617 A Phase I study of a tumor-targeted, fibroblast activation protein (FAP)-CD40 agonist (RO7300490) in patients with advanced solid tumors by Antoine Hollebecque, Victor Moreno, Do-Youn Oh, Ignacio Melero, James Spicer, Iben Spanggaard, Fiona C Thistlethwaite, Stefan Symeonides, Maria Lostes Baradji, Dae Lee, Corinne Rusterholz, Olivera Cirovic, Yvonne Zhao, Nicole Kratochwil, Bernhard Reis, Alexandra Epp, Georgios Kazantzidis