Management of Clevudine-Resistant Chronic Hepatitis B: A Multicenter Cohort Study
- Authors
- Cho, Eun Young; Yim, Hyung Joon; Jung, Young Kul; Suh, Sang Jun; Seo, Yeon Seok; Kim, Ji Hoon; Kim, Hong Soo; Lee, Sae Hwan; Ahn, Sang Hoon; Lees, Jeong Il; Jeong, Sook-Hyang; Kim, Jin-Wook; Lee, Jin-Woo; Kim, In Hee; Kim, Hyoung Su; Park, Sang Jong; Lee, Jeong Mi; Hwang, Seong Gyu
- Issue Date
- 1월-2017
- Publisher
- EDITORIAL OFFICE GUT & LIVER
- Keywords
- Clevudine; Resistance; Hepatitis B; chronic; Therapy
- Citation
- GUT AND LIVER, v.11, no.1, pp.129 - 135
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- GUT AND LIVER
- Volume
- 11
- Number
- 1
- Start Page
- 129
- End Page
- 135
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/84978
- DOI
- 10.5009/gn115597
- ISSN
- 1976-2283
- Abstract
- Background/Aims: Data are lacking regarding the management of chronic hepatitis B (CHB) with resistance to clevudine (CLV). This study evaluated the efficacy of different rescue therapies for CLV-resistant CHB. Methods: Patients with CLV-resistant CHB were enrolled in the cohort, and all patients developed virologic breakthrough during CLV therapy and had confirmed-genotypic resistance to CLV (rtM2041 mutation) before enrollment. Results: Of the 107 patients, 12 received adefovir (ADV), 21 received a CLV plus ADV combination (CLV+ADV), 34 received a lamivudine plus ADV combination (LAM+ADV), and 40 received entecavir (ETV) therapy for 48 weeks. The CLV+ADV group had the lowest hepatitis B virus (HBV) DNA level (p<0.0001) and showed the greatest reduction of HBV DNA levels from baseline compared to all other groups (p=0.004) at week 48. HBV DNA was undetectable (<70 IU/mL) in 0%, 57.1%, 21.2%, and 27.5% (p=0.003) of the patients in each group, respectively, at week 48. At the end of the study, the mean alanine transaminase (ALT) level, rate of ALT normalization, and rate of hepatitis B envelope antigen loss or seroconversion did not differ between groups. Conclusions: CLV+ADV combination therapy in patients with CLV-resistant CHB more effectively suppresses HBV replication than ETV, ADV, or LAM+ADV therapy.
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