New and updated preclinical and clinical data presented by biopharma firms at the European Society for Medical Oncology Congress in Barcelona.

There's a yin and yang to neoantigens, Alberto Bardelli told the audience at the 2019 annual conference of the European Society of Medical Oncology (ESMO) in Barcelona, Spain, last month. They contribute to tumorigenesis, resistance and tumor heterogeneity. But they are also often specific to tumor cells but not normal cells and "some," he said, "are actionable targets."