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자료유형
학술저널
저자정보
이경호 (아주대학교) 박철훈 (아주대학교) 오기원 (아주대학교) 박준범 (삼육대학교) 이범진 (아주대학교)
저널정보
한국약제학회 Journal of Pharmaceutical Investigation Journal of Pharmaceutical Investigation 제48권 제3호
발행연도
2018.5
수록면
313 - 321 (9page)
DOI
10.1007/s40005-017-0322-z

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New blends of hydroxypropylmethylcellulose (HPMC, 4000 cps) and Gelucire®44/14 (GE) were utilized to modulate the solubility and release rate of poorly watersoluble drug in a controlled manner. HPMC was used as sustained release polymer while GE was blended as a solubilizing carrier. The binary blends of HPMC and GE with proportional ratios (0, 25, 50, 70, 100%) were prepared by three different preparation methods: simple physical mixing, solvent evaporation and hot-melting. The physical properties such as surface morphology, thermal behavior and crystallinity pattern of the binary blends without loading drugs were then characterized using scanning electron microscopy (SEM), differential scanning calorimetry (DSC), and powder X-ray diffraction (PXRD), respectively. Finally, the ternary solid dispersions (SD) were prepared by dispersing model drugs in a binary blend. Two model drugs, water-soluble acetaminophen (AAP) and poorly water-soluble pranlukast (PLK) were applied to the binary blends. In case of AAP, HPMC retarded release rate but GE had no significant solubilizing effect due to the high AAP solubility, In contrast, the release rate of PLK was efficiently modulated release rate in a controlled manner with an aid of HPMC and GE. Surely, GE could play a key role in enhancing the dissolution rate while HPMC efficiently controlled release rate of drugs without losing drug crystallinity.

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