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Rescue monotherapy in lamivudine-resistant hepatitis B e antigen-positive chronic hepatitis B: adefovir versus entecavir

Authors
 Jung Min Lee  ;  Hyung Joon Kim  ;  Jun Yong Park  ;  Chun Kyon Lee  ;  Do Young Kim  ;  Ja Kyung Kim  ;  Hyun Woong Lee  ;  Yong Han Paik  ;  Kwan Sik Lee  ;  Kwang-Hyub Han  ;  Chae Yoon Chon  ;  Sun Pyo Hong  ;  Tin Nguyen  ;  Sang Hoon Ahn 
Citation
 ANTIVIRAL THERAPY, Vol.14(5) : 705-712, 2009 
Journal Title
 ANTIVIRAL THERAPY 
ISSN
 1359-6535 
Issue Date
2009
MeSH
Adenine/analogs & derivatives* ; Adenine/therapeutic use ; Adult ; Aged ; Antiviral Agents/pharmacology ; Antiviral Agents/therapeutic use* ; Drug Resistance, Viral*/genetics ; Female ; Guanine/analogs & derivatives* ; Guanine/therapeutic use ; Hepatitis B e Antigens/blood ; Hepatitis B virus/drug effects ; Hepatitis B, Chronic/blood ; Hepatitis B, Chronic/drug therapy* ; Hepatitis B, Chronic/virology ; Humans ; Lamivudine/pharmacology* ; Male ; Middle Aged ; Organophosphonates/therapeutic use* ; Retrospective Studies ; Reverse Transcriptase Inhibitors/therapeutic use ; Salvage Therapy ; Treatment Outcome ; Young Adult
Abstract
BACKGROUND: The efficacy of adefovir dipivoxil (ADV) or entecavir (ETV) rescue monotherapy has not been directly compared in hepatitis B e antigen (HBeAg)-positive patients with lamivudine (3TC)-resistant chronic hepatitis B (CHB). We compared the efficacy of ADV and ETV rescue monotherapy in HBeAg-positive patients with confirmed genotypic 3TC resistance. METHODS: A total of 160 HBeAg-positive patients with confirmed 3TC resistance underwent switch therapy (91 ADV and 59 ETV). Parameters assessed included alanine aminotransferase (ALT) normalization, HBeAg seroconversion, undetectable serum hepatitis B virus (HBV) DNA by PCR (lower detection limit <300 copies/ml), virological breakthrough and initial virological response (IVR) at 3 (IVR-3) and 6 (IVR-6) months. RESULTS: Following 52 weeks of treatment in the ADV and ETV groups, serum HBV DNA became undetectable in 25 (27.5%) and 21 (35.6%; P=0.292) patients, ALT normalization occurred in 67/78 (85.9%) and 43/47 (91.5%; P=0.351), HBeAg seroconversion in 4 (4.4%) and 1 (1.7%; P=1.000), IVR-3 in 19 (20.9%) and 18 (30.5%), IVR-6 in 40 (44.0%) and 25 (42.4%) and virological breakthrough in 2 (2.2%) and 1 (1.7%; P=1.000) patients, respectively. CONCLUSIONS: ADV and ETV revealed comparable efficacy after 52 weeks of treatment in HBeAg-positive patients with 3TC resistance. Undetectable HBV DNA in serum following 52 weeks of treatment was predictable with IVR-3 and IVR-6 in both groups
Full Text
http://www.intmedpress.com/journals/avt/abstract.cfm?id=1091&pid=88
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Do Young(김도영)
Kim, Ja Kyung(김자경) ORCID logo https://orcid.org/0000-0001-5025-6846
Park, Jun Yong(박준용) ORCID logo https://orcid.org/0000-0001-6324-2224
Paik, Yong Han(백용한)
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 Min(이중민)
Lee, Chun Kyon(이천균)
Lee, Hyun Woong(이현웅) ORCID logo https://orcid.org/0000-0002-6958-3035
Chon, Chae Yoon(전재윤)
Han, Kwang-Hyub(한광협) ORCID logo https://orcid.org/0000-0003-3960-6539
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/104832
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