Enhancing the detection and management of acute hepatitis C virus infection

Marianne Martinello1, Gail V Matthews1

  • 1The Kirby Institute, University of New South Wales, Wallace Wurth Building, Sydney, NSW 2052, Australia.

Insights

Detecting acute Hepatitis C virus (HCV) infection is challenging, especially in people who inject drugs (PWID). Improving detection and treatment access for acute HCV is crucial for preventing chronic liver disease.

Area of Science:

  • Hepatology and Viral Gastroenterology
  • Infectious Diseases and Public Health
  • Drug Use and Addiction Research

Background:

  • Acute Hepatitis C virus (HCV) infection, defined as the first 6 months post-acquisition, often presents asymptomatically or with non-specific symptoms.
  • While spontaneous clearance occurs in about 25% of cases, most individuals progress to chronic HCV infection, risking severe liver conditions like cirrhosis, end-stage liver disease, and hepatocellular carcinoma.
  • Identifying and managing acute HCV is difficult due to diagnostic limitations and challenges in reaching high-risk populations, notably people who inject drugs (PWID).

Purpose of the Study:

  • To review the challenges and opportunities in improving the detection and management of acute HCV infection.
  • To highlight the specific needs and barriers faced by people who inject drugs (PWID) in HCV assessment, treatment, and prevention.
  • To explore the potential of directly-acting antiviral (DAA) therapies for acute HCV infection, mirroring their success in chronic cases.

Main Methods:

  • Literature review focusing on the epidemiology, diagnosis, and treatment of acute HCV infection.
  • Analysis of barriers to HCV care within the PWID population.
  • Discussion of current and emerging therapeutic strategies, including DAAs, for acute HCV.

Main Results:

  • Detection of acute HCV remains suboptimal due to non-specific symptoms and diagnostic hurdles.
  • HCV treatment is feasible and effective in PWID, yet uptake is limited by individual and systemic barriers.
  • Directly-acting antiviral (DAA) therapies offer a promising avenue for effective acute HCV treatment, similar to their impact on chronic infections.

Conclusions:

  • Enhanced strategies for HCV assessment, treatment, and prevention are urgently needed, particularly for PWID.
  • Early detection and intervention during the acute phase of HCV infection can yield significant individual and public health benefits.
  • Leveraging highly effective DAAs for acute HCV management presents a critical opportunity to reduce the burden of HCV-related liver disease.

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