Infliximab-dyyb, a tumor necrosis factor (TNF) blocker, is a chimeric IgG1κ monoclonal antibody (composed of human constant and murine variable regions). It has a molecular weight of approximately 149.1 kilodaltons. Infliximab-dyyb is produced by a recombinant murine myeloma cell line, SP2/0.
INFLECTRA (infliximab-dyyb) for injection is supplied as a sterile, preservative-free, white, lyophilized powder for intravenous infusion after reconstitution and dilution. Following reconstitution with 10 mL of Sterile Water for Injection, USP, the final concentration is 10 mg/mL and the resulting pH is approximately 7.2. Each single-dose vial contains 100 mg infliximab-dyyb, dibasic sodium phosphate, dihydrate (6.1 mg), monobasic sodium phosphate, monohydrate (2.2 mg), polysorbate 80 (0.5 mg), and sucrose (500 mg).
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