Developing a new drug delivery technologies and utilizing them in product development is critical for pharmaceutical industries to isurvive, regardless of their size. As a drug nears the end of its patent life, it is common for pharmaceutical manufacturers to develop a given drug entity in a new and improved dosage form. A new dosage form allows a manufacturer to extend market exclusivity, unique product differentiation, value-added product line extension, and extend patent protection, while offering its patient population a more convenient dosage form. This leads to increased revenue, while also targeting under-served and under-treated patient ipopulations. Marketers build a better brand and company image when they offer a unique easier-to-take form that satisfies the need of an underserved patient population.