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Preparation and Evaluation of Bioadhesive Dibucaine Gels for Enhanced Local Anesthetic Action
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  • Preparation and Evaluation of Bioadhesive Dibucaine Gels for Enhanced Local Anesthetic Action
  • Preparation and Evaluation of Bioadhesive Dibucaine Gels for Enhanced Local Anesthetic Action
저자명
Kang. Chung,Shin. Sang-Chul
간행물명
Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea
권/호정보
2010년|33권 8호|pp.1277-1283 (7 pages)
발행정보
대한약학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

In relieving local pains, dibucaine, one of ester type local anesthetics, has been used. In case of their application such as ointments and creams, it is difficult to expect their effects for a required period of time, because they are easily removed by wetting, movement and contacting. To develop suitable bioadhesive gels, the bioadhesive force of hydroxypropyl cellulose (HPC) was tested using auto-peeling tester. The effect of drug concentration on drug release was studied from the prepared 2% HPC-HF gels using synthetic cellulose membrane at $37{pm}0.5^{circ}C$. We investigated the enhancing effects on drug permeation into skins, using some kind of enhancers such as the glycols, the non-ionic surfactants, the fatty acids, and the propylene glycol derivatives. Anesthetic effects of dibucaine gels containing polyoxyethylene 2-oleyl ether were measured by tail flick analgesic meter. The bioadhesive force of various types of HPC such as GF, MF, and HF, was 0.0131, 0.0501, and 0.1346 N, at 2% HPC concentration, respectively. The HPC-HF gels showed the highest bioadhesive force. As the concentration of HPC-HF increased, the drug release increased. As the temperature increased, the drug release increased. Among the enhancers used, polyoxyethylene 2-oleyl ether showed the highest enhancing effects. According to the rat tail flick test, 1% drug gels containing polyoxyethylene 2-oleyl ether showed the prolonged local anesthetic effects. In conclusion, the dibucaine gel containing penetration enhancer and vasoconstrictor showing enhanced local anesthetic action could be developed by using the bioadhesive polymer, HPC.