CDR: complementarity determining region; FACS: fluorescence-activated cell sorting; k: association rate; k: dissociation rate; K: dissociation constant; scFv: single-chain variable fragment; SPR: surface plasmon resonance.
View Article and Find Full Text PDFImmune checkpoint inhibitors demonstrate clinical activity in many tumor types, however, only a fraction of patients benefit. Combining CD137 agonists with these inhibitors increases anti-tumor activity preclinically, but attempts to translate these observations to the clinic have been hampered by systemic toxicity. Here we describe a human CD137xPD-L1 bispecific antibody, MCLA-145, identified through functional screening of agonist- and immune checkpoint inhibitor arm combinations.
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