Jasper Therapeutics Inc. provided an update on its lead investigational drug, briquilimab, highlighting its targeted mast cell depletion capabilities in multiple inflammatory diseases, including chronic urticaria and asthma. The presentation details briquilimab’s mechanism of action, which involves direct, high-affinity blockade of the KIT receptor, leading to rapid and durable clinical responses. Clinical data from over 95 patients across multiple studies, including BEACON, SPOTLIGHT, and OLE, demonstrated significant reductions in disease activity scores and a favorable safety profile, with most adverse events being mild and transient. The results support the initiation of a Phase 2b study in chronic spontaneous urticaria, planned to enroll 75-100 patients to further evaluate two dosing regimens against placebo. Briquilimab remains an investigational drug and is not approved for any indication. You can access the full presentation through the link below.
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