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AIDS. 2011 Jun 19;25(10):1265-9. doi: 10.1097/QAD.0b013e328347fa37.

Meta-analysis of randomized trials on the association of prophylactic acyclovir and HIV-1 viral load in individuals coinfected with herpes simplex virus-2.

Author information

1
Department of Epidemiology, University of North Carolina, Chapel Hill, USA.

Abstract

OBJECTIVE:

To summarize the randomized evidence regarding the association between acyclovir use and HIV-1 replication as measured by plasma HIV-1 RNA viral load among individuals coinfected with herpes simplex virus (HSV)-2.

DESIGN:

Meta-analysis of seven randomized trials conducted between 2000 and 2009. Inclusion criteria composed of acyclovir or valacyclovir use as prophylaxis among individuals coinfected with HIV-1 and HSV-2 who were ineligible for highly active antiretroviral therapy. HIV-1 viral load was the outcome.

METHODS:

Random-effects summarization was used to combine treatment effect estimates. Stratified and meta-regression analyses were used to compare estimated treatment effects by characteristics of trials and participants.

RESULTS:

The summary treatment effect estimate was -0.33 (95% confidence interval: -0.56, -0.10, 95% population effects interval: -0.74, 0.08) log(10) copies, an approximate halving of plasma viral load. However, there was marked heterogeneity (P < 0.001). Older median age, valacyclovir, higher compliance, earlier publication, and shorter study length were associated with a larger decrease in viral load as compared with their counterparts.

CONCLUSION:

Current evidence suggests a range of favorable effects of acyclovir on plasma HIV-1 viral load among persons coinfected with HSV-2.

PMID:
21666542
PMCID:
PMC4501265
DOI:
10.1097/QAD.0b013e328347fa37
[Indexed for MEDLINE]
Free PMC Article

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