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Male circumcision for HIV prevention in men in Rakai, Uganda: a randomised trial
在乌干达拉卡伊男性中行男性包皮环切预防艾滋病毒感染:一项随机试验
Lancet. 2007 Feb 24;369(9562):657-66.

Male circumcision for HIV prevention in men in Rakai, Uganda: a randomised trial.

Gray RH, Kigozi G, Serwadda D, Makumbi F, Watya S, Nalugoda F, Kiwanuka N, Moulton LH, Chaudhary MA, Chen MZ, Sewankambo NK, Wabwire-Mangen F, Bacon MC, Williams CF, Opendi P, Reynolds SJ, Laeyendecker O, Quinn TC, Wawer MJ.

Source

Johns Hopkins University, Bloomberg School of Public Health, Baltimore, MD 21215, USA. rgray@jhsph.edu

Abstract

BACKGROUND:

Ecological and observational studies suggest that male circumcision reduces the risk of HIV acquisition in men. Our aim was to investigate the effect of male circumcision on HIV incidence in men.

METHODS:

4996 uncircumcised, HIV-negative men aged 15-49 years who agreed to HIV testing and counselling were enrolled in this randomised trial in rural Rakai district, Uganda. Men were randomly assigned to receive immediate circumcision (n=2474) or circumcision delayed for 24 months (2522). HIV testing, physical examination, and interviews were repeated at 6, 12, and 24 month follow-up visits. The primary outcome was HIV incidence. Analyses were done on a modified intention-to-treat basis. This trial is registered with ClinicalTrials.gov, with the number NCT00425984.

FINDINGS:

Baseline characteristics of the men in the intervention and control groups were much the same at enrollment. Retention rates were much the same in the two groups, with 90-92% of participants retained at all time points. In the modified intention-to-treat analysis, HIV incidence over 24 months was 0.66 cases per 100 person-years in the intervention group and 1.33 cases per 100 person-years in the control group (estimated efficacy of intervention 51%, 95% CI 16-72; p=0.006). The as-treated efficacy was 55% (95% CI 22-75; p=0.002); efficacy from the Kaplan-Meier time-to-HIV-detection as-treated analysis was 60% (30-77; p=0.003). HIV incidence was lower in the intervention group than it was in the control group in all sociodemographic, behavioural, and sexually transmitted disease symptom subgroups. Moderate or severe adverse events occurred in 84 (3.6%) circumcisions; all resolved with treatment. Behaviours were much the same in both groups during follow-up.

INTERPRETATION:

Male circumcision reduced HIV incidence in men without behavioural disinhibition. Circumcision can be recommended for HIV prevention in men.

Comment in

  • Eur Urol. 2007 Aug;52(2):605-6.
  • Lancet. 2007 Feb 24;369(9562):617-9.
  • Lancet. 2007 May 12;369(9573):1597-8; author reply 1598-9.
  • Lancet. 2007 May 12;369(9573):1597; author reply 1598-9.
  • Lancet. 2007 May 12;369(9573):1597; author reply 1598-9.
PMID: 17321311 [PubMed - indexed for MEDLINE]

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