Drug loading of polymer implants by supercritical CO2 assisted impregnation: A review

被引:200
作者
Champeau, M. [1 ,2 ]
Thomassin, J. -M. [1 ]
Tassaing, T. [2 ]
Jerome, C. [1 ]
机构
[1] Univ Liege, Dept Chem, Ctr Educ & Res Macromol, B-4000 Liege, Belgium
[2] Univ Bordeaux, Grp Spect Mol, UMR CNRS 5255, Inst Mol Sci, F-33405 Talence, France
关键词
Supercritical carbon dioxide; Impregnation; Drug loading; Drug delivery; Drug-eluting implant; CARBON-DIOXIDE; SOLVENT IMPREGNATION; FLUID IMPREGNATION; INTRAOCULAR-LENS; ATR-IR; RELEASE; DELIVERY; SORPTION; SOLUBILITY; SCAFFOLDS;
D O I
10.1016/j.jconrel.2015.05.002
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Drug loaded implants also called drug-eluting implants have proven their benefits over simple implants. Among the developed manufacturing processes, the supercritical CO2 (scCO(2)) assisted impregnation has attracted growing attention to load Active Pharmaceutical Ingredients into polymer implants since it enables to recover a final implant free of any solvent residue and to operate under mild temperature which is suitable for processing with thermosensitive drugs. This paper is a review of the state-of-the-art and the application of the scCO(2) assisted impregnation process to prepare drug-eluting implants. It introduces the process and presents its advantages for biomedical applications. The influences of the characteristics of the implied binary systems and of the experimental conditions on the drug loading are described. Then, the various current applications of this process for manufacturing drug-eluting implants are reviewed. Finally, the new emerging variations of this process are described. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码:248 / 259
页数:12
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