A clear to opalescent, colourless to pale yellow to pale brown solution in a single-use, pre-filled pen or syringe.
Each pre-filled pen (auto-injector) or pre-filled syringe (safety-syringe) delivers 100 mg mepolizumab in 1 mL (100 mg/mL).
Mepolizumab is a humanised monoclonal antibody (IgG1, kappa), directed against human interleukin-5 (IL-5) produced in Chinese hamster ovary cells by recombinant DNA technology.
Excipients/Inactive Ingredients: Sucrose, Sodium phosphate dibasic heptahydrate, Citric acid monohydrate, Polysorbate 80, EDTA disodium dehydrate, Water for injection.