JP2020510087A - 活性分子の投与率を調整するための荷電または磁気粒子を含むマイクロセル送達システム - Google Patents
活性分子の投与率を調整するための荷電または磁気粒子を含むマイクロセル送達システム Download PDFInfo
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- JFNLZVQOOSMTJK-KNVOCYPGSA-N norbornene Chemical compound C1[C@@H]2CC[C@H]1C=C2 JFNLZVQOOSMTJK-KNVOCYPGSA-N 0.000 description 1
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- SJMYWORNLPSJQO-UHFFFAOYSA-N tert-butyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC(C)(C)C SJMYWORNLPSJQO-UHFFFAOYSA-N 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
図11は、投与プロファイルが、拡散膜の細孔を閉塞させるために十分な粒子を用いて改変され得ることを実証するために使用されたフランツセルを示す。概略すると、パイレックス(登録商標)ガラスのフランツセル(PermeGear,Inc.,Hellertown,PA)が、得られ、図11に示されるように組み立てられた。透析管類(Thermo−Fisher,Waltham,MA)の2つの層が、フランツセルの継手において開口部を横断して適合するように切断された。対照測定のために、脱イオン水中の500μLの1.3mg/mLニコチン溶液が、セルの上部の中にピペットで移された。サンプルが、図12のグラフに示されるような種々の時点において、レセプターセルから除去された。サンプルは、後に、二重の層障壁を通過したニコチンの合計量を決定するために分析され、それによって、正方形によって表されるデータ点をもたらした。
Claims (25)
- 活性分子送達システムであって、前記活性分子送達システムは、
複数のマイクロセルであって、各マイクロセルは、開口部を含み、各マイクロセルは、活性分子と荷電粒子との混合物、または活性分子と磁性粒子との混合物を含む、複数のマイクロセルと、
各マイクロセルの前記開口部を覆っている多孔性拡散層と、
電場源または磁場源と
を備えている、活性分子送達システム。 - 前記多孔性拡散層に隣接した接着層をさらに備えている、請求項1に記載の活性分子送達システム。
- 前記マイクロセルは、活性分子と荷電粒子との混合物を含み、前記荷電粒子は、前記電場源を伴う前記マイクロセルの中で移動可能である、請求項1に記載の活性分子送達システム。
- 前記荷電粒子は、荷電コア粒子と、前記コア粒子を包囲しているポリマー層とを備えている、請求項3に記載の活性分子送達システム。
- 前記混合物は、複数の電荷制御剤をさらに含む、請求項3に記載の活性分子送達システム。
- 前記荷電粒子が前記多孔性拡散層に隣接しているとき、前記荷電粒子は、前記多孔性拡散層を横断した前記活性分子の拡散を限定する、請求項3に記載の活性分子送達システム。
- 前記電場源は、第1の電極と、第2の電極とを備え、前記活性分子と荷電粒子との混合物は、前記第1の電極と第2の電極との間に挟まれている、請求項3に記載の活性分子送達システム。
- 前記第1の電極または前記第2の電極は、電極のアクティブマトリクスの一部である、請求項7に記載の活性分子送達システム。
- 前記第1の電極または前記第2の電極は、多孔性である、請求項7に記載の活性分子送達システム。
- 前記マイクロセルは、活性分子と磁性粒子との混合物を含み、前記磁性粒子は、前記磁場源を伴う前記マイクロセルの中で移動可能である、請求項1に記載の活性分子送達システム。
- 前記磁性粒子は、磁性コア粒子と、前記コア粒子を包囲しているポリマー層とを備えている、請求項10に記載の活性分子送達システム。
- 前記磁性粒子が前記多孔性拡散層に隣接しているとき、前記磁性粒子は、前記多孔性拡散層を横断した前記活性分子の拡散を限定する、請求項10に記載の活性分子送達システム。
- 前記磁場源は、電磁石である、請求項10に記載の活性分子送達システム。
- 前記電磁石は、電磁石のマトリクスの一部であり、前記マトリクス内の個々の電磁石は、アドレス可能である、請求項13に記載の活性分子送達システム。
- 前記多孔性拡散層は、アクリレート、メタクリレート、ポリカーボネート、ポリビニルアルコール、セルロース、ポリ(N−イソプロピルアクリルアミド)(PNIPAAm)、乳酸グリコール酸共重合体(PLGA)、ポリ塩化ビニリデン、アクリロニトリル、非結晶性ナイロン、配向ポリエステル、テレフタレート、ポリ塩化ビニル、ポリエチレン、ポリプロピレン、またはポリスチレンを備えている、請求項1に記載の活性分子送達システム。
- 前記活性分子と荷電粒子との混合物または前記活性分子と磁性粒子との混合物は、生体適合性非極性液体中に分散させられている、請求項1に記載の活性分子送達システム。
- 前記生体適合性非極性液体は、植物油、果実油、または堅果油である、請求項16に記載の活性分子送達システム。
- 前記活性分子と荷電粒子との混合物または前記活性分子と磁性粒子との混合物は、水性液体中に分散させられている、請求項1に記載の活性分子送達システム。
- 前記活性分子は、医薬化合物である、請求項1に記載の活性分子送達システム。
- 前記複数のマイクロセルは、第1の活性分子の混合物を含む第1のマイクロセルと、第2の活性分子の混合物を含む第2のマイクロセルとを備えている、請求項1に記載の活性分子送達システム。
- 前記複数のマイクロセルは、第1の濃度の活性分子を含む第1のマイクロセルと、第2の濃度の活性分子を含む第2のマイクロセルとを備えている、請求項1に記載の活性分子送達システム。
- 前記複数のマイクロセルは、活性分子の混合物を含む第1のマイクロセルと、補助剤を含む第2のマイクロセルとを備えている、請求項1に記載の活性分子送達システム。
- 前記複数のマイクロセルの各々は、100nLを上回る容積を有する、請求項1に記載の活性分子送達システム。
- 前記多孔性拡散層は、10nm〜100μmの平均細孔サイズを有する、請求項1に記載の活性分子送達システム。
- 前記多孔性拡散層は、異なるタイプの活性分子をさらに含む、請求項1に記載の活性分子送達システム。
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US10646454B2 (en) | 2020-05-12 |
KR20190107191A (ko) | 2019-09-18 |
EP3600262A4 (en) | 2020-09-16 |
KR102366628B1 (ko) | 2022-02-22 |
TWI670089B (zh) | 2019-09-01 |
US20180271799A1 (en) | 2018-09-27 |
JP6832456B2 (ja) | 2021-02-24 |
WO2018175829A1 (en) | 2018-09-27 |
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