Medical Dictionary


noun pem·e·trex·ed \ˌpem-ə-ˈtrek-ˌsed\

Medical Definition of pemetrexed

  1. :  an antineoplastic drug that is an antagonist of folic acid and is administered by injection in the form of its hydrated disodium salt C20H19N5Na2O6·7H2O to treat pleural mesothelioma and some forms of lung cancer Pemetrexed, a folate antimetabolite, was evaluated as a candidate for maintenance therapy because it is effective, relatively well tolerated, and easy to administer.—Tracy Hampton, The Journal of the American Medical Association, 12 Aug. 2009 Pemetrexed is marketed under the trademark Alimta.

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feeling or affected by lethargy

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