820 MCLA-145 is a bispecific IgG1 antibody that inhibits PD-1/PD-L1 signaling while simultaneously activating CD137 signaling on T cells by Jing Zhou, Mark Throsby, Lex Bakker, Arpita Mondal, Wilfred Marissen, Paul Tacken, Steef Engels, Liang-Chuan Wang, Patrick Mayes, Cecile Geuijen, Rinse Klooster, Pieter Fokko Van Loo, Yao-Bin Liu, Arjen Kramer, Thomas Condamine, Alla Volgina, Linda Hendriks, Hans van der Maaden, Eric Rovers, Floris Fransen, Renate den Blanken-Smit, Vanessa Zondag-van der Zande, Abdul Basmeleh, Willem Bartelink, Ashwini Kulkarni, Cheng-Yen Huang, Leslie Hall, Shane Harvey, Chrysi Kanellopoulou, Shaun Stewart, Horacio Nastri, Ton Logtenberg, Simon Plyte