Pharmacological reports : PR · 2015
Interactions between an antidepressant reboxetine and four classic antiepileptic drugs in the mouse model of myoclonic seizures.
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Popławska Monika, Wróblewska Dorota, Borowicz Kinga K
Аннотация
BACKGROUND: The incidence rate of depression among patients with epilepsy is relatively high. The basis of proper therapy is knowledge of drug interactions, which may enable to maximize therapeutic effects and minimize undesired effects of the combined treatment. The purpose of this study was to evaluate the influence of reboxetine, a selective norepinephrine reuptake inhibitor, on the seizure threshold and anticonvulsant effects of four classic antiepileptic drugs: valproate, phenobarbital, ethosuximide, and clonazepam. Moreover, we assessed the adverse effects of reboxetine and combinations of reboxetine with antiepileptic drugs on motor coordination and long-term memory.
METHODS: The subcutaneous pentylenetetrazole (PTZ) test in mice was used to determine effects of anticonvulsant activity of antiepileptic drugs and reboxetine. Undesired effects of either reboxetine or and its combinations with antiepileptics were evaluated in the chimney test (motor coordination) and the step-through passive-avoidance task (long-term memory).
RESULTS: Analysis of obtained results revealed that reboxetine given at doses of 10 and 15 mg/kg doses exhibits anticonvulsant activity expressed by increasing the median convulsive dose (CD(50)) for pentylenetetrazole (p < 0.01). However, the antidepressant did not affect the anticonvulsant action of antiepileptic drugs studied in this seizure model. Moreover, no adverse reactions were found after administration of reboxetine alone or in combinations.
CONCLUSION: If further research confirms the obtained results, reboxetine may be categorized as an antidepressant which can be safely administered to epileptic patients treated with valproate, phenobarbital, ethosuximide or clonazepam.
METHODS: The subcutaneous pentylenetetrazole (PTZ) test in mice was used to determine effects of anticonvulsant activity of antiepileptic drugs and reboxetine. Undesired effects of either reboxetine or and its combinations with antiepileptics were evaluated in the chimney test (motor coordination) and the step-through passive-avoidance task (long-term memory).
RESULTS: Analysis of obtained results revealed that reboxetine given at doses of 10 and 15 mg/kg doses exhibits anticonvulsant activity expressed by increasing the median convulsive dose (CD(50)) for pentylenetetrazole (p < 0.01). However, the antidepressant did not affect the anticonvulsant action of antiepileptic drugs studied in this seizure model. Moreover, no adverse reactions were found after administration of reboxetine alone or in combinations.
CONCLUSION: If further research confirms the obtained results, reboxetine may be categorized as an antidepressant which can be safely administered to epileptic patients treated with valproate, phenobarbital, ethosuximide or clonazepam.