PP148—Influence of CYP2C9 IVS8-109A>T Polymorphism on Losartan Oxidation in Healthy Ecuadorians
نویسندگان
چکیده
منابع مشابه
Role of CYP2C9 polymorphism in losartan oxidation.
Losartan, an angiotensin II receptor antagonist, is oxidized by hepatic cytochromes P450 to an active carboxylic acid metabolite, E-3174. The aim of the present investigation was to study the contribution of CYP2C9 and CYP3A4 in losartan oxidation in vitro and to evaluate the role of CYP2C9 polymorphism. Kinetic properties of different genetic CYP2C9 variants were compared both in a yeast expre...
متن کاملLosartan hydroxylation phenotype in an Ecuadorian population: influence of CYP2C9 genetic polymorphism, habits and gender.
AIM To describe for the first time CYP2C9 hydroxylation phenotype with CYP2C9 genotypes in a Hispanic (Ecuadorian) population using losartan; and the relevance of gender, tobacco, ethanol and caffeine consumption on the enzyme hydroxylation capacity. METHODS Ecuadorian healthy volunteers (n = 194) received a single oral dose of 25 mg losartan. Losartan metabolic ratio was defined as losartan:...
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INTRODUCTION Genetic polymorphisms of CYP2C9 among different populations in different geographical regions could be different. CYP2C9 has been reported to be the enzyme responsible for the metabolism of many drugs, including warfarin and other drugs with a narrow therapeutic index. Realising the importance of inter-individual differences in the genetic profile in determining the outcome of a dr...
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CYP2C9-dependent drug metabolism is subject to large interindividual variation. To some extent, this is explained by genetic polymorphism with expression of enzyme variants that differ in catalytic activity. The aim of this study was to characterize the variation in CYP2C9 phenotype in relation to genotype, with further analysis of the CYP2C9 gene in metabolic outliers. A study population of 12...
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ژورنال
عنوان ژورنال: Clinical Therapeutics
سال: 2013
ISSN: 0149-2918
DOI: 10.1016/j.clinthera.2013.07.190