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Candidate infliximab biosimilar SB2 equivalent to Remicade

Results from a phase III clinical trial for a candidate biosimilar version of infliximab in patients suffering from rheumatoid arthritis has shown SB2 to be equivalent to Remicade [1].

Biosimilar etanercept safe and effective

In a study funded by Samsung Bioepis (a Biogen and Samsung joint venture), their candidate etanercept biosimilar (SB4) has been found to be safe and well tolerated and to be equivalent in terms of efficacy compared to Enbrel (etanercept) in patients with rheumatoid arthritis (RA) [1].

Phase III results of adalimumab biosimilar demonstrate equivalence

South Korean electronics giant Samsung and biotechnology company Biogen Idec’s joint venture Samsung Bioepis announced on 6 July 2015 phase III data demonstrating the ‘clinical equivalence’ of their adalimumab biosimilar (SB5) compared to the originator biological, Humira.

Positive phase III results for candidate etanercept and infliximab biosimilars

Results of pivotal phase III clinical studies of candidate etanercept biosimilar SB4 and candidate infliximab biosimilar SB2 met their primary endpoints, demonstrating equivalence to the originator biological in patients with moderate to severe rheumatoid arthritis (RA) despite methotrexate therapy [1, 2].

Phase I results for candidate adalimumab, etanercept and infliximab biosimilars

Results of phase I clinical studies of candidate adalimumab biosimilar SB5, etanercept biosimilar SB4 and infliximab biosimilar SB2, demonstrated equivalence safety profiles to their originator biologicals in healthy subjects [1-3].

Effectiveness of ESAs in treating anaemia in kidney disease and cancer patients

Erythropoiesis-stimulating agents (ESAs) are biological analogues of human erythropoietin used for the treatment of anaemia associated with chronic kidney disease (CKD) and chemotherapy treatment in cancer patients [1]. ESA biosimilars have been available on the Italian market since 2007. However, only limited post-marketing data exist on the comparative effectiveness of biosimilar and originator ESAs in routine care.

Monoclonal antibodies and the challenge of substitution

Healthcare payers are eagerly awaiting the arrival of biosimilar competition in the innovative monoclonal antibody sector in order to drive down drug prices and increase patients’ access to these medicines. As the first to introduce scientific and regulatory requirements for the approval of biosimilars in 2004, the European Union (EU) has emerged as a testing ground for biosimilars. In view of the lack of stance of EU governments and national institutions on substitution for biosimilars, hospitals and healthcare structures logically took up this major issue.

Pharmacokinetic behaviour of a trastuzumab biocomparables

Biosimilars represent a viable alternative for the treatment of chronic and degenerative diseases of many patients worldwide who cannot afford the costs of biotherapies based on originator products. Trastuzumab is a humanized monoclonal antibody, which is used for the treatment of HER2-positive breast cancer. In the review paper of Miranda-Hernández et al. [1], the authors described the development of a trastuzumab biocomparable by Mexico-based Probiomed. This biocomparable, according to the authors, was developed in compliance with international guidelines and the characterization of Critical Quality Attributes (CQAs), as well as the pharmacokinetic parameters evaluated in healthy volunteers, demonstrated comparability with the reference product.

Uptake of biosimilars increasing in Spain

Use of biosimilars in Madrid, Spain, has increased after approaches were introduced to try and improve uptake of biosimilars in the country, according to Ainhoa Aranguren Oyarzábal and colleagues from the Madrid Health Service (MHS), Spain [1].

Clinical and regulatory issues for biosimilars

As the first biosimilars are being approved in the US, there are a number of clinical and regulatory issues that must be considered for the safe and appropriate utilization of these products within the health system [1]. Biosimilars provide the opportunity to lower cost and improve access to important biological treatments. However, their success will depend largely on their acceptance by clinicians, payers and patients.

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