ArticleFrontiers in public health2023
Drug behaviors, sexually transmitted infection prevention, and sexual consent during chemsex: insights generated in the Budd app after each chemsex session.
Article in Frontiers in public health, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Leveraging mHealth interventions to reduce sex- and drug-related risk behaviors among chemsex-involved men who have sex with men: evidence from a qualitative study.Harm reduction journal · 2026Article
- Drug Addiction in Gay and Bisexual Men Living with HIV Engaged in Sexualized Drug Use: Recent Drug Use, Polydrug and Depressive Symptoms as Predictors.AIDS and behavior · 2025Article
- Drugs Used in "Chemsex"/Sexualized Drug Behaviour-Overview of the Related Clinical Psychopharmacological Issues.Brain sciences · 2025Review
- Chemsex and its impact on gay and bisexual men who have sex with men: Findings from an online survey in Belgium.HIV medicine · 2025Article
- Polydrug use during chemsex: single and intersecting sexual effects of commonly used drugs.Frontiers in public health · 2025Review
- Assessing the Effectiveness of an mHealth Intervention to Support Men Who Have Sex With Men Engaging in Chemsex (Budd): Single-Case and Pre-Post Experimental Design Study.JMIR formative research · 2024Article
- Epidemiology and determinants of reemerging bacterial sexually transmitted infections (STIs) and emerging STIs in Europe.The Lancet regional health. Europe · 2023Review
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Chemsex refers to the intentional use of drugs before or during sex in a specific context, typically involving prolonged sex sessions with multiple partners. Engaging in chemsex is associated with a wide range of health risks and related risk behaviors. We developed a mobile phone application ('Budd-app') to support and inform chemsex participants, reduce potential negative impacts associated with chemsex (e.g., physical, psychological and social health harms), and encourage more reasoned participation. During Budd's development process, 11 participants completed a survey after each chemsex session they attended. This data collection approach provided precise experiences on drug related behavior, prevention measures for sexually transmitted infection and sexual consent on 63 chemsex sessions. The mean duration of chemsex sessions was 17.5 h. Polydrug use was reported during 95% of chemsex sessions with an average of 3.5 agents per session. Unsafe dosing occurred at 49% of chemsex sessions, and 9/11 participants dosed unsafely at least once. Seven participants did not consistently take measures to prevent STI transmission. Nine had experienced peer pressure, both regarding drug use and sexual health. The same number reported sex without consent, not respecting others' boundaries as well as their own boundaries not being respected. Many participants experienced negative impact of their chemsex behavior during (7/9) and after (8/9) chemsex. Through participants' behavior assessment during multiple chemsex sessions, 'within-person' variability can be clarified. This clarification provides valuable insights in personal, emotional and contextual vulnerabilities. These insights can direct an individualized care and support trajectory aimed at addressing those vulnerabilities.
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