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Recently, Triumvira Immunologics announced that its TAC-T cell therapy TAC01-HER2 clinical trial has completed the first patient administration for the treatment of human epidermal growth factor receptor 2 (HER2) positive solid tumors
TAC is a hybrid molecule composed of multiple protein domains.
The advantage of this design is that the self-regulation mechanism of the TCR receptor is retained, so that TAC-T cells will not be activated all the time
▲The difference between TAC and CAR (Image source: Triumvira's official website)
Compared with TCR-T cells, the combination of TAC and antigen does not need to rely on the major histocompatibility complex (MHC) to present the antigen, so it has flexibility in the type of target antigen
This clinical trial aims to evaluate the safety, tolerability and effectiveness of TAC01-HER2 in patients with HER2-positive metastatic, advanced, or unresectable solid tumors, and plans to recruit approximately 70 subjects
(The original text has been deleted)