To investigate changes of symptoms and esophageal histology with tezepelumab compared with placebo in patients aged 12 to 80 years old with eosinophilic esophagitis.
Criteria:Be between 12 and 80 years of age.
Weigh more than 40kg at time of 1st visit.
Previously established diagnosis of EoE by EGD and esophageal biopsy.