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Review
. 2019 Mar 15:143:97-114.
doi: 10.1016/j.addr.2019.06.008. Epub 2019 Jun 28.

Absorption, distribution, metabolism and excretion of the biomaterials used in Nanocarrier drug delivery systems

Affiliations
Review

Absorption, distribution, metabolism and excretion of the biomaterials used in Nanocarrier drug delivery systems

Chong Su et al. Adv Drug Deliv Rev. .

Abstract

Nanocarriers (NCs) are a type of drug delivery system commonly used to regulate the pharmacokinetic and pharmacodynamic properties of drugs. Although a wide variety of NCs has been developed, relatively few have been registered for clinical trials and even fewer are clinically approved. Overt or potential toxicity, indistinct mechanisms of drug release and unsatisfactory pharmacokinetic behavior all contribute to their high failure rate during preclinical and clinical testing. These negative characteristics are not only due to the NCs themselves but also to the materials of the drug nanocarrier system (MDNS) that are released in vivo. In this article, we review the main analytical techniques used for bioassay of NCs and MDNS and their pharmacokinetics after administration by various routes. We anticipate our review will serve to improve the understanding of MDNS pharmacokinetics and facilitate the development of NC drug delivery systems.

Keywords: Bioassay; Drug delivery systems; Nanocarriers; Nanoparticles; Pharmacodynamics; Pharmacokinetics.

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