Famciclovir

Famciclovir

CAT N°: 23834
Price:

48.00 40.80

Famciclovir is an orally bioavailable prodrug form of the antiviral guanosine analog penciclovir (Item No. 22918).{39519} Famciclovir is rapidly deacetylated and oxidized in vivo to form penciclovir, which is active against clinical isolates of herpes simplex virus 1 (HSV-1), HSV-2, and varicella-zoster virus (VZV) in a plaque reduction assay with IC50 values of 1.6, 6, and 12 ?M, respectively. Both famciclovir and the product of its deacetylation, 6-deoxypenciclovir, are oxidized in vitro by human, guinea pig, and rat liver aldehyde oxidase, with 6-deoxypenciclovir being converted to penciclovir.{39520} Peak plasma concentrations of penciclovir (mean 3.5 ?g/ml) are reached 0.5 hours after oral administration of famciclovir (40 mg/kg) in rats.{39521} Famciclovir (25 mg/kg) has a longer half-life in dogs, with peak concentrations of penciclovir (mean 4.4 ?g/ml) in plasma occurring after 3 hours.

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