Bristol-Myers Squibb Company
ENHANCING ANTI-CANCER ACTIVITY OF IMMUNOMODULATORY FC FUSION PROTEINS

Abstract:

The present disclosure provides a method for enhancing the anti-tumor efficacy of an Fc fusion protein which binds specifically to a target, e.g., a co-inhibitory or co-stimulatory receptor of ligand, on a T cell in a subject afflicted with a cancer or a disease caused by an infectious agent and alters the activity of the immunomodulatory target, thereby potentiating an endogenous immune response against cells of the cancer or the infectious agent, wherein the method comprises selecting, designing or modifying the Fc region of the Fc fusion protein so as to enhance the binding of said Fc region to an activating Fc receptor (FcR). The disclosure also provides an Fc fusion protein produced by said method and its use in treating a subject afflicted with a cancer or a disease caused by an infectious agent.