Increasing risk behaviour can outweigh the benefits of antiretroviral drug treatment on the HIV incidence among men-having-sex-with-men in Amsterdam
2011

HIV Risk Behavior and Antiretroviral Treatment in Amsterdam

Sample size: 324 publication Evidence: moderate

Author Information

Author(s): Mei Shan, Rick Quax, David van de Vijver, Yifan Zhu, P M A Sloot

Primary Institution: National University of Defense Technology, Changsha, China

Hypothesis

Can increasing risk behavior among men who have sex with men outweigh the benefits of antiretroviral therapy on HIV incidence?

Conclusion

Lowering risk behavior is crucial for controlling HIV incidence, even with effective therapy in place.

Supporting Evidence

  • The model predicts that a 30% increase in risk behavior can negate the benefits of effective therapy.
  • Historical data shows a rise in HIV incidence among MSM despite the availability of antiretroviral therapy.
  • The study highlights the importance of addressing risk behavior in HIV prevention strategies.

Takeaway

If people take more risks with their sexual behavior, it can lead to more HIV cases, even if they are on medication that helps prevent it.

Methodology

The study used a Complex Agent Network model to simulate HIV transmission among MSM in Amsterdam, incorporating behavior-related parameters and historical incidence data.

Potential Biases

Potential bias due to reliance on historical data and the assumption of constant parameters over time.

Limitations

The model assumes a static population size and does not account for individual histories of risky contact.

Participant Demographics

Men who have sex with men (MSM) aged 18-34 in Amsterdam.

Statistical Information

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2334-11-118

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