Journal
JOURNAL OF PHARMACEUTICAL SCIENCES
Volume 97, Issue 9, Pages 3518-3590Publisher
ELSEVIER SCIENCE INC
DOI: 10.1002/jps.21270
Keywords
distribution; pharmacokinetics/pharmacodynamics; gene delivery; liposomes; in silico modeling; controlled release/delivery; polymeric drug delivery; nanovehicle; nanoparticle; targeted drug delivery; polymeric drug carrier; cancer
Funding
- National Institutes of Health [1R01EB002825-01]
- Department of Veterans Affairs
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This article provides an overview of principles and barriers relevant to intracellular drug and gene transport, accumulation and retention (collectively called as drug delivery) by means of nanovehicles (NV). The aim is to deliver a cargo to a particular intracellular site, if possible, to exert a local action. Some of the principles discussed in this article apply to noncolloidal drugs that are not permeable to the plasma membrane or to the blood-brain barrier. NV are defined as a wide range of nanosized particles leading to colloidal objects which are capable of entering cells and tissues and delivering a cargo intracelullarly. Different localization and targeting means are discussed. Limited discussion on pharmacokinetics and pharmacodynamics is also presented. NVs are contrasted to micro-delivery and current nanotechnologies which are already in commercial use. Newer developments in NV technologies are outlined and future applications are stressed. We also briefly review the existing modeling tools and approaches to quantitatively describe the behavior of targeted NV within the vascular and tumor compartments, an area of particular importance. While we list elementary phenomena related to different level of complexity of delivery to cancer, we also stress importance of multi-scale modeling and bottom-up systems biology approach. (C) 2008 Wiley-Liss, Inc. and the American Pharmacists Association J Pharm Sci 97:3518-3590, 2008.
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