692 Circulating tumor DNA analysis of advanced hepatocellular cancer (HCC) patients treated with neoantigen targeted personalized cancer DNA vaccine (GNOS-PV02) in combination with plasmid IL-12 (pIL12) and anti-PD1 (pembrolizumab)

Renzo Perales, Alfredo Perales-Puchalt, Gabor Bartha, Josette Northcott, Richard Chen, John Lyle, Dan Norton, Neil Cooch, Edward Gane, Mark Yarchoan, Thomas Marron, Sarah Rochestie, Joann Peters, Ildiko Csiki, Jian Yan*, Niranjan Sardesai. Geneos Therapeutics, Plymouth Meeting, PA, USA; Personalis, Inc, Menlo Park, CA, USA; The University of Auckland, Auckland, New Zealand; The Johns Hopkins Hospital, Baltimore, MD, USA; The Tisch Cancer Institute, New York, NY, USA