CPGJ602 plus modified fluorouracil, leucovorin, and oxaliplatin (mFOLFOX6) may have efficacy in KRAS/NRAS/BRAF wild-type metastatic colorectal cancer. CPGJ602 plus mFOLFOX6 could be an option for KRAS/NRAS/BRAF wild-type metastatic colorectal cancer.