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  • Title: Effects of felodipine on haemodynamics and exercise capacity in patients with angina pectoris.
    Author: Sheridan JV, Thomas P, Routledge PA, Sheridan DJ.
    Journal: Br J Clin Pharmacol; 1987 Apr; 23(4):391-6. PubMed ID: 3107605.
    Abstract:
    We studied the effects of adding felodipine to beta-adrenoceptor blockade on haemodynamics and exercise capacity in 14 patients with stable angina pectoris using a placebo controlled double-blind crossover protocol. Felodipine reduced supine and standing systolic pressure by 13% (P less than 0.01) and 14% (P less than 0.01) respectively and increased supine heart rate 7.4% (P less than 0.05). Felodipine at a plasma concentration of 15.5 +/- 3.0 nmol l-1 increased exercise duration by 16% (P less than 0.01) but failed to attenuate the degree of ST segment depression during exercise. The mean daily number of episodes of angina (0.53 +/- 0.16 on placebo vs 0.37 +/- 0.11 on felodipine) and mean daily GTN consumption (0.51 +/- 0.07 on placebo vs 0.36 +/- 0.12 on felodipine) were not significantly reduced (0.1 less than P greater than 0.05). These findings suggest that felodipine may provide useful additional benefits in patients with hypertension or angina pectoris, who are already receiving beta-adrenoceptor blockers.
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