Substance Use Disorder in Chemsex Practice

"Descriptive, cross-sectional study This study is aimed at adult chemsex users over the last 12 months (having experimented with chemsex at least once over the last 12 months) and with a good understanding of French.~An online LimeSurvey-type self-questionnaire will be accessible via a URL link to collect and secure the data. A presentation of the study, information on chemsex and help and care services, as well as the information note will be available.~The questionnaire will be distributed via a QR code, giving direct access to the study's web page, or directly via the web link. Posters and flyers will be used in hospitals and/or private clinics, addictology centers, STI prevention and screening centers and associations, as well as via social networks, dating apps and sites, and the online and print press."