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  • Title: [Characteristics of the anti-arrhythmic action of 3-carbethoxyamino-5-dimethylaminoacetyl-imino-dibenzyl hydrochloride (Bonnecor, AWD 19-166, GS 015)].
    Author: Kaverina NV, Berdjajev SJ, Darinskij NV.
    Journal: Pharmazie; 1985 Dec; 40(12):840-4. PubMed ID: 3841598.
    Abstract:
    The action of GS 015, a substance out of the series of the novel 5-(dialkyl-amino-acyl)-3-carbalkoxyamino-10,11-dihydro-5H-dibenz[b ,f]azepines, on the alteration of the bioelectric activity in the sympathetic nerves of the heart in case of disturbed cardiac rhythm and ventricular fibrillation was tested on anaesthetized cats. The arrhythmias were induced by two different methods: Artificial electric induction by high-frequency electrical stimulation of the ventricles, occlusion and reperfusion of the anterior descending branch of the arteria coronaria sinistra. GS 015 decreases the tonic bioelectric activity in the sympathetic nerves of the heart and prevents their activation in case of disturbed rhythm which is provoked or by electric stimulation or by occlusion of the coronary artery. With an electric stimulation of the ventricles GS 015, given at doses of 0.5, 1.0, and 2.0 mg/kg, decreases the maximally reproducible frequency in dependence on the dose, which corresponds to an increase of the effective refractory period. At the same time the fibrillation threshold of the ventricles is enhanced in a very intense and long-lasting manner excelling considerably the action of the reference preparations Ethmozin and lidocaine. It may be concluded from the present results that the antiarrhythmic and antifibrillatory effects of GS 015 are basing not only on its immediate action on the myocardial cell but also on a decrease of the activity in the sympathetic nerves of the heart.
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