Abstract
Background/Aims
Among individuals without human immunodeficiency virus (HIV), African Americans have lower spontaneous clearance of hepatitis C virus (HCV) than Caucasians, and women have higher clearance than men. Few studies report racial/ethnic differences in acute HCV in HIV infected, or Hispanic women. We examined racial/ethnic differences in spontaneous HCV clearance in a population of HCV mono- and co-infected women.
Methods
We conducted a cross sectional study of HCV seropositive women (897 HIV infected and 168 HIV uninfected) followed in the US multicenter, NIH-funded Women’s Interagency HIV Study (WIHS), to determine the association of race/ethnicity with spontaneous HCV clearance, as defined by undetectable HCV RNA at study entry.
Results
Among HIV and HCV seropositive women, 18.7 % were HCV RNA negative, 60.9 % were African American, 19.3 % Hispanic and 17.7 % Caucasian. HIV infected African American women were less likely to spontaneously clear HCV than Hispanic (OR 0.59, 95 % CI 0.38–0.93, p = 0.022) or Caucasian women (OR 0.57, 95 % CI 0.36–0.93, p = 0.023). Among HIV uninfected women, African Americans had less HCV clearance than Hispanics (OR 0.18, 95 % CI 0.07–0.48, p = 0.001) or Caucasians (OR 0.26, 95 % CI 0.09–0.79, p = 0.017). There were no significant differences in HCV clearance between Hispanics and Caucasians, among either HIV infected (OR 0.97, 95 % CI 0.57–1.66, p = 0.91) or uninfected (OR 1.45, 95 % CI 0.56–3.8, p = 0.45) women.
Conclusions
African Americans were less likely to spontaneously clear HCV than Hispanics or Caucasians, regardless of HIV status. No significant differences in spontaneous HCV clearance were observed between Caucasian and Hispanic women. Future studies incorporating IL28B genotype may further explain these observed racial/ethnic differences in spontaneous HCV clearance.
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Abbreviations
- HIV:
-
Human immunodeficiency virus
- HCV:
-
Hepatitis C virus
- WIHS:
-
Women’s Interagency HIV Study
- RNA:
-
Ribonucleic acid
- IDU:
-
Intravenous drug use
- HAART:
-
Highly active anti-retroviral therapy
- HBV:
-
Hepatitis B virus
- HBsAg:
-
Hepatitis B surface antigen
- HBcAb:
-
Hepatitis B core antibody
- HBsAb:
-
Hepatitis B surface antibody
- SNP:
-
Single nucleotide polymorphisms
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Acknowledgments
Data in this manuscript were collected by the Women’s Interagency HIV Study (WIHS) Collaborative Study Group with centers (Principal Investigators) at New York City/Bronx Consortium (Kathryn Anastos); Brooklyn, NY (Howard Minkoff); Washington, DC Metropolitan Consortium (Mary Young); The Connie Wofsy Study Consortium of Northern California (Ruth Greenblatt); Los Angeles County/Southern California Consortium (Alexandra Levine); Chicago Consortium (Mardge Cohen); Data Coordinating Center (Stephen Gange). The contents of this publication are solely the responsibility of the authors and do not necessarily represent the official views of the National Institutes of Health. The WIHS is funded by the National Institute of Allergy and Infectious Diseases [UO1-AI-35004, UO1-AI-31834, UO1-AI-34994, UO1-AI-34989, UO1-AI-34993, and UO1-AI-42590] and by the National Institute of Child Health and Human Development [UO1-HD-32632]. The study was co-funded by the National Cancer Institute, the National Institute on Drug Abuse, and the National Institute on Deafness and Other Communication Disorders. Additional support was received through the National Institutes of Health [T32 DK060414 to MS].
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Sarkar, M., Bacchetti, P., Tien, P. et al. Racial/Ethnic Differences in Spontaneous HCV Clearance in HIV Infected and Uninfected Women. Dig Dis Sci 58, 1341–1348 (2013). https://doi.org/10.1007/s10620-012-2486-8
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DOI: https://doi.org/10.1007/s10620-012-2486-8