ArticleInternational journal of STD & AIDS2026
From chemsex to a broader drug-use for sex landscape: Comparing two cross-sectional surveys on men who have sex with men in Italy.
Article in International journal of STD & AIDS, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
BackgroundDrug-use in sexual settings among men who have sex with men (MSM) is increasing across Europe and is a key driver of sexually transmitted infections (STIs). Chemsex is evolving with increasing use of new psychoactive substances and diversification of context, shifting from private homes to diverse settings. Our aim was to assess changes in drug-use for sex among MSM who attended our STI/HIV reference center in two different periods over the last 8 years.MethodsWe compared two cross-sectional surveys conducted at the STI/HIV center of the San Gallicano Dermatological Institute (Rome, Italy) in 2018 (using paper-based, self-administered questionnaires) and 2024-2025 (using online self-administered questionnaires). The main outcome was the self-reported sexualized drug-use and chemsex (i.e., use of any of the three classic "chems": crystal methamphetamine, mephedrone, and GHB/GBL) in the previous year. Proportions were compared using Fisher's exact test or chi-square test, as appropriate.ResultsThe surveys included 354 MSM in 2018 and 331 MSM in 2024-2025. Overall, chemsex significantly increased from 5.1% in 2018 to 19.0% in 2024-2025 (
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