Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Percutaneous Absorption Characteristics of Tacrine in Alzheimer-type Dementia Treatment

Alzheimer형 치매치료제인 Tacrine의 경피 투과 특성 연구

  • Lee, Han-Seob (Department of Environment, University of YongIn)
  • 이한섭 (용인대학교 환경과학대학 환경학과)
  • Received : 2012.10.16
  • Accepted : 2012.12.19
  • Published : 2012.12.30
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Abstract

Drug delivery technologies are patent protected formulation technologies that modify drug release profile, absorption, distribution, and elimination for the benefit of improving product efficacy and safety, as well as patient convenience and compliance. The most commonly used transdermal system is the skin patch using various types of technologies. Compared with other method of dosage, it is possible to use for a long term. It is also possible to stop the drug dosage are stop if the drug dosage lead to side effect. Polysaccharide, such as karaya gum and locust bean gum(LBG)/water-soluble chitosan oligomer(WSCO) were selected as base materials of TDS. Also, these polymers were characterized in terms of enhancers, tacrine contents. Among these polysaccharide, the permeation rate of karaya gum matrix was fastest in tacrine such as lipophilic drug in vitro. We used glycerin, PEG 400, and PEG 800 as enhancers. Therefore, transdermal absorption of tacrine could be improved by changing vehicle composition or by using penetration enhancers. Especially it would be anticipated that the high permeation efficacy could be obtained by using vehicle that has enhancing effect for itself and by adding enhancers to it.

약물 전달 시스템은 약물의 방출 프로파일, 흡수, 분배 및 제품의 효율성과 안전성, 환자의 편의성과 협조를 향상시키기 위한 제거를 개선하는 명백하게 보호화된 공식화 기술이다. 가장 일반적으로 쓰이는 transdermal 시스템은 다양한 종류의 기술을 사용하는 skin patch다. 다른 투약 방법과 달리, transdermal 시스템은 장기간 사용이 가능하다. 또한, 부작용이 생길 경우, 약물 투약의 중단이 가능하다. karaya gum and locust bean gum(LBG)/water-soluble chitosan oligomer(WSCO)과 같은 Polysaccharide를 TDS의 기본 물질로 선택하였다. 또한, 이 polymers들은 tacrine 물질, 강화제로 규정되어진다. 이러한 polysaccharide 중에서, karaya gum matrix의 침투율은 lipophilic drug in vitro 와 같은 tacrine 내에서 가장 빠르다. 우리는 glycerin, PEG 400, and PEG 800를 강화제로 사용하였다. 그러므로, transdermal의 tacrine 흡수율은 vehicle 구성을 바꿈으로써, 혹은 침투 강화제를 사용함으로써 향상되었을 것이다. 특히, vehicle이 스스로의 효과를 강화하는 것과 더불어, vehicle에 강화제를 첨가함으로써 높은 침투 효율이 얻어질 것으로 기대된다.

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