Comparative study of tiapride and neuroleptics with anti-dopamine activity on convulsive seizure in mice.

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The effects of tiapride on the convulsive seizures induced by pentylenetetrazole, strychnine, picrotoxin and bemegride, and on electric seizure are reported and compared with those of sulpiride, chlorpromazine, haloperidol and reserpine. The number of deaths and intensity of convulsion increased dosedependently and also with the increase in amplitude of electric shock. Tiapride and a similar compound, sulpiride, did not affect these seizures, whereas chlorpromazine potentiated strychnine-induced and electric seizure. Haloperidol and reserpine potentiated electric seizure, and chlorpromazine and reserpine tended to potentiate bemegride-induced seizure. Reserpine also tended to potentiate pentylenetetrazole-induced seizure. These results suggest that tiapride would be clinically safer than other drugs with anti-dopamine activity, except for sulpiride.
公益社団法人日本薬理学会の論文