ArticleVaccines2025
Heterogeneity in Prevalence, Incidence, and Clearance of Anal Human Papillomavirus Among HIV-Negative and HIV-Positive Men Who Have Sex with Men in China: An Observational Cohort Study.
Article in Vaccines, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Incidence, recurrence, and determinants of sexually transmitted infections among people with HIV: a multicenter cohort study in China, 2010-2024, with implications for integrated HIV-STI prevention across the Western Pacific.The Lancet regional health. Western Pacific · 2026Article
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Abstract
backgroundMen who have sex with men (MSM) are at high risk for anal human papillomavirus (HPV) infection, with HIV-positive MSM bearing the highest disease burden. Longitudinal data on anal HPV infection among HIV-negative and HIV-positive MSM are limited. We assessed and compared the prevalence, incidence, and clearance of anal HPV infection among HIV-negative and HIV-positive MSM in Xinjiang, China.
methodsSexually active HIV-positive and HIV-negative MSM aged 18 years and older have been enrolled in an ongoing observational cohort study of HPV since 1 September 2016, in Xinjiang, China. Participants were followed up on every 6 months with anal HPV testing and questionnaires regarding sexual behaviors. We compared HPV prevalence, incidence, and clearance between HIV-positive and HIV-negative MSM. Prevalence ratios (PRs), incidence rate ratios (IRRs), and clearance rate ratios (CRRs) for HIV-negative and HIV-positive MSM were calculated.
resultsA total of 1425 MSM, including 131 HIV-positive and 1294 HIV-negative individuals, with a median age of 29 years (interquartile range [IQR]: 24 to 36), were included in our analysis. Compared with HIV-negative MSM, HIV-positive MSM demonstrated significantly higher prevalence across both individual and grouped HPV genotypes. Specifically, the prevalence of grouped HPV genotypes (any, high-risk, low-risk, 9v, 4v, HPV16/18, and HPV 6/11) was consistently elevated in HIV-positive individuals. PRs for individual HPV types 31, 45, 34, 44, 53, and 81 were 2.47 (95% CI: 1.16-5.25), 2.47 (1.10-5.54), 4.94 (1.25-19.52), 3.29 (1.08-10.06), 2.02 (1.01-4.04), and 2.66 (1.18-6.01), respectively. Furthermore, the incidence of most individual HPV genotypes were higher, while the clearance rates were lower among HIV-positive MSM. Specifically, IRRs for HPV types 31, 33, 45, 55, and 66 were 2.12 (1.19-3.75), 2.19 (1.24-3.90), 2.32 (1.17-4.59), 3.02 (1.15-7.93), and 2.44 (1.18-5.05), respectively. CRRs for HPV types 51 and 58 were 0.33 (0.21-0.52) and 0.60 (0.45-0.79), respectively.
conclusionsHPV prevalence, incidence, and clearance of anal HPV exhibited heterogeneity between HIV-positive and HIV-negative MSM. HPV vaccination and condom promotion programs should be recommended for HIV-positive MSM to mitigate the burden of HPV infection in this vulnerable population.
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