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  • Title: [Comparison of the anti-ischemia effect of nisoldipine and verapamil. Double-blind randomized cross-over and placebo-controlled acute and long-term study].
    Author: Brügmann U, Blasini R, Rudolph W.
    Journal: Herz; 1984 Aug; 9(4):244-52. PubMed ID: 6434387.
    Abstract:
    Nisoldipine (Bay K5552), a newly-developed dehydropyridine derivative with calcium antagonistic properties, was found to have a duration of action twice as long as its parent compound, nifedipine, in laboratory experiments. To evaluate the anti-ischemic potency and duration of action, the effects of 10 mg nisoldipine after acute administration and at the end of three weeks of treatment with 10 mg twice daily were compared with those of 120 mg verapamil three times daily in a double-blind, randomized, crossover, placebo-controlled study. In twelve patients with angiographically-documented coronary artery disease and stable exertional angina pectoris, bicycle ergometry was performed before and at three and seven hours after medication on the first and 21st days of the three respective treatment phases. The control value at 8 a.m. on the 21st day corresponded with the ten-hour value on the 20th day of treatment. Between the three treatment phases, there was a one-week wash-out period during which the patients received placebo three times daily. At the time of the ergometric studies, blood was drawn for determination of verapamil plasma concentrations and, additionally, each patient recorded anginal attacks and nitrate consumption. Analysis was carried out for ST-segment depression in each patient at the highest comparable workload achieved in all treatment phases, the time to onset of 1 mm ST-segment depression as well as the response of the heart rate, systolic arterial blood pressure and the heart rate-blood pressure double-product both at rest and during exercise.(ABSTRACT TRUNCATED AT 250 WORDS)
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