# Four Decades of Immunotherapy Dead Ends End With This Injection - Date: 2026-03-20 - Category: Biotech & Life Sciences A team from Mass General Brigham and Dana-Farber Cancer Institute has published results in Cell showing that a single injection of an oncolytic herpes simplex virus can recruit immune cells into glioblastoma tumors and extend survival in a Phase 1 trial — offering a rare bright spot in a cancer t... ---