Trimetrexate (Neutrexin)

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General information

Class/mechanism from DrugBank: In vitro studies have shown that trimetrexate is a competitive inhibitor of dihydrofolate reductase (DHFR) from bacterial, protozoan, and mammalian sources. DHFR catalyzes the reduction of intracellular dihydrofolate to the active coenzyme tetrahydrofolate. Inhibition of DHFR results in the depletion of this coenzyme, leading directly to interference with thymidylate biosynthesis, as well as inhibition of folate-dependent formyltransferases, and indirectly to inhibition of p.r.n. biosynthesis. The end result is disruption of DNA, RNA, and protein synthesis, with consequent cell death.
Route: IV
Extravasation: no information

Diseases for which it is used

No proven antineoplastic properties.

Also known as

  • Generic names: trimetrexate glucuronate
  • Brand name: Neutrexin