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  5. 高分子薄膜力學特性的評估以製備GABA多單元遞送系統
 
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高分子薄膜力學特性的評估以製備GABA多單元遞送系統

Other Title
Evaluation of mechanical properties of polymer film for preparation of GABA multiple unit drug delivery
Type
thesis
Date Issued
2023-06-12
Author(s)
劉宏翊
Advisor
許明照
Subjects
系所名稱:藥學系碩士班
Description
學位別:碩士
語文別:中文
口試委員:何秀娥 HO,HSIU-O ;謝堅銘 HSIEH,CHIEN-MING
授權範圍:網際網路,開放日期為2028-07-24
Abstract
失眠的症狀包括難以入睡、夜間多次醒來、躺下後無法入睡、早上醒來後無法再入睡、即使感到疲倦也難以在白天小睡,感到疲倦和煩躁,並因疲勞而難以集中注意力。若失眠症狀持續時間少於3個月,則稱為短期失眠;若持續3個月或更長時間,則稱為慢性失眠。
GABA代表γ-氨基丁酸,是中樞神經系統中的一種神經遞質,可以抑制或減慢神經細胞的活動。它在調節大腦活動中扮演著關鍵角色,參與各種生理和心理過程,包括放鬆、睡眠和減少焦慮。GABA也可用作膳食補充劑,在臨床上也被研究用於促進放鬆和緩解壓力。
我們的研究旨在開發和評估一種多單元給藥系統,利用流動床包衣技術生產GABA緩釋圓粒,以在治療失眠症方面擁有更廣泛的應用。本研究選用了三種常見的緩釋膜衣材料(Eudragit® RS 30D、Eudragit® NE 30D、Kollicoat® SR 30D),並結合兩種水溶性增塑劑(檸檬酸三乙酯、丙二醇)對緩釋膜衣的物理性質進行了分析。使用動態機械分析儀對聚合物薄膜進行了乾燥和潮濕狀態下的測試。最終,結果顯示在不與GABA相互作用的情況下,Kollicoat® SR 30D併用TEC作為增塑劑具有最佳的彈性和韌性。在溶離率研究中,GABA-SR圓粒在40%包衣增重且使用TEC 10%作為塑化劑的條件下,呈現出持續8小時並釋放出85%藥物的曲線。安定性研究也顯示藥物含量在3個月內保持在90%以上。體內試驗顯示,相較於GABA市售膠囊(THORNE®),使用GABA-SR圓粒可以提高相對口服生體可用率10倍。
總而言之,我們成功製備了GABA-SR圓粒製劑,展現出極佳的安定性和理想的藥物釋放曲線。
URI
https://handle.ncl.edu.tw/11296/9j8898
https://203.71.86.71/handle/123456789/10187

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