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Related Experiment Videos

Paradigm to test a drug-induced aversion to ethanol.

E Garver1, A D Ross, G C Tu

  • 1Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, Philadelphia, PA 19107, USA.

Alcohol and Alcoholism (Oxford, Oxfordshire)
|October 7, 2000
PubMed
Summary

Researchers developed a rat model for alcoholism aversion therapy. Disulfiram treatment quickly taught rats to associate ethanol with illness, inhibiting further alcohol consumption.

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Area of Science:

  • Pharmacology
  • Neuroscience
  • Animal Models

Background:

  • Screening novel agents for alcoholism aversion therapy necessitates a straightforward animal model.
  • Existing models struggle with animals associating drug-induced malaise with prior ethanol consumption.

Purpose of the Study:

  • To establish an experimental paradigm where rats rapidly associate drug-induced malaise with ethanol ingestion.
  • To validate Disulfiram as a model drug for this aversive therapy screening model.

Main Methods:

  • Lewis rats were deprived of water and offered 6% ethanol solution.
  • Disulfiram (100 mg/kg) or vehicle was administered.
  • Ethanol consumption and plasma acetaldehyde levels were monitored.

Main Results:

Related Experiment Videos

  • Disulfiram-treated rats showed significantly elevated plasma acetaldehyde (40-50 microM vs 3-5 microM).
  • Disulfiram-treated rats reduced ethanol consumption by 90% after initial exposure.
  • Control rats continued consuming ethanol without significant aversion.

Conclusions:

  • The Disulfiram-ethanol reaction is effectively associated with alcohol ingestion in rats.
  • This model facilitates the testing of new agents for prolonged aldehyde dehydrogenase inhibition.
  • The model shows promise for developing novel aversive treatments for alcoholism.