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Published on: September 12, 2019
Management of chronic hepatitis C
1Division of Infectious Diseases, Center for Clinical Epidemiology and Biostatistics, 502 Johnson Pavilion, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA. vincent.lore@uphs.upenn.edu
Insights
Hepatitis C virus (HCV) screening involves antibody detection, with positive results requiring viraemia assessment to confirm chronic infection. HCV genotype and liver biopsy inform treatment decisions for this significant cause of liver disease.
Area of Science:
- Hepatology
- Virology
- Infectious Diseases
Background:
- Hepatitis C virus (HCV) infection is a primary cause of chronic liver disease, cirrhosis, and hepatocellular carcinoma.
- Transmission predominantly occurs via percutaneous exposure, often linked to injection drug use.
- Chronic HCV develops in a significant majority of infected individuals.
Purpose of the Study:
- To outline the diagnostic and prognostic significance of HCV antibody screening, viraemia assessment, and genotyping.
- To detail the role of liver biopsy in evaluating hepatic fibrosis and guiding treatment selection.
- To describe the standard of care for antiviral therapy in chronic HCV.
Main Methods:
- Initial screening using HCV antibody detection in at-risk populations.
- Confirmation of chronic infection through assessment of HCV viraemia.
- HCV genotyping to predict treatment response.
- Liver biopsy for fibrosis staging and assessment of concurrent liver conditions.
- Clinical decision-making for antiviral therapy based on disease severity, patient factors, and genotype.
Main Results:
- HCV antibody testing identifies individuals requiring further evaluation.
- HCV viraemia confirms the presence of active infection.
- HCV genotype is a key predictor of treatment efficacy.
- Liver biopsy provides crucial information for patient management and treatment selection.
Conclusions:
- A multi-step diagnostic approach including antibody testing, viraemia assessment, and genotyping is essential for managing HCV.
- Liver biopsy plays a vital role in disease staging and treatment planning.
- Combination therapy with pegylated interferon and ribavirin remains the standard of care for chronic HCV.
Abstract:
Hepatitis C virus (HCV) infection is transmitted primarily through percutaneous exposure to blood, and most infections are associated with injection drug use. Progression to chronic HCV occurs in 55% to 86% of infected people, and persistent infection is a major cause of cirrhosis, end stage liver disease, and hepatocellular carcinoma. The detection of HCV antibodies should be performed initially to screen at risk populations. In those who are seropositive, HCV viraemia should be assessed to determine if chronic HCV is present. The HCV genotype should also be determined, as this is the strongest predictor of response to available treatment. A liver biopsy is very often helpful because it can estimate degree of hepatic fibrosis, identify concurrent diseases that might contribute to hepatic injury, and aid in selection of patients for treatment. The decision to start antiviral therapy should take into account potential contraindications to therapy, patient motivation, severity of disease, age, and HCV genotype. Combination therapy with weekly subcutaneous pegylated interferon and daily oral ribavirin is the standard of care for treating patients with chronic HCV.
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