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Published on: January 7, 2019
Stable recovery from HCV in HIV-HCV co-infection under antiretroviral therapy
Jean-David Zeitoun1, Vincent Mallet, Marie-Laure Chaix
1AP-HP, hôpital Cochin, hépatologie, Paris, France.
Insights
Hepatitis C virus (HCV) and human immunodeficiency virus (HIV) co-infection can spontaneously resolve. Immune restoration during combined antiretroviral therapy led to sustained HCV clearance in a co-infected patient.
Area of Science:
- Virology
- Immunology
- Hepatology
Background:
- Hepatitis C virus (HCV) and human immunodeficiency virus (HIV) co-infection is prevalent.
- HIV co-infection complicates HCV progression, especially in individuals with low CD4-cell counts.
- Effective HCV replication control is crucial in HIV-infected populations.
Observation:
- A case of spontaneous HCV clearance is presented in a hemophiliac patient with chronic HCV-HIV co-infection.
- The patient received combined antiretroviral therapy (cART) leading to immune restoration.
- Blood sample analysis revealed decreasing HCV-RNA levels correlating with rising CD4 and CD8-cell counts and a transaminase peak.
Findings:
- Spontaneous clearance of chronic HCV infection occurred following cART initiation and immune reconstitution.
- The decrease in HCV-RNA was associated with increased CD4 and CD8 T-cell counts.
- The role of immune restoration and high-dose ritonavir in HCV clearance is explored.
Implications:
- This case suggests that immune restoration can lead to spontaneous HCV clearance in co-infected individuals.
- Findings highlight the potential for cART to impact HCV outcomes beyond viral suppression.
- Further research is warranted to understand the mechanisms driving HCV clearance in this context.
Abstract:
Co-infection by the hepatitis C virus (HCV) and the human immunodeficiency virus (HIV) is common. HIV co-infection worsens the course of HCV infection, particularly in patients with low CD4-cell count, enhancing the need to cancel HCV replication in HIV-infected patients. We report a case of spontaneous recovery of chronic HCV-infection in a HCV-HIV co-infected hemophiliac with the introduction of combined antiretroviral therapy and immune restoration. Retrospective analysis of frozen blood samples showed that a decrease in HCV-RNA in parallel with the increase of CD4 and CD8-cell counts, accompanied by a peak of transaminases. The respective effect of immune restoration and of high doses of ritonavir are discussed.
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