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- W4312643485 abstract "Biosimilars follow a rigorous regulatory approval pathway designed to collect and review the totality of evidence from non-clinical analytical comparability exercises as well as clinical Phase I and III studies between the biosimilar and the reference biological. Once the European Medicines Agency (EMA) has given a positive opinion on the generated totality of evidence, the agency may extrapolate the biosimilar’s clinical data from the indication in which the biosimilar was studied to other indications for which the reference biological was approved. A prerequisite for this step is a convincing demonstration of biosimilarity within a studied clinical Phase III population that is suitably sensitive to detect potential clinically relevant differences in efficacy, safety, or immunogenicity. This regulatory pathway was used for all currently available biosimilars including SB2 (Flixabi®), a recently approved biosimilar that is licensed for use across all indications approved for its reference biologic infliximab (Remicade®), including inflammatory bowel disease (IBD). Further to robust non-clinical evaluations of SB2 in 46 physicochemical and 23 biological assays, a Phase I study demonstrated pharmacokinetic equivalence between SB2 and reference infliximab. Furthermore, a Phase III study performed in patients with moderate-to-severe rheumatoid arthritis (RA) — a scientifically appropriate, sensitive patient population — showed that SB2 was equivalent to infliximab in terms of its primary endpoint, American College of Rheumatology 20% improvement (ACR20) response rate at Week 30, and comparable with regard to safety and immunogenicity up to Week 54. Additional analyses of treatment-emergent adverse events (TEAEs) by anti-drug antibody (ADA) status up to Week 54 demonstrated a comparable incidence of TEAEs in both treatment arms. The ACR response rates, safety, and incidence of ADAs remained comparable also in the transition extension period up to Week 78 between patients who continued to receive either SB2 or reference infliximab, and patients who transitioned from reference infliximab to SB2. Biosimilars have an important place in the treatment of IBD. Increased use of biosimilars in patients with Crohn’s disease (CD) or ulcerative colitis is likely to reduce costs, expand access of eligible patients to biologic therapy, and improve overall health outcomes." @default.
- W4312643485 created "2023-01-05" @default.
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- W4312643485 date "2016-12-01" @default.
- W4312643485 modified "2023-10-16" @default.
- W4312643485 title "Introducing Biosimilars into Current Inflammatory Bowel Disease Treatment Algorithms" @default.
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- W4312643485 doi "https://doi.org/10.33590/emjgastroenterol/10312373" @default.
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