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Epidemiology and treatment of sexually transmitted acute hepatitis C

Martin Vogel1

  • 1Department of Internal Medicine I, Bonn University, Bonn, Germany.

Current Opinion in HIV and AIDS
|April 18, 2009
PubMed

Insights

Outbreaks of hepatitis C virus (HCV) infections are increasing among HIV-infected men who have sex with men. Mucosal damage and other sexually transmitted infections are key risk factors for sexual transmission of HCV.

Area of Science:

  • Hepatology
  • Infectious Diseases
  • Epidemiology

Background:

  • Recent years have seen an increase in sexually acquired acute hepatitis C virus (HCV) infections, particularly among men who have sex with men (MSM) who are also infected with HIV.
  • The reasons for this rise are not fully understood, as HCV has been known for over a decade and sexual transmission has historically been rare.

Purpose of the Study:

  • To review the factors contributing to the increased sexual transmission of HCV.
  • To understand the role of HIV infection, other sexually transmitted infections (STIs), and sexual practices in HCV transmission.
  • To examine the outcomes of acute HCV infection and treatment efficacy in affected populations.

Main Methods:

  • Literature review of recent studies on HCV transmission dynamics.
  • Analysis of risk factors associated with sexual transmission of HCV.
  • Evaluation of spontaneous clearance rates and treatment outcomes for acute HCV.

Main Results:

  • Effective sexual transmission of HCV is linked to HIV infection, co-existing STIs, and sexual practices causing mucosal damage.
  • Mucosal damage is identified as the primary risk factor, facilitating blood-to-blood transmission, even in HIV-negative individuals.
  • Approximately 25% of HIV-infected individuals experience spontaneous resolution of acute HCV, while early treatment with pegylated interferon and ribavirin achieves sustained virological response in 60-75% of patients.

Conclusions:

  • Sexual transmission of HCV has become more frequent recently in specific populations.
  • An increase in common STIs and changes in sexual behaviors appear to be driving this HCV epidemic.
Abstract

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