Adjuvant Chemotherapy for High-Risk Stage Ⅱ Colon Cancer
Fujinaka, R.; Otowa, Y.; Yokoo, H.; Arai, K.; Murata, K.; Mii, Y.; Kakinoki, K.; Oka, S.; Kuroda, D.
Gan to Kagaku Ryoho. Cancer and ChemoTherapy 46(8): 1327-1329
2019
ISSN/ISBN: 0385-0684 PMID: 31501381 Document Number: 698879
This study was designed to clarify effects of postoperative adjuvant chemotherapy for high-risk Stage Ⅱ colorectal cancer. The subjects were 99 patients with high-risk Stage Ⅱcolorectal cancer who underwent surgery at our department from October 2013 to March 2018. Patients were classified into adjuvant chemotherapy group and nonadjuvant chemotherapy group. Overall survival(OS)and recurrence-free survival(RFS)were analyzed between the 2 groups. Thirty six patients(36.4%)underwent adjuvant chemotherapy. Adjuvant chemotherapy group were younger(p<0.010), had a better ASA-PS(p<0.010), good preoperative Hb(p<0.010), and preoperative Alb(p<0.010)compared to non-adjuvant chemotherapy group. There was no difference between the 2 groups in the high-risk factors for recurrence. Most patient had an oral medication as for adjuvant chemotherapy. There was no difference in OS and RFS between the 2 groups. Postoperative adjuvant chemotherapy for high-risk Stage Ⅱ colorectal cancer did not significantly improve the OS and RFS. Further study is necessary to asses the suitable regimen and patients eligible for chemotherapy.