NCT04117087 2025-12-03Pooled Mutant KRAS-Targeted Long Peptide Vaccine Combined With Nivolumab and Ipilimumab for Patients With Resected Mismatch Repair Protein (MMR-p) Colorectal and Pancreatic CancerSidney Kimmel Comprehensive Cancer Center at Johns HopkinsPhase 1 Active not recruiting27 enrolled