SPL Set ID: 3e6c54a1-cefd-4a5b-a855-ab9f268b6cce

Teprotumumab-trbw, an insulin-like growth factor-1 receptor inhibitor (IGF-1R), is a fully human IgG1 monoclonal antibody produced in Chinese hamster ovary (CHO-DG44) cells. It has a molecular weight of approximately 148 kilodaltons. TEPEZZA (teprotumumab-trbw) for injection is supplied as a sterile, preservative-free, white to off-white, lyophilized powder for intravenous infusion. Each single-dose vial delivers 500 mg of teprotumumab-trbw, histidine (7.82 mg), L-histidine hydrochloride monohydrate (33.43 mg), polysorbate 20 (1.05 mg), and trehalose (898.43 mg). After reconstitution with 10 mL of Sterile Water for Injection, USP, the final concentration is 47.6 mg/mL with a pH of 5.5.