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Effectiveness of oral fluoropyrimidine monotherapy as adjuvant chemotherapy for high-risk stage II colon cancer
Cited 3 time in
Web of Science
Cited 2 time in Scopus
- Authors
- Issue Date
- 2022-05
- Publisher
- 대한외과학회
- Citation
- 대한외과학회지, Vol.102 No.5, pp.271-280
- Abstract
- Purpose: The benefit of adjuvant chemotherapy for stage II colon cancer has not been clearly demonstrated even in cases with high-risk factors. This study aimed to compare the effectiveness of oral fluoropyrimidine monotherapy as adjuvant chemotherapy with that of intravenous fluoropyrimidine-based chemotherapy for high-risk stage II colon cancer. Methods: This single-institution, retrospective study included patients who underwent curative resection for high-risk stage II colon cancer between 2003 and 2014. Patients were classified into 3 postoperative treatment groups: observation. oral fluoropyrimidine monotherapy group (OGI] or intravenous fluoropyrimidine-based chemotherapy group (IVG). Results: We identified 356 patients, including 87 (24.4%) in the observation group, 172 (48.3%1 in the OG, and 97 (27.2%1 in the IVG. Patients in the OG were older (63.8 +/- 10.7 vs. 56.5 +/- 10.8, P < 0.0011 and had a tower number of T4 lesions (12.8% vs. 35.1%, P < 0.0011than those in the IVG. Regarding survival outcomes, the 5-year overall and disease-free survival rates were not different between the OG and IVG (91.2% vs. 92.6% [P = 0.090] and 85.1% vs. 81.9% [P = 0.535], respectively]. In multivariate analysis, age over 70 years and no adjuvant chemotherapy were associated with poor overall survival and disease-free survival. Fewer chemotherapy-related adverse events of grade >= 3 were observed in the OG than in the IVG (12.2% vs. 34.0%, P < 0.0011. Conclusion: In high-risk stage II colon cancer, adjuvant oral fluoropyrimidine monotherapy can be an effective and convenient alternative to intravenous fluoropyrimidine-based chemotherapy as it has comparable ontological outcomes and reduced chemotherapy-related complications.
- ISSN
- 2288-6575
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