LAVA Therapeutics N.V. announced that Pfizer has achieved a clinical development milestone for PF-08046052 (formerly SGN-EGFRd2 /LAVA-1223), prompting the first milestone payment of $7 Million to LAVA. LAVA granted Seagen (acquired by Pfizer in December 2023) a worldwide, exclusive license to PF-08046052 in September 2022. PF-08046052 is a potential first-in-class asset utilizing the Gammabody® platform designed to conditionally activate V?9Vd2 (Vgamma9 Vdelta2) T cells, upon crosslinking to epidermal growth factor receptor (EGFR), to trigger the potent and preferential killing of EGFR-positive tumor cells.

EGFR is a well-validated target that is over-expressed in multiple solid tumor types, including colorectal cancer (CRC), non-small cell lung cancer (NSCLC), head and neck squamous cell cancer (HNSCC) and pancreatic ductal adenocarcinoma (PDAC). PF-08046052 is being evaluated in an ongoing Phase 1 study (NCT05983133) by Pfizer under an exclusive worldwide license agreement. In accordance with the agreement, LAVA received a $50 million upfront payment and is eligible to receive milestones of up to approximately $650 million upon achievement of development, regulatory and commercial milestones as well as royalties on potential sales.