CT Air-trapping for the Early Identification of Benralizumab Responders Among Eosinophilic Asthma Patients

Benralizumab is administered for 48 weeks (week 0 to week 48) every 4 weeks for the first 3 injections (30 mg sc per injection), and then every 8 weeks for the following 5 injections.

Computed tomography of the thorax is performed at the beginning (week 0), middle (week 24) and towards the end (week 48) of Benralizumab therapy. A sinus scan is also added on weeks 0 and 48.