Bevacizumab-bvzr is a vascular endothelial growth factor inhibitor. Bevacizumab-bvzr is a recombinant humanized monoclonal IgG1 antibody that contains human framework regions and murine complementarity-determining regions. Bevacizumab-bvzr has an approximate molecular weight of 149 kDa. Bevacizumab-bvzr is produced in a mammalian cell (Chinese Hamster Ovary) expression system.
ZIRABEV (bevacizumab-bvzr) injection is a sterile, preservative-free, clear to slightly opalescent, colorless to pale brown solution in a single-dose vial for intravenous use. ZIRABEV contains bevacizumab-bvzr at a concentration of 25 mg/mL in either 100 mg/4 mL or 400 mg/16 mL single-dose vials.
Each mL of solution contains 25 mg bevacizumab-bvzr, edetate disodium dihydrate (0.05 mg), polysorbate 80 (0.2 mg), succinic acid (2.36 mg), sucrose (85 mg), and Water for Injection, USP. Sodium hydroxide is added to adjust the pH. The pH is 5.5.