نتایج جستجو برای: losartan potassium
تعداد نتایج: 80989 فیلتر نتایج به سال:
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...
OBJECTIVE To compare the effects of the angiotensin II antagonist, losartan, with those of atenolol on left ventricular hypertrophy (LVH), blood pressure and neurohormone concentrations in hypertensive patients with LVH. DESIGN A multinational, randomized, double-blind trial. SETTING Hospital. PATIENTS Hypertensive patients with an echocardiographically documented left ventricular mass in...
Rheumatoid arthritis (RA) is an autoimmune inflammatory disease characterized by joint infiltration and bone damage. The aim of the present study was to evaluate the beneficial effects of losartan in adjuvant-induced arthritis (AIA). Arthritis was induced in rats by subcutaneous injection of 0.2ml of Complete Freund’s adjuvant (CFA) in the planter surface of the hind paw. Arthritic rats were al...
Introduction: Nicotinamide adenine dinucleotide phosphate (NADPH) oxidase-2 (Nox2) is one of the predominant sources of ROS production during myocardial ischemia-reperfusion and can be induced by angiotensin II. The evidence suggests that pharmacological blockers of renin-angiotensin system can exert direct tissue effects independent of their ability to regulate blood pressure. The mechanism...
Objective(s) Four novel losartan analogues 5a-d were synthesized by connecting a dihydropyridine nucleus to imidazole ring. The effects of 5a and 5b on angiotensin receptors (AT') and L-type calcium channels were investigated on isolated rat aorta. Materials and Methods Aortic rings were pre-contracted with 1 pM Angiotensin II or 80 mM KCl and relaxant effects of losartan, nifedipine, 5a and...
BACKGROUND Angiotensin II subtype-1 receptor antagonists represent a valuable new class of drugs in the treatment of diabetic nephropathy. The aim of our study was to evaluate the optimal dose of losartan for renoprotection and blood pressure reduction in diabetic nephropathy. METHODS Fifty consecutive hypertensive type 1 diabetic patients with diabetic nephropathy received increasing doses o...
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