Cosmegen Abbreviation: DACT Chemical structure: 2-bis[cyclo(N-methyl-L-valyl-sarcosyl-L-prolyl-D-valyl-L-threonyl)]-1,9 dimethyl-4,6 3H-phenoxazinone-3