Lack of pro-convulsant activity of the antipsychotic alkaloid alstonine

Journal of Ethnopharmacology
L Costa-CamposElaine Elisabetsky

Abstract

Psychiatry co-morbidity with epilepsy is common and often requires the combined use of psychotropic and antiepileptic drugs (AEDs). For schizophrenic patients, the occurrence of seizures with atypical agents is highest among antipsychotics, although these agents are more effective in alleviating symptoms (including negative symptoms) and are associated with fewer extrapiramidal effects. The indol alkaloid alstonine is the major component of plants used by traditional Nigerian psychiatrists as anti-dementia drugs. The alkaloid presents an experimental profile very similar to the atypical antipsychotic clozapine. This study aimed to compare the pro-convulsant activity of these two antipsychotic compounds. Through repetitive administration over a 30-day period in a kindling paradigm, it is shown that, unlike clozapine, alstonine does not possess pro-convulsant activity. The data adds to previous suggestions that alstonine deserves to be scrutinized as a model for the development of newer antipsychotics.

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Citations

Mar 30, 2012·Chinese Journal of Integrative Medicine·Manjeshwar Shrinath Baliga
Sep 4, 2012·Neurochemistry International·Ana P HerrmannElaine Elisabetsky
Feb 5, 2009·Evidence-based Complementary and Alternative Medicine : ECAM·Viviane M LinckElaine Elisabetsky

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