Zobrazeno 1 - 10
of 333
pro vyhledávání: '"F S Abbott"'
Publikováno v:
The Pharmacogenomics Journal. 3:335-342
The present study investigated the effect of cytochrome P450 2C9 (CYP2C9) genetic polymorphism on the biotransformation of valproic acid (VPA) to its hepatotoxic metabolite, 4-ene-VPA, and compared that to the formation of the inactive 4-OH-VPA and 5
Publikováno v:
Drug Metabolism and Disposition. 31:114-121
In this study, spectroscopic and chromatographic evidence is presented for the identification and characterization of the metabolites, valproyl glutamate (2-propylpentanoyl glutamate, VPA-GLU) and valproyl glutamine (2-propylpentanoyl glutamine, VPA-
Autor:
A Acheampong, F S Abbott
Publikováno v:
Journal of Lipid Research, Vol 26, Iss 8, Pp 1002-1008 (1985)
Valproic acid, an antiepileptic drug, is transformed into diunsaturated metabolites in humans. Synthesis of the geometric isomers of 2-(1'-propenyl)-2-pentenoic acid and 2-(1'-propenyl)-3-pentenoic acid was attempted using known procedures. The final
Externí odkaz:
https://doaj.org/article/ce0e1c1fc0ed443696952b13b59e1ca2
Publikováno v:
Drug metabolism and disposition: the biological fate of chemicals. 29(5)
Dose-dependent pharmacokinetics and metabolism of valproic acid (VPA) were studied in newborn and adult sheep to assess age-related differences in plasma protein binding and metabolic elimination. Newborn lambs received either a 10- (n = 8), 50- (n =
Publikováno v:
Journal of pharmacypharmaceutical sciences : a publication of the Canadian Society for Pharmaceutical Sciences, Societe canadienne des sciences pharmaceutiques. 4(1)
The hepatic extraction of a novel antiarrhythmic, RSD1070, was investigated to test the hypothesis that the poor bioavailability observed in rats is due to high hepatic metabolism.The pharmacokinetics of RSD1070 was examined in rats (n=8) and its met
Publikováno v:
Drug metabolism and disposition: the biological fate of chemicals. 28(8)
The ontogeny of valproic acid (VPA) disposition and metabolism was investigated in developing lambs and adult sheep (Dorset or Suffolk breed). Specifically, we wished to investigate the role of glucuronidation and beta-oxidation on VPA elimination du
Publikováno v:
Journal of mass spectrometry : JMS. 35(6)
We report a GC/NICI-MS assay and a LC/ESI-MS/MS assay for the analysis of N-acetylcysteine (NAC) conjugates of (E)-2,4-diene VPA (NAC I and NAC II) identified in humans. The assay also includes the analysis of the NAC conjugate of 4,5-epoxy VPA (NAC
Publikováno v:
Drug metabolism and disposition: the biological fate of chemicals. 28(7)
Reactive and hepatotoxic metabolites formed from the biotransformation of valproic acid (VPA) are normally detoxified by conjugating with GSH and followed by mercapturic acid metabolism to produce their respective N-acetylcysteine (NAC) conjugates. H
Publikováno v:
Drug metabolism and disposition: the biological fate of chemicals. 28(7)
Metabolism and renal excretion of valproic acid (VPA) were examined in maternal, fetal, and newborn sheep to identify the underlying reasons for the previously observed reduced VPA clearance in newborn lambs. Plasma and urine from VPA infusion studie
Publikováno v:
Drug metabolism and disposition: the biological fate of chemicals. 28(7)
Separate 24-h maternal and fetal infusions of valproic acid (VPA) were administered to five pregnant sheep at 125 to 138 days gestation (term approximately 145 days) to determine maternal-fetal disposition. The pharmacokinetics of VPA were also inves