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Male circumcision and herpes simplex virus type 2 infection in female partners: a randomized trial in Rakai, Uganda.

ABSTRACT: Male circumcision reduces acquisition of herpes simplex virus type 2 (HSV-2) in men. We assessed whether male circumcision reduces HSV-2 infection among female partners. HSV-2-negative, human immunodeficiency virus-negative female partners of 368 males who were and 372 males who were not randomized to receive male circumcision were enrolled. The incidence of HSV-2 infection among females over a period of 2 years was 6.09 cases per 100 person-years in the intervention arm and 6.32 cases per 100 person-years in the control arm (incidence rate ratio [IRR], 0.96 [95% confidence interval {CI}, .62-1.49]; P = .87). Among female partners of HSV-2-positive males, the incidence of HSV-2 infection was 9.55 cases per 100 person-years in the intervention arm and 11.17 cases per 100 person-years in the control arm (IRR, 0.85 [95% CI, .44-1.67]; P = .62). Contrary to findings in males, male circumcision did not affect HSV-2 acquisition among female partners.

SUBMITTER: Tobian AA

PROVIDER: S-EPMC3256952 | biostudies-literature | 2012 Feb

REPOSITORIES: biostudies-literature

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Male circumcision and herpes simplex virus type 2 infection in female partners: a randomized trial in Rakai, Uganda.

Tobian Aaron A R AA Kigozi Godfrey G Redd Andrew D AD Serwadda David D Kong Xiangrong X Oliver Amy A Nalugoda Fred F Quinn Thomas C TC Gray Ronald H RH Wawer Maria J MJ

The Journal of infectious diseases 20111205 3

Male circumcision reduces acquisition of herpes simplex virus type 2 (HSV-2) in men. We assessed whether male circumcision reduces HSV-2 infection among female partners. HSV-2-negative, human immunodeficiency virus-negative female partners of 368 males who were and 372 males who were not randomized to receive male circumcision were enrolled. The incidence of HSV-2 infection among females over a period of 2 years was 6.09 cases per 100 person-years in the intervention arm and 6.32 cases per 100 p ...[more]

PMID: 22147796

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Project description:BackgroundObservational studies have reported an association between male circumcision and reduced risk of HIV infection in female partners. We assessed whether circumcision in HIV-infected men would reduce transmission of the virus to female sexual partners.Methods922 uncircumcised, HIV-infected, asymptomatic men aged 15-49 years with CD4-cell counts 350 cells per microL or more were enrolled in this unblinded, randomised controlled trial in Rakai District, Uganda. Men were randomly assigned by computer-generated randomisation sequence to receive immediate circumcision (intervention; n=474) or circumcision delayed for 24 months (control; n=448). HIV-uninfected female partners of the randomised men were concurrently enrolled (intervention, n=93; control, n=70) and followed up at 6, 12, and 24 months, to assess HIV acquisition by male treatment assignment (primary outcome). A modified intention-to-treat (ITT) analysis, which included all concurrently enrolled couples in which the female partner had at least one follow-up visit over 24 months, assessed female HIV acquisition by use of survival analysis and Cox proportional hazards modelling. This trial is registered with ClinicalTrials.gov, number NCT00124878.FindingsThe trial was stopped early because of futility. 92 couples in the intervention group and 67 couples in the control group were included in the modified ITT analysis. 17 (18%) women in the intervention group and eight (12%) women in the control group acquired HIV during follow-up (p=0.36). Cumulative probabilities of female HIV infection at 24 months were 21.7% (95% CI 12.7-33.4) in the intervention group and 13.4% (6.7-25.8) in the control group (adjusted hazard ratio 1.49, 95% CI 0.62-3.57; p=0.368).InterpretationCircumcision of HIV-infected men did not reduce HIV transmission to female partners over 24 months; longer-term effects could not be assessed. Condom use after male circumcision is essential for HIV prevention.FundingBill & Melinda Gates Foundation with additional laboratory and training support from the National Institutes of Health and the Fogarty International Center.

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Male circumcision and herpes simplex virus type 2 infection in female partners: a randomized trial in Rakai, Uganda.

Publications

Male circumcision and herpes simplex virus type 2 infection in female partners: a randomized trial in Rakai, Uganda.

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