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High-risk human papillomavirus prevalence is associated with HIV infection among heterosexual men in Rakai, Uganda.

ABSTRACT: OBJECTIVES:Human papillomavirus (HPV) infection causes genital warts, penile cancer and cervical cancer. Africa has one of the highest rates of penile and cervical cancers, but there are little data on high-risk human papillomavirus (HR-HPV) prevalence in heterosexual men. Knowledge of HR-HPV prevalence, risk factors and genotype distribution among heterosexual men is important to establish risk-reduction prevention strategies. METHODS:1578 uncircumcised men aged 15-49 years who enrolled in male circumcision trials in Rakai, Uganda, were evaluated for HR-HPV from swabs of the coronal sulcus/glans using Roche HPV Linear Array. Adjusted prevalence risk ratios (adjPRRs) were estimated using modified Poisson multivariable regression. RESULTS:HPV prevalence (either high risk or low risk) was 90.7% (382/421) among HIV-positive men and 60.9% (596/978) among HIV-negative men (PRR 1.49, 95% CI 1.40 to 1.58). HIV-positive men had a significantly higher risk of infection with three or more HR-HPV genotypes (PRR=5.76, 95% CI 4.27 to 7.79). Among HIV-positive men, high-risk sexual behaviours were not associated with increased HR-HPV prevalence. Among HIV-negative men, HR-HPV prevalence was associated with self-reported genital warts (adjPRR 1.57, 95% CI 1.07 to 2.31). Among all men (both HIV negative and HIV positive), HR-HPV prevalence was associated with more than 10 lifetime sexual partners (adjPRR 1.30, 95% CI 1.01 to 1.66), consistent condom use (adjPRR 1.31, 95% CI 1.08 to 1.60) and HIV infection (adjPRR 1.80, 95% CI 1.60 to 2.02). HR-HPV prevalence was lower among men who reported no sexual partners during the past year (adjPRR 0.47, 95% CI 0.23 to 0.94). CONCLUSION:The burden of HR-HPV infection is high among heterosexual men in sub-Saharan Africa and most pronounced among the HIV-infected individuals.

SUBMITTER: Tobian AA

PROVIDER: S-EPMC3640492 | biostudies-literature | 2013 Mar

REPOSITORIES: biostudies-literature

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High-risk human papillomavirus prevalence is associated with HIV infection among heterosexual men in Rakai, Uganda.

Tobian Aaron A R AA Grabowski Mary K MK Kigozi Godfrey G Gravitt Patti E PE Eaton Kevin P KP Serwadda David D Nalugoda Fred F Wawer Maria J MJ Quinn Thomas C TC Gray Ronald H RH

Sexually transmitted infections 20120524 2

<h4>Objectives</h4>Human papillomavirus (HPV) infection causes genital warts, penile cancer and cervical cancer. Africa has one of the highest rates of penile and cervical cancers, but there are little data on high-risk human papillomavirus (HR-HPV) prevalence in heterosexual men. Knowledge of HR-HPV prevalence, risk factors and genotype distribution among heterosexual men is important to establish risk-reduction prevention strategies.<h4>Methods</h4>1578 uncircumcised men aged 15-49 years who e ...[more]

PMID: 22628661

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Project description:BackgroundRandomised trials show that male circumcision reduces the prevalence and incidence of high-risk human papillomavirus (HPV) infection in men. We assessed the efficacy of male circumcision to reduce prevalence and incidence of high-risk HPV in female partners of circumcised men.MethodsIn two parallel but independent randomised controlled trials of male circumcision, we enrolled HIV-negative men and their female partners between 2003 and 2006, in Rakai, Uganda. With a computer-generated random number sequence in blocks of 20, men were assigned to undergo circumcision immediately (intervention) or after 24 months (control). HIV-uninfected female partners (648 of men from the intervention group, and 597 of men in the control group) were simultaneously enrolled and provided interview information and self-collected vaginal swabs at baseline, 12 months, and 24 months. Vaginal swabs were tested for high-risk HPV by Roche HPV Linear Array. Female HPV infection was a secondary endpoint of the trials, assessed as the prevalence of high-risk HPV infection 24 months after intervention and the incidence of new infections during the trial. Analysis was by intention-to-treat. An as-treated analysis was also done to account for study-group crossovers. The trials were registered, numbers NCT00425984 and NCT00124878.FindingsDuring the trial, 18 men in the control group underwent circumcision elsewhere, and 31 in the intervention group did not undergo circumcision. At 24-month follow-up, data were available for 544 women in the intervention group and 488 in the control group; 151 (27·8%) women in the intervention group and 189 (38·7%) in the control group had high-risk HPV infection (prevalence risk ratio=0·72, 95% CI 0·60-0·85, p=0·001). During the trial, incidence of high-risk HPV infection in women was lower in the intervention group than in the control group (20·7 infections vs 26·9 infections per 100 person-years; incidence rate ratio=0·77, 0·63-0·93, p=0·008).InterpretationOur findings indicate that male circumcision should now be accepted as an efficacious intervention for reducing the prevalence and incidence of HPV infections in female partners. However, protection is only partial; the promotion of safe sex practices is also important.FundingThe Bill & Melinda Gates Foundation, National Institutes of Health, and Fogarty International Center.

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High-risk human papillomavirus prevalence is associated with HIV infection among heterosexual men in Rakai, Uganda.

Publications

High-risk human papillomavirus prevalence is associated with HIV infection among heterosexual men in Rakai, Uganda.

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