学術雑誌論文 Single-Fraction Carbon-Ion Radiation Therapy for Patients 80 Years of Age and Older With Stage I Non-Small Cell Lung Cancer.

Karube, Masataka  ,  Yamamoto, Naoyoshi  ,  Nakajima, Mio  ,  H, Yamashita  ,  K, Nakagawa  ,  Miyamoto, Tadaaki  ,  Tsuji, Hiroshi  ,  Fujisawa T  ,  Kamada, Tadashi

95 ( 1 )  , pp.542 - 548 , 2016-05 , Tarrytown Ny : Elsevier Science Inc
内容記述
PURPOSE: In an aging society, many senior citizens want less invasive treatment because of potential medical complications. The National Institute of Radiological Sciences has started to treat stage I lung cancer with single-fraction carbon-ion radiation therapy (CIRT) as a dose escalation prospective phase 1/2 trial. We evaluated the efficacy and safety of CIRT for patients 80 years of age and older, undergoing single-fraction CIRT.METHODS AND MATERIALS: Peripheral non-small cell lung cancer patients who were treated with single-fraction CIRT were prospectively followed. We analyzed the data from among these patients 80 years of age and older.RESULTS: There were 70 patients. Median age was 83 years (range: 80-89) and median follow-up period was 42.7 months (range: 12-128 months). Three-year local control, cause-specific survival, and overall survival rates were 88.0%, 81.6%, and 72.4%, respectively. Five-year local control, cause-specific survival, and overall survival rates were 85.8%, 64.9%, and 39.7%, respectively. There were no adverse effects higher than grade 2 either in the acute or late phase in terms of skin and lung. Analgesic agents were necessary for only 5 patients (7.1%), to relieve muscular or rib fracture pain caused by irradiation.

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