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pubmed:abstractText |
1 The effect of oral nifedipine has been examined in patients with hypertension in whom arterial pressure was not adequately controlled by the combination of a beta-adrenoceptor antagonist (or alpha-methyldopa) and a diuretic. 2 In 42 patients, nifedipine (10 mg capsules) was added to the existing therapy in a final dose of 20-60 mg daily. Six patients had to stop the drug on account of side-effects. In the 36 patients who continued treatment, arterial pressure fell by an average of 24/9 mmHg supine and 26/10 mmHg standing. 3 In 11 of these patients who subsequently completed a double-blind, cross-over, placebo controlled trial, nifedipine (30-60 mg daily) was found to reduce arterial pressure by an average of 19/11 mmHg supine and 21/12 mmHg standing. 4 In all 11 patients who were changed to a sustained release preparation of nifedipine, control of arterial pressure was at least as good as it had been when taking the capsules.
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