POSITIVE RESULTS FROM TEZSPIRE® (TEZEPELUMAB-EKKO) PHASE 3 WAYPOINT TRIAL HIGHLIGHT RAPID, SUSTAINED EFFECT IN CHRONIC RHINOSINUSITIS WITH NASAL POLYPS

Significantly Reduced Nasal Congestion, Polyp Size and Nearly Eliminated Need for Surgery

Data Published in NEJM and Presented at AAAAI/WAO 2025

THOUSAND OAKS, Calif., March 1, 2025 /PRNewswire/ — Amgen (NASDAQ:AMGN) and AstraZeneca today announced full results from the Phase 3, registrational WAYPOINT trial demonstrating that TEZSPIRE® (tezepelumab-ekko) significantly reduced nasal polyp severity, the need for surgery and systemic corticosteroid use in patients with chronic rhinosinusitis with nasal polyps (CRSwNP [nasal polyps]) compared to placebo.1,2 The data were published today in the New England Journal of Medicine and were highlighted as a late-breaking oral presentation during the American Academy of Allergy Asthma & Immunology (AAAAI)/World Allergy Organization (WAO) Joint Congress in San Diego.1,2

Treatment with TEZSPIRE significantly reduced nasal polyp severity measured by the co-primary endpoints: Nasal Polyp Score (NPS) by -2.065 (95% CI: -2.389, -1.742; p