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Abstract

¸ñ Àû: ¼Ò¾Æ ¸¸¼º BÇü °£¿° ȯ¾Æµé¿¡°Ô ¶ó¹ÌºÎµòÀ¸·Î Ä¡·á ½ÃÀÛ ÈÄ ±× Ä¡·á È¿°ú¸¦ Æò°¡ÇÏ°í ¼Ò¾Æ¿¡¼­ ¶ó¹ÌºÎµò Àå±â Ä¡·áÀÇ Áö¼Ó¼º°ú ¾ÈÁ¤¼º¿¡ ´ëÇØ °ËÁõÇÏ°íÀÚ ÇÏ¿´´Ù.

´ë»ó ¹× ¹æ¹ý:1999³â 3¿ùºÎÅÍ °æºÏ´ëÇб³º´¿ø ¼Ò¾Æ°ú¿¡¼­ ¸¸¼º BÇü °£¿°À¸·Î ¶ó¹ÌºÎµò Ä¡·á¸¦ ½ÃÀÛÇÑ ÈÄ 2004³â 9¿ù ÇöÀç±îÁö ÃÖ¼Ò 6°³¿ù ÀÌ»ó Ä¡·áÇÑ 48¸í(³² 31, ¿© 17¸í, 1¡­18¼¼, Æò±Õ 8¼¼)À» ´ë»óÀ¸·Î 29°³¿ù(8¡­66°³¿ù) ÃßÀû °üÂûÇϸ鼭 ¿¬±¸¸¦ ½ÃÇàÇÏ¿´´Ù. Ä¡·á¿¡ ´ëÇÑ È¿°ú´Â Ä¡·á ½ÃÀÛ ÈÄ Ç÷û ALT Ä¡ÀÇ Á¤»óÈ­¿Í HBV DNAÀÇ À½Àü ¹× HBeAg/anti-HBe·ÎÀÇ Ç÷ûÀüȯÀ» ¸ðµÎ ¸¸Á·ÇÒ ¶§ Ä¡·á¹ÝÀÀÀÌ ÀÖ´Ù°í Á¤ÀÇÇÏ¿´´Ù. Kaplan-Meier¹ýÀ» ÀÌ¿ëÇÑ ´©Àû HBeAg Ç÷ûÀüȯÀ²À» Ä¡·á ½ÃÀÛ 0.5,
1, 1.5, 2, 2.5, 3³â¿¡¼­ ±¸ÇÏ¿´´Ù.

°á °ú: ¶ó¹ÌºÎµòÀ¸·Î Ä¡·á ½ÃÀÛ ÈÄ 0.5³âÀÌ °æ°úÇÑ 48¸í Áß Ä¡·á ¹ÝÀÀÀº 29¸í(60%)¿¡¼­ º¸¿´°í 9¸í (19%)¿¡¼­´Â HBsAgÀÇ ¼Ò½Çµµ ÀϾ´Ù. Ä¡·á ½ÃÀÛ 1³â° ALTÄ¡°¡ Á¤»óÈ­µÈ ȯ¾Æ´Â 94%, HBV DNA Ä¡°¡ À½ÀüµÈ ȯ¾Æ´Â 94%, HBeAg Ç÷ûÀüȯ±îÁö µÇ¾î Ä¡·á ¹ÝÀÀÀÌ ÀÖ´ø ȯ¾Æ´Â 34%¿´´Ù. Kaplan-Meier¹ý¿¡ ÀÇÇÑ ´©Àû HBeAg Ç÷ûÀüȯÀ²Àº 0.5, 1,1.5, 2, 2.5, 3³â°¿¡ °¢°¢ 13, 34, 50, 68, 79, 90%·Î °è»êµÇ¾ú´Ù. ƯÈ÷ 7¼¼ ¹Ì¸¸ÀÇ ¼Ò¾Æ 22¸í Áß¿¡¼­´Â HBsAgÀÇ ¼Ò½ÇÀÌ 8¸í(36%)¿¡¼­ ÀϾ 7¼¼ À̻󿡼­ Ä¡·á¸¦ ½ÃÀÛÇÏ´Â °Í¿¡ ºñÇÏ¿© Ź¿ùÇÑ ¼ºÀûÀ» º¸¿©ÁÖ¾ú´Ù(p=0.002).

°á ·Ð: Çѱ¹ÀÇ ¼Ò¾Æ ¸¸¼º BÇü °£¿° ȯ¾Æ¿¡¼­ ¶ó¹ÌºÎµòÀÇ Àå±â Ä¡·á´Â HBeAg Ç÷ûÀüȯÀ» °¡¼ÓÈ­½ÃÅ°¸ç 3³â µ¿¾È ÃßÀû °üÂû °á°ú Àå±âÀûÀ¸·Î Ä¡·á¹ÝÀÀÀÌ Áö¼ÓµÇ¾ú´Ù. ¼Ò¾Æ ¸¸¼º °£¿°ÀÇ °æ°ú °üÂû Á߸鿪Á¦°Å±â¿¡ µé¾î¼­¸é ¶ó¹ÌºÎµòÀ¸·Î Àå±â°£ Àû±Ø
ÀûÀÎ Ä¡·á¸¦ ½ÃµµÇÏ´Â °ÍÀÌ ÁÁÀ» °ÍÀ¸·Î »ý°¢ÇÑ´Ù.

Purpose:To evaluate the long-term therapeutic efficacy and durability of lamivudine in Korean children with chronic hepatitis B.

Methods:A total of 48 children (31 male and 17 female; age, 1~18 years, mean, 8 years) with chronic hepatitis B who received lamivudine for at least six months from March 1999 to September 2004 were followed for a mean period of 29 months (8~66 months) at Department of Pediatrics, Kyungpook National University Hospital in Korea. Response to treatment was defined as the normalization of ALT and HBV DNA levels, and HBeAg seroconversion after the initiation of treatment.

Results:Twenty nine (60%) among the 48 children treated with lamivudine responded and nine (19%) children lost HBsAg during therapy. ALT and HBV DNA level had normalized in 94% one year after the initiation of treatment. Kaplan-Meier estimates of cumulative HBeAg seroconversion rates over the years were 13% (0.5 year), 34% (1 year), 50% (1.5 years), 68% (2 years), 79% (2.5 years) and 90% at 3 years respectively. Above all, among the 22 children treated before the age of seven, loss of HBsAg occurred in eight (36%), which showed superior rate of HBsAg loss (p=0.002 vs age >7).
Conclusion:Long-term treatment of lamivudine improved the rate of HBeAg seroconversion in Korean children with chronic hepatitis B. After three years¡¯ observation, most of treated children have sustained HBeAg clearance. We believe that lamivudine should be tried as the first therapeutic option for children with chronic hepatitis B in immune clearance phase

Å°¿öµå

Chronic hepatitis B;Children;Lamivudine;Hepatitis B e Antigens;Hepatitis B sAntigens;Seroconversion;Treatment

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KCI
KoreaMed
KAMS