Pediatric Gastroenterology, Hepatology & Nutrition

  • 제13권1호
  • /
  • Pages.44-50
  • /
  • 2010
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  • 2234-8646(pISSN)
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  • 2234-8840(eISSN)
대한소아소화기영양학회 (The Korean Society of Pediatric Gastroenterology, Hepatology and Nutrition)
권호 표지

라미부딘 내성 소아 청소년 만성 B형 간염에서 Entecavir 치료 경험

Experience with Entecavir Therapy for Lamivudine-Resistant Chronic Hepatitis B in Korean Children and Adolescents

  • 조승만 (경북대학교 의학전문대학원 소아과학교실) ;
  • 최병호 (경북대학교 의학전문대학원 소아과학교실) ;
  • 추미애 (경북대학교 의학전문대학원 소아과학교실) ;
  • 김정미 (경북대학교 의학전문대학원 소아과학교실)
  • Cho, Seung-Man (Department of Pediatrics, Kyungpook National University School of Medicine) ;
  • Choe, Byung-Ho (Department of Pediatrics, Kyungpook National University School of Medicine) ;
  • Chu, Mi-Ae (Department of Pediatrics, Kyungpook National University School of Medicine) ;
  • Kim, Jung-Mi (Department of Pediatrics, Kyungpook National University School of Medicine)
  • 투고 : 2010.02.02
  • 심사 : 2010.03.04
  • 발행 : 2010.03.30
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초록

목 적: 라미부딘에 내성을 보인 소아 청소년 만성 B형 간염에서 엔테카비어 단독요법의 바이러스 억제효과를 확인하고자 하였다. 방 법: 라미부딘에 내성을 보이는 소아 청소년 만성 B형 간염 환자 23명 중 6명(남 4, 나이 15.1~24.6세, 평균 17.5세)에게 엔테카비어 1 mg으로 치료하였으며 (평균 13.4개월, 1~21.1개월) 아데포비어로 치료한 11명과 비교하였다. 치료 시작 후 HBV DNA 역가가 1 $log_{10}$ 이하, 2 $log_{10}$ 이하, 357 IU/mL 이하로 감소하는데 걸리는 기간을 각각 구하여 서로 비교하였다. 결 과: HBV DNA 역가가 2 $log_{10}$ IU/mL 이상 감소하는데 걸린 기간은 각각 2.4${\pm}$2.3개월, 9.2${\pm}$7.3개월로 (p=0.025) 두 군 간에 유의한 차이가 있었다. HBV DNA 역가가 1 $log_{10}$ IU/mL 이상 감소하는데 걸린 기간 및 357 IU/mL 이하로 감소하는데 걸린 기간은 두 군 간에 유의한 차이가 없었다. 결 론: 라미부딘 내성 소아 청소년 만성 B형 간염에서 엔테카비어 단독요법은 아데포비어 단독요법과 비교해 볼 때 HBV DNA 역가가 2 $log_{10}$ IU/mL 이상 감소하는데 걸린 기간이 유의하게 짧았다. 특별한 부작용은 관찰되지 않았다. 엔테카비어의 치료 효과를 알기 위하여 더 많은 환자를 대상으로 한 장기 치료가 필요하다.

Purpose: To estimate the viral suppressive effect of entecavir monotherapy in Korean children and adolescents with lamivudine-resistant chronic hepatitis B (CHB). Methods: One milligram of entecavir was administered once daily to 6 patients (4 boys; mean age, 17.5 years; range, 15.10~24.6 years) with lamivudine-resistant CHB for a mean duration of therapy of 13.4 months (range, 1~21.1 months). The therapeutic results were compared with 11 patients who received adefovir (0.3 mg/kg/day [maximal dose 10 mg]) for at least 12 months (mean, 33.4 months; range, 12.4~58.3 months). The serum HBV DNA level and serologic markers were measured every 2 months. Results: The interval to a HBV DNA titer decrement (>1 $log_{10}$) was 1.2${\pm}$0.2 and 4.4${\pm}$5.2 months (p=0.185) for the entecavir and adefovir groups, respectively. The interval to a HBV DNA titer decrement (>2 $log_{10}$) was 2.4${\pm}$2.3 and 9.2${\pm}$7.3 months (p=0.025), for the entecavir and adefovir groups, respectively. Conclusion: The therapeutic efficacy of entecavir was favorable in children and adolescents, especially in shortening the interval to a >2 $log_{10}$ decrement in the HBV DNA titer. Long-term follow up is needed to determine the therapeutic efficacy of entecavir for lamivudine-resistant CHB in children and adolescents.

키워드

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