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. 2021 Oct 5;73(7):e1946-e1953.
doi: 10.1093/cid/ciaa1533.

Effectiveness of Voluntary Medical Male Circumcision for Human Immunodeficiency Virus Prevention in Rakai, Uganda

Gideon Loevinsohn  1   2 , Godfrey Kigozi  3 , Joseph Kagaayi  3 , Maria J Wawer  1   3   4 , Fred Nalugoda  3 , Larry W Chang  1   3   5 , Thomas C Quinn  1   5   6 , David Serwadda  3   7 , Steven J Reynolds  1   3   5   6 , Lisa Nelson  8 , Lisa Mills  8 , Stella Alamo  8 , Gertrude Nakigozi  3 , Geoffrey Kabuye  8 , Robert Ssekubugu  3 , Aaron A R Tobian  1   3   9 , Ronald H Gray  1   3 , M Kathryn Grabowski  1   3   9 ; Rakai Health Sciences Program
Collaborators, Affiliations

Effectiveness of Voluntary Medical Male Circumcision for Human Immunodeficiency Virus Prevention in Rakai, Uganda

Gideon Loevinsohn et al. Clin Infect Dis. .

Abstract

Background: The efficacy of voluntary male medical circumcision (VMMC) for human immunodeficiency virus (HIV) prevention in men was demonstrated in 3 randomized trials. This led to the adoption of VMMC as an integral component of the United States President's Emergency Plan for AIDS Relief (PEPFAR) combination HIV prevention program in sub-Saharan Africa. However, evidence on the individual-level effectiveness of VMMC programs in real-world, programmatic settings is limited.

Methods: A cohort of initially uncircumcised, non-Muslim, HIV-uninfected men in the Rakai Community Cohort Study in Uganda was followed between 2009 and 2016 during VMMC scale-up. Self-reported VMMC status was collected and HIV tests performed at surveys conducted every 18 months. Multivariable Poisson regression was used to estimate the incidence rate ratio (IRR) of HIV acquisition in newly circumcised vs uncircumcised men.

Results: A total of 3916 non-Muslim men were followed for 17 088 person-years (PY). There were 1338 newly reported VMMCs (9.8/100 PY). Over the study period, the median age of men adopting VMMC declined from 28 years (interquartile range [IQR], 21-35 years) to 22 years (IQR, 18-29 years) (P for trend < .001). HIV incidence was 0.40/100 PY (20/4992.8 PY) among newly circumcised men and 0.98/100 PY (118/12 095.1 PY) among uncircumcised men with an adjusted IRR of 0.47 (95% confidence interval, .28-.78). The effectiveness of VMMC was sustained with increasing time from surgery and was similar across age groups and calendar time.

Conclusions: VMMC programs are highly effective in preventing HIV acquisition in men. The observed effectiveness is consistent with efficacy in clinical trials and supports current recommendations that VMMC is a key component of programs to reduce HIV incidence.

Keywords: Africa; PEPFAR; VMMC; circumcision; combination HIV prevention.

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Figures

Figure 1.
Figure 1.
The analytical cohort.
Figure 2.
Figure 2.
Demographic characteristics and sexual behaviors of newly circumcised men compared to uncircumcised men. A, Error bars denote interquartile range of participants’ age. B–H, Error bars denote 95% confidence interval for attribute prevalence. *Significant age-adjusted difference in prevalence between groups at the given study visit (P < .05).
Figure 3.
Figure 3.
Longitudinal effectiveness of voluntary male medical circumcision for human immunodeficiency virus (HIV) prevention. HIV incidence per 100 person-years among non-Muslim uncircumcised and circumcised men by estimated time since surgery in years. Time since surgery was defined as the interval between the start of the person-period in which circumcision was reported to the midpoint of a given person-period.
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References

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