Question · Q4 2025
Simon Baker asked for clarification on the differentiation points of tozorakimab, including its molecular mechanism and trial design, and how these factors support confidence in the program.
Answer
Sharon Barr, EVP, BioPharmaceuticals R&D, explained that tozorakimab is a differentiated IL-33 biologic that impacts both ST2 and RAGE EGFR pathways, crucial for reducing mucus production and epithelial remodeling in COPD. She noted the broad trial design to assess efficacy across current/former smokers and varying eosinophil levels.
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