Celldex publishes Phase 2 prurigo nodularis topline results presentation
CLDX•Program outlook
The program will be discontinued in prurigo nodularis despite profound tryptase reductions indicating systemic mast cell depletion.
Phase 3 chronic spontaneous urticaria topline data remain expected in September/October.
Phase 2 topline results for prurigo nodularis
Celldex published topline Phase 2 results for barzolvolimab in prurigo nodularis, using a June 25, 2026 data cutoff.
The trial missed the Week 12 primary endpoint on itch response, with p=0.868 for 150 mg and p=0.428 for 300 mg.
Key secondary endpoints also missed, including IGA-CNPG-S response (p=0.317; p=0.748) and combined itch-plus-IGA response (p=0.411; p=0.565).




