Clinical Study of Regorafenib and Nivolumab Plus Chemotherapy

"90 mg administered orally, once daily for 21 consecutive days followed by 7 days off~\*Repeat every 4 weeks as Regorafenib therapy"

CohotA:360 mg administered intravenously, every 3 weeks \*Administered on the same day as CapeOX therapy Cohort B: 240 mg administered intravenously, every 2 weeks \*Administered on the same day as FOLFOX therapy

"For Cohort A only~* Capecitabine 1,000 mg/m\^2 administered orally, twice daily (Days 1 to 14 continuous dosing of CapeOX therapy)~* Oxaliplatin 130 mg/m\^2 administered intravenously (Day 1 of CapeOX therapy) \*Repeat every 3 weeks as CapeOX therapy"

"For Cohort B only~* Leucovorin 400 mg/m\^2 administered intravenously (Day 1 of FOLFOX therapy)~* Fluorouracil 400 mg/m\^2 administered intravenously (Day 1 of FOLFOX therapy) and 1,200 mg/m2 administered intravenously (Days 1 to 2 of FOLFOX therapy)~* Oxaliplatin 85 mg/m\^2 administered intravenously (Day 1 of FOLFOX therapy) \*Repeat every 2 weeks as FOLFOX therapy"