Effectiveness of tDCS on Reducing Craving in Patients Practicing Chemsex: a Single-center, Double-blind, Randomized Controlled Pilot Trial

"* 1 session/day for 5 consecutive days~* stimulation at an intensity of 2 mA for the active tDCS group and sham stimulation (using the device's sham mode) for the placebo group"

Assessment of risk behaviours (retrospective exploration by the categorical rating of frequency: At least once a day - Several times a week several times a week - once a week - several times a month - once a month - less than once a month - never). times a month - Once a month - Less than once a month - Never)

EVA craving index for chemsex Maximum VAS craving in the week preceding assessment for chemsex, sexual practices and use of psychoactive substances, HAqII, CSBD-19, modified CCQ-brief, SDI, BDI-II