The idea of developing cancer vaccines that harness dendritic cells is not new, but Diakonos Oncology thinks it’s been able to solve the lack of efficacy that has plagued this approach. The company combines its vaccines with RNA and proteins from a patient’s tumor to trigger a robust response by tricking the immune system to recognize cancer cells as being virally infected. We spoke to Jay Hartenbach, chief operating officer of Diakonos, about its dendritic cell cancer vaccine technology, how it works, and why its lead indication is an aggressive form of brain cancer.