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NCI Drug Dictionary

  

talotrexin ammonium 
The ammonium salt of an antimetabolite analogue of aminopterin with potential antineoplastic activity. As a folate antagonist, talotrexin binds to and inhibits the function of dihydrofolate reductase, resulting in the inhibition of folate metabolism, DNA synthesis, and cell division. Hydrosoluble, talotrexin is actively transported into cells by the reduced folate carrier (RFC) and, therefore, is unlikely to be associated with P-glycoprotein-mediated multidrug resistance. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)
US brand name:Talvesta
Code name:PT523