This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. The subproject and investigator (PI) may have received primary funding from another NIH source, and thus could be represented in other CRISP entries. The institution listed is for the Center, which is not necessarily the institution for the investigator. The present study will examine the effects of a drug called naltrexone on how individuals respond to moderate doses of alcohol (the equivalent of 2-3 drinks). Naltrexone is a drug that competes for opioid receptors in the brain and has been approved by the FDA for the treatment of opioid and alcohol dependence. This study will also examine a genetic variant of an opioid receptor gene and will test whether this genetic variant influences how people respond to naltrexone when they drink alcohol.
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