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논문 기본 정보

자료유형
학술저널
저자정보
Le Thi Phuc (Department of Polymer Science and Engineering Chungnam National University Daejeon Korea.) Yu Yang (Department of Otolaryngology-Head and Neck Surgery College of Medicine Chungnam National University Daejeon Korea.) Cho Ik Sung (Department of Polymer Science and Engineering Chungnam National University Daejeon Korea.) Suh Eun Yeong (Department of Polymer Science and Engineering Chungnam National University Daejeon Korea.) Kwon Hyuk Chan (Department of Medical Science College of Medicine Chungnam National University Daejeon Korea.) Shin Sun-Ae (Department of Otolaryngology-Head and Neck Surgery College of Medicine Chungnam National University Daejeon Korea.Brain Research Institute College of Medicine Chungnam National University Daejeon Kore) Park Yong-Ho (Department of Otolaryngology-Head and Neck Surgery College of Medicine Chungnam National University Daejeon Korea.Department of Medical Science College of Medicine Chungnam National University Daejeon) Huh Kang Moo (Department of Polymer Science and Engineering Chungnam National University Daejeon Korea.)
저널정보
대한의학회 Journal of Korean Medical Science Journal of Korean Medical Science Vol.38 No.17
발행연도
2023.5
수록면
1 - 15 (15page)
DOI
10.3346/jkms.2023.38.e135

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Background: In this study, we prepared and evaluated an injectable poloxamer (P407) hydrogel formulation for intratympanic (IT) delivery of dexamethasone (DEX). Methods: DEX-loaded P407 hydrogels were characterized in terms of thermogelation, drug loading capacities, particle size, and drug release. The in vivo toxicity and drug absorption of the DEX-loaded P407 formulation after IT injection were evaluated using an animal model by performing histopathological analysis and drug concentration measurements. Results: The P407 hydrogel effectively solubilized hydrophobic DEX and demonstrated a sustained release compared to the hydrophilic DEX formulation. The in vivo study showed that the hydrogel formulation delivered considerable drug concentrations to the inner ear and displayed a favorable safety profile without apparent cytotoxicity or inflammation. Conclusion: P407 hydrogel can be useful as an injectable inner ear delivery formulation for hydrophobic drugs due to their biocompatibility, drug-solubilizing capacity, thermogelation, and controlled release.

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