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RESEARCH ARTICLE (Open Access)

Slamsex in The Netherlands among men who have sex with men (MSM): use patterns, motives, and adverse effects

Leon Knoops https://orcid.org/0000-0002-8041-7855 A * , Jan van Amsterdam https://orcid.org/0000-0002-8847-4387 B C , Thijs Albers D , Tibor Markus Brunt B C and Wim van den Brink A B C
+ Author Affiliations
- Author Affiliations

A Mainline, PO Box 58303, 1040 HH Amsterdam, The Netherlands.

B Department of Psychiatry, Amsterdam UMC, Location University of Amsterdam, Meibergdreef 9, PO Box 22660, 1100 DD Amsterdam, The Netherlands.

C Amsterdam Neuroscience, Research Program Compulsivity, Impulsivity and Attention, Amsterdam, The Netherlands.

D Interdisciplinary Social Science, Social Policy and Public Health, University of Utrecht, Heidelberglaan 8, 3584 CS Utrecht, The Netherlands.

* Correspondence to: l.knoops@mainline.nl

Handling Editor: Jami Leichliter

Sexual Health 19(6) 566-573 https://doi.org/10.1071/SH22140
Submitted: 3 May 2022  Accepted: 6 September 2022   Published: 26 September 2022

© 2022 The Author(s) (or their employer(s)). Published by CSIRO Publishing. This is an open access article distributed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND)

Abstract

Background: This paper describes an online survey of men who have sex with men (MSM) and use drugs before or during sex (‘chemsex’) via injection (‘slamming’ or ‘practising slamsex’). Approximately 15–30% of the MSM population in The Netherlands have practiced chemsex at some point, and 0.5–3.1% of them ever had ‘slamsex’. This study investigates which substances are used in The Netherlands during slamsex, the motives for slamming and the health risks involved.

Method: In total, 175 MSM from The Netherlands, who had used substances before or during sex via injection completed an ad hoc online questionnaire designed for this study.

Results: Mean age of respondents was 47.8 years. During chemsex, almost every substance was used; the most common substances that were injected (slammed) were 3-methylmethcathinone (3-MMC), methamphetamine, ketamine, 4-methylethcathinone (4-MEC) and mephedrone (4-MMC). Reasons for slamming were mainly to experience a more intense rush and longer sex. Virtually none of the respondents used a condom during slamsex, but needles were almost never shared or used only once. Slammers reported health problems associated with injecting drugs (skin problems, collapsed veins and infections). Of most concern were the psychological symptoms reported by about three-quarters of respondents (e.g. insomnia, sadness, depressed mood, anxiety, suicidal tendencies). About half of respondents reported some degree of loss of control or concerns about their slamming behaviour.

Conclusion: Results show that slamsex is associated with consciously chosen sexual risk behaviours and risk-avoidance slam behaviours. This study may contribute to the reinforcement of accessible, non-judgmental and well informed prevention and harm reduction activities to support MSM practising slamsex.

Keywords: cathinones, chemsex, injection, methamphetamine, MSM, slamming, slamsex.


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