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  • Title: MDL 72222, a selective 5-HT3 receptor antagonist, suppresses voluntary ethanol consumption in alcohol-preferring rats.
    Author: Fadda F, Garau B, Marchei F, Colombo G, Gessa GL.
    Journal: Alcohol Alcohol; 1991; 26(2):107-10. PubMed ID: 1878073.
    Abstract:
    The effect of the selective 5-HT3 receptor antagonist MDL 72222 on voluntary ethanol consumption was examined in Sardinian ethanol-preferring (SP) rats in a free choice (10% ethanol and water) experiment. SP rats consumed 8.1 +/- 1.1 g/kg ethanol daily. MDL 72222 treatment (3.0, 5.0 and 7.0 mg/kg i.p. 3 times daily for 6 days) inhibited ethanol consumption during the 6 days of treatment by 25%, 50% and 75%, respectively, without modifying total fluid intake. We suggest that 5-HT3 receptor activation plays a permissive role in alcohol preference.
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