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TEZSPIRE positive results from Phase III CROSSING trial in eosinophilic esophagitis including symptom improvement, histologic and endoscopic remission presented at United European Gastroenterology Week

$AZNPress releaseOct 20, 2026, 9:00 AM ETRead the release

AstraZeneca and Amgen's TEZSPIRE met both co-primary endpoints in the Phase 3 CROSSING trial in eosinophilic esophagitis, with histologic remission of 64.8% (210mg) and 68.9% (420mg) at week 24 versus 3.5% on placebo. Efficacy was sustained through week 52, and TEZSPIRE also achieved statistically significant improvements in dysphagia symptoms and endoscopic outcomes, with total endoscopic remission in roughly 30-34% of patients at week 52 versus 4.1% on placebo. Safety was consistent with approved indications.

Key figures

Drug Name
TEZSPIRE (tezepelumab)
Phase Of Trial
Phase 3
Patients randomized
368
Dsq improvement week52
-22.1 (210mg) and -24.0 (420mg) vs -13.2 placebo
Histologic remission week24 210mg
64.8%
Histologic remission week24 420mg
68.9%
Histologic remission week52 210mg
67.8%
Histologic remission week52 420mg
63.3%
Histologic remission week24 placebo
3.5%
Histologic remission week52 placebo
5.4%
Total endoscopic remission week52 210mg
34.4%
Total endoscopic remission week52 420mg
29.5%

AI analysis

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