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Dernière publication 14/04/2009

Indapamide enhances the protective action of carbamazepine- phenobarbital- and v

Purpose: To determine the influence of indapamide on the protective action of numerous conventional and second-generation antiepileptic drugs...

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    [title] => Indapamide enhances the protective action of carbamazepine- phenobarbital- and v
    [paragraph] => Indapamide enhances the protective action of carbamazepine, phenobarbital, and valproate against maximal electroshock-induced seizures in mice.
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Authors
J. Kozinska, K. M. Sawicka, A. Zadrozniak, E. Wojda, M. Andres-Mach et al.

 Lab
Medical University, Department of Pathophysiology, and Institute of Agricultural Medicine, Department of Physiopathology, Lublin, Poland.
Journal
Advances in Medical Sciences
Abstract
Purpose: To determine the influence of indapamide on the protective action of numerous conventional and second-generation antiepileptic drugs (carbamazepine, lamotrigine, oxcarbazepine, phenobarbital, topiramate and valproate) in the mouse maximal electroshock seizure model. Material and Methods: Electroconvulsions were evoked in Albino Swiss mice by a current (sine-wave, 0.2 s stimulus duration) delivered via auricular electrodes. Adverse-effect profiles with respect to motor performance, long-term memory and skeletal muscular strength were measured along with total brain antiepileptic drug concentrations. Results: Indapamide (up to 3 mg/kg, i.p., 120 min before the test) neither altered the threshold for maximal electroconvulsions, nor protected the animals against maximal electroshock-induced seizures in mice. Moreover, indapamide (3 mg/kg, i.p.) significantly enhanced the anticonvulsant action of carbamazepine, phenobarbital and valproate, but not that of lamotrigine, oxcarbazepine or topiramate in the maximal electroshock seizure test in mice. Indapamide (1.5 mg/kg) had no impact on the anticonvulsant action of all studied antiepileptic drugs in the maximal electroshock seizure test in mice. Estimation of total brain antiepileptic drug concentrations revealed that the observed interaction between indapamide and phenobarbital was complicated by a significant pharmacokinetic increase in total brain concentrations of phenobarbital. In contrast, indapamide had no impact on the total brain concentrations of carbamazepine and valproate in mice. Conclusions: The selective potentiation of the anticonvulsant action of carbamazepine and valproate by indapamide and lack of any pharmacokinetic interactions between drugs, make the combinations of indapamide with carbamazepine or valproate of pivotal importance for epileptic patients taking these drugs together.
BIOSEB Instruments Used
Grip strength test (BIO-GS3)
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Une méthode simple pour quantifier objectivement la force musculaire des rats et souris et l'effet de drogues, toxines, maladies musculaires (ex: myopathie) et neurodégénératives. Cette mesure de force est souvent employée en association avec le test de coordination motrice ROTAROD: un sujet présentant une coordination normale montrera des résultats médiocres en cas de faible force musculaire. Un must pour vos recherches sur l'activité, la coordination et le contrôle musculaire: particulièrement utile pour vos études sur les maladies de Parkinson et Huntington.
Nouveautés GS4 - 2023: Écran couleur rétroéclairé (meilleure lisibilité), pédale de remise à zéro, durée de batterie optimisée, taille de mémoire augmentée à 500 valeurs, compteur d'animaux, port USB (transfert de données/charge)

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