Efficacy And Safety Of Hydroxychloroquine Combined With Methotrexate, Capecitabine And Bevacizumab Vs. Regorafenib In Participants With Refractory Metastatic Colorectal Cancer With Mutations In RAS Genes

hydroxychloroquine 200 mg TID PO+ methotrexate 2.5 mg BID twice a week PO+ capecitabine 1000 mg/m2 PO BID for 14 days+ bevacizumab 7.5 mg/m2 IV on day 1, every 3 weeks.

Regorafenib 160 mg PO daily on days 1-21, every 28 days OR 1st cycle: Regorafenib 80 mg PO daily on days 1-7, followed by 120 mg PO daily on days 8-14, followed by 160 mg PO daily on days 15-21, every 28 days, 2nd and subsequent cycles: Regorafenib 160 mg PO daily on days 1-21, every 28 days