The University of Southampton

Cancer Research Technology Limited

Biovent International Ab

Stephen Beers

Ingrid Teige

Martin John Glennie

Mark Steven Cragg

Ali Roghanian

Peter David Johnson

Linda Mårtensson

Sean Lim

Björn Frendéus

Aymen Al-Shamkhani

Juliet Gray

Robert Oldham

Bjoern Frendeus

Björn Frendeus

Described is the use of a first antibody molecule that specifically binds FcγRIIb via its Fab region, but lacks Fc region or has reduced binding to Fcγ receptors via its Fc region, for use in combination with a second antibody molecule that specifically binds to a receptor present on an immune cell, wherein the immune cell is an immune cell that suppresses anti-cancer immunity, which second antibody molecule has an Fc region that binds to at least one activating Fcγ receptor, and wherein the binding of the second antibody molecule to the receptor on the immune cell causes depletion and/or deactivation of the immune cell in the treatment of an FcγRIIb-negative cancer in a patient, as well as pharmaceutical compositions and kits comprising these to antibody molecules, and methods of treating cancer using these two antibodies.

Combination and use of antibodies

The invention provides a method of treating a patient having target cells that express Fc&#x3b3;RIIb, the method comprising administering (i) an antibody molecule that specifically binds a surface antigen of the target cell, which antibody molecule has an Fc domain capable of binding Fc&#x3b3;RIIb; in combination with (ii) an agent that prevents or reduces binding between the Fc domain of the antibody molecule and Fc&#x3b3;RIIb; characterized in that the patient is selected on the basis that their target cells express an elevated level of Fc&#x3b3;RIIb.

Combined use of Fc&#x3b3;RIIb (CD32B) and CD20 specific antibodies

Described is the sequential administration of first a Treg depleting antibody molecule selected from antibody molecules, such as an antibody molecule binding specifically to target belonging to the tumour necrosis factor receptor superfamily (TNFRSF), such as a Treg depleting anti-4-1 BB antibody or a Treg depleting OX-40 antibody, and then an immunostimulatory antibody molecule, such as an immunostimulatory anti-4-1 BB anti-body or an immunostimulatory OX-40 antibody, for use in the treatment of cancer. Described are also novel anti-4-1 BB antibodies and novel OX-40 antibodies that may be used in such sequential administration.

Combination of a Treg depleting anti-4-1BB antibody and anti-PD1 antibody

The invention provides a method of treating a patient having target cells that express FcyRIIb, the method comprising administering (i) an antibody molecule that specifically binds a surface antigen of the target cell, which antibody molecule has an Fc domain capable of binding FcyRIIb; in combination with (ii) an agent that prevents or reduces binding between the Fc domain of the antibody molecule and FcyRIIb; characterized in that the patient is selected on the basis that their target cells express an elevated level of FcyRIIb.

Combined use of Fc gamma RIIb (CD32B) and CD20-specific antibodies

Growing community of inventors

Southampton, United Kingdom

Stephen Beers