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  • Title: Comparative efficacy of lisinopril and nifedipine retard in essential hypertension: a double-blind, placebo-controlled trial.
    Author: Richardson PJ, Meany TB, Johnston GD, Kondowe G, Grimmer SF, Breckenridge AM.
    Journal: J Cardiovasc Pharmacol; 1987; 10 Suppl 10():S96-8. PubMed ID: 2455154.
    Abstract:
    Lisinopril, a long-acting angiotensin converting enzyme inhibitor, and the calcium channel blocker nifedipine in its retard formulation, were compared as monotherapy in a group of 45 patients with essential hypertension. Lisinopril in single daily doses (range 20-80 mg, median dose 40 mg) and nifedipine retard in twice daily doses (total daily dose range 40-80 mg, median dose 60 mg) were equally effective in controlling hypertension. The lisinopril group (n = 30), at baseline supine blood pressure 178/109 +/- 23/9 mm Hg (mean +/- 1 SD), after 12 weeks' therapy measured 148/88 +/- 27/14 mm Hg; the nifedipine group (n = 15), at baseline 185/110 +/- 23/11 mm Hg, after 12 weeks' therapy measured 151/89 +/- 14/10 mm Hg. The number of patients who experienced clinical adverse effects was significantly greater in the nifedipine group: 8 of 15 (53%) compared to 4 of 30 (13%) in the lisinopril group. The commonest adverse effects of patients on nifedipine were swollen ankles, flushing, and headache. Two patients on nifedipine were withdrawn from the study because of their adverse experiences. Of the patients on lisinopril there were single reports of flushing, ankle swelling, tiredness, and chest pain. No patient withdrew from lisinopril because of an adverse experience. No adverse laboratory experiences were recorded in either group. In conclusion, lisinopril and nifedipine retard were equally effective in controlling essential hypertension. Lisinopril was, however, better tolerated during this study.
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