A biosimilar of infliximab, CT-P13, has equivalent safety and efficacy to that of the anti-tumor necrosis factor (TNF) monoclonal antibody for treating Crohn’s disease in infliximab-naïve patients. Findings from a comparative equivalence cohort study are published in Annals of Internal Medicine.
The TNF inhibitors, including infliximab, have improved the management of inflammatory bowel disease. The U.S. Food and Drug Administration defines biosimilars as “highly similar to the reference product notwithstanding minor differences in clinically inactive components and for which there are no clinically meaningful differences between the biologic product and the reference product in terms of safety, purity, and potency of the product.” CT-P13 is a biosimilar to infliximab that has demonstrated efficacy and safety for some inflammatory arthritides and was approved for Crohn’s disease on that basis, without specific studies examining its effects in Crohn’s disease.
Researchers from Caisse Nationale de I’Assurance Maladie studied a French nationwide database to compare the effectiveness and safety of CT-P13 and the reference product (infliximab). The study included 5,050 infliximab-naïve patients who started treatment with infliximab (n = 2,551) or CT-P13 (n = 2,499). The researchers found that CT-P13 had equivalent efficacy to infliximab and no difference was observed in terms of safety outcomes. Based on these findings, the researchers suggest that the choice between the two products could be based solely on cost.
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