NCI Drug Dictionary

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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.

omacetaxine mepesuccinate
Patient Information A semisynthetic formulation of the cytotoxic plant alkaloid homoharringtonine isolated from the evergreen tree Cephalotaxus with potential antineoplastic activity. Omacetaxine mepesuccinate binds to the 80S ribosome in eukaryotic cells and inhibits protein synthesis by interfering with chain elongation. This agent also induces differentiation and apoptosis in some cancer cell types. Check for active clinical trials using this agent. (NCI Thesaurus)
US brand name:Synribo
Code name:CGX-635
Chemical structures:1-[(1S,3aR,14bS)-2-methoxy-1,5,6,8,9,14b-hexahydro-4H- cyclopenta[a][1,3]dioxolo[4,5-h]pyrrolo[2,1-b][3]benzazepin-1-yl] 4-methyl (2R)-2- hydroxy-2-(4-hydroxy-4-methylpentyl)butanedioate
cephalotaxine, 4-methyl 2-hydroxy-2-(4-hydroxy-4-methylpentyl)butanedioate (Ester)
cephalotaxine, 4-methyl 2-hydroxy-2-(4-hydroxy-4-methylpentyl)butanedioate (ester), [3(R)]- (9CI)