Docetaxel as Second-line Monotherapy for Advanced Non-small Cell Lung Cancer

진행성 비소세포폐암의 이차항암화학요법으로서 Docetaxel 단독요법의 성적

  • Kang, Hyun Mo (Department of Internal Medicine, College of Medicine, Cancer Research Institute, Chungnam National University) ;
  • Lee, Jeong Eun (Department of Internal Medicine, College of Medicine, Cancer Research Institute, Chungnam National University) ;
  • Jang, Pil Soon (Department of Internal Medicine, College of Medicine, Cancer Research Institute, Chungnam National University) ;
  • Lee, Yun Sun (Department of Internal Medicine, College of Medicine, Cancer Research Institute, Chungnam National University) ;
  • Kwon, Sun Jung (Department of Internal Medicine, College of Medicine, Cancer Research Institute, Chungnam National University) ;
  • An, Jin Young (Department of Internal Medicine, College of Medicine, Cancer Research Institute, Chungnam National University) ;
  • Jung, Sung Soo (Department of Internal Medicine, College of Medicine, Cancer Research Institute, Chungnam National University) ;
  • Kim, Ju Ock (Department of Internal Medicine, College of Medicine, Cancer Research Institute, Chungnam National University) ;
  • Kim, Sun Young (Department of Internal Medicine, College of Medicine, Cancer Research Institute, Chungnam National University)
  • 강현모 (충남대학교 의과대학 내과학교실 암공동연구소) ;
  • 이정은 (충남대학교 의과대학 내과학교실 암공동연구소) ;
  • 장필순 (충남대학교 의과대학 내과학교실 암공동연구소) ;
  • 이연선 (충남대학교 의과대학 내과학교실 암공동연구소) ;
  • 권선중 (충남대학교 의과대학 내과학교실 암공동연구소) ;
  • 안진영 (충남대학교 의과대학 내과학교실 암공동연구소) ;
  • 정성수 (충남대학교 의과대학 내과학교실 암공동연구소) ;
  • 김주옥 (충남대학교 의과대학 내과학교실 암공동연구소) ;
  • 김선영 (충남대학교 의과대학 내과학교실 암공동연구소)
  • Received : 2005.01.17
  • Accepted : 2005.04.06
  • Published : 2005.05.30

Abstract

Background : The survival benefit associated with first-line chemotherapy in lung cancer has led to the need for second-line chemotherapy, for which Docetaxel ($Taxotere^{(R)}$) has proven efficacy in both settings. This study evaluated the safety and efficacy of docetaxel in patients with non-small cell lung cancer who had failed first-line platinum-based chemotherapy. Methods : Thirty one patients with non-small-cell lung cancer, who had failed first-line platinum-based chemotherapy, between March 1999 and August 2003, were enrolled in this study. Patients received intravenous docetaxel, either $75mg/m^2$ or $100mg/m^2$, with routine premedication every three weeks. Results : Fourteen patients (45.2%) had a partial response. The median survival and progression-free survival times were 12.5 months (95% CI 7.3-17.6) and 3.0 months (95% CI 1.6-4.5), respectively. This study showed 2 factors gave different survival benefits; the age (< 60 years: 20.1 months vs. ${\geq}60years$: 6.6 months, p = 0.0105) and the histological type (adenocarcinoma: 25.6 months vs. others: 7.9 months, p=0.0055). The predominant toxicity was neutropenia, which occurred as WHO grade 3 or 4 in 38.7 % of patients. One treatment-related death was also reported. Non-hematological toxicity was minor and easily controlled. There were no significant statistical differences in the survival benefit and toxicity between the two doses. Conclusion : Docetaxel, as second-line monotherapy, was well tolerated and effective in patients with non-small-cell lung cancer who failed first-line platinum-based chemotherapy.

연구배경 : 일차항암화학요법 후에 생존의 이득을 얻었음에도 불구하고 비소세포폐암 환자들의 대다수가 결국은 재발하거나 진행성 병변을 보인다. 이에 저자들은 기존의 여러 연구에서 보고 된 구제요법으로서 docetaxel의 항암효과와 비교적 적은 독성의 결과를 바탕으로, platinum을 근거로 한 항암화학요법을 시행 받았으나 재발되거나 진행된 비소세포폐암 환자들을 대상으로 docetaxel 단독요법의 치료효과와 부작용에 대하여 알아보고자 하였다. 방 법 : 조직학적으로 비소세포폐암으로 진단을 받고 platinum을 근거로 한 항암화학요법을 받았으나 재발 또는 진행성 병변을 보인 31명의 환자들을 대상으로 docetaxel $75mg/m^2$ 또는 $100mg/m^2$을 3주마다 정주하였다. 임상기록을 통한 후향적인 방법으로 분석하였다. 결 과 : 1) 재발 또는 진행성 병변을 보인 31명중 남녀 비는 24:7이고 중앙연령은 60세였다. 2) 반응평가로 완전 관해는 없었고 부분관해는 14명(45.2%), 불변이 10명(32.3%), 진행이 7명(22.6%)으로 전체적인 반응율은 45.2%이었다. 3) 중앙생존기간은 12.5개월(95% 신뢰구간: 7.3개월-17.6개월) 이었고, 1년 생존율은 52%였다. 무진행생존기간의 중앙값은 3.0개월(95% 신뢰구간: 1.6개월 - 4.5개월)이며, 반응군에서의 중앙반응지속기간은 3.7개월(95% 신뢰구간: 3.0개월 - 4.4개월)이었다. 4) 60세 미만인 경우(20.1 months vs 6.6 months, p=0.0105), 조직학적 아형이 선암일 경우(25.6 months vs 7.9 months, p=0.0055) 통계적으로 유의한 생존기간의 증가가 있었다. 5) 부작용으로 3도 이상의 백혈구 감소증은 12명(38.7%), 호중구 감소증에 동반된 발열은 6명(19.3%), 감염이 동반된 호중구 감소증은 4명(12.9%)에서 발생했다. 치료와 관련되어 1명이 사망하였다. 6) Docetaxel 용량에 따른 생존기간의 차이나 독성의 차이는 없었다. 결 론 : Platinum을 근거로 하는 항암화학요법으로 치료받은 후 재발 또는 진행성 병변을 보이는 비소세포폐암 환자들에게 docetaxel을 투여하는 것은 비교적 안전하고 효과적인 항암치료법으로 사료된다.

Keywords

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