Short- and long-term effects of molsidomine retard and molsidomine nonretard on exercise capacity and clinical status in patients with stable angina: a multicenter randomized double-blind crossover placebo-controlled trial

R Messin, Y Karpov, N Baikova, J Bruhwyler, M J Monseu, C Guns, J G├ęczy
Journal of Cardiovascular Pharmacology 1998, 31 (2): 271-6
A multicenter, randomized, double-blind, crossover, placebo-controlled study was conducted in 90 isosorbide dinitrate responders showing stable angina to compare the efficacy of molsidomine retard, 8 mg b.i.d., with that of molsidomine, 4 mg t.i.d., for 6 weeks. Total work performance (workload x min) was significantly improved, compared with baseline and placebo until 8 and 12 h after molsidomine and molsidomine retard administration, respectively. ST-segment depression decreased significantly under the two treatments at 60 W as well as at maximal exercise. The rate-pressure product (heart rate x systolic blood pressure) decreased and increased significantly at submaximal and maximal exercise level, respectively. All these effects remained significant after 6-week treatment, with only the ST segment showing a nonsignificant tendency to improvement at maximal work. The frequency of anginal attacks and of sublingual nitroderivative-tablets consumption decreased significantly with molsidomine, 4 mg, and molsidomine retard, 8 mg. However, overall results showed that the latter form reduces myocardial ischemia more efficiently at submaximal exercise level, has a more prolonged effect on exercise tolerance, and maintains it at a somewhat higher level after 6-week treatment.


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