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Impact of direct-acting antiviral agents on liver function in patients with chronic hepatitis C virus infection

Johnson, PJ; Berhane, S; Walker, AJ; Gordon, FH; Ryder, SD; McPherson, S; Sreedharan, A; ... HCV Research UK; + view all (2020) Impact of direct-acting antiviral agents on liver function in patients with chronic hepatitis C virus infection. Journal of Viral Hepatitis 10.1111/jvh.13408. (In press). Green open access

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Abstract

Whilst the benefit of direct‐acting antiviral agents (DAAs) in achieving sustained virological response (SVR) is now well‐accepted, their impact on liver function, particularly in relation to achievement of SVR, has not been well documented. We studied 2394 patients with chronic HCV infection, 1276 receiving DAAs and 1118 interferon‐based therapy. Liver function was assessed by the albumin‐bilirubin (ALBI) score or grade. Overall survival according to SVR status and baseline ALBI grade was examined. We also studied time to first decompensation according to ALBI grade, as well as longitudinal changes in ALBI score over time according to SVR. Among the patients receiving DAAs, 89% achieved SVR (Japan = 99%, UK = 78%). Amongst the decompensated patients in the UK cohort, three distinct risk groups according to ALBI grade at baseline were observed. The UK patients receiving DAAs, who had predominantly decompensated disease, showed clear evidence of improvement of liver function detectable within 2 years of the start of treatment, especially in those achieving SVR. These early changes in liver function were very similar to those observed in the first 2‐3 years after interferon‐based therapy. DAAs improve liver function especially in those with decompensated disease who achieve SVR. Experience with interferon‐based therapy suggests that failure to achieve SVR is associated with long‐term decline in liver function and, in contrast, patients who do achieve SVR can expect long‐term disease improvement and subsequent stabilization of liver function. Our initial analysis suggests that those receiving DAAs are likely, in the long term, to follow a similar course.

Type: Article
Title: Impact of direct-acting antiviral agents on liver function in patients with chronic hepatitis C virus infection
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.1111/jvh.13408
Publisher version: https://doi.org/10.1111/jvh.13408
Language: English
Additional information: This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. http://creativecommons.org/licenses/by/4.0/
Keywords: ALBI score, direct-acting antivirals, hepatitis C virus, interferon therapy, liver function, sustained virological response
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Medicine
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Medicine > Inst for Liver and Digestive Hlth
URI: https://discovery.ucl.ac.uk/id/eprint/10117037
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