Feasibility study of adjuvant chemotherapy with FOLFOX(or XELOX) for 3 months followed by oral anticancer drug for 3 months in patients with completely resected colorectal cancer

Interventions: mFOLFOX6 therapy(or XELOX therapy) for 3 months followed by capecitabine for 3 months mFOLFOX6 therapy Day1 L-OHP 85mg/m2,l-LV 200mg/m2 Day1 bolus 5FU 400mg/m2 Day1~2 Infusional 5FU 2400mg/m2 XELOX therapy Day1 L-OHP 130mg/m2 Day1~14(b.i.d. at the end of meal) capecitabine 2000mg/m2/day Capecitabine therapy Day1~14(b.i.d. at the end of meal) Capecitabine 2500mg/m2/day
Primary outcome(s): Frequency and Grade of peripheral neuropathy(CTCAE v4 and PNQ)
Study Design: Single arm Non-randomized