A Phase II Study of Nivolumab and Ipilimumab with Radiation Therapy in Patients with Metastatic, Microsatellite Stable Colorectal Cancer.
PURPOSE Immune checkpoint inhibitors (ICIs) have significantly altered the natural history of microsatellite instability high (MSI-H) colorectal cancer (mCRC). For microsatellite stable (MSS) refractory mCRC, ICIs recently demonstrated efficacy signals in patients without liver metastases. This study evaluated combined...