Ninety-seven elderly patients with stable angina were included in a 28-week, randomized, double-blind, parallel-group comparison of amlodipine 5–10 mg and isosorbide mononitrate 25–50 mg once daily. The total exercise time, as limited by angina, was recorded together with the median incidence per week of angina attacks and glyceryl trinitrate consumption. Safety was assessed by adverse event frequency, measurement of vital signs and laboratory parameters, and quality of life. At the final visit, the total exercise time was significantly greater relative to baseline with amlodipine than isosorbide mononitrate (final/baseline difference: 112.2 vs. 32.2, p = 0.016). There were no statistically significant differences between the groups in relation to the incidence of adverse events. Once daily amlodipine provides significantly better control of stable angina than isosorbide mononitrate in this elderly population.

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