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Scientific rationale for extrapolation of cancer indications

Extrapolation involves extending and applying the data from clinical studies regarding one medical condition to another medical condition. Once biosimilarity has been proven, biosimilars can also be approved for one or more additional indications held by the reference product, without the need for clinical data in those indications. Author Michinori Ogura from the Tokai Central Hospital, Gifu, Japan and colleagues from France and South Korea investigated the scientific rationale for extrapolation using the infliximab biosimilar CT-P10 as an example [1].

Pharmocovigilance of rituximab in Argentina

Novex is a rituximab medicamento biológico similar (similar biological medicines) approved in Argentina. According to Argentinian regulations such products need to implement an active pharmacovigilance programme. This requires regular reporting to the Argentinian regulatory agency Administración Nacional de Medicamentos, Alimentos y Tecnología Médica (National Administration of Drugs, Foods and Medical Devices; ANMAT).

Trastuzumab biosimilar could reduce breast cancer treatment costs

Trastuzumab is a monoclonal antibody that interferes with the human epidermal growth factor receptor 2 (HER2)/neu receptor. In some cancers, notably certain types of breast cancer, HER2 is overexpressed, and causes cancer cells to reproduce uncontrollably. Trastuzumab is therefore used to treat certain breast cancers.

Biosimilars and sustainability

Competition between brand-name biologicals and biosimilars has the potential to reduce future cancer costs, according to researchers from Italy [1].

Boehringer Ingelheim’s adalimumab biosimilar ‘equivalent’ to Humira

Germany-based biologicals specialist Boehringer Ingelheim (Boehringer) announced on 14 June 2017 positive results from its pivotal phase III study of its candidate adalimumab biosimilar.

Biosimilar infliximab safe and effective in IBD

A systematic review and meta-analysis of Celltrion/Hospira’s infliximab biosimilar, Remsima/Inflectra found it to be safe and effective in the treatment of inflammatory bowel diseases (IBD) [1].

Infliximab biosimilar coming closer to interchangeability

Three studies presented at the Digestive Disease Week (DDW) 2017 have shown no significant differences in efficacy or safety endpoint. Two of the studies also specifically tested outcomes in patients switching from the originator infliximab product, Remicade, to the biosimilar version.

Predictive modelling of CIN prophylaxis with biosimilar filgrastim

Granulocyte colony-stimulating factors (G-CSF) stimulate white blood cell production and as such are indicated in the prophylaxis of chemotherapy-induced neutropenia (CIN) and febrile neutropenia (FN). Risk models of CIN/FN to date focus on predictors measured at the start of chemotherapy. Aapro and colleagues used a dynamic approach of CIN/FN risk modelling at the start of each cycle.

How the FDA regulates biosimilars

The advent of recombinant DNA-technology ushered in the development of novel therapeutic protein products that have become mainstays of treatment regimens against cancer, inflammatory disorders and other serious diseases and conditions. Recombinant therapeutic proteins are typically large, complex molecules that are produced in cultured cells and manufactured using complex, multistep purification processes. Despite some of these products being ‘off-patent’ for years, they remain among the most expensive pharmaceuticals in the US and the world. One approach that governments across the globe have taken to reduce healthcare costs is to give regulatory authorities the ability to approve biologicals using an abbreviated licensing pathway that includes achieving the rigorous standard of demonstrating ‘biosimilarity’ with an already approved biological product.

Positive phase III results for Sandoz’s adalimumab biosimilar

A phase III study of a proposed adalimumab biosimilar (GP2017) from Sandoz has met its primary endpoint ‘demonstrating equivalent efficacy’ to AbbVie’s Humira (adalimumab).