(+)-Cevimeline hydrochloride hemihydrate ((+)-SNI-2011), a potent muscarinic receptor agonist, shows promise as a therapeutic candidate for xerostomia in Sjogrens syndrome. It exhibits a broad pharmacological profile across various systems in animal models including mice, rats, guinea pigs, rabbits, and dogs. Metabolism studies using rat and dog liver microsomes reveal rapid absorption with peak plasma concentrations (Cmax) within one hour post-oral administration and a half-life (t1/2) between 0.4 to 1.1 hours. Bioavailability is 50% in rats and 30% in dogs. Metabolic analysis shows species-specific differences: rats produce S- and N-oxidized metabolites, while dogs produce only N-oxidized metabolites. Sex-based pharmacokinetic differences were noted in rats but not in dogs. In vitro studies indicate cytochrome P450 (CYP) and flavin-containing monooxygenase (FMO) involvement in the sulfoxidation and N-oxidation of SNI-2011, with CYP2D and CYP3A mainly responsible for sulfoxidation in rat liver microsomes.
Molekulargewicht:
244.78
Formel:
C10H19ClNO1.5S
Target-Kategorie:
Others|||AChR
T13460
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