Drug metabolism and disposition: the biological fate of chemicals, 33(3), 381-387 (2004-12-24)
Dihydropyrimidine dehydrogenase (DPD), the first enzyme in the sequential metabolism of pyrimidine, regulates blood concentrations of 5-fluorouracil and is deeply involved in its toxicity. This study was designed to examine the effects of a DPD inhibitor on blood concentrations of
Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan, 122(8), 527-535 (2002-08-22)
In 1993, there were 18 acute deaths in Japanese patients who had the viral disease herpes zoster and were treated with the new antiviral drug sorivudine (SRV, 1-beta-D-arabinofuranosyl-(E)-5-(2-bromovinyl)uracil). All the dead patients had received a 5-fluorouracil (5-FU) prodrug as anticancer
The susceptibility of the bicyclic nucleoside analogs (BCNAs), highly potent and selective inhibitors of varicella-zoster virus (VZV), to the enzymes involved in nucleoside/nucleobase catabolism has been investigated in comparison with the established anti-VZV agent (E)-5-(2-bromovinyl)-2'-deoxyuridine [BVDU; brivudine (Zostex)]. Whereas human
Drug metabolism and disposition: the biological fate of chemicals, 28(4), 467-474 (2000-03-22)
The fatal drug-drug interaction between sorivudine, an antiviral drug, and 5-fluorouracil (5-FU) has been shown to be caused by a mechanism-based inhibition. In this interaction, sorivudine is converted by gut flora to (E)-5-(2-bromovinyl)uracil (BVU), which is metabolically activated by dihydropyrimidine
Sorivudine, 1-beta-D-arabinofuranosyl-5-(E)-(2-bromovinyl)uracil, is a potent antiviral agent against varicella-zoster virus and herpes simplex virus type 1. However, sorivudine should not be used in combination with anticancer drugs such as 5-fluorouracil (5-FU) because (E)-5-(2-bromovinyl)uracil (BVU), a metabolite of sorivudine, inhibits the
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