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Alcohol. 1989 Jul-Aug;6(4):297-301.

Brain adenosine modulation of behavioral interactions between ethanol and carbamazepine in mice.

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  • 1Department of Pharmacology, School of Medicine, East Carolina University, Greenville, NC 27858.


The effect of the anticonvulsive drug carbamazepine on ethanol-induced motor incoordination and loss-of-righting reflex was investigated in male CD-1 mice. The results of the investigation showed that carbamazepine significantly potentiated the motor incoordinating effect of ethanol in a dose-dependent fashion. Although carbamazepine did not alter the onset time, it significantly prolonged the duration of ethanol-induced loss-of-righting reflex. Pretreatment with theophylline significantly attenuated the carbamazepine-induced potentiation of ethanol-induced motor incoordination and loss-of-righting reflex. Results from a blood ethanol study indicated no effect of carbamazepine on the clearance of ethanol. The data suggest the involvement of nonadenosinergic mechanism in carbamazepine-ethanol behavioral interactions which is responsible for the accentuating effects of carbamazepine on ethanol-induced motor incoordination and duration of loss-of-righting reflex.

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