Nectin Therapeutics is a biotechnology company dedicated to developing novel targeted immunotherapies that address resistance to approved immuno-oncology (IO) treatments. The company's lead candidate is NTX1088, a first-in-class monoclonal antibody that targets PVR (CD155), a transmembrane protein expressed on various cancer cells and associated with resistance to PD-1 and PD-L1 immune checkpoint inhibitors. NTX1088 has a unique triple mechanism of action: it blocks PVR's interaction with DNAM1 (CD226), thereby restoring DNAM1 expression on immune cells and resulting in robust antitumor activity. It also prevents the immune-suppressing signaling of the checkpoint receptors TIGIT and CD96, further stimulating the immune system's response against tumors.
In preclinical studies, NTX1088 demonstrated superior antitumor activity compared to existing and investigational immune checkpoint inhibitors, with a favorable safety profile observed in non-human primate studies. NTX1088 is currently being evaluated in a Phase 1 clinical trial in patients with locally advanced and metastatic solid tumors, both as a monotherapy and in combination with the PD-1 inhibitor KEYTRUDA (pembrolizumab) from Merck. The trial has recently expanded to additional global sites, including two in Israel - Sheba Medical Center and Hadassah Medical Center.
In December 2023, Nectin Therapeutics announced the progression of the Phase 1 trial to include a combination arm with KEYTRUDA, further evaluating the synergistic potential of NTX1088 and PD-1 inhibition in treating solid tumors. The company has raised over USD 33 million from investors, including aMoon Fund, Peregrine Ventures, Israel biotech Fund, Cancer Focus Fund, Integra Holdings, and the Myeloma Investment Fund.
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