High body mass index hinders fibrosis improvement in patients receiving long-term tenofovir therapy in hepatitis B virus-related cirrhosis

Young Eun Chon, Kyu Sik Jung, Yeonjung Ha, Mi Na Kim, Joo Ho Lee, Seong Gyu Hwang, Sang Hoon Ahn, Do Young Kim, Kwang Hyub Han, Jun Yong Park

Research output: Contribution to journalArticle

Abstract

Long-term suppression of hepatitis B virus with tenofovir (TDF) induces fibrosis regression, and repeated liver stiffness (LS) measurement can indicate the improvement of fibrosis. We aimed to investigate predictors for LS improvement assessed by changes in patients receiving long-term TDF therapy in chronic hepatitis B (CHB) with liver cirrhosis. CHB patients with histologically proven liver cirrhosis who received TDF as the first-line therapy from 2012 to 2015 were recruited. LS and controlled attenuation parameter (CAP) measurements were repeated at baseline and 3 years after therapy. Liver stiffness improvement was defined as a drop of LS value ≥30% from the baseline. A total of 131 patients were enrolled (mean age 51.4% and male 64.9%). After 3 years of TDF therapy, the mean LS value significantly improved (from 14.7 to 8.6 kPa, P <.001), and 96 (73.3%) patients have achieved LS improvement. Predictors associated with improvement of LS were low body mass index (BMI), HBeAg positivity, and low CAP value at baseline. In multivariate analysis, low BMI was a single factor independently associated with LS improvement (odds ratio 0.680, 95% CI 0.560-0.825, P <.001). Patients with BMI < 23.5, had a 1.96 times more chance of achieving LS improvement compared to those with BMI ≥ 23.5 (90.1% vs. 46.0%, P =.001). High BMI was a single significant factor hindering the fibrosis improvement in patients receiving long-term TDF therapy in CHB with liver cirrhosis. Life style modification and BMI reduction should be encouraged to enhance fibrosis improvement.

Original languageEnglish
JournalJournal of Viral Hepatitis
DOIs
Publication statusAccepted/In press - 2020

All Science Journal Classification (ASJC) codes

  • Hepatology
  • Infectious Diseases
  • Virology

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