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Bi-specific T-cell engager (BiTE) is a class of artificial bispecific monoclonal antibodies that are investigated for use as anti-cancer drugs. They direct a host's immune system, more specifically the T cells ' cytotoxic activity, against cancer cells.
The first bispecific antibody to gain regulatory approval, blinatumomab, targets CD19 on B cells and CD3 on T cells, leading to the activation of T cells and the destruction of B cells. [31] Additional bispecific antibody drugs have since been approved by the US FDA: emicizumab, amivantamab, tebentafusp, faricimab, teclistamab, mosunetuzumab ...
Epcoritamab, sold under the brand name Epkinly, is a monoclonal antibody anticancer medication used for the treatment of diffuse large B-cell lymphoma. [4] [7] Epcoritamab is a bispecific CD20-directed CD3 T-cell engager. [4] [7] Epcoritamab was co-developed by AbbVie and Genmab. [8]
Tarlatamab, sold under the brand name Imdelltra, is an anti-cancer medication used for the treatment of extensive-stage small cell lung cancer. [4] It is a bispecific T-cell engager that binds delta-like ligand 3 and CD3.
[1] [9] It is a bispecific GPRC5D-directed CD3 T-cell engager. [1] Talquetamab is a bispecific antibody against two targets: human CD3, a T-cell surface antigen, and human G-protein coupled receptor family C group 5 member D (GPRC5D), a tumor-associated antigen with potential antineoplastic activity. [11]
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Blinatumomab linking a T cell to a malignant B cell. Blinatumomab is a bispecific T-cell engager (BiTE). [7] It enables a patient's T cells to recognize malignant B cells. A molecule of blinatumomab combines two binding sites: a CD3 site for T cells and a CD19 site for the target B cells. CD3 is part of the T cell receptor.
T-cell transfer therapy: a treatment that takes T-cells from the tumor and selects or changes them in the lab to better attack cancer cells, then reintroduces them into the patient. Monoclonal antibodies : designed to bind to specific targets on cancer cells, marking cancer cells so that they will be better seen and destroyed by the immune system.