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A BiTE linking a T cell to a tumor cell. Like other bispecific antibodies, and unlike ordinary monoclonal antibodies, BiTEs form a link between T cells and tumor cells. This causes T cells to exert cytotoxic activity on tumor cells by producing proteins like perforin and granzymes, independently of the presence of MHC I or co-stimulatory molecules.
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 ...
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.
Teclistamab, sold under the brand name Tecvayli, is a human bispecific monoclonal antibody used for the treatment of relapsed and refractory multiple myeloma. [8] It is a bispecific antibody that targets the CD3 receptor expressed on the surface of T-cells and B-cell maturation antigen (), which is expressed on the surface of malignant multiple myeloma B-lineage cells.
[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 ]
For example, the T- cells may not be activated and sustain the anti-tumor effect long enough, or the number of T-cells presented is insufficient. TIL therapy isolates tumor-infiltrating lymphocytes (TILs), which are naturally occurring T cells in cancer patients that have already recognised cancer cells and infiltrated into the tumor as an anti ...
The bispecific antibodies have arrived in the clinic. In 2009, the bispecific antibody catumaxomab was approved in the European Union [40] [41] and was later withdrawn for commercial reasons. [42] Others include amivantamab, blinatumomab, teclistamab, and emicizumab. [43]
sdAb: single-domain antibody; BsAb: bispecific monoclonal antibody: 3funct: trifunctional antibody; BiTE: bi-specific T-cell engager; This list of over 500 monoclonal antibodies includes approved and investigational drugs as well as drugs that have been withdrawn from market; consequently, the column Use does not