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Introduction: Biosimilars represent great potential in cost saving and re-investment opportunities in healthcare and allow patients greater access to effective mAbs. Infliximab biosimilars are successfully used in all indications for whom the reference product (RP) was approved.Areas covered: In late 2018, adalimumab biosimilars will also be available in patients with inflammatory bowel disease (IBD).ABP501, BI 695501, GP2017, and SB5 have been approved by the EMA for the same indications of the reference product (RP, Humira®). Preclinical data show high similarity between all biosimilars and the RP. Clinical data in patients with rheumatoid arthritis and psoriasis also show no differences in terms of efficacy, safety, and immunogenicity. Data in IBD patients are still lacking.Expert opinion: Biosimilars of adalimumab appear to be clinically equivalent to the RP. Decisions based on choosing the ideal patient to receive or to be switched to a biosimilar of adalimumab, or choosing one biosimilar vs. another, or cross-switching among biosimilars remain the next challenge in the field of IBD.
Fiorino et al. (Wed,) studied this question.