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Extremely low risk of hepatocellular carcinoma development in patients with chronic hepatitis B in immune-tolerant phase

 Han Ah Lee  ;  Hyun Woong Lee  ;  In Hee Kim  ;  Soo Young Park  ;  Dong Hyun Sinn  ;  Jung Hwan Yu  ;  Yeon Seok Seo  ;  Soon Ho Um  ;  Jung Il Lee  ;  Kwan Sik Lee  ;  Chang Hun Lee  ;  Won Young Tak  ;  Young Oh Kweon  ;  Wonseok Kang  ;  Yong-Han Paik  ;  Jin-Woo Lee  ;  Sang Jun Suh  ;  Young Kul Jung  ;  Beom Kyung Kim  ;  Jun Yong Park  ;  Do Young Kim  ;  Sang Hoon Ahn  ;  Kwang-Hyub Han  ;  Hyung Joon Yim  ;  Seung Up Kim 
 ALIMENTARY PHARMACOLOGY & THERAPEUTICS, Vol.52(1) : 196-204, 2020-07 
Journal Title
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Background: Anti-viral therapy is not indicated for patients with chronic hepatitis B (CHB) in the immune-tolerant phase.

Aims: To investigate the cumulative incidence of phase change and hepatocellular carcinoma (HCC) and independent predictors for phase change in patients with CHB in immune-tolerant phase.

Methods: In total, 946 patients in immune-tolerant phase, defined as hepatitis B e antigen positivity, HBV-DNA >20 000 IU/mL and alanine aminotransferase (ALT) ≤40 IU/L, between 1989 and 2017 were enrolled from eight institutes.

Results: The mean age of study population (429 men and 517 women) was 36.7 years. The mean ALT and HBV-DNA levels were 24.6 IU/L and 8.50 log10 IU/mL, respectively. Of the study population, 476 (50.3%) patients remained in immune-tolerant phase throughout the study period (median: 63.6 months). The cumulative incidence rates of phase change and HCC at 10 years were 70.7% and 1.7%, respectively. Multivariate analyses revealed that HBV-DNA level >107 IU/mL was associated independently with a reduced risk of phase change (hazard ratio [HR] = 0.734, P = 0.008), whereas a high ALT level, above the cut-off recommended in the Korean Association for the Study of the Liver guidelines (34 IU/L for men and 30 IU/L for women), was associated independently with a greater risk of phase change (HR = 1.885, P < 0.001).

Conclusions: The criterion of HBV-DNA level > 107 IU/mL may be useful to define immune-tolerant phase. In addition, an extremely low risk of HCC development was observed in patients with CHB in immune-tolerant phase.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Do Young(김도영)
Kim, Beom Kyung(김범경) ORCID logo https://orcid.org/0000-0002-5363-2496
Kim, Seung Up(김승업) ORCID logo https://orcid.org/0000-0002-9658-8050
Park, Jun Yong(박준용) ORCID logo https://orcid.org/0000-0001-6324-2224
Ahn, Sang Hoon(안상훈) ORCID logo https://orcid.org/0000-0002-3629-4624
Lee, Kwan Sik(이관식) ORCID logo https://orcid.org/0000-0002-3672-1198
Lee, Jung Il(이정일) ORCID logo https://orcid.org/0000-0002-0142-1398
Lee, Hyun Woong(이현웅) ORCID logo https://orcid.org/0000-0002-6958-3035
Han, Kwang-Hyub(한광협) ORCID logo https://orcid.org/0000-0003-3960-6539
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