Acute hepatitis C is being diagnosed in a high-risk sexual health cohort in Madrid, with most cases occurring among MSM and a substantial proportion reporting chemsex and slamsex. The findings also highlight a low spontaneous clearance rate and ongoing gaps in linkage to care.
The study identified 92 cases of acute or recent hepatitis C virus (HCV) infection between January 2023 and January 2025. Nearly all cases (98.9%) occurred in MSM, with most patients either living with HIV (76.1%) or using HIV PrEP (20.7%).
Chemsex was reported by 78.3% of patients. In this study, chemsex refers to the intentional use of psychoactive substances in sexual contexts. Within this subgroup, 52.8% also reported slamsex, defined as injecting of drugs during sexual activity.
Of the 54 with additional available data, 17 had concurrent sexually transmitted infections, indicating overlapping sexual health risks in this cohort.
Source : European Medical Journal
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