Benralizumab can be used for the treatment of acute eosinophilic exacerbations of asthma and chronic obstructive pulmonary disease (COPD), according to a study. Sanjay Ramakrishnan, M.B.B.S. and colleagues enrolled patients with blood eosinophil counts of ≥300 cells/µL at the time of an exacerbation of asthma or COPD and randomly assigned them to receive acute treatment with prednisolone 30 mg once daily for five days and 100 mg benralizumab subcutaneous injection once (BENRA plus PRED group; 52 patients); placebo tablets for five days plus 100 mg benralizumab subcutaneous injection once (BENRA group; 53 patients); or prednisolone 30 mg once daily for...