Nanocrystals for enhancement of oral bioavailability of poorly water-soluble drugs
نویسندگان
چکیده
منابع مشابه
Functions of Lipids for Enhancement of Oral Bioavailability of Poorly Water-Soluble Drugs
Lipid-based formulations encompass a diverse group of formulations with very different physical appearance, ranging from simple triglyceride vehicles to more sophisticated formulations such as self-emulsifying drug delivery systems (SEDDS). Lipid-based drug delivery systems may contain a broad range of oils, surfactants, and co-solvents. They represent one of the most popular approaches to over...
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The oral bioavailability of BCS (biopharmaceutics classification system) class II drugs with poor solubility and reasonable permeability is limited by the drug dissolution step from drug products. Though prodrug approach is an exciting way of improving the oral bioavailability, it requires extensive studies to establish the safety profile of prodrugs in humans. In view of the increasing market ...
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At present about 40% of the drugs being in the development pipelines are poorly soluble, even up to 60% of compounds coming directly from synthesis are poorly soluble [1]. Poor solubility is in most cases associated with poor bioavailability. According to the Noyes-Whitney law the dissolution velocity dc/dt depends on the saturation solubility cs. There are two basic approaches to overcome the ...
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Oral administration is the most convenient route among various routes of drug delivery as it offers high patient compliance. However, the poor aqueous solubility and poor enzymatic/metabolic stability of drugs are major limitations in successful oral drug delivery. There are several approaches to improve problems related to hydrophobic drugs. Among various approaches, nanotechnology based drug ...
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Nanotechnology has been improving and has a variety of application fields. One of the major application areas of nanotechnology in pharmacy is nanoparticular drug delivery systems. Preparation of drug nanocrystals to improve the solubility of poorly water-soluble drugs for oral delivery is also one of the important applications. Nanocrystal dispersions comprise water, active drug substance and ...
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ژورنال
عنوان ژورنال: Asian Journal of Pharmaceutical Sciences
سال: 2015
ISSN: 1818-0876
DOI: 10.1016/j.ajps.2014.08.005