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Despite the availability of a variety of effective antihypertensive drugs, inadequate control of blood pressure is common in hypertensive patients. The aim of this study was investigate whether the alpha-adducin G460W polymorphism or angiotensinogen M235T polymorphism has an effect on the mean difference in blood pressure in subjects using antihypertensive drugs. Data from the Rotterdam Study, a population-based prospective cohort study in the Netherlands, was used. This study started in 1990 and included 7983 subjects of 55 years and older. Data from three examination rounds were used. Subjects were included when their blood pressure was elevated at 1 or more examinations and/or a diuretic, beta-blocker, calcium antagonist, or ACE inhibitor was used. A marginal generalized linear model was used to assess the drug-gene interaction. In total, 3025 hypertensives were included. No drug-gene interaction on blood pressure levels was found. The mean difference in systolic blood pressure (SBP) between subjects with the W-allele and GG genotype of the alpha-adducin gene was for diuretic users 1.25 mmHg (95% CI:-2.86 to 5.35), for beta-blockers 0.02 mmHg (95% CI:-3.39 to 3.42), for calcium antagonists -0.70 mmHg (95% CI:-5.61 to 4.21), and for ACE inhibitors -3.50 mmHg (95% CI:-9.02 to 2.02). The mean difference in SBP between subjects with the TT and MM genotype was for diuretic users -2.33 mmHg (95% CI:-8.32 to 3.66), for beta-blocker -0.06 mmHg (95% CI:-4.91 to 4.79), for calcium antagonist 0.59 mmHg (95% CI:-5.95 to 7.13), and for ACE inhibitor -2.33 mmHg (95% CI:-9.66 to 5.01). The G460W polymorphism and the M235T polymorphism did not modify the difference in blood pressure levels among subjects who used diuretics, beta-blockers, calcium antagonists, or ACE inhibitors.

Original publication

DOI

10.1038/sj.ejhg.5201632

Type

Journal article

Journal

European journal of human genetics : EJHG

Publication Date

07/2006

Volume

14

Pages

860 - 866

Addresses

Department of Epidemiology and Biostatistics, Erasmus MC, Rotterdam, The Netherlands.

Keywords

Humans, Hypertension, Angiotensinogen, Calmodulin-Binding Proteins, Adrenergic beta-Antagonists, Antihypertensive Agents, Calcium Channel Blockers, Diuretics, Angiotensin-Converting Enzyme Inhibitors, Retrospective Studies, Cohort Studies, Polymorphism, Genetic, Aged, Middle Aged, Female, Male