Baseline tumor features and systemic immune dynamics underlying efficacy in MSS metastatic colorectal cancer treated with regorafenib, ipilimumab, and nivolumab
Cancer Immunol Res. 2026 Feb 20. doi: 10.1158/2326-6066.CIR-25-0243. Online ahead of print. ABSTRACT Microsatellite-stable metastatic colorectal cancer (MSS mCRC) remains resistant to conventional immunotherapies. In a phase I trial, we observed encouraging efficacy of the combination of regorafenib, ipilimumab, and nivolumab (RIN), with a 27.6% overall response rate and a median overall survival of 20 … Read more