The solution is clear to slightly opalescent, and colourless to slightly brownish-yellow.
Each pre-filled pen contains 20 mg ofatumumab in 0.4 ml solution (50 mg/ml).
Ofatumumab is a fully human monoclonal antibody produced in a murine cell line (NS0) by recombinant DNA technology.
Excipients/Inactive Ingredients: L-arginine, Sodium acetate trihydrate, Sodium chloride, Polysorbate 80, Disodium edetate dihydrate, Hydrochloric acid (for pH adjustment), Water for injections.