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CPI and Arecor investigate compatibility of biologic medicines with product containers
13 October 2015 • Author: Victoria White
The Centre for Process Innovation (CPI) has collaborated with Arecor to investigate ways to enhance the compatibility of biologic medicines with drug product containers, thereby potentially improving stability and shelf life throughout transportation and storage.
This project was the first industry partnership undertaken by CPI in association with its £38m National Biologics Manufacturing Centre.
The components of drug product vials and syringes have been found to have an adverse impact on the stability of some biologics, causing degradation which can render the medicine unsuitable for administration, in some cases resulting in product recalls. Although this issue is widely recognised in the biopharmaceutical industry, the actual causative components and degradation mechanisms have not been fully elucidated. This collaboration has investigated the effects of selected silicone oils and other primary packaging materials on the stability of proteins to enhance our understanding of container related causes of degradation and the use of novel formulations to mitigate these effects.
The ability to stabilise therapeutic proteins using formulation as has been demonstrated during this project can provide great benefit for the global biologics manufacturing supply chain by cutting costs and reducing waste through increased shelf life and reduced product specification failures.
CPI and Arecor investigated the effect of silicone oil on the stability of a number of proteins
Aggregation is one of the most challenging issues for the development of therapeutic products, yet we still have a lot to understand about how aggregation occurs and effective ways to prevent it. Aggregation can be a result of stresses that a protein undergoes during manufacture, storage and use, such as temperature fluctuations and agitation. Silicone oil coatings in pharmaceutical containers such as pre-filled syringes have also been implicated in therapeutic protein aggregation, and this is an important challenge in product development. Strategies to mitigate silicone oil induced aggregation of therapeutic proteins are required.
Using a range of methods for characterising protein aggregation CPI and Arecor investigated the effect of silicone oil on the stability of a number of proteins and the effect of formulation on mitigating any negative effects observed. They demonstrated a marked effect on the stability of the test proteins in the presence of silicone oil, with substantial aggregation occurring. Subsequently they were able to demonstrate stabilisation and almost complete inhibition of aggregation by using specific excipient combinations.
Dr Jan Jezek, Chief Scientific Officer at Arecor said: “Rapid development in pre-filled syringes for biologics in the last decade has led to increasing occurrence of stability issues due to interactions with primary packaging materials. The collaboration with CPI allowed us to gain crucial insights into the nature of these undesirable effects and make an important step toward effective formulation strategies to mitigate them.”
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