Each pre-filled pen contains 30 mg benralizumab* in 1 ml.
*Benralizumab is a humanised monoclonal antibody produced in Chinese hamster ovary (CHO) cells by recombinant DNA technology.
Excipients/Inactive Ingredients: Histidine, Histidine hydrochloride monohydrate, Trehalose dihydrate, Polysorbate 20, Water for injections.