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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. The pH is 5.5.

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