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Mol Pharm. 2008 Jul-Aug;5(4):496-504. doi: 10.1021/mp800049w. Epub 2008 Jul 9.

Pharmacokinetics and biodistribution of nanoparticles.

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1
School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599, USA.

Abstract

Nanoparticles show their promise for improving the efficacy of drugs with a narrow therapeutic window or low bioavailability, such as anticancer drugs and nucleic acid-based drugs. The pharmacokinetics (PK) and tissue distribution of the nanoparticles largely define their therapeutic effect and toxicity. Chemical and physical properties of the nanoparticles, including size, surface charge, and surface chemistry, are important factors that determine their PK and biodistribution. The intracellular fate of the nanoparticles after cellular internalization that affects the drug bioavailability is also discussed. Strategies for overcoming barriers for intracellular delivery and drug release are presented. Finally, future directions for improving the PK of nanoparticles and perspectives in the field are discussed.

PMID:
18611037
DOI:
10.1021/mp800049w
[Indexed for MEDLINE]
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