各種刺激に伴う皮膚環境変化がミノキシジルナノ製剤の薬物挙動へ与える影響

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  • Effects of Skin Environmental Changes by Steam Towel, Ethanol, <i>l</i>-Menthol and Carpronium on the Drug Behavior in the Minoxidil Nanoparticles-applied Mice
  • カクシュ シゲキ ニ トモナウ ヒフ カンキョウ ヘンカ ガ ミノキシジルナノ セイザイ ノ ヤクブツ キョドウ エ アタエル エイキョウ

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<p>We previously designed the formulation containing minoxidil (MXD) nanoparticles (MXD-NPs), and found that the MXD-NPs can mainly deliver MXD into hair bulbs via hair follicles pathway, and that the therapeutic efficiency for hair growth is higher in comparison with the formulation containing dissolved MXD. In this study, we investigated whether the skin environmental changes by the treatment of steam towel, ethanol, l-menthol and commercially available (CA) carpronium affect the drug behavior in the MXD-NPs-applied mice. The steam towel, ethanol, l-menthol and CA-carpronium were pre-treated 3 min before MXD-NPs application, and the MXD content in the hair bulge, bulb, skin tissue and blood of mice were measured 4 h after MXD-NPs application. No significant difference of MXD levels in the blood was observed by the pre-treatment of steam towel, ethanol, l-menthol and CA-carpronium. On the other hand, the pre-treatment of steam towel and l-menthol enhanced the MXD levels in hair bulge and/or bulb. Although, the MXD levels in hair bulge and bulb were not changed by the pre-treatment of ethanol, the MXD levels in skin tissue was higher than that of saline-pre-treated group (control). The MXD levels in hair bulge, bulb and skin tissue of mice pre-treated with CA-carpronium were remarkably higher in comparison with control. In conclusion, we showed that the changes in skin environment by the steam towel, ethanol, l-menthol and CA-carpronium affected the absorption of MXD-NPs, and these increased MXD levels in the hair bulb and blood by the combination may enhance the therapeutic efficiency without side effects.</p>

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  • 薬学雑誌

    薬学雑誌 142 (9), 1015-1020, 2022-09-01

    公益社団法人 日本薬学会

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