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European Pharmaceutical Contractor
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Nasal delivery has traditionally been restricted to topically acting substances used to treat the common cold and nasal allergies. Recently, however, there has been increased interest in the nose as an alternative to oral delivery and injection for many systemic drugs and vaccines. The highly vascularised and immunogenic nasal mucosa offers potential advantages in terms of quick action, improved bio-availability and patient compliance as well as improved immune response for vaccines.
Faced with surging drug development costs and fierce generic competition, pharmaceutical companies are under increasing pressure to find ways to increase and prolong the profitability of both existing and new products. In addition, many of the advanced molecules being developed by biotechnology companies require more efficient delivery than that offered by conventional delivery routes and systems. The challenge of optimising the bio-availability and patient compliance of these expensive molecules are other significant drivers for the development of novel drug delivery systems.
If successful, reformulation allied with novel delivery systems provide powerful tools for improving efficiency and differentiating a product from those of competitors. In addition, more efficient and patient-friendly delivery systems and dosage forms can help extend patent life and increase competitiveness. Overall this provides companies with the opportunity to maintain and increase their market share for only a relatively limited investment.
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