Celldex (NASDAQ:CLDX) presented additional positive data from the completed Phase 2 clinical trials of barzolvolimab in chronic spontaneous urticaria (CSU) and cold urticaria (ColdU) and symptomatic dermographism (SD) demonstrating profound improvements in patient quality of life (QoL) across all measured domains: symptoms and feelings, daily activities, leisure, work and school, personal relationships and treatment. Barzolvolimab is a humanized monoclonal antibody with a completely novel mechanism of action that uniquely targets the root cause of CSU, ColdU and SD—the mast cell. The data were presented at the 2026 Americal Academy of Dermatology (AAD) Annual Meeting being held March 27 – 31, 2026 in Denver, CO.