The stimulation of the immune system is, for long, recognized as an effective strategy to fight cancer, since the first observations of this topic in the XIX century and the work of William B. Coley. However, the true potential of immunotherapy was only revealed in the last decade, with immune checkpoint inhibitors (2018 Nobel Prize in Medicine and Physiology) and CAR-T cells arriving to the oncological clinical practice. An additional immunotherapy approach, strongly tested in the last 20 years, refers to dendritic cell (DC) -based vaccines for anti-tumour therapy.