A Study to Investigate the Use of Benralizumab in Patients With Bullous Pemphigoid.

Bullous pemphigoid (BP) is a rare disease mainly affecting the elderly. BP is associated with significant morbidity and increased mortality secondary to increased risk of secondary infections, comorbid conditions, and serious side effects from high-dose steroids and immunosuppressants. The aim of this study is to investigate the use of benralizumab as a treatment for patients symptomatic with Bullous Pemphigoid (BP).