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Published on: September 25, 2019
Treatment of hepatitis C infection
Rise Stribling1, Norman Sussman, John M Vierling
1Department of Medicine, Baylor College of Medicine, 1709 Dryden, Suite 1500, Houston, TX 77030, USA.
Insights
Hepatitis C (HCV) infection causes chronic liver disease and is a leading cause for liver transplants. While curable with antiviral therapy, few receive treatment, highlighting a critical public health gap.
Area of Science:
- Hepatology
- Virology
- Public Health
Background:
- Hepatitis C virus (HCV) infection is a major global cause of chronic liver disease, leading to cirrhosis, liver failure, and hepatocellular carcinoma (HCC).
- HCV-induced cirrhosis is a primary indication for liver transplantation.
- Despite effective antiviral therapies, a significant number of infected individuals remain untreated.
Purpose of the Study:
- To review current treatment standards for Hepatitis C virus (HCV) infection.
- To discuss treatment recommendations for various patient populations.
- To explore emerging therapeutics for difficult-to-treat and non-responsive cases.
Main Methods:
- Review of current standard therapy: PEG-IFNalpha and ribavirin.
- Analysis of sustained virologic response (SVR) rates across different HCV genotypes.
- Examination of treatment recommendations for conventional and special patient groups.
- Assessment of newer therapeutics in clinical trials.
Main Results:
- The standard therapy (PEG-IFNalpha and ribavirin) achieves SVR rates of 42%-56% for genotype 1 and 75%-84% for genotypes 2 and 3.
- Genotypes 4, 5, and 6 also show responsiveness to combination therapy.
- Treatment guidelines for diverse patient populations were detailed.
Conclusions:
- Hepatitis C virus (HCV) infection, though curable, is under-treated globally.
- Current therapies offer significant SVR rates, with ongoing research promising better outcomes for challenging cases.
- Further development of novel therapeutics is crucial to improve treatment accessibility and efficacy for all HCV patients.
Abstract:
HCV infection is one of the leading causes of chronic liver disease worldwide,and it results in cirrhosis, liver failure, and HCC. As a result, hepatitis C cirrhosis has become the principal indication for liver transplantation. Ironically,HCV infection can be cured with available antiviral therapies, but only a minority of infected persons has ever been treated. The current standard of therapy isa combination of PEG-IFNalpha and ribavirin, which produces high rates of SVRs(absence of detectable HCV RNA at least 24 weeks after cessation of therapy):42% to 56% in genotype 1 and 75% to 84% in genotypes 2 and 3. Recent reports indicate that the less frequent genotypes 4, 5, and 6 also are responsive to combination therapy. Recommendations for treatment of conventional and special patient populations were reviewed in detail. Newer therapeutics that are entering clinical trials provide hope that SVRs may be possible in patients who are difficult to treat and in nonresponders to current therapy.
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