Trifluridine/Tipiracil Plus Regorafenib vs Trifluridine/Tipiracil Plus Bevacizumab for Refractory Metastatic Colorectal Cancer

Trifluridine/tipiracil will be administered orally BID at a starting dose of 30 mg per square meter of body-surface area, on days 1 through 5 every 2 weeks. Regorafenib will be administered orally QD at a dose-escalation strategy (80 mg/day, followed by weekly increase of 40 mg to 120 mg/day), if no significant drug-related adverse events occurred and 120 mg/day for 21 days of a 28-day cycle.

Trifluridine/tipiracil will be administered orally BID at a starting dose of 35 mg per square meter of body-surface area, on days 1 through 5 every 2 weeks. Bevacizumab, at a dose of 5 mg per kilogram of body weight, will be administered IV every 2 weeks (day 1 and day 15).