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Published on: June 5, 2020
Hepatitis C genotype 3 disease
Sarah Kattakuzhy1, Rachel Levy2, Elana Rosenthal3
1Division of Clinical Care and Research, Institute of Human Virology, University of Maryland, 5415 W, Cedar Lane Suite 203b, Bethesda, MD, 20814, USA. skattakuzhy@ihv.umaryland.edu.
Insights
Hepatitis C genotype 3 is difficult to treat, causing liver issues. New direct-acting antivirals show promise for eradicating this infection, though more research is needed.
Area of Science:
- Hepatology
- Virology
- Infectious Diseases
Background:
- Hepatitis C genotype 3 (GT-3) accounts for 30% of global HCV infections, with a high prevalence in South/Southeast Asia.
- GT-3 infection is linked to increased risks of steatosis, fibrosis, and hepatocellular carcinoma, making it a priority for treatment.
- Current direct-acting antiviral agents show variable efficacy against GT-3 compared to other genotypes.
Purpose of the Study:
- To review the epidemiology and natural history of Hepatitis C genotype 3.
- To summarize findings from Phase II and III clinical trials for GT-3 treatment options.
- To discuss current and future therapeutic challenges in eradicating GT-3.
Main Methods:
- Literature review of epidemiological data.
- Analysis of clinical trial results for direct-acting antivirals in GT-3 patients.
- Synthesis of current therapeutic landscape and future directions.
Main Results:
- GT-3 infection presents unique challenges due to its association with significant liver disease progression.
- Clinical trials are evaluating novel direct-acting antivirals with varying degrees of success in GT-3.
- Eradication of GT-3 remains a complex therapeutic issue requiring further investigation.
Conclusions:
- Hepatitis C genotype 3 represents a significant global health burden requiring effective and accessible treatment strategies.
- Ongoing research and clinical trials are crucial for developing potent therapies against GT-3.
- Addressing the specific challenges of GT-3 is essential for the overall goal of hepatitis C virus eradication.
Abstract:
Hepatitis C genotype 3 (GT-3) infection comprises up to 30 % of all HCV infections worldwide, with roughly 54.3 million cases concentrated in South and Southeast Asia. Longitudinal studies have demonstrated significantly increased rates of steatosis, fibrosis, and hepatocellular carcinoma in GT-3 disease, thus distinguishing this genotype as both the most difficult and urgent to treat. However, novel direct-acting antiviral agents currently approved have not demonstrated the uniform potency seen in GT-1 disease for GT-3. This review outlines (1) the epidemiology and natural history, (2) phase II and III clinical trials demonstrating effective treatment options, and (3) current and future therapeutic issues in the quest to eradicate hepatitis C genotype 3 disease.
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