In this single-center, single arm, open-label, phase II study assessing the efficacy of pembrolizumab in patients with locally advanced, irresectable dMMR colorectal cancer, 25 patients will be enrolled. All patients will be treated with pembrolizumab 200 mg intravenously on day 1 of each 3-week cycle.
In this study, the efficacy of pembrolizumab in patients with locally advanced, irresectable dMMR colorectal cancer will be assessed.