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Á÷Àå¾ÏÀÇ ±ÙÄ¡Àû ÀýÁ¦¼ú ÈÄ º¸Á¶ È­Çпä¹ý°ú º¸Á¶ È­Çйæ»ç¼± º´¿ë¿ä¹ý Postoperative Adjuvant Chemotherapy and Chemoradiation for Rectal Cancer

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ÀÌ°­±Ô/Kang Kyoo Lee ¹Ú°æ¶õ/ÀÌÀÍÀç/±èÀÍ¿ë/½É±¤¿ë/±è´ë¼º/ÀÌÁ¾¿µ/Kyung Ran Park/Ik Jae Lee/Ik Yong Kim/Kwang Yong Sim/Dae Sung Kim/Jong Young Lee

Abstract

¸ñÀû: º» ¿¬±¸´Â AJCC º´±â ¥±±â¿Í ¥²±âÀÇ ±¹¼ÒÁøÇ༺ Á÷Àå¾ÏÀ¸·Î ±ÙÄ¡Àû ÀýÁ¦¼úÀ» ¹ÞÀº ȯÀÚµéÀ» ´ë»óÀ¸·Î °¢ º´±â¿¡¼­ º¸Á¶ È­Çпä¹ý ´Üµ¶¿¡ ºñÇØ È­Çйæ»ç¼± º´Çà¿ä¹ýÀÌ »ýÁ¸À² ¹× ¹«º´»ýÁ¸À²À» Çâ»ó½ÃÅ°´ÂÁö¿¡ ´ëÇÏ¿© ¾Ë¾Æº¸°íÀÚ ÇÏ¿´´Ù.

´ë»ó ¹× ¹æ¹ý: 1989³â 1¿ùºÎÅÍ 1999³â 12¿ù±îÁö AJCC º´±â ¥±±â¿Í ¥²±âÀÇ Á÷Àå¾ÏÀ¸·Î ±ÙÄ¡Àû ÀýÁ¦¼úÀÌ ½ÃÇàµÈ 144¸íÀ» ´ë»óÀ¸·Î ÇÏ¿´´Ù. ±× Áß º¸Á¶ Ä¡·á¹æ¹ý¿¡ µû¶ó ºÐ·ù¸¦ Çϸé È­Çпä¹ý ´Üµ¶±ºÀÌ 72¸íÀ̾ú°í, È­Çйæ»ç¼± º´Çà¿ä¹ý±ºÀº 72¸íÀ̾ú´Ù.
È­Çпä¹ýÀº
¼ö¼ú ÈÄ UFT¸¦ ¸ÅÀÏ °æ±¸º¹¿ëÇϰųª(Áß¾Ó°ª 12°³¿ù) 5-FU¸¦ ±âÃÊ·Î ÇÑ Ç×¾ÏÁ¦¸¦ 4ÁÖ °£°ÝÀ¸·Î Á¤¸ÆÁÖ»çÇÏ¿´°í, Åõ¿©±â°£Àº 1~18Â÷·Ê(Áß¾Ó°ª 6Â÷·Ê)ÀÌ¿´´Ù. ¹æ»ç¼±Ä¡·á´Â Á÷Àå°ú °ñ¹Ý ³» ¿µ¿ª ¸²ÇÁÀý ¿µ¿ª¿¡ 4,500 c§í¸¦ Á¶»çÇÑ ÈÄ ¼ö¼ú ºÎÀ§¿¡ 540~1,440 c§í (Áß¾Ó°ª
540
c§í) Ãß°¡Á¶»ç¸¦ ½ÃÇàÇÏ¿´´Ù. ÃßÀû°üÂû±â°£Àº 20~150°³¿ù·Î Áß¾Ó°ªÀº 44°³¿ùÀ̾ú´Ù.

°á°ú: 5³â »ýÁ¸À²Àº È­Çпä¹ý ´Üµ¶±º°ú È­Çйæ»ç¼± º´Çà¿ä¹ý±º¿¡¼­ °¢°¢ 60.9%¿Í 68.9% (p=0.095)¿´°í, 5³â ¹«º´»ýÁ¸À²Àº °¢°¢ 56.1%¿Í 63.8% (p=0.3510)·Î µÎ ±º»çÀÌ¿¡ À¯ÀÇÇÑ Â÷À̸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù. º´±âº°·Î ºÐ¼®ÇÏ¿´À» ¶§ ¥± ±â¿¡¼­ÀÇ 5³â »ýÁ¸À²Àº
È­Çпä¹ý
´Üµ¶±ºÀÌ 71.1%, È­Çйæ»ç¼± º´Çà¿ä¹ý±ºÀº 92.2%·Î µÎ ±º°£¿¡ Åë°èÀûÀ¸·Î À¯ÀÇÇÑ Â÷À̸¦ º¸¿´À¸³ª(p=0.0379), 5³â ¹«º´»ýÁ¸À²¿¡¼­´Â È­Çпä¹ý ´Üµ¶±ºÀÌ 57.3%, È­Çйæ»ç¼± º´Çà¿ä¹ý±ºÀº 85.4%·Î µÎ ±º°£¿¡ Åë°èÀûÀ¸·Î À¯ÀÇÇÑ Â÷À̸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù(p=0.1482).
¥²±â¿¡¼­´Â
5³â »ýÁ¸À²°ú ¹«º´»ýÁ¸À²ÀÌ È­Çпä¹ý ´Üµ¶±º¿¡¼­´Â 52.0%¿Í 47.8%¿´°í, È­Çйæ»ç¼± º´Çà¿ä¹ý±º¿¡¼­´Â 55.0%¿Í 49.8%·Î µÎ ±º »çÀÌ¿¡´Â À¯ÀÇÇÑ Â÷À̸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù(p=0.4280, p=0.7891). ±¹¼ÒÀç¹ßÀ²Àº È­Çпä¹ý ´Üµ¶±ºÀÌ 16.7%, È­Çйæ»ç¼± º´Çà¿ä¹ý±ºÀº
12.5%¿´°í,
¿ø°ÝÀç¹ßÀ²Àº È­Çпä¹ý ´Üµ¶±ºÀÌ 25.0%, È­Çйæ»ç¼± º´Çà¿ä¹ý±ºÀº 26.4%¿´´Ù.

°á·Ð: º» ¿¬±¸¿¡¼­´Â ¥±±â¿¡¼­ º¸Á¶ È­Çпä¹ý¿¡ ¹æ»ç¼±Ä¡·á¸¦ º´ÇàÇÔÀ¸·Î½á º¸Á¶ È­Çпä¹ý ´Üµ¶ Ä¡·á½Ã¿Í ºñ±³ÇÏ¿© »ýÁ¸À²ÀÇ À¯ÀÇÇÑ Áõ°¡¸¦ º¸¿´°í, ºñ·Ï Åë°èÀûÀ¸·Î À¯ÀÇÇÑ Â÷À̸¦ º¸ÀÌÁö´Â ¸øÇßÁö¸¸ ±¹¼ÒÀç¹ßÀ²ÀÇ °¨¼Ò¸¦ º¸¿´´Ù.

Purpose: The aim of this study was to determine if postoperative adjuvant chemotherapy (CT) alone and concurrent chemoradiation (CCRT), following radical surgery, improved the disease free survival (DFS) and overall survival (OS) in rectal
cancer
AJCC stage ¥± and ¥² patients.

Materials and Methods: A total of 144 patients with AJCC stage ¥± and ¥² rectal cancer who had had radical surgery between 1989 and 1999 were included in the study. Of these patients, 72 had been treated with postoperative CT, and the other
72
with postoperative CCRT. The chemotherapy regimen consisted of oral UFT on a daily basis for 1~12 months (median 12 months) or 5-FU (500 §·/§³ for 5 days) intravenous (¥³) chemotherapy with 4 week intervals for 1~18 cycles (median 6 cycles).
Radiation
of 4,500 c§í was delivered to the surgical bed and regional pelvic lymph nodes area, followed by 540~1,440 c§í (median 540 c§í) boost to the surgical bed. The follow-up period ranged from 20 to 150 months, with a median of 44 months.

Results: The 5-year OS was 60.9% and 68.9% (p=0.0915), and the 5-year DFS was 56.1% and 63.8% (p=0.3510) for postoperative CT and postoperative CCRT, respectively. In the stage ¥± patients, the 5-year OS was 71.1% and 92.2%, and the 5-year
DFS
was 57.3% and 85.4% for postoperative CT and CCRT, respectively. The OS was significantly improved (p=0.0379) but the DFS was not with postoperative CCRT compared to the postoperative CT (p=0.1482). In the stage ¥² patients, the 5-year OS was 52.0%
and
55.0%, and the 5-year DFS was 47.8% and 49.8% for postoperative CT and postoperative CCRT. There were no statistically significant differences between postoperative CT and CCRT (p=0.4280 and p=0.7891) in OS and DFS. The locoregional relapses were
16.7%
and 12.5% for postoperative CT and CCRT, respectively. The distant relapses were 25.0% and 26.4% for postoperative CT and CCRT, respectively.

Conclusion: These results showed that postoperative CCRT compared with CT alone improved OS in stage ¥± patients. Although there was no statistical significance, the addition of postoperative RT to CT reduced locoregional relapses compared
to CT
alone.

Å°¿öµå

Á÷Àå¾Ï; ±ÙÄ¡Àû ÀýÁ¦¼ú; È­Çйæ»ç¼± º´¿ë¿ä¹ý; Rectal cancer; Radical surgery; Concurrent chemoradiation;

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KoreaMed
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