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Rezvani AH, Garges PL, Miller DB, Gordon CJ. 
“Attenuation of alcohol consumption by MDMA (ecstasy) in two strains of alcohol-preferring rats”. 
Pharmacol Biochem Behav. 1992;43(1):103-10.
Alcohol preference and manifestation of alcoholism are thought by many to be associated with serotonin (5-HT) dysfunction in the brain. Thus, experiments were performed to determine the effect of acute and subchronic administration of (+/-) 3,4-methylenedioxymethamphetamine (MDMA), an amphetamine analog that stimulates 5-HT release, on alcohol preference in two strains of alcohol-preferring rats, the Fawn-Hooded (FH) and alcohol-preferring (P) rats. Rats were individually housed and provided free access to a solution of 10% ethanol, food, and water. Ethanol, food, and water intakes were measured daily. After establishing a stable baseline for ethanol and water intake, each rat was injected SC with a dose of 5.0 mg/kg MDMA or an equal volume of saline for 1 or 3 consecutive days. Body temperature was recorded immediately before and 120, 240, and 360 min after MDMA treatment. Ethanol, food, and water intake were measured for the preceding 24 h. Further, to determine the effect of MDMA on alcohol metabolism rats were injected with 5.0 mg/kg MDMA or saline and 15 min later with 2.5 g/kg alcohol. Then, blood alcohol levels were determined at 1, 3, and 5 h after alcohol administration. Our results show that a single administration of 5.0 mg/kg MDMA significantly decreased ethanol intake in both FH and P rats and increased water intake. Subchronic administration of 5.0 mg/kg MDMA for 3 consecutive days significantly attenuated alcohol intake in both strains but only increased water intake in P rats. Administration of MDMA induced hyper- and hypothermia in FH and P rats, respectively. This drug failed to exert any significant effect on the pharmacokinetics of alcohol, indicating a central effect.(ABSTRACT TRUNCATED AT 250 WORDS)
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