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Please use this identifier to cite or link to this item: http://hdl.handle.net/10564/3314

Title: Feasibility and efficacy of definitive radiotherapy with 66 GY and concurrent carboplatin-paclitaxel chemotherapy for stage Ⅲ non-small cell lung cancer.
Other Titles: Ⅲ期非小細胞肺癌に対するカルボプラチン・パクリタキセル同時併用66Gy放射線治療の安全性と有効性について
Authors: Inoue, Kazuya
Hontsu, Shigeto
Miura, Sachiko
Asakawa, Isao
Tamamoto, Tetsuro
Yoshimine, Tadashi
Kimura, Hiroshi
Hasegawa, Masatoshi
Keywords: Non-small cell lung cancer
Concurrent chemoradiotherapy
Carboplatin-paclitaxel chemotherapy
Issue Date: Apr-2017
Publisher: 奈良医学会
Citation: Journal of Nara Medical Association Vol.68 No.1,2,3 p.1-6 (2017.06)
Abstract: Purpose/Objectives: This study was conducted to assess the feasibility and efficacy of definitive radiotherapy (RT) with a total dose of 66Gy and concurrent carboplatin-paclitaxel chemotherapy for patients (pts) with stage Ⅲ non-small cell lung cancer. Materials/Methods: Between April 2007 and December 2013, 99 pts with non-small cell lung cancer were treated by RT with concurrent carboplatin-paclitaxel chemotherapy in our hospital. Sixty-eight of them received RT with a total dose of 66Gy. We analyzed 46 Stage Ⅲ pts who had been treated with RT using three-dimensional radiotherapy treatment planning. The prophylactic mediastinal lymph nodes were included in the clinical target volume of RT. The survival rate after the beginning of RT was estimated using the Kaplan-Meier method. We estimated the cumulative local failure and distant metastasis rates with the Fine-Gray method. Adverse events were evaluated according to the CTCAE (v.4.0). Results: The median age of the pts was 70.9 (52.8-78.7) years old (y.o.). The performance status (PS) of each pt was fairly good (ECOG PS 0: 25, PS 1: 20, PS3:1), and clinical stages (UICC 7th) consisted of twenty-nine ⅢA and seventeen ⅢB. Diagnoses were pathologically confirmed in 32 pts. The median follow-up period was 35.7 (2.0-82.2) months among all pts, and 55.9 (40.1-82.2) months among survivors. The 3- and 5-year Kaplan-Meier overall survival rates were 52.2 and 34.0%, respectively, and the median survival time was 36.6 months. The 3- and 5-year Kaplan-Meier progression-free survival rates were 29.1 and 21.9%, respectively, and the median progression-free survival time was 9.9 months. The 5-year local failure rate was 37.6%, and the 5-year distant metastasis rate was 49.7%. Sixteen (34.8%) pts required steroid administration because of radiation pneumonitis (CTCAE Grade 2 or higher) and two of them died (Grade 5). No other severe non-hematologic toxicity (Grade 3 or higher) was observed. Conclusion: These results suggest that definitive RT with a total dose of 66Gy and concurrent carboplatin-paclitaxel chemotherapy is feasible and may be promising for pts with Stage Ⅲ non-small cell lung cancer.
Description: 博士(医学)・甲第663号・平成29年3月15日
URI: http://hdl.handle.net/10564/3314
ISSN: 13450069
Academic Degrees and number: 24601A663
Degree-granting date: 2017-03-15
Degree name: 博士(医学)
Degree-granting institutions: 奈良県立医科大学
Appears in Collections:2016年度

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