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Concurrent Chemoradiotherapy with Biweekly Gemcitabine and Cisplatin in Patients with Locally Advanced Non-small Cell Lung Cancer

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Á¤¸¸È«(Jung Maan-Hong) - °í½Å´ëÇб³ ÀÇ°ú´ëÇÐ ³»°úÇб³½Ç
±èÀÚ°æ(Kim Ja-Kyung) - °í½Å´ëÇб³ ÀÇ°ú´ëÇÐ ³»°úÇб³½Ç

Abstract

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¿ë½Ã±â¿Í ¹æ¹ý¿¡ À־´Â È®¸³µÈ ¹Ù°¡ ¾ø¾î¼­ gemcitabine, cisplatin º´¿ëÈ­Çпä¹ý°ú µ¿½Ã ¹æ»ç¼±Ä¡·áÀÇ Ä¡·áÈ¿°ú ¹× ¾ÈÀü¼ºÀ» È®ÀÎÇÏ¿´´Ù.

´ë»ó ¹× ¹æ¹ý: µ¿½Ã Ç×¾ÏÈ­ÇÐ ¹æ»ç¼±¿ä¹ý½Ã gemcitabine 500 mg/m2, cisplatin 30 mg/m2 ¿ä¹ýÀº 2ÁÖ °£°ÝÀ¸·Î ȯÀÚÀÇ ¼øÀÀµµ¿¡ µû¸¥ ¹æ»ç¼±Ä¡·á ±â°£ÀÇ º¯µ¿À» °¨¾ÈÇؼ­ 3¡­4ȸ Ä¡·áÇÏ´Â °ÍÀ» ¿øÄ¢À¸·Î ÇÏ¿´°í ÈäºÎ¹æ»ç¼±Ä¡·á´Â 1ÀÏ 1ȸ 1.8 Gy ¾¿, ÁÖ5ȸ ºÐÇÒÁ¶»ç ÇÏ¿´À¸¸ç, ¿ø¹ßº´¼Ò¿Í Á¾°Ýµ¿ ¹× ÀüÀ̸¦ ³ªÅ¸³½ ¸²ÇÁÀýÀ» Æ÷ÇÔÇÑ ºÎºÐ¿¡ 50.4 Gy¸¦ Á¶»ç ÈÄ ÁúȯÀÌ ÁøÇàµÇÁö ¾Ê¾ÒÀ» °æ¿ì ¿ø¹ß º´¼Ò¿¡ 18 Gy¸¦ Ãß°¡ Á¶»çÇÏ¿´´Ù. °ø°í È­Çпä¹ýÀº 3ÁÖ °£°ÝÀ¸·Î 2¡­3ȸ Ä¡·áÇÏ¿´´Ù. Ä¡·á¹ÝÀÀÀÇ ÆÇÁ¤Àº µ¿½Ã Ç×¾ÏÈ­ÇÐ ¹æ»ç¼±¿ä¹ý ÈÄ¿Í °ø°í È­Çпä¹ý ÈÄ¿¡ °¢°¢ WHOÀÇ ÆÇÁ¤±âÁØ¿¡ µû¶ó Æò°¡Çß´Ù.

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°á ·Ð: ±¹¼ÒÁøÇ༺ ºñ¼Ò¼¼Æ÷Æó¾ÏȯÀÚ¿¡¼­ gemcitabine 500 mg/m2°ú cisplatin 30 mg/m2ÀÇ 2ÁÖ °£°Ý Åõ¿©¿Í µ¿½Ã
Ç×¾ÏÈ­Çйæ»ç¼±Ä¡·á´Â ³ôÀº Ä¡·á¹ÝÀÀ·üÀ» ³ªÅ¸³»¾ú´Ù. ±×·¯³ª 3µµ ÀÌ»óÀÇ ½Äµµ¿°°ú Æó·ÅÀÌ ¿¹»óº¸´Ù ¸¹ÀÌ °üÂûµÇ¾î ÀÌ¿¡ ´ëÇÑ ºÎÀÛ¿ëÀ» ÁÙÀ̱â À§ÇÑ ÀûÀýÇÑ ¹æ¹ýµéÀÌ °­±¸µÇ¾î¾ß ÇÒ °ÍÀ̸ç, Ç×¾ÏÁ¦ÀÇ ¿ë·®Á¶Àý, ¹æ»ç¼±Á¶»ç·®ÀÇ Á¶Àý°ú Ư¼ö ¹æ»ç¼±Ä¡·á¹æ¹ýµéÀÇ °³¹ßÀÌ ÇÊ¿äÇϸ®¶ó°í ÆǴܵǾú´Ù.
Purpose: In cases of locally advanced non-small cell lung cancer (NSCLC), concurrent chemoradiotherapy
(CCRT) is the leading therapeutic modality. However, much controversy exists about the chemotherapeutic regimens and radiation methods.

Materials and Methods: During concurrent chemoradiotherapy, three or four cycles of gemcitabine (500 mg/m2)
and cisplatin (30 mg/m2) were administered every two weeks while 50.4 Gy of irradiation was administered in 28 fractions (once/day, 5 treatment days/week) to the tumor site, mediastinum, and the involved lymph node region. In addition, a booster irradiation dose of 18 Gy in 10 fractions was administered to the primary tumor site unless the disease progressed. Two or three cycles of consolidation chemotherapy were performed with gemcitabine (1,200 mg/m2, 1st and 8th day) and cisplatin (60 mg/m2) every three weeks.

Results: A total of 29 patients were evaluable for modality response. Response and treatment toxicities were
assessed after concurrent chemoradiotherapy and consolidation chemotherapy, respectively. One patient (4%) achieved a complete response; whereas 20 patients (69%) achieved a partial response after concurrent chemoradiotherapy. Following the consolidation chemotherapy, three patients (10.3%) achieved complete responses and 21 patients (72.4%) achieved partial responses. The median follow-up period was 20 months (range 3¡­39 months) and the median survival time was 16 months (95% CI; 2.4¡­39.2 months). The survival rates in one, two, and three years after the completion of treatment were 62.7%, 43.9%, and 20%, respectively. Complications associated to this treatment modality included grade 3 or 4 esophagitis, which occurred in 15 patients (51.7%). In addition, an incidence of 24% for grade 3 and 14% for grade 4 neutropenia. Lastly, grade 2 radiation pneumonitis occurred in 6 patients (22%).

Conclusion: The response rate and survival time of concurrent chemoradiotherapy with biweekly gemcitabine
(500 mg/m2) and cisplatin (30 mg/m2) were encouraging in patients with locally advanced NSCLC. However, treatment related toxicities were significant, indicating that further modification of therapy seems to be warranted.

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µ¿½Ã Ç×¾ÏÈ­ÇÐ ¹æ»ç¼±¿ä¹ý, ºñ¼Ò¼¼Æ÷Æó¾Ï
Concurrent chemoradiotherapy, Non-small cell lung cancer, Gemcitabine, Cisplatin
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Although treatment related toxicities were significant, the response rate and survival time of concurrent chemoradiotherapy with biweekly gemcitabine (500 mg/m2) and cisplatin (30 mg/m2) were encouraging in patients with locally advanced NSCLC.
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