Rheumatology

Despite the fact that biosimilars have a longer history in the European Union than in the United States, many European patients still lack awareness of these medicines, and data suggest that a lack of awareness may be keeping patients from adhering to their therapies.
Sandoz’s biosimilar etanercept, Erelzi, referencing the brand-name Enbrel, has been granted an indication for the treatment of psoriatic arthritis by Health Canada.
 
In a recent comparability analysis,  a proposed biosimilar to etanercept (that the developers hope to sell as Altebrel) underwent direct comparison to the reference and was found to have a high similarity in terms of glycosylation, primary structure, and in-vitro functionality.
Researchers recently sought to evaluate the efficacy and safety of infliximab biosimilar CT-P13 in the treatment of Takayasu arteritis (TAK), a granulomatous inflammatory vasculitis that affects the aorta and can cause aneurysms to form. Some patients with TAK benefit from corticosteroids or second-line, small-molecule immunosuppressive agents, but there is a demand for more effective therapeutic options.
When Celltrion and Teva’s biosimilar rituximab, CT-P10, earned FDA approval under the brand name Truxima in late 2018, it was authorized only for oncology indications, as the drug’s sponsors did not seek indications in inflammatory diseases because of issues related to patent exclusivity on some indications. However, the biosimilar has shown efficacy in treating rheumatoid arthritis (RA), and a European analysis found that the budget impact of introducing CT-P10 could dramatically reduce the cost to treat severe RA.
Drug maker Mycenax has reported positive phase 1 data for its proposed biosimilar tocilizumab, referencing Actemra.
Drug maker Amgen announced this week that it has submitted a Biologics License Application (BLA) for ABP 710, a proposed infliximab biosimilar referencing Remicade.
 
This week, the American College of Rheumatology and the National Psoriasis Foundation released a new treatment guideline for psoriatic arthritis (PsA) that contains evidence-based recommendations on caring for patients with this inflammatory disease.
 
Celltrion has announced that the European Medicines Agency (EMA) has accepted for review an extension marketing authorization application for a subcutaneous formulation of the company’s biosimilar infliximab, CT-P13 (sold in Europe as Remsima and in the United States as Inflectra).
This morning, the United Kingdom’s National Health Service (NHS) announced that it has completed negotiations over using the best-value adalimumab product, and it has arrived at a plan whereby it will save £300 million (approximately $386 million) of its current £400 million-per-year (approximately $514 million) spending on adalimumab.

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