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  5. Terbinafine固態油相奈米粒子劑型之局部給藥系統開發研究
 
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Terbinafine固態油相奈米粒子劑型之局部給藥系統開發研究

Other Title
Development of Terbinafine Solid Lipid Nanoparticles for Topical Delivery System
Type
thesis
Date Issued
2011-07-19
Author(s)
張宗威
Advisor
許明照
Subjects
系所名稱:藥學研究所
Description
學位別:碩士
語文別:中文
指導教授:許明照
共同指導教授:
口試委員:林山陽;蔡義弘;林文貞;何秀娥
中文關鍵字:terbinafine;solid lipid nanoparticles;topical delivery system
Abstract
Terbinafine是一種抗黴菌藥物,臨床上常用於香港腳局部治療。目前市面上治療香港腳製劑面臨到給藥時間長和頻次多的問題,本研究藉由固態油相奈米粒子(solid lipid nanoparticles)劑型中可承載疏水性藥物和粒徑小的特性,來開發給藥時間短和頻次少的處方。處方以微乳劑形成法(microemulsions technique)來製備固態油相奈米粒子,其中固態油相選用Glyceryl Monostearate(GMS)、Glyceryl Behenate(Compritol 888)和Glyceryl Palmitostearate(Precirol ATO 5),界面活性劑選用Tween和Cremophor系列來建立三相圖找出能維持澄清的處方組成。體外穿皮試驗中以裸鼠皮作為給藥模式,市售產品Lamisil® Once作為對照組,比較各處方在投予24小時後角質層、表皮層和真皮層中藥物濃度的差異。透過粒徑分析儀來觀察處方製備後粒徑大小的變化,各處方製備後粒徑大小多介於80~200nm之間,其中以CPa和ATOb處方安定性較佳,製備完成後28天依然維持澄清,測得平均粒徑大小分別為243.3nm和197.6nm。體外穿皮試驗中以ACP1-GM1處方與Lamisil® Once在角質層和表皮層的藥物濃度最接近,而真皮層藥物濃度在給藥12小時後已相當接近Lamisil® Once給藥24小時;給藥24小時後,真皮層藥物濃度更是Lamisil® Once的1.17倍。本研究將Terbinafine HCl結合到固態油相奈米粒子劑型上,發現處方中固態油相可包埋溶解度差的Terbinafine HCl以奈米粒子穿透皮膚,增加Terbinafine HCl進入皮膚的濃度,因此可減少給藥時間與頻次。最後,縱使固態油相奈米粒子安定性不佳仍需改進,但在香港腳局部治療還是非常具有發展潛力。
URI
https://203.71.86.71/handle/123456789/13670

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