Benralizumab in the Treatment of Patients With Severe Asthma With ABPA

Subjects who have been identified to have severe asthma with ABPA will be consented and enrolled in the study to receive benralizumab injections administered every 4 weeks for the first 3 injections with an additional injection eight weeks to follow for a total of 16 weeks active treatment with a follow-up/termination visit eight weeks from the last injection. The termination visit will occur week 24 for subjects who complete the study treatment. Subjects who receive the first dose of benralizumab but withdraw from the study or terminate study treatment for any reason should complete all the procedures outlined for the termination visit.