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ÀÎÅÍÆä·Ð Ä¡·á¿¡ ¹ÝÀÀÀÌ ¾ø¾ú´ø ¼Ò¾ÆÀÇ ¸¸¼º BÇü °£¿°¿¡ ´ëÇÑ ¶ó¹ÌºÎµòÀÇ Ä¡·á È¿°ú Effect of Lamivudine Treatment on Chronic Hepatitis B Infectionin Children Unresponsive to Interferon

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¹ÚÀçÈ« ( Park Jae-Hong ) 
ºÎ»ê´ëÇб³ ÀÇ°ú´ëÇÐ ¼Ò¾Æ°úÇб³½Ç
±èÇý¿µ ( Kim Hye-Young ) 
ºÎ»ê´ëÇб³ ÀÇ°ú´ëÇÐ ¼Ò¾Æ°úÇб³½Ç

Abstract

¸ñ Àû: ÀÎÅÍÆä·ÐÀº ¼Ò¾Æ ¸¸¼º BÇü °£¿°ÀÇ Ä¡·á¿¡ ³Î¸® ¾²ÀÌ°í ÀÖÀ¸³ª 50% ÀÌ»óÀÇ È¯ÀÚ¿¡¼­ ÀÎÅÍÆä·Ð Ä¡·á¿¡ ¹ÝÀÀÀÌ ¾ø¾î Ãß°¡ÀûÀÎ ´Ù¸¥ Ä¡·á°¡ ÇÊ¿äÇÏ´Ù. ¶ó¹ÌºÎµòÀº BÇü °£¿° ¹ÙÀÌ·¯½º º¹Á¦ÀÇ ¾ïÁ¦Á¦·Î BÇü °£¿° Ä¡·áÁ¦·Î ³Î¸® ¾²ÀÌ°í ÀÖÀ¸³ª, ÀÎÅÍÆä·Ð Ä¡·á¿¡ ¹ÝÀÀÀÌ ¾ø¾ú´ø BÇü °£¿° ȯÀÚ¿¡ ´ëÇÑ ¶ó¹ÌºÎµòÀÇ Ä¡·á È¿°ú¿¡ ´ëÇÑ ¿¬±¸°¡ ¸¹Áö ¾Ê´Ù.

¹æ ¹ý: 2000³â 1¿ùºÎÅÍ 2007³â 12¿ù±îÁö ºÎ»ê´ëÇб³º´¿ø ¼Ò¾Æû¼Ò³â°ú¿¡¼­ ¸¸¼º BÇü °£¿°À¸·Î Áø´ÜµÇ¾î ÀÎÅÍÆä·Ð(interferon ¥á-2b, 10 MU/m2 ¶Ç´Â pegylated interferon 1.5¥ìg/kg)À¸·Î 6°³¿ù °£ Ä¡·á¸¦ ¹ÞÀº 33¸í Áß Ä¡·á¿¡ ¹ÝÀÀÀÌ ¾ø¾î Ä¡·á Á¾°á ÈÄ 6¡­12°³¿ù µÚºÎÅÍ ¶ó¹ÌºÎµò(3 mg/kg/ÀÏ, ÃÖ°í 100 mg/ÀÏ)À¸·Î Ä¡·á¸¦ ÇÑ 8¸í(³² 6¸í, ¿© 2¸í)À» ´ë»óÀ¸·Î ¶ó¹ÌºÎµòÀÇ Ä¡·á È¿°ú¸¦ ºÐ¼®ÇÏ¿´´Ù. ÀÓ»óÀû ¼Ò°ß¿¡ ´ëÇØ Àǹ«±â·ÏÁö¸¦ ÈÄÇâÀûÀ¸·Î °ËÅäÇÏ¿´´Ù.

°á °ú: ÀÎÅÍÆä·Ð Ä¡·á ½ÃÀÛ ½Ã ³ªÀÌ´Â 4.9¡¾3.1¼¼, ¶ó¹ÌºÎµò Ä¡·á ½ÃÀÛ ½Ã ³ªÀÌ´Â 6.1¡¾3.2¼¼¿´´Ù. ÀÎÅÍÆä·Ð Ä¡·á Àü Ç÷û ALT´Â 148.1¡¾105.8 IU/L¿´°í, HBV-DNA PCR log°ªÀº 6.95¡¾0.70 copies/mL¿´´Ù. ÀÎÅÍÆä·Ð Ä¡·á ÈÄ ALT´Â 143.1¡¾90.4 IU/L¿´°í, DNA PCR log°ªÀº 6.46¡¾2.08 copies/mL·Î Ä¡·á Àü°ú Â÷ÀÌ°¡ ¾ø¾ú°í(p£¾0.05), 2¸í¿¡¼­ HBeAg À½ÀüÀÌ ÀÖ¾ú´Ù. ¸ðµç ȯÀÚ¿¡¼­ ¶ó¹ÌºÎµò Ä¡·á ÈÄ 7.4¡¾2.1°³¿ù¿¡ ALT°¡ Á¤»óÈ­µÇ°í, ÀÌ¹Ì HBeAgÀÌ À½ÀüµÈ 2¸íÀ» Á¦¿ÜÇÑ 6¸í¿¡¼­ 7.9¡¾2.1°³¿ù¿¡ HBeAg Ç÷ûÀüȯÀÌ ÀÖ¾ú´Ù. HBV DNA´Â 2.4¡¾2.8°³¿ù¿¡ 7¸í(87.5%)¿¡¼­ À½¼ºÈ­µÇ¾ú´Ù. 2¸íÀº ¶ó¹ÌºÎµò Ä¡·á Á¾°á ÈÄ 3³â ÀÌ»ó Àç¹ßÀÌ ¾øÀ¸¸ç, 5¸íÀº ¿ÏÀü ¹ÝÀÀ »óÅ·Π24.4¡¾9.1°³¿ù°£ º¹¿ë ÁßÀÌ´Ù. 1¸íÀº 12°³¿ù°£ ¶ó¹ÌºÎµòÀ» º¹¿ëÇÏ¿© Ç÷û ALT°¡ Á¤»óÈ­µÇ°í HBeAg Ç÷ûÀüȯÀÌ ÀÖ¾úÀ¸³ª ¹ÙÀÌ·¯½º µ¹ÆÄÇö»óÀÌ ¹ß»ýÇÏ¿© Ä¡·á¸¦ Áß´ÜÇÏ¿´´Ù.

°á ·Ð: ¿¬±¸ ´ë»ó ȯÀÚ ¼ö°¡ Àû¾úÁö¸¸ ÀÎÅÍÆä·Ð Ä¡·á¿¡ ¹ÝÀÀÀÌ ¾ø¾ú´ø ¸¸¼º BÇü °£¿° ȯÀÚ¿¡¼­ ¶ó¹ÌºÎµòÀÇ Ä¡·á´Â ¸Å¿ì È¿°úÀûÀ̾ú´Ù.

Purpose: Interferon is a widely used treatment for chronic hepatitis B in children. However, additional treatment options are needed because more than 50% of hepatitis B patients are unresponsive to interferon. Although lamivudine is widely used to treat hepatitis B, there are few studies on the effect of lamivudine in hepatitis B patients unresponsive to interferon.

Methods: Eight interferon unresponsive patients (6 males and 2 females) were treated with lamivudine (3 mg/kg/day, maximum 100 mg/day) from 6¡­12 months after interferon treatment was discontinued among 33 children with chronic hepatitis B. They were treated with interferon (interferon ¥á-2b, 10 MU/m2 or pegylated interferon 1.5¥ìg/kg) for 6 months from January 2000 to December 2007 at the Pusan National University Hospital. The medical records were analyzed retrospectively.

Results: The age at treatment with interferon and lamivudine was 4.9¡¾3.1 and 6.1¡¾3.2 years, respectively. The serum ALT level before treatment with interferon was 148.1¡¾105.8 IU/L and the log HBV-DNA PCR mean value was 6.95¡¾0.70 copies/mL. The serum ALT level after treatment with interferon was 143.1¡¾90.4 IU/L and the log HBV-DNA mean PCR value was 6.46¡¾2.08. HBeAg negativization occurred in 2 patients. For all patients, normalization of the serum ALT levels and HBeAg seroconversion (except 2 patients with HBeAg negativization) occurred at 7.4¡¾2.1 and 7.9¡¾2.1 months respectively after lamivudine treatment. The HBV-DNA PCR became negative in 7 patients (87.5%) at 2.4¡¾2.8 months. Complete response was achieved in 7 patients and no recurrence was observed in 2 patients for 3 years after the completion of treatment. Five patients are still under treatment for a mean treatment duration of 24.4¡¾9.1 months. In one patient, viral breakthrough occurred and the treatment was stopped.

Conclusion: The number of patients was small, however, lamivudine treatment in patients with chronic hepatitis B who were unresponsive to interferon was highly effective.

Å°¿öµå

Hepatitis B;Children;Lamivudine;Interferon;Non-responder

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