Title : The role of p-glycoprotein in limiting brain penetration of the peripherally acting anticholinergic overactive bladder drug trospium chloride.

Pub. Date : 2009 Jul

PMID : 19389858






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1 The role of p-glycoprotein in limiting brain penetration of the peripherally acting anticholinergic overactive bladder drug trospium chloride. trospium chloride phosphoglycolate phosphatase Mus musculus
2 The aim of the present study was to characterize the role of the drug-efflux transporter P-glycoprotein (P-gp) for the disposition of trospium chloride, a widely used anticholinergic drug for the treatment of overactive bladder. trospium chloride phosphoglycolate phosphatase Mus musculus
3 The aim of the present study was to characterize the role of the drug-efflux transporter P-glycoprotein (P-gp) for the disposition of trospium chloride, a widely used anticholinergic drug for the treatment of overactive bladder. trospium chloride phosphoglycolate phosphatase Mus musculus
4 The concentrations of trospium chloride in the brain were up to 7 times higher in the mdr1a,b(-/-) knockout mice compared with wild-type mice (p < 0.05), making P-gp a limiting factor for the blood-brain barrier penetration of this drug. trospium chloride phosphoglycolate phosphatase Mus musculus
5 Apart from the blood-brain barrier, P-gp also had significant effects on the overall pharmacokinetics of trospium chloride. trospium chloride phosphoglycolate phosphatase Mus musculus
6 Our study indicates that the multidrug resistance transporter P-gp is a major determinant for the distribution of trospium chloride in the body and highly restricts its entry into the brain. trospium chloride phosphoglycolate phosphatase Mus musculus