(R)-Ketamine reduces alcohol intake and alcohol seeking induced by reconsolidation of alcohol-related memories in female Marchigian Sardinian alcohol-preferring rats

Alcohol use disorder (AUD) represents a significant medical challenge, with available therapeutic approaches having limited efficacy. Emerging data suggest that psychedelic compounds could represent an alternative treatment for AUD. Among this class of molecules, ketamine, a dissociative psychedelic...

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Main Authors: Ciccocioppo, Elisabetta (Author) , Massetti, Sara (Author) , Meinhardt, Marcus W. (Author) , Fumagalli, Fabio (Author) , Romualdi, Patrizia (Author) , Roberto, Marisa (Author) , Spanagel, Rainer (Author) , Ciccocioppo, Roberto (Author) , Domi, Esi (Author)
Format: Article (Journal)
Language:English
Published: 15 November 2025
In: Psychopharmacology

ISSN:1432-2072
DOI:10.1007/s00213-025-06964-y
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1007/s00213-025-06964-y
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Author Notes:Elisabetta Ciccocioppo, Sara Massetti, Marcus W. Meinhardt, Fabio Fumagalli, Patrizia Romualdi, Marisa Roberto, Rainer Spanagel, Roberto Ciccocioppo, Esi Domi
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Summary:Alcohol use disorder (AUD) represents a significant medical challenge, with available therapeutic approaches having limited efficacy. Emerging data suggest that psychedelic compounds could represent an alternative treatment for AUD. Among this class of molecules, ketamine, a dissociative psychedelic, shows promising properties. It reduces alcohol drinking in rodents and in humans it is used to treat depression, a condition often comorbid with AUD. Unfortunately, the marked dissociative and anesthetic effects of this molecule severely limit its therapeutic application. Ketamine is a racemic mixture of (S, R)-enantiomers, and the R-enantiomer possesses lower dissociative and anesthetic properties compared to the racemic mixture.
Item Description:Gesehen am 12.01.2026
Physical Description:Online Resource
ISSN:1432-2072
DOI:10.1007/s00213-025-06964-y