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Post a Comment Study of antiarrhythmic activity 2-(n-butylpyrrolidine)-N-(2-bromophenyl)carboxamide hydrochloride
- Authors: Rudakova I.P.1, Chashchina S.V.1, Starkova A.V.1
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Affiliations:
- Perm State Pharmaceutical Academy
- Issue: Vol 41, No 1 (2024)
- Pages: 154-161
- Section: Biology and experimental medicine
- URL: https://journals.rcsi.science/PMJ/article/view/254855
- DOI: https://doi.org/10.17816/pmj411154-161
- ID: 254855
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Abstract
Objective. To study the efficacy of a new derivative 2-(alkylpyrrolidine)-N-(aryl)carboxamide with high antiarrhythmic activity.
Materials and methods. To study the antiarrhythmic activity of the compound, the experiment was carried out on models of arrhythmia caused by intravenous administration of aconitine and adrenaline. The effect was estimated by its ability to prevent the onset of arrhythmia, prolong the survival time of the animals or by the duration of an arrhythmia attack. In addition, the electrocardiogram of awake rats was analyzed. The studied compound and the comparison drug (lidocaine) were injected to the animals intravenously in effective antiarrhythmic doses.
Results. In aconitine arrhythmia 2-(n-butylpyrrolidine)-N-(2-bromophenyl) carboxamide hydrochloride provides statistically significant limitation of the duration of arrhythmia attacks in experimental animals (1.7 times) in comparison with the control and also reduction of arrhythmia duration in comparison with
lidocaine (2.5 times); besides, this compound guarantees animals’ survival in 100 % of cases. When causing
arrhythmia by adrenaline administration, the compound does not prevent the occurrence of cardiac rhythm disorder. The electrocardiogram readings of animals do not change significantly.
Conclusions. 2-(n-butylpyrrolidine)-N-(2-bromophenyl) carboxamide hydrochloride (compound K-23) shows visible activity in models of arrhythmia caused by administration of aconitine and calcium chloride, which may indicate its ability to impede the sodium flow through the cell membrane by slowing depolarization of cardiomyocytes.
Since the compound studied, demonstrates high antiarrhythmic activity without changing the ECG readings, the drug created on its basis may be effective.
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##article.viewOnOriginalSite##About the authors
Irina P. Rudakova
Perm State Pharmaceutical Academy
Author for correspondence.
Email: rudakova.i@list.ru
ORCID iD: 0000-0003-2227-8313
MD, PhD, Associate Professor, Head of the Department of Physiology
Russian Federation, PermS. V. Chashchina
Perm State Pharmaceutical Academy
Email: perm@pfa.ru
ORCID iD: 0000-0003-4427-310X
Candidate of Biological Sciences, Associate Professor of the Department of Physiology
Russian Federation, PermA. V. Starkova
Perm State Pharmaceutical Academy
Email: perm@pfa.ru
ORCID iD: 0009-0004-2545-5180
MD, PhD, Professor of the Department of Physiology
Russian Federation, PermReferences
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