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Official Answer by Drugs.com 22 Jan 2018

Ixifi (infliximab-qbtx), from Pfizer, is an FDA-approved tumor necrosis factor (TNF) blocker that is biosimilar to Remicade (infliximab), from Janssen Biotech. Both prescription medications are used for the treatment of Crohn’s disease, ulcerative colitis, rheumatoid arthritis, ankylosing spondylitis, psoriatic arthritis and plaque psoriasis. Biosimilars are approved through an abbreviated licensure pathway for biological products that are shown to be interchangeable with an already FDA-approved biological product.

What drugs are biosimilar to Remicade?

In addition to Ixifi (infliximab-qbtx), Inflectra (infliximab-dyyb) from Pfizer and Renflexis (infliximab-abda) from Merck are also FDA-approved biosimilars to Remicade; however, none of these biosimilars are interchangeable at the pharmacy level with Remicade unless specifically noted by the prescribing doctor.

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