期刊
JOURNAL OF PHARMACEUTICAL SCIENCES
卷 106, 期 1, 页码 39-65出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.xphs.2016.09.014
关键词
amorphous; nanoparticles; nanocrystalline; solubility; stability; dissolution; solid state; calorimetry; X-ray diffraction; bioavailability
There has been a tremendous revolution in the field of nanotechnology, resulting in the advent of novel drug delivery systems known as nanomedicines for diagnosis and therapy. One of the applications is nanoparticulate drug delivery systems which are used to improve the solubility and oral bioavailability of poorly soluble compounds. This is particularly important because most of the molecules emerging from the drug discovery pipeline in recent years have problems associated with solubility and bioavailability. There has been considerable focus on nanocrystalline materials; however, amorphous nanoparticles have the advantage of synergistic mechanisms of enhancing dissolution rates (due to their nanosize range and amorphous nature) as well as increasing supersaturation levels (due to their amorphous nature). An example of this technology is NanomorphTM, developed by Soliqus/Abbott, wherein the nanosize drug particles are precipitated in an amorphous form in order to enhance the dissolution rate. This along with other simple and easily scalable manufacturing techniques for amorphous nanoparticles is described. In addition, the mechanisms of formation of amorphous nanoparticles and several physicochemical properties associated with amorphous nanoparticles are critically reviewed. (C) 2016 American Pharmacists Association r. Published by Elsevier Inc. All rights reserved.
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