Alcohol Use Disorder Clinical Trial
Official title:
The Effect of rTMS to the Prefrontal Cortex in Alcohol Use Disorder
The goal of this study is to investigate a treatment approach for alcohol use disorder (AUD) using a novel form of brain stimulation called deep repetitive transcranial magnetic stimulation (rTMS). The investigators will be targeting frontal regions of the brain that are important for memory and decision making. These brain regions have been shown to be impaired in patients with AUD. Previous studies have mostly used rTMS to a different frontal brain region that is not as deep. These studies have shown that rTMS can reduce craving for alcohol, but there is a lack of research showing that rTMS impacts alcohol consumption.
This study aims to examine the effect of rTMS on alcohol drinking behavior in an observed laboratory setting. Participants with AUD will be recruited and admitted to the inpatient unit for the whole study. After a brief detoxification period, they will receive 3 weeks of rTMS while in the research unit. Before and after the 3 weeks of stimulation, participants will participate in a decision-making experiment where they can choose to have an alcoholic drink or the equivalent amount of money that the drink would cost (alcohol self-administration sessions). The investigators will examine their response to alcohol, as well as their performance on tasks that relate to impulsivity and memory. Participants will also undergo an MRI scan (with spectroscopy) before and after the stimulation period to look at changes in the medial prefrontal cortex of the brain. Participants will then meet with a study physician for 6 weeks after the study for assessments of alcohol use and medical management sessions. ;
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