Adalimumab biosimilars in the treatment of rheumatoid arthritis: a systematic review of the evidence for biosimilarity

Huizinga, T.W.J.; Torii, Y.; Muniz, R.

doi:doi:10.1007/s40744-020-00259-8

Although treatment with biologic disease-modifying antirheumatic drugs (bDMARDs) has significantly improved clinical outcomes in patients with rheumatoid arthritis (RA), many patients do not have access to these treatments. As cost-effective alternatives to their reference products (RPs), biosimilars provide an opportunity to increase access to bDMARDs. The European Medicines Agency and the US Food and Drug Administration have detailed pathways for the approval of biosimilars based on establishing the similarity of the biosimilar to the RP in terms of structure and function, pharmacokinetics (PK), efficacy, safety, and immunogenicity. A number of biosimilars of adalimumab, infliximab, etanercept, and rituximab RPs have been approved in the United States and/or European Union. This article is focused on the seven adalimumab biosimilars. A review of the data for the biosimilars FKB327, ABP 501, BI 695501, GP2017, MSB11022, PF-06410293, and SB5 confirm that these products are highly...Show moreAlthough treatment with biologic disease-modifying antirheumatic drugs (bDMARDs) has significantly improved clinical outcomes in patients with rheumatoid arthritis (RA), many patients do not have access to these treatments. As cost-effective alternatives to their reference products (RPs), biosimilars provide an opportunity to increase access to bDMARDs. The European Medicines Agency and the US Food and Drug Administration have detailed pathways for the approval of biosimilars based on establishing the similarity of the biosimilar to the RP in terms of structure and function, pharmacokinetics (PK), efficacy, safety, and immunogenicity. A number of biosimilars of adalimumab, infliximab, etanercept, and rituximab RPs have been approved in the United States and/or European Union. This article is focused on the seven adalimumab biosimilars. A review of the data for the biosimilars FKB327, ABP 501, BI 695501, GP2017, MSB11022, PF-06410293, and SB5 confirm that these products are highly similar to the adalimumab RP with regard to structure, physicochemical and biological properties, PK, safety, immunogenicity, and efficacy in the treatment of RA and other chronic immune-mediated, inflammatory conditions. Data from several switching studies showed no changes in efficacy, safety, trough serum drug concentration, or immunogenicity between the biosimilars and their RP.Plain Language Summary Biologic disease-modifying antirheumatic drugs (bDMARDs) improve outcomes for patients with rheumatoid arthritis (RA); however, many patients do not have access to these treatments. Biosimilars offer a cost-effective alternative to their reference product (RP) and provide the opportunity to increase access to bDMARDs. This article reviews available data regarding the pharmacokinetics (PK), safety, immunogenicity, and effectiveness of the adalimumab RP and its biosimilars (FKB327, ABP 501, BI 695501, GP2017, MSB11022, PF-06410293, and SB5) in the treatment of RA. Based on the published literature, we concluded that these products are similar to the adalimumab RP in terms of their structure, physicochemical and biological properties, and PK. We also found that these biosimilars have similar safety and effectiveness to the adalimumab RP in the treatment of patients with RA. In addition, switching between a biosimilar and the adalimumab RP resulted in no impact on safety, effectiveness, serum concentrations, or immunogenicity.Show less

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Adalimumab biosimilars in the treatment of rheumatoid arthritis: a systematic review of the evidence for biosimilarity