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Clin Infect Dis. 2009 Aug 1;49(3):466-72. doi: 10.1086/600399.

Sustained virological response after early antiviral treatment of acute hepatitis C virus and HIV coinfection.

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  • 1Department of Medicin, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.

Abstract

BACKGROUND:

Limited data exist describing the clinical outcome and immunological response primed during simultaneously acquired acute hepatitis C virus (HCV) and human immunodeficiency virus (HIV) coinfection. We present detailed clinical and immunological analysis of 3 individuals after concomitant infection with acute HCV and primary HIV.

METHODS:

In addition to longitudinal clinical parameters, virus-specific T cell responses were assessed using Elispot, standard proliferative (carboxyfluorescein diacetate succinimidyl ester), and in vitro CD4(+) T cell assays.

RESULTS:

In all patients, anti-HCV treatment was started with pegylated interferon-alpha, and antiretroviral therapy was coadministered early during primary infection. HCV viremia was cleared under therapy with pegylated interferon-alpha in all 3 cases. In 2 patients, HIV replication was contained even after antiretroviral therapy had been interrupted, which was associated with strong HIV-specific CD8(+) and CD4(+) T cell responses. In these 2 patients, multispecific HCV CD4(+) T cell responses could also be detected. No HCV-specific CD4(+) T cell responses were detected in the third patient, who also had the lowest nadir CD4(+) cell count during primary HIV infection (<200 cells/microL).

CONCLUSIONS:

Anti-HIV and -HCV therapy should be considered early in cases of concomitant acute HCV and HIV coinfection, because successful therapy of HCV viremia seems possible even during primary HIV infection. HCV-specific T cell immunity is generated during primary HIV infection and can be preserved by HCV treatment. However, the optimal treatment algorithm needs to be established in prospective, randomized trials.

PMID:
19580412
[PubMed - indexed for MEDLINE]
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