Chronic hepatitis C in African Americans and other minority groups

Jaquelyn Fleckenstein1

  • 1Department of Medicine, University of Tennessee, Memphis, 920 Madison Avenue, Suite 200, Memphis, TN 38103, USA. jffleckenste@utmem.edu

Insights

African Americans with chronic hepatitis C virus (HCV) infection show lower treatment response rates and higher rates of hepatocellular carcinoma compared to non-Hispanic whites. Increased diversity in clinical trials is crucial for understanding and addressing these disparities.

Area of Science:

  • Hepatology
  • Infectious Diseases
  • Health Disparities

Background:

  • Chronic hepatitis C virus (HCV) is a significant public health concern in the U.S., disproportionately affecting African Americans.
  • African Americans represent a substantial portion of HCV infections and exhibit distinct clinical characteristics and treatment outcomes.
  • Existing research highlights racial disparities in HCV progression and treatment efficacy, necessitating further investigation.

Purpose of the Study:

  • To examine the prevalence and clinical characteristics of chronic hepatitis C virus (HCV) infection among African Americans.
  • To compare treatment response rates and disease progression between African American and non-Hispanic white patients with HCV.
  • To identify factors contributing to observed racial differences in HCV management and outcomes.

Main Methods:

  • Review of epidemiological data on HCV prevalence across racial demographics in the United States.
  • Analysis of clinical studies comparing outcomes of interferon and ribavirin-based therapies in African American versus non-Hispanic white patients.
  • Exploration of immunologic, virologic, and biochemical differences in HCV-infected African American populations.

Main Results:

  • African Americans exhibit a higher prevalence of HCV infection (3.2%) and account for 22% of all U.S. cases.
  • Lower response rates to interferon and ribavirin, including newer regimens like pegylated interferon and ribavirin, are observed in African Americans.
  • African Americans show a lower likelihood of cirrhosis but a higher risk of hepatocellular carcinoma and a higher prevalence of genotype 1 infection.

Conclusions:

  • Significant racial disparities exist in chronic hepatitis C virus (HCV) infection outcomes and treatment efficacy between African Americans and non-Hispanic whites.
  • Underrepresentation of minority groups, including Mexican Americans, in clinical trials limits understanding of HCV in diverse populations.
  • Ongoing efforts to enhance racial diversity in clinical trials are essential for equitable HCV research and patient care.

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