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논문 기본 정보

자료유형
학술저널
저자정보
Jin, Woo-Gwan (College of Pharmacy, Chonnam National University) Shin, Sang-Chul (College of Pharmacy, Chonnam National University)
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제31권 제2호
발행연도
2008.1
수록면
235 - 241 (7page)

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초록· 키워드

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To develop the new procaine gel formulations with a suitable bioadhesive property, the gel was formulated using hydroxypropyl methylcellulose (HPMC) and poloxamer containing an enhancer and the local anesthetic action were evaluated. As the drug concentration in the gels and the temperature of surrounding solutions increased, the drug release increased. The activation energy of drug permeation was 4.35 kcal/mol for procaine. The effects of permeation enhancers on the permeation rate of drug through skin were studied using various enhancers, such as the glycols, the non-ionic surfactants, and the bile salts. Among the enhancers used, polyoxyethylene 2-oleyl ether showed the most enhancing effects on drug permeation through skin. The analgesic activity was examined using a tail-flick analgesimeter. From the area under the efficacy curve of the rat-tail flick tests, procaine gel containing polyoxyethylene 2-oleyl ether showed about 1.77-fold increase in analgesic activity compared with the control. These results support that the enhanced local anesthetic gels containing an enhancer could be developed using the bioadhesive polymer gels based on HPMC and poloxamer.

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