Eligibility Criteria:
Inclusion Criteria:
* Admission for inpatient alcohol withdrawal (planned or unplanned)
* Last alcohol consumption less than 24 hours before admission to hospital
* Active alcohol use disorder (DSM 5 criteria)
* Age 18 to 65 years
* Affiliation to a social welfare system or beneficiary of such a system.
Exclusion Criteria:
* Active use disorder of benzodiazepines, delta-9-tetrahydrocannabinol (THC), opioids, cocaine, amphetamines, new synthetic drug, gamma-hydroxybutyrate/gamma-butyrolactone, hallucinogens, assessed by interview
* Use in the previous 30 days of THC, opioids, cocaine, amphetamines, a new synthetic product, gamma-hydroxybutyrate/gamma-butyrolactone, hallucinogenic substances, assessed by questioning or positive by urine test,
* Patient on opioid maintenance therapy (methadone or buprenorphine)
* Presence of decompensated cirrhosis (Child Pugh score B or C) on admission or liver insufficiency with a TP \< 70%,
* Presence of severe acute alcoholic hepatitis (Maddrey score ≥32) on admission,
* Presence of chronic renal failure with a glomerular filtration rate of less than 60mL/minute/1.73m2 estimated by the Cockroft formula,
* Presence of acute renal failure,
* Presence of another condition that may cause brain damage :
* epileptic seizure, stroke, head trauma within the last three months,
* previously diagnosed severe cognitive impairment
* history or active infection with HIV, hepatitis C virus (HCV) or syphilis, known and noted in the medical record, collected in the history or noted in the systematic screening for sexually transmitted infections carried out for care,
* Patient with a language barrier (unable to follow the protocol or respond to clinical assessments),
* Hospitalization expected to be less than 15 days and not able to perform the protocol assay at D14,
* Pregnant, parturient or breastfeeding women,
* Person deprived of liberty by judicial or administrative decision,
* Person hospitalised without consent and not subject to a legal protection measure,
* Person subject to an exclusion period for other research,
* Adult person subject to a legal protection measure, adult person unable to express his or her consent and not subject to a protection measure.