Study to Evaluate the Efficacy and Safety of Tezepelumab in Reducing Oral Corticosteroid Use in Adults With Oral Corticosteroid Dependent Asthma

A Study of the Safety and Effectiveness of Benralizumab to Treat Patients With Severe Uncontrolled Asthma.

Study to Evaluate Tezepelumab in Adults & Adolescents With Severe Uncontrolled Asthma

Observational Study of Characteristics, Treatment and Outcomes With Severe Asthma in the United States (CHRONICLE)

Extension Study to Evaluate the Safety and Tolerability of Tezepelumab in Adults and Adolescents With Severe, Uncontrolled Asthma