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Aliment Pharmacol Ther. 2019 May 28. doi: 10.1111/apt.15311. [Epub ahead of print]
High risk of clinical events in untreated HBeAg-negative chronic hepatitis B patients with high viral load and no significant ALT elevation.
Choi GH1, Kim GA2, Choi J3, Han S4, Lim YS3.
Author information
1
Departments of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea.
2
Departments of Internal Medicine, Kyung Hee University Medical Center, Kyung Hee University School of Medicine, Seoul, Republic of Korea.
3
Department of Gastroenterology, Asan Liver Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
4
Department of Applied Statistics, Gachon University, SeongNam, Republic of Korea.
Abstract
BACKGROUND:
It remains unknown whether antiviral treatment for HBeAg-negative chronic hepatitis B (CHB) patients having high viral loads without significant elevation of alanine aminotransferase (ALT) levels would reduce the risks of clinical events.
AIM:
To compare clinical outcomes of high viral load CHB patients untreated for normal or mildly elevated ALT vs those treated for ALT ≥ 2 upper limit of normal (ULN).
METHODS:
This historical cohort study included 5414 HBeAg-negative CHB patients without cirrhosis at a tertiary hospital in Korea from 2000 to 2013. Inactive phase was defined as serum hepatitis B virus [HBV] DNA < 2000 IU/mL and persistently normal ALT (n = 3572). High viral load (HBV DNA ≥ 2000 IU/mL) patients were classified into three phases by ALT levels: Replicative (persistently normal ALT, n = 900); Mildly active (ALT 1-2ULN, n = 396); and Active (ALT ≥ 2ULN, n = 546) phases. All Active phase patients were treated with nucleos(t)ide analogues.
RESULTS:
The mean age of the patients was 47 years without a significant difference among the groups. Compared with the treated Active phase group, the untreated Replicative phase group showed a significantly higher risk of hepatocellular carcinoma (HCC; HR 1.76; 95% CI 1.00 - 3.10, P = 0.05) and death/transplantation (HR 2.14; 5% CI 1.09 - 4.21, P = 0.03) by propensity score-matched analysis. The untreated mildly active phase patients had further increase in risk of HCC and death/transplantation compared with the treated Active phase group by unadjusted, PS-matched, competing risks, and multivariable-adjusted analyses.
CONCLUSIONS:
Untreated high viral load HBeAg-negative CHB patients without significant ALT elevation had higher risks of clinical events than treated Active phase patients with elevated ALT.
© 2019 John Wiley & Sons Ltd.
PMID:
31135074
DOI:
10.1111/apt.15311
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