Abstract
The antihypertensive efficacy of a combination of calcium-channel blockers and angiotensin-converting-enzyme (ACE) inhibitors in severe primary hypertension is well known, but a synergistic action of this drug combination in mild to moderate primary hypertension is still not established. Therefore, the aim of the present study was to evaluate the efficacy and tolerability of monotherapy with nitrendipine (20 mg) or captopril (100 mg), and of their combination (nitrendipine 10 mg plus captopril 50 mg), in patients suffering from mild to moderate primary hypertension, according to a single-blind, randomized, placebo-controlled design. After the first 4-week monotherapy period, both nitrendipine and captopril induced a significant decrease in systolic and diastolic blood pressure (BP) (p less than 0.001). Furthermore, nitrendipine caused a significant increase in heart rate (HR), while no change in HR was observed in patients treated with captopril. Several side effects were observed, both in the nitrendipine-treated patients (facial flushing, headache, malleolar edema) and in the captopril-treated patients (initial hypotension, dizziness, gastrointestinal disorders). However, these side effects were mild and were well tolerated. ...Continue Reading
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