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Gastroenterology. 2008 Sep;135(3):821-9. doi: 10.1053/j.gastro.2008.05.044. Epub 2008 May 21.

Eradication of hepatitis C virus in patients successfully treated for chronic hepatitis C.

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1
Université Paris VII, Hôpital Beaujon, Clichy, France.

Abstract

BACKGROUND & AIMS:

It is unclear whether hepatitis C virus (HCV) is eradicated in patients with chronic hepatitis C who achieved a sustained virologic response (SVR).

METHODS:

In this long-term follow-up study, including chronic hepatitis C patients who achieved SVR after interferon-based therapy, the presence of residual HCV RNA in serum, liver, and peripheral blood mononuclear cells (PBMCs) was assessed, using transcription-mediated amplification (sensitivity, <9.6 IU/mL). The benefit of SVR on liver fibrosis was evaluated using the METAVIR score.

RESULTS:

A total of 344 patients were followed up for a median duration of 3.27 years (range, 0.50-18 y; interquartile range [IQR], 1.68-5.35 y). A total of 114 patients had a posttreatment liver tissue (median, 0.50 y; range, 0-14 y; IQR, 0-3.5 y) and a total of 156 had one PBMC (median, 3.0 y; range, 0.50-18 y; IQR, 1.25-5.50 y). Serum HCV RNA remained undetectable (1300 samples), indicating that none of the patients had a relapse. HCV RNA was detectable in 2 of 114 (1.7%) liver specimens, and in none of 156 PBMC specimens. Histologic analysis of 126 paired pretreatment and posttreatment liver biopsy specimens (median, 0.50 y; range, 0-14 y; IQR, 0-3.5 y) showed that fibrosis stage was improved in 56%, stable in 32%, deteriorated in 12%. Regression of cirrhosis was observed in 9 of 14 (64%) (95% confidence interval, 39-89) patients. No cirrhosis decompensation was observed, and 3 patients developed hepatocellular carcinoma.

CONCLUSIONS:

In this large cohort of chronic hepatitis C patients, SVR was durable up to 18 years after treatment cessation, in addition to fibrosis stability/improvement (88%) and cirrhosis regression (64%). The presence of residual HCV RNA was observed only in liver tissue (1.7%). This result strongly suggests that SVR may be considered to show eradication of HCV infection.

PMID:
18593587
DOI:
10.1053/j.gastro.2008.05.044
[Indexed for MEDLINE]

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