A Novel Drug Delivery System for Bisphosphonates: Innovative Strategy for Local Treatment of Bone Resorption

摘要:

文章预览

One type of potent aminobisphosphonate (Zoledronate) has been chemically associated onto b-tricalcium phosphate [b-TCP] and calcium deficients apatite [CDA]. Two different association modes have been observed, according to the nature of the Calcium Phosphate [CaP] support and/or the initial concentration of the Zoledronate solution. b-TCP appears to promote Zoledronate-containing crystals formation. On the other hand, at concentrations < 0.05 mol.L-1 CDA seems to undergo chemisorption of the drug through a surface adsorption process, due to PO3 for PO4 exchange, which is well described by Freundlich equations. At concentrations > 0.05 mol.L-1, crystalline needles of a Zoledronate complex form onto the CDA surface. The ability of CDA to release Zoledronate, resulting in the inhibition of osteoclastic activity, was shown using a specific in vitro bone resorption model.

信息:

期刊:

主题:

编辑:

Panjian Li, Kai Zhang and Clifford W. Colwell, Jr.

页数:

399-402

DOI:

10.4028/www.scientific.net/KEM.284-286.399

引用:

S. Josse et al., "A Novel Drug Delivery System for Bisphosphonates: Innovative Strategy for Local Treatment of Bone Resorption ", Key Engineering Materials, Vols. 284-286, pp. 399-402, 2005

上线时间:

April 2005

输出:

价格:

$35.00

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