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Phase II study of preoperative chemoradiotherapy (CRT) with irinotecan plus S-1 in locally advanced rectal cancer

 Sang Joon Shin  ;  Nam Kyu Kim  ;  Ki Chang Keum  ;  Ho Geun Kim  ;  Jun Seok Im  ;  Hye Jin Choi  ;  Seung Hyuk Baik  ;  Jae Hee Choen  ;  Hei-Cheul Jeung  ;  Sun Young Rha  ;  Jae Kyung Roh  ;  Hyun Cheol Chung  ;  Joong Bae Ahn 
 Radiotherapy and Oncology, Vol.95(3) : 303-307, 2010 
Journal Title
 Radiotherapy and Oncology 
Issue Date
BACKGROUND AND PURPOSE: The aim of this study is to evaluate the efficacy and safety of preoperative radiation therapy combined with S-1 and irinotecan (SI) in LARC. MATERIALS AND METHODS: Patients were considered LARC if they had a T3/T4 lesion or node positive. Weekly doses of 40 mg/m(2) irinotecan were intravenously administered once per week during weeks 1-5 of radiotherapy. S-1 (70 mg/m(2)) was given from Monday to Friday in all weeks of radiotherapy. 3-D conformal radiotherapy was given at daily fractions of 1.8Gy for 5days for a total dose of 50.4 (45+5.4)Gy. Surgery was performed 4-6 weeks following the completion of chemoradiation. RESULTS: Between June 2006 and November 2007, 43 pts were enrolled. The stage was: cT3 24 patients, cT4 6 patients; 28 patients were cN+. Forty-one patients completed the chemoradiation and 42 patients underwent operation: a low anterior resection was performed in 36 patients, a total colectomy in 1 patient, and an abdominal perineal resection in 5 patients. T downstaging was observed in 50%; 23 N+ patients became N- (55%). The complete pathological response was observed in 9 patients (21%). The 3-year locoregional failure rate, distant failure rate, disease-free survival, and overall survival were 9.5%, 18.6%, 72.1%, and 94.3%, respectively. Only three patients experienced G3 diarrhea; one had G3 sepsis and two had septic shock. Hematological toxicity (G3-G4) was observed in five patients. CONCLUSIONS: This study demonstrated the efficacy of preoperative CRT with S-1 and irinotecan with 21% of complete response. However, prompt recognition and management of infection is needed to use it in patients with locally advanced rectal cancer
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1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiation Oncology (방사선종양학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
금기창(Keum, Ki Chang) ORCID logo https://orcid.org/0000-0003-4123-7998
김남규(Kim, Nam Kyu) ORCID logo https://orcid.org/0000-0003-0639-5632
김호근(Kim, Ho Keun)
노재경(Roh, Jae Kyung)
라선영(Rha, Sun Young) ORCID logo https://orcid.org/0000-0002-2512-4531
백승혁(Baik, Seung Hyuk) ORCID logo https://orcid.org/0000-0003-4183-2332
신상준(Shin, Sang Joon) ORCID logo https://orcid.org/0000-0001-5350-7241
안중배(Ahn, Joong Bae) ORCID logo https://orcid.org/0000-0001-6787-1503
임준석(Lim, Joon Seok) ORCID logo https://orcid.org/0000-0002-0334-5042
정현철(Chung, Hyun Cheol) ORCID logo https://orcid.org/0000-0002-0920-9471
정희철(Jeung, Hei Cheul) ORCID logo https://orcid.org/0000-0003-0952-3679
천재희(Cheon, Jae Hee) ORCID logo https://orcid.org/0000-0002-2282-8904
최혜진(Choi, Hye Jin) ORCID logo https://orcid.org/0000-0001-5917-1400
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