The 2025 European Hematology Association (EHA) Annual Meeting was recently held, bringing together top global experts in the field of hematologic malignancies to discuss the latest research findings and future directions. In the highly anticipated "Late-Breaking Abstract" session, Professor John Mascarenhas from the Icahn School of Medicine at Mount Sinai presented clinical study data on INCA33989, a novel, first-in-class monoclonal antibody specific to mutant calreticulin (CALR). The study results showed that INCA33989 demonstrated excellent safety and revolutionary therapeutic potential in previously treated patients with Essential Thrombocythemia (ET), with the potential to change the current treatment landscape