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Comprehensive Clinical Study of Concurrent Chemotherapy Breathing IMRT Middle Part of Locally Advanced Esophageal Cancer

국소진행성 중위부 식도암의 동시항암화학 호흡동조 세기변조방사선치료의 포괄적인 임상고찰

  • Jung, Jae Hong (Dept. of Radiation Oncology, College of Medicine, Soonchunhyang University of Korea) ;
  • Kim, Seung-Chul (Dept. of Radiology, Songho College of Korea) ;
  • Moon, Seong-Kwon (Dept. of Radiation Oncology, College of Medicine, Soonchunhyang University of Korea)
  • 정재홍 (순천향대학교 부천병원 방사선종양학과) ;
  • 김승철 (송호대학교 방사선과) ;
  • 문성권 (순천향대학교 부천병원 방사선종양학과)
  • Received : 2015.11.24
  • Accepted : 2015.12.07
  • Published : 2015.12.31

Abstract

The standard treatment of locally advanced type of mid-esophageal cancer is concurrent chemoradiation therapy (CRT). We evaluated the feasibility of chemotherapy with adding docetaxel to the classical basic regimens of cisplatin plus 5-fluorouracil (5-FU) and radiotherapy up to 70.2 Gy using dose escalations for esophageal cancer. It was possible to escalate radiation treatment dose up to 70.2 Gy by the respiratory-gated intensity-modulated radiotherapy (gated-IMRT) based on the 4DCT-simulation, with improving target coverage and normal tissue (ex., lung, heart, and spinal cord) sparing. This study suggested that the definitive chemo-radiotherapy with docetaxel, cisplatin, and 5-fluorouracil (i.e., DCF-R) and gating IMRT is tolerable and active in patients with locally advanced mid-esophageal cancer (AEC).

본 논문은 상당히 진행된 중위 식도암의 동시항암화학 방사선치료에 대한 분석의 것이다. 사용한 항암제는 전통적으로 사용되어온 시스플라틴, 5-플루오로우라실에, 도쎄탁실을 추가 시행하였다. 과거 식도암의 방사선치료에서는 총 선량 50.4 Gy/28회를 처방하였다. 하지만 현대의 방사선치료기술의 비약적인 발전으로, 호흡동조치료와 세기변조방사선치료를 적용하여, 정상조직의 손상을 최대한 감소시키면서 총 선량을 50.4 Gy이상으로 증가시키는 것이 가능하다. 이에 우리는, 도쎄탁실, 시스플라틴, 5-플루오로우라실 이라는 새로운 3제 병합요법(DCF-R)에 추가하여, 4DCT 모의시뮬레이션을 기반으로 한 호흡동조 세기변조방사선치료(gated-IGRT) 총 선량 70.2 Gy/39회를 동시에 시도하였으며, 치료기간 동안, 그리고 치료 종료 후 임상적으로 환자에게 위중한 합병증 및 부작용 발생은 관찰되지 않았다. 또한 생존율 향상을 이루어 냈다. 이를 바탕으로, 식도암의 새로운 치료방법을 제안한다.

Keywords

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