Phase 3b Study in Patients With Severe Asthma Treated With Tezepelumab

This is a prospective, multi-center, single-arm Phase 3b study designed to evaluate the potential and safety of stepping down background maintenance therapy following the initiation of Tezepelumab treatment in Chinese patients with maintenance of asthma control. This study will be conducted at approximately 70 study sites in China. The study duration for each patient will be up to 52 weeks. Approximately 400 patients with severe asthma taking medium-high dose ICS/LABA with/without LTRAs, LAMAs or theophylline will be enrolled into this single arm study.