A brief intervention is often effective for patients with mild alcohol use disorder (AUD), but it is not effective for most patients with severe AUD or alcohol dependence to reduce alcohol intake. Nalmefene (Selincro®), an opioid receptor modulator, was approved in Japan in 2019. Nalmefene was administered to 18 outpatients with alcohol-related liver diseases. Five patients stopped coming to the hospital without notice, and two patients stopped taking medicine due to dizziness. Thus, 11 patients were noted to have reduced amount of alcohol intake at 24 weeks of using nalmefene. However, one of these patients was referred to a hospital specializing in alcohol dependence thereafter. Thus, the use of nalmefene provides a new concept for AUD treatment (i. e., alcohol intake reduction). However, some adverse events are noted, such as nausea and dizziness. Therefore, physicians with more experience with AUD treatment should use the drugma.
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