Abstract

P-BCMA-ALLO1 is an allogeneic Chimeric Antigen Receptor T-cell (CAR-T) targeting B-cell Maturation Antigen (BCMA) being investigated in RRMM. P-BCMA-ALLO1 is manufactured using non-viral transposon-based integration (piggyBac®DNA Delivery System) that introduces a humanized anti-BCMA VH-based CAR producing a highly enriched T stem cell memory product. The Cas-CLOVER™ Site-Specific Gene Editing System eliminates endogenous T cell receptor (TCR) expression via knockout of the TCR beta chain 1 gene to prevent graft-vs-host disease, and the beta-2 microglobulin gene to reduce MHC class I expression to eliminate host-vs-graft responses.

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