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Our PD-1 B-cell vaccine, known as PD1-Vaxx, aims to induce the body to produce polyclonal antibodies that block PD-1 signalling, and thus produce an anticancer effect similar to Keytruda, Opdivo and the other immune checkpoint inhibitor monoclonal antibodies, that have transformed treatment for a range of cancers. PD1-Vaxx has shown encouraging potential in preclinical studies, including outperforming an industry-standard mouse anti-PD-1 antibody in a mouse model of HER2 colorectal cancer.
