Article
Prolonged response to pembrolizumab in BRAFV600E microsatellite stable metastatic colorectal cancer following an increase in tumor mutational burden.
The oncologist - 8 May 2026
Yang Yu-Hsuen, Starling Naureen, Cartwright Elizabeth
Abstract excerpt
BRAFV600E-mutant metastatic colorectal cancer (mCRC) is an aggressive molecular subtype associated with poor prognosis and relative chemoresistance. Outcomes following progression on chemotherapy and MAPK-targeted therapy with encorafenib plus cetuximab remain poor, highlighting an unmet need for effective later-line treatments. Immune checkpoint inhibitors have limited activity in microsatellite-stable (MSS)...
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