NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,863 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

omacetaxine mepesuccinate
(OH-mah-seh-TAK-seen MEH-peh-SUK-sih-nayt)
A drug used to treat certain types of chronic myelogenous leukemia (CML) that have not gotten better after treatment with other anticancer drugs. It is also being studied in the treatment of other types of cancer. Omacetaxine mepesuccinate blocks certain proteins involved in cancer cell growth and may kill cancer cells. It is a type of plant alkaloid. Also called homoharringtonine and Synribo.