Epidemiology of anal human papillomavirus infection and high-grade squamous intraepithelial lesions in 29 900 men according to HIV status, sexuality, and age: a collaborative pooled analysis of 64 studies

Feixue Wei, Michael M. Gaisa, Gypsyamber D'Souza, Ningshao Xia, Anna R. Giuliano, Stephen E. Hawes, Lei Gao, Shu Hsing Cheng, Maria Gabriella Donà, Stephen E. Goldstone, Maarten F. Schim van der Loeff, Karin Neukam, Elissa Meites, I. Mary Poynten, Jianghong Dai, Jean Damien Combes, Ulrike Wieland, Joaquin Burgos, Timothy J. Wilkin, Alexandra L. HernandezMauricio Iribarren Díaz, Carmen Hidalgo-Tenorio, Marleny Valencia Arredondo, Alan G. Nyitray, Nicolas Wentzensen, Eric Pf Chow, Vitaly Smelov, Rebecca G. Nowak, Nittaya Phanuphak, Yin Ling Woo, Yoojin Choi, Yifei Hu, Alice M. Schofield, Petra J. Woestenberg, Admire T. Chikandiwa, Andrew C. Hickey, Alexandra de Pokomandy, Gad Murenzi, Hélène Péré, Marta Del Pino, Ana P. Ortiz, Angella Charnot-Katsikas, Xing Liu, Suwat Chariyalertsak, Carol Strong, Jason J. Ong, Evy Yunihastuti, Isabelle Etienney, Valentine M. Ferré, Huachun Zou, Michel Segondy, Simbarashe Chinyowa, Catharina J. Alberts, Gary M. Clifford

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Abstract

BACKGROUND: Robust age-specific estimates of anal human papillomavirus (HPV) and high-grade squamous intraepithelial lesions (HSIL) in men can inform anal cancer prevention efforts. We aimed to evaluate the age-specific prevalence of anal HPV, HSIL, and their combination, in men, stratified by HIV status and sexuality. METHODS: We did a systematic review for studies on anal HPV infection in men and a pooled analysis of individual-level data from eligible studies across four groups: HIV-positive men who have sex with men (MSM), HIV-negative MSM, HIV-positive men who have sex with women (MSW), and HIV-negative MSW. Studies were required to inform on type-specific HPV infection (at least HPV16), detected by use of a PCR-based test from anal swabs, HIV status, sexuality (MSM, including those who have sex with men only or also with women, or MSW), and age. Authors of eligible studies with a sample size of 200 participants or more were invited to share deidentified individual-level data on the above four variables. Authors of studies including 40 or more HIV-positive MSW or 40 or more men from Africa (irrespective of HIV status and sexuality) were also invited to share these data. Pooled estimates of anal high-risk HPV (HR-HPV, including HPV16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, and 68), and HSIL or worse (HSIL+), were compared by use of adjusted prevalence ratios (aPRs) from generalised linear models. FINDINGS: The systematic review identified 93 eligible studies, of which 64 contributed data on 29 900 men to the pooled analysis. Among HIV-negative MSW anal HPV16 prevalence was 1·8% (91 of 5190) and HR-HPV prevalence was 6·9% (345 of 5003); among HIV-positive MSW the prevalences were 8·7% (59 of 682) and 26·9% (179 of 666); among HIV-negative MSM they were 13·7% (1455 of 10 617) and 41·2% (3798 of 9215), and among HIV-positive MSM 28·5% (3819 of 13 411) and 74·3% (8765 of 11 803). In HIV-positive MSM, HPV16 prevalence was 5·6% (two of 36) among those age 15-18 years and 28·8% (141 of 490) among those age 23-24 years (ptrend=0·0091); prevalence was 31·7% (1057 of 3337) among those age 25-34 years and 22·8% (451 of 1979) among those age 55 and older (ptrend<0·0001). HPV16 prevalence in HIV-negative MSM was 6·7% (15 of 223) among those age 15-18 and 13·9% (166 of 1192) among those age 23-24 years (ptrend=0·0076); the prevalence plateaued thereafter (ptrend=0·72). Similar age-specific patterns were observed for HR-HPV. No significant differences for HPV16 or HR-HPV were found by age for either HIV-positive or HIV-negative MSW. HSIL+ detection ranged from 7·5% (12 of 160) to 54·5% (61 of 112) in HIV-positive MSM; after adjustment for heterogeneity, HIV was a significant predictor of HSIL+ (aPR 1·54, 95% CI 1·36-1·73), HPV16-positive HSIL+ (1·66, 1·36-2·03), and HSIL+ in HPV16-positive MSM (1·19, 1·04-1·37). Among HPV16-positive MSM, HSIL+ prevalence increased with age. INTERPRETATION: High anal HPV prevalence among young HIV-positive and HIV-negative MSM highlights the benefits of gender-neutral HPV vaccination before sexual activity over catch-up vaccination. HIV-positive MSM are a priority for anal cancer screening research and initiatives targeting HPV16-positive HSIL+. FUNDING: International Agency for Research on Cancer.

Original languageEnglish
Pages (from-to)e531-e543
Number of pages13
JournalThe Lancet HIV
Volume8
Issue number9
DOIs
Publication statusPublished - Sep 2021

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