CONSTRAINED CONDITIONALLY ACTIVATED BINDING PROTEINS

The invention relates to Conditional Bispecific Redirected Activation constructs, or COBRAs, that are administered in an active pro-drug format. Upon exposure to tumor proteases, the constructs are cleaved and activated, such that they can bind one or more tumor target antigens (TTAs) as well as CD3...

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Bibliographische Detailangaben
Hauptverfasser: Culp, Patricia, May, Chad Michael, DuBridge, Robert B, Degenhardt, Jeremiah, Chen, Tseng-hui Timothy, Dettling, Danielle
Format: Patent
Sprache:eng
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Zusammenfassung:The invention relates to Conditional Bispecific Redirected Activation constructs, or COBRAs, that are administered in an active pro-drug format. Upon exposure to tumor proteases, the constructs are cleaved and activated, such that they can bind one or more tumor target antigens (TTAs) as well as CD3, thus recruiting T cells expressing CD3 to the tumor, resulting in treatment. In some embodiments, the tumor target antigen includes B7H3, CA9 (CAIX), EGFR, EpCAM, FOLR1, HER2, LyPD3, and/or Trop2.