An open label 1:1 randomized phase II exploratory study investigating use of ctDNA-guided adjuvant chemotherapy compared to standard of care (SOC) after local treatment for metastatic colorectal cancer.
Patients are randomized 1:1 between SOC and ctDNA guided treatment and follow-up.
Escalation therapy comprises standard regimen of Fluorouracil (5-FU), Irinotecan and oxaliplatin (FOLFOXIRI), de-escalation therapy of monotherapy capecitabine or observation only. SOC is per institutional practice, based on national guidelines.