Abstract
Background: Hypertension and certain alteration in serum lipoproteins are complementary coronary risk factors. The effect of antihypertensive agents on lipid metabolism exhibits a wide range. Numerous studies have established that vasodilating beta-blockers are associated with more favorable effects on glucose and lipid profiles than non-vasodilating beta-blockers. The study was conducted to study the comparative effects of nebivolol and metoprolol on lipid profile in patients of essential hypertension. Methods: A prospective, randomized open label single center study was conducted in the Department of Pharmacology in collaboration with Department of Medicine, MGM’s Medical College and Hospital, Aurangabad in newly diagnosed patients of essential hypertension. Sixty patients of either sex in the age group of 30-65 years with blood pressure (BP) of ≥140/90 mmHg with deranged lipid parameters according to National Cholesterol Education Program were randomized into two groups. Group I received metoprolol (50 mg) and Group II received nebivolol (5 mg), both given once daily for 12 weeks. BP and lipid parameters were evaluated at baseline as well as at the end of 12 weeks. Results: There was significant reduction in BP values (p<0.0001) as compared to baseline in both the groups, however no significant difference was observed between two drugs revealing that their efficacy in reducing systolic BP/diastolic BP is comparable. Furthermore, both the drugs had a favorable effect on lipid profile, but more significant results on lipid profile were observed in the nebivolol group as compared to metoprolol group (p<0.0001). Conclusions: In our comparison study, it is seen that the favorable effect of nebivolol on serum lipids and its good tolerability profile make it a good choice for control of hypertension as well as preventing the long-term cardiovascular morbidities and mortalities.
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