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  1. 教員研究業績
  2. 製剤学研究室
  3. 原著論文

Improved respirable fraction of budesonide powder for dry powder inhaler formulations produced by advanced supercritical CO2 processing and use of a novel additive.

https://gifu-pu.repo.nii.ac.jp/records/13110
https://gifu-pu.repo.nii.ac.jp/records/13110
a5b4c142-c306-4a46-8d54-64619c1539b5
Item type 研究室原著論文(1)
公開日 2017-06-03
タイトル
タイトル Improved respirable fraction of budesonide powder for dry powder inhaler formulations produced by advanced supercritical CO2 processing and use of a novel additive.
言語
言語 eng
キーワード
言語 en
主題Scheme Other
主題 Administration
キーワード
言語 en
主題Scheme Other
主題 Inhalation
キーワード
言語 en
主題Scheme Other
主題 Aerosols
キーワード
言語 en
主題Scheme Other
主題 Budesonide
キーワード
言語 en
主題Scheme Other
主題 Dry Powder Inhalers
キーワード
言語 en
主題Scheme Other
主題 Particle Size
キーワード
言語 en
主題Scheme Other
主題 Powders
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
抄録
値 A budesonide (BDS) suspension was obtained via advanced supercritical carbon dioxide (scCO2) processing. Thereafter, the suspension was freeze-dried (FD) to produce BDS particles for dry powder inhaler formulations (scCO2/FD processing). The scCO2/FD processed BDS powder showed low crystallinity by powder X-ray diffraction and a rough surface by scanning electron microscopy. The respirable fraction of BDS was assessed using a twin impinger and revealed that the amount of the scCO2/FD processed sample that reached stage 2 was 4-fold higher than that of the supplied powder. To extend the utility of scCO2 processing, BDS particles for dry powder inhalers were fabricated by combining the scCO2 system with various additives. When BDS was processed via scCO2/FD in the presence of the novel additive, namely, monoglyceride stearate (MGS), the residual BDS/MGS particles remaining in the capsule and devices decreased, followed by an increase in the respirable fraction of BDS 6-fold higher than with the supplied powder. The scCO2/FD processed BDS/MGS particles had a smooth surface, in contrast to the scCO2/FD processed BDS particles. A combination of BDS and an appropriate additive in scCO2 treatment may induce changes in particle surface morphology, leading to an improvement in the inhalation properties of BDS.
書誌情報 en : International journal of pharmaceutics

巻 528, 号 1-2, p. 118-126, 発行日 2017-08-07
DOI
値 10.1016/j.ijpharm.2017.06.002
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Cite as

2017, Improved respirable fraction of budesonide powder for dry powder inhaler formulations produced by advanced supercritical CO2 processing and use of a novel additive.: 118–126 p.

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