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Would you consider adding encorafenib + cetuximab to adjuvant mFOLFOX for a patient with oligometastatic colon cancer with BRAF V600E mutation s/p metastasectomy and primary resection given the data from the BREAKWATER trial?

Encorafenib, Cetuximab, and mFOLFOX6 in BRAF-Mutated Colorectal Cancer (E.Elez, et al, 2025)
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What additional therapy would you offer to a patient with completely resected oligometastatic BRAF V600E colon cancer?

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3 Answers
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Medical Oncology · Dartmouth Cancer Center, Dartmouth-Hitchcock Medical Center
Answered on

This is a compelling question, and I agree with many of the points made by the other respondents. In a patient with metastatic, completely resected BRAF-mutated colon cancer, I would consider using a ctDNA minimal residual disease assay (such as Signatera) to inform decision making. If the patient i...

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Medical Oncology · Mayo Clinic
Answered on · Updated on

Great question without clear evidence.

Given the generally poor clinical outcomes for patients with BRAF V600E-mutated metastatic colorectal cancer, metastasectomy is not commonly offered unless the patient shows prolonged disease response/stability on maintenance treatment. We still have very few s...

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Medical Oncology · Advent Health Tentative December 2025
Answered on · Updated on

While the prognosis for patients with resected stage IV BRAF V600E-mutant colorectal cancer remains poor despite adjuvant FOLFOX, emerging data—such as the significantly higher response rates seen with FOLFOX plus encorafenib and cetuximab in the first-line metastatic setting (as demonstrated in the...

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