Abstract
Oral administration is considered as major, convenient route among all other routes of delivery, owing to several benefits. But, the poor solubility or enzymatic/metabolic activity are the major concerns in developing a successful formulation. About 40% of approved drugs which are in the current market and 90% of new drug molecules in the developmental pipeline are hydrophobic in nature. The challenge to formulate insoluble drugs has met with various approaches to overcome the problems related to solubility, application of nanotechnology is one amongst them. The present review deals with various nanocarriers and technologies that are proven to be effective in enhancing the bioavilability of poorly soluble drugs.
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