Psilocybin in Alcohol Use Disorder With Comorbid Depression

"Two administrations of psilocybin given 3 weeks apart. The treatment day will begin around 9 a.m. with a brief interview. Patients will be invited to relax and music will be played through speakers and headphones.~One 25 mg capsule of Psilocybin will be given approximately 30 minutes to 1.5 hours later.~The patient is accompanied throughout the session (minimum 6 hours depending on the effects felt). The patient will benefit from a preparation session the day before dosing, and an integration session the day after. Intensive relapse prevention program will be dispensed between the 2 dosing sessions (treatment as usual)."

"Two administrations of psilocybin given 3 weeks apart. The treatment day will begin around 9 a.m. with a brief interview. Patients will be invited to relax and music will be played through speakers and headphones.~One 1 mg capsule of Psilocybin will be given approximately 30 minutes to 1.5 hours later.~The patient is accompanied throughout the session (minimum 6 hours depending on the effects felt). The patient will benefit from a preparation session the day before dosing, and an integration session the day after. Intensive relapse prevention program will be dispensed between the 2 dosing sessions (treatment as usual)."

"* Rest EEG prior to first treatment administration~* EEG during first treatment administration~* Rest EEG during integration session after second treatment administration"

Three 7ml EDTA tubes will be taken in the morning on an empty stomach at day 0 and at 3 weeks.

Stool sampling at day 0 and 3 weeks Analysis of intestinal microbiota is carried out on a stool sample, which is stored at -20°C for a maximum of 24 hours. The sample is then transferred cold to the CRB of the Nîmes University Hospital, where it is stored at -80°C until the microbiology laboratory can perform a group analysis.

MRI functional and cerebral at day 0 and 3 weeks