Journal of Pharmaceutical Investigation

  • 제32권3호
  • /
  • Pages.191-197
  • /
  • 2002
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  • 2093-5552(pISSN)
  • /
  • 2093-6214(eISSN)
한국약제학회 (The Korean Society of Pharmaceutical Sciences and Technology)
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가용화 조성물과 난용성 약물군을 함유하는 고체분산체의 용출양상

Dissolution Profiles of Solid Dispersions Containing Poorly Water-Soluble Drugs and Solubilizing Compositions

  • 김태완 (강원대학교 약학대학, 생체리듬 및 제어방출 연구실,(주)팜트리) ;
  • 최춘영 (강원대학교 약학대학, 생체리듬 및 제어방출 연구실,(주)팜트리) ;
  • ;
  • 권경애 ((주)한독약품) ;
  • 이범진 (강원대학교 약학대학, 생체리듬 및 제어방출 연구실,(주)팜트리)
  • Kim, Tae-Wan (Biological Rhythm and Controlled Release Lab., College of Pharmacy, Kangwon National University,Pharm Tech Research Incorp.) ;
  • Choi, Choon-Young (Biological Rhythm and Controlled Release Lab., College of Pharmacy, Kangwon National University,Pharm Tech Research Incorp.) ;
  • Cao, Qing-Ri (Biological Rhythm and Controlled Release Lab., College of Pharmacy, Kangwon National University) ;
  • Kwon, Kyoung-Ae (Handok Pharmaceutical Co., LTD.) ;
  • Lee, Beom-Jin (Biological Rhythm and Controlled Release Lab., College of Pharmacy, Kangwon National University,Pharm Tech Research Incorp.)
  • 발행 : 2002.09.20
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초록

Polymer based physical mixtures or solid dispersions containing solubilizing compositions[OA, tween80 and SLS] were prepared using a spray-dryer. Lovastatin(LOS), simvastatin(SIMS), aceclofenac(AFC) and cisapride(CSP) were selected as poorly water-soluble drugs. Dextrin, poly(vinylalcohol) (PVA), poly(vinylpyrrolidone)(PVP) and polyethylene glycol(PEG) were chosen as solubilizing carriers for solid dispersions. The solid dispersions containing solubilizing compositions without drug were prepared without using organic solvents or tedious changes of formulation compositions. This system could be used to quickly screen the dissolution profiles of poorly water-soluble drugs by simply mixing with drugs thereafter. In case of solid dispersion containing drug, organic solvent systems could be used to solubilize model drugs. The dissolution rates of the drugs were higher when mixed with drug and solid dispersions containing solubilizing compositions. However, solid dispersions of LOS, AFC, and CSP simultaneously containing drug and solubilizing compositions in organic solvent systems were more useful than physical mixtures of drug and solid dispersions without drug except SIMS. Based on solubilizing capability of polymer based physical mixtures in gelatin hard capsules, optimal solid dispersion system of poorly water-soluble drugs could be formulated. However, it should be noted that dissolution rate of poorly water-soluble drugs were highly dependent on drug properties, solubilizing compositions and polymeric carriers.

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