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Enhanced Iontophoretic Delivery of Risedronate Sodium Across Hairless Mice Skin

무모생쥐 피부에 리제드로네이트 소디움의 이온토포레시스 경피전달

  • Hwang, In-Young (Department of Pharmaceutical Science) ;
  • Lee, Mi-Jung (Department of Pharmaceutical Science) ;
  • Jung, Suk-Hyun (Biomaterial Research Center, Korea Research Institute of Chemical Technology) ;
  • Jeong, Seo-Young (Department of Pharmaceutical Science) ;
  • Cho, Sun-Hang (Biomaterial Research Center, Korea Research Institute of Chemical Technology) ;
  • Gil, Young-Sig (R&D Center/Life Science Laboratory, Kolmar Korea CO., LTD) ;
  • Jeong, Sang-Young (R&D Center/Life Science Laboratory, Kolmar Korea CO., LTD) ;
  • Shin, Byung-Cheol (Biomaterial Research Center, Korea Research Institute of Chemical Technology)
  • 황인영 (경희대학교 약학대학 약제학실) ;
  • 이미정 (경희대학교 약학대학 약제학실) ;
  • 정석현 (한국화학연구원 바이오소재연구센터) ;
  • 정서영 (경희대학교 약학대학 약제학실) ;
  • 조선행 (한국화학연구원 바이오소재연구센터) ;
  • 길영식 ((주)한국콜마 생명과학연구소) ;
  • 정상영 ((주)한국콜마 생명과학연구소) ;
  • 신병철 (한국화학연구원 바이오소재연구센터)
  • Received : 2010.01.25
  • Accepted : 2010.02.17
  • Published : 2010.04.20

Abstract

Osteoporosis was traditionally defined by the occurrence of nontraumatic fractures, especially of the spine, in the setting of low bone mass. Bisphosphonates are an important group of therapeutic agents for the management of osteoporosis, as they inhibit bone resorption and increase bone density, thereby potentially decreasing fracture risk. Risedronate sodium is a bisphosphonate class used by oral formulation. In this study, risedronate was transdermally delivered by iontophoresis. Effects of polarity, pH, current density, and drug concentration were studied using a side-by-side diffusion cell including the hairless mice skin. In addition we studied effect of enhancers. The flux was evaluated by HPLC/UV system. The amount of transported drug under iontophoretic delivery was approximately 186 fold higher than that under passive delivery. Flux was proportional to the increase of drug concentration and current density. The flux was observed about 0.68mg/$cm^2$ when the amout of Propyleneglycol monolaurate (PGML) used 1% as enhancer. Results indicated that iontophoresis is an effective method for transdermal administration of risedronate sodium

Keywords

References

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