Frontiers of Chemical Science and Engineering
>> 2015,
Volume 9,
Issue 1
doi:
10.1007/s11705-015-1509-3
REVIEW ARTICLE
Nanocrystal technology for drug formulation and delivery
1. Department of Chemistry, Chemical Biology, and Biomedical Engineering, Charles V. Schaefer School of Engineering and Sciences, Stevens Institute of Technology, Hoboken, NJ 07030, USA.
2. Stony Brook University School of Medicine, Stony Brook, NY 11794, USA
Accepted: 2015-04-01
Available online: 2015-04-07
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Abstract
With the development of modern technology like high throughput screening, combinatorial chemistry and computer aid drug design, the drug discovery process has been dramatically accelerated. However, new drug candidates often exhibit poor aqueous or even organic medium solubility. Additionally, many of them may have low dissolution velocity and low oral bioavailability. Nanocrystal formulation sheds new light on advanced drug development. Due to small (nano- or micro- meters) sizes, the increased surface-volume ratio leads to dramatically enhanced drug dissolution velocity and saturation solubility. The simplicity in preparation and the potential for various administration routes allow drug nanocrystals to be a novel drug delivery system for specific diseases (i.e. cancer). In addition to the comprehensive review of different technologies and methods in drug nanocrystal preparation, suspension, and stabilization, we will also compare nano- and micro-sized drug crystals in pharmaceutical applications and discuss current nanocrystal drugs on the market and their limitations.
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