Ketamine reduces drinking in male, but not female, rats


The drug ketamine decreases alcohol consumption in male, but not female, rats, according to new research published in

eNeuro

. The findings suggest that ketamine may be a viable treatment option for male patients with an alcohol use disorder.

Prior studies found that ketamine reduces alcohol use disorder symptoms in both rats and humans, but the drug was administered once, rather than over a more realistic treatment time period. Ketamine is itself an addictive drug, so it is critical to examine how it affects patients over extended use.

Strong et al. divided male and female rats into groups based on how much alcohol they were prone to consume. The rats were allowed unrestricted access to alcohol three times a week. Three weeks later, ketamine treatments began.

Ketamine administration reduced alcohol consumption in high-consumption male rats, and the effects lasted at least three weeks after the ketamine treatments ended. Ketamine did not affect the habits of high-consumption female rats and increased drinking in low-consumption females. The female rats also displayed a higher risk of abusing ketamine compared to the male rats.

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Manuscript title: Sex and Individual Differences in Alcohol Intake are Associated with Differences in Ketamine Self-Administration Behaviors and Nucleus Accumbens Dendritic Spine Density

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About

eNeuro


eNeuro

is an online, open-access journal published by the Society for Neuroscience. Established in 2014,

eNeuro

publishes a wide variety of content, including research articles, short reports, reviews, commentaries and opinions.


About The Society for Neuroscience

The Society for Neuroscience is the world’s largest organization of scientists and physicians devoted to understanding the brain and nervous system. The nonprofit organization, founded in 1969, now has nearly 37,000 members in more than 90 countries and over 130 chapters worldwide.

This part of information is sourced from https://www.eurekalert.org/pub_releases/2019-11/sfn-krd111219.php

Calli McMurray
202-962-4000
[email protected]
http://www.sfn.org 

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