JP2019509122A - 眼科用送達装置および眼科用薬物組成物 - Google Patents
眼科用送達装置および眼科用薬物組成物 Download PDFInfo
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Abstract
Description
本発明の一実施態様に係る装置は、柔軟性のあるカニューレを、眼の上脈絡膜腔内または上毛様体腔内に展開するように作製した。筒要素は、0.5 mLインスリンシリンジの近位末端を、30 mmの筒長まで切断することにより作製した。一体化された針を筒から取り外し、標準的なルアーハブ針の取り付けを可能にした。筒の先端は、ルアーハブ針を確実に保持することができるルアーテーパーの残存部分を残して切断した。筒端キャップは、4.5 mmのねじ長を有するナイロン10-32穴付きねじから作製した。直径1.86 mmの貫通穴を、筒端キャップを通して穿穴し、プランジャーが筒端キャップを自由に摺動できるようにした。プランジャーシャフトは、外径1.8 mmおよび内径0.8 mmならびに長さ43 mmの筒状のテフロンコーティングしたステンレス鋼ロッドから作製した。シャフトの遠位末端は、直径1.74 mmへと細くし、外径4.1 mmおよび内径1.70 mmならびに厚さ0.5 mmのステンレス鋼製ワッシャーをロッドに圧入して、プランジャースプリングのための末端止め具を与えた。ロッドの近位末端は、直径1.55 mmまで穿穴した。外径3.1 mmおよびワイヤ直径0.18 mmならびに長さ31.8 mmの圧縮スプリングを、プランジャーシャフト上に配置した後、筒端キャップを、スプリングの近位にあるプランジャーシャフト上に滑り込ませた。プランジャーアセンブリは、筒筐体内に配置し、端末キャップは、筒内でプランジャーアセンブリを固定する筒近位末端内に圧入した。
本発明の一実施態様に係る装置を作製した。装置は、カニューレ要素、末端シールを有する針、カニューレ支持要素、力要素および筺体本体を備えた。
組織接点は、実施例1に記載した方法と同様の方法で作製した。外径が直径1.75 mmおよび直径2.50 mmと異なる、2種の組織接点を作製した。それぞれの直径の組織接点のサンプルは、ショア10A、30A、50Aおよび70Aの4種の異なるデュロメータの液体シリコーンエラストマーを用いて作製した。
半固体薬物組成物を製造した。平均分子量700万ダルトンのポリエチレンオキシド(PolyOx(登録商標)、WSR-301)を、1.5重量%で脱イオン水に分散させた。平均直径2ミクロンのデキサメタゾン結晶を、ポリエチレンオキシド分散液中に8重量%の濃度で混合した。半固体組成物は、分散したデキサメタゾン結晶のために不透明であった。
Claims (62)
- 遠位末端に中空針を有する細長状体;
非侵襲性先端を有する細長管状要素を備えるカニューレであって、管状要素の少なくとも一部が、展開前に針管腔に含まれるカニューレ;
針管腔を通って管状要素を前進させるための展開力を付与する力要素;
力要素と管状要素との機械的連結要素;
活性成分含有組成物を送達するための、管状要素の近位末端に連通する連結器または注入ポート;および、
針の先端の眼内への配置前または配置と同時に作動する力要素機構;
を備える、活性成分含有組成物を眼に投与するための挿管装置であって、
力要素からの展開力が、管状要素を、針の遠位末端から上脈絡膜腔または上毛様体腔へ前進させる役割を果たす;
挿管装置。 - 遠位末端に中空針を有する細長状体;
非侵襲性先端を有する細長管状要素を備えるカニューレであって、針管腔が、管状要素の少なくとも一部のための容器としての役割を果たす、カニューレ;
針管腔を通って管状要素を前進させるための展開力を付与する力要素;
力要素と管状要素との機械的連結要素;
管状要素の近位末端に連通して、投与用の活性成分含有組成物を含む容器;および、
針の先端の眼内への配置前または配置と同時に作動する力要素機構;
を備える、活性成分含有組成物を眼に投与するための挿管装置であって、
力要素からの展開力が、管状要素を、針の遠位末端から上脈絡膜腔または上毛様体腔へ前進させる役割を果たす;
挿管装置。 - 装置の遠位末端に遠位要素をさらに取り付けた、請求項1または2に記載の装置であって、
展開力下であっても、針から抜ける管状要素の前進から、管腔を密閉または封鎖し;
末端要素は末端シールを備え、末端シールは組織接点としての機能を果たし、また、末端シールは装置の遠位末端による眼表面の加圧により針先端により貫通され;
貫通された末端要素は針の上を摺動可能となり、針を組織内に前進させ;および、
貫通された末端シールは、針の先端からの管状要素の前進経路を開く;
装置。 - 針が、投与用物質を針の長軸から斜めに方向づけるための湾曲した先端を備える、請求項1〜3のいずれか1項に記載の装置。
- 投与用物質を針の長軸から斜めに方向づけるために、針が、針斜角において針管腔に内部偏向要素を備える、請求項1〜4のいずれか1項に記載の装置。
- 末端シールが、展開力下で管状要素の展開を防止するのに十分で、針の遠位末端で管腔内に伸びる変形可能な突起、または、遠位末端から管腔の末端突起内に伸びる変形可能な突起を備える、請求項3〜5のいずれか1項に記載の装置。
- 装置本体と末端要素との間に折り畳み可能要素をさらに備える、請求項3〜6のいずれか1項に記載の装置であって、折り畳み可能要素が、展開力による末端要素の遠位移動を防止するように構成される、装置。
- 折り畳み可能要素が、細長い支柱を備える、請求項7に記載の装置。
- 折り畳み可能要素が、ニチノールまたはポリイミドを含む、請求項7に記載の装置。
- 針の先端が末端シールを貫通中に、折り畳み可能要素が、末端要素に前方に向けられた力を付与するように構成される、請求項7〜9のいずれか1項に記載の装置。
- 前方に向けられた力が、40〜82グラム力の範囲にある、請求項10に記載の装置。
- 折り畳み可能要素が、最初の力の後に一定の力を付与するように構成された、請求項10に記載の装置であって、最初の力が、末端要素が針に沿って近位に最初に0.5 mm移動する間に加えられる、装置。
- 装置本体と末端要素との間に第二の力要素をさらに備える、請求項10〜12のいずれか1項に記載の装置であって、第二の力要素が、針の先端が末端シールを貫通中に、末端要素に前方に向けられた力を付与するように構成された、装置。
- 末端シールが組織接点としての機能を果たす、請求項3〜13のいずれか1項に記載の装置であって、末端シールが10〜30ショアAの硬度のエラストマーを含む、装置。
- 末端シールが、管状の末端筺体に取り付けられた、請求項3〜14のいずれか1項に記載の装置。
- 力要素が、プランジャーに機械的に連結されたスプリングである、請求項1〜15のいずれか1項に記載の装置。
- 力要素が加圧ガスである、請求項1〜16のいずれか1項に記載の装置。
- カニューレの展開速度を制限する制動機構をさらに備える、請求項1〜17のいずれか1項に記載の装置。
- 展開力が、装置の外部から力要素を圧縮する機能により作動される、請求項1〜18のいずれか1項に記載の挿管装置。
- 使用前は、力要素が束縛されており、束縛された力要素を機械的に解放することにより、展開力が作動する、請求項1〜19のいずれか1項に記載の挿管装置。
- 針の有効全長が1〜4 mmであり、上脈絡膜腔または上毛様体腔に活性成分含有組成物を投与するための、請求項1〜20のいずれか1項に記載の挿管装置。
- 針の有効全長が10〜15 mmであり、硝子体腔に活性成分含有組成物を投与するための、請求項1〜21のいずれか1項に記載の挿管装置。
- 針の有効全長が0.35〜2 mmであり、結膜下腔に活性成分含有組成物を投与するための、請求項1〜22のいずれか1項に記載の送達装置。
- 投与用物質をさらに備える請求項2に記載の装置であって、投与用物質が液体または半固体である、装置。
- 遠位末端に中空針を有する細長状体;
針を通って展開される管状要素;
管状要素に、前方に向けられた力を加える力要素;
力要素を作動させるアクチュエータ;
細長状体から管状要素の近位管腔への液体通路;および
管状要素の送達から針管腔を密閉する、装置の遠位末端に取り付けた末端要素;
を備える、挿管装置であって、
末端要素は、組織接点および末端シールを備え、末端シールは、装置の遠位末端で組織表面に圧力を加えることにより、針の先端により貫通され;
貫通された末端要素は針の上を摺動可能となり、針を組織内に前進させ;および、
貫通された末端シールは、針の遠位末端からの管状要素の送達のための経路を開く;
挿管装置。 - 管状要素を針の長軸から眼の後方領域に向けて斜めに方向づけるために、針が湾曲した先端を備える、請求項25に記載の装置。
- 管状要素を針の長軸から眼の後方領域に向けて斜めに方向づけるために、針が針斜角において針管腔に内部偏向要素を備える、請求項25に記載の装置。
- 管状要素の近位管腔への液体通路を与えるために、細長状体に連結器または注入ポートをさらに備える、請求項25〜27のいずれか1項に記載の装置。
- 細長状体の内部に液体容器を、および、液体容器から管状要素の近位管腔への液体通路をさらに備える、請求項25〜27のいずれか1項に記載の装置。
- 請求項3〜29のいずれか1項に記載の挿管装置の力要素を作動させて、カニューレに展開力を付与し、眼表面に装置の末端シールを配置し、末端シールを通って装置の針を前進させて、針の先端からの流路を開き、カニューレが展開されるまで針を組織に前進させ、空間に物質を送達することを含む、上脈絡膜腔または上毛様体腔への液体または半固体物質の投与による、眼疾患または眼症状の治療方法。
- 請求項3に記載の挿管装置を物質で充填し、前記挿管装置の力要素を作動させてカニューレに展開力を付与し、装置の組織接点を眼表面に配置し、末端シールを通って装置の針を前進させて、針の先端からのカニューレの送達経路を開き、カニューレが展開されるまで針を組織内に前進させ、空間に物質を送達することを含む、上脈絡膜腔または上毛様体腔への固体または半固体物質の注入による、眼疾患または眼症状の治療方法。
- 請求項3〜29のいずれか1項に記載の装置を用いる、上脈絡膜腔または上毛様体腔への物質の注入方法であって、装置先端の組織への導入前に、カニューレが力要素により展開力を受け、ここで、末端シールを通って針を前進させて、先端からカニューレを送達するための経路を開き、それによって、挿管装置の本体上の弁または引き金による注入作動なく、装置の片手操作を可能にする、方法。
- 投与用物質が、ステロイド、非ステロイド性抗炎症薬、抗生物質、VEGF阻害剤、抗TNFα剤、mTOR阻害剤、細胞治療剤、抗高血圧薬、抗ヒスタミン薬、アミノステロール類、神経保護薬または核酸に基づく治療薬を含有する、請求項30〜32のいずれか1項に記載の方法。
- 眼疾患または眼症状が、炎症、感染、黄斑変性、網膜変性、血管新生、増殖性硝子体網膜症、緑内障および浮腫を含む、請求項30〜32のいずれか1項に記載の方法。
- 薬物組成物が、請求項1〜29のいずれか1項に記載の装置による上脈絡膜腔または上毛様体腔への送達用であり、前記薬物組成物は、上脈絡膜腔または上毛様体腔への半固体投与用物質を含む、眼疾患または眼症状の治療方法における使用のための前記薬物組成物であって、
半固体物質は活性成分を含有し;
半固体物質は注入圧力下で流動し;
半固体物質は、注入の間および注入直後には、注入部位に局在したままであり;
半固体物質は、注入後溶解し、上脈絡膜腔内を移動する;
組成物。 - 前記半固体物質が、投与後、上脈絡膜腔内または上毛様体腔内で、溶解、生分解または生体内分解を受ける賦形剤を含む、請求項35に記載の薬物組成物。
- 賦形剤が、水溶性ポリマー、生分解性または生体内分解性物質、両親媒性化合物、脂質、脂肪酸または複合脂質を含む、請求項36に記載の薬物組成物。
- 賦形剤が水溶性ポリマーを含み、水溶性ポリマーが、ポリビニルピロリドン、ポリビニルピロリドン-co-酢酸ビニル、ポリビニルアルコール、化学修飾セルロース、アルギン酸塩、ポリエチレングリコール、ポリエチレンオキシド、ヒアルロン酸、コンドロイチン硫酸、デルマタン硫酸またはアルギン酸ナトリウムである、請求項37に記載の組成物。
- 薬物が、結晶または粒子の形態にある、請求項35に記載の薬物組成物。
- 粒子が、少なくとも1種のポリマーを含む微小球である、請求項39に記載の薬物組成物。
- ポリマーが、非毒性水溶性ポリマー、生分解性ポリマーおよび/または生体高分子を含む、請求項40に記載の組成物。
- ポリマーが非毒性水溶性ポリマーを含み、水溶性ポリマーが、ポリビニルピロリドン、ポリビニルピロリドン-co-酢酸ビニル、ポリビニルアルコール、ポリエチレングリコールおよび/またはポリエチレンオキシドである、請求項41に記載の組成物。
- ポリマーが生分解性ポリマーを含み、生分解性ポリマーが、ポリヒドロキシ酪酸、ポリジオキサノン、ポリオルトエステル、ポリカプロラクトン、ポリカプロラクトン共重合体、ポリカプロラクトン−ポリエチレングリコール共重合体、ポリ乳酸、ポリグリコール酸、ポリ乳酸−グリコール酸共重合体および/またはポリ乳酸−グリコール酸−エチレンオキシド共重合体である、請求項41に記載の組成物。
- ポリマーが生体高分子を含み、生体高分子が、ゼラチン、コラーゲン、グリコサミノグリカン、セルロース、化学修飾セルロース、デキストラン、アルギン酸塩、キチンおよび/または化学修飾キチンである、請求項41に記載の組成物。
- 粒子が、10〜90重量%の薬物を含有する、請求項39または40に記載の組成物。
- 粒子が、外面保護コーティングされた薬物の核を含む、請求項39または40に記載の組成物。
- 保護コーティングが、薬物より小さな分配係数または薬物より高い水溶性を有する、請求項46に記載の組成物。
- 表面保護コーティングが、非毒性水溶性ポリマー、生分解性ポリマーおよび/または生体物質を含む、請求項46または47に記載の組成物。
- 表面保護コーティングが非毒性水溶性ポリマーを含み、非毒性水溶性ポリマーが、ポリビニルピロリドン、ポリビニルピロリドン-co-酢酸ビニル、ポリビニルアルコール、ポリエチレングリコールおよび/またはポリエチレンオキシドである、請求項48に記載の組成物。
- 表面保護コーティングが生分解性ポリマーを含み、生分解性ポリマーが、ポリヒドロキシ酪酸、ポリジオキサノン、ポリオルトエステル、ポリカプロラクトン、ポリカプロラクトン共重合体、ポリカプロラクトン−ポリエチレングリコール共重合体、ポリ乳酸、ポリグリコール酸、ポリ乳酸−グリコール酸共重合体、酸終止ポリ乳酸−グリコール酸共重合体および/またはポリ乳酸−グリコール酸−エチレンオキシド共重合体である、請求項48に記載の組成物。
- 表面保護コーティングが生体物質を含み、生体物質が、ゼラチン、コラーゲン、グリコサミノグリカン、セルロース、化学修飾セルロース、デキストラン、アルギン酸塩、キチン、化学修飾キチン、脂質、脂肪酸および/またはステロールである、請求項48に記載の組成物。
- 保護コーティングが、薬物より大きな分配係数または薬物より低い水溶性を有する、請求項46に記載の組成物。
- 保護コーティングが、疎水性ポリマー、脂質、脂肪酸および/またはステロールを含む、請求項52に記載の組成物。
- 脂質または脂肪酸が、カプリン酸、エルカ酸、1,2-ジネルボノイル-sn-グリセロ-3-ホスホコリン、1,2-ジミリストイル-sn-グリセロ-3-ホスホコリンまたは1,2-ジペンタデカノイル-sn-グリセロ-3-ホスホコリンを含む、請求項53に記載の組成物。
- 薬物が、ステロイド、非ステロイド性抗炎症薬、VEGF阻害剤、抗TNFα剤、mTOR阻害剤、細胞治療剤、核酸に基づく治療薬および/または神経保護薬である、請求項35〜54のいずれか1項に記載の組成物。
- ステロイドが、デキサメタゾン、フルオシノロン、ロテプレドノール、ジフルプレドナート、フルオロメトロン、プレドニゾロン、メドリゾン、トリアムシノロン、ベタメタゾンまたはリメキソロンを含む、請求項55に記載の組成物。
- 非ステロイド性抗炎症薬が、ブロムフェナク、ジクロフェナク、フルルビプロフェン、ケトロラクトロメタミンまたはネパフェナクを含む、請求項55に記載の組成物。
- 抗TNFα剤が、インフリキシマブ、エタネルセプト、アダリムマブ、セルトリズマブまたはゴリムマブを含む、請求項55に記載の組成物。
- mTOR阻害剤が、シロリムス、エベロリムス、テムシロリムスまたはmTORキナーゼ阻害剤を含む、請求項55に記載の組成物。
- 細胞治療剤が、間葉系細胞または治療化合物を産生するように遺伝子導入された細胞を含む、請求項55に記載の組成物。
- 神経保護薬が、抗酸化剤、カルシニューリン阻害剤、NOS阻害剤、シグマ−1修飾因子、AMPA拮抗薬、カルシウムチャネル遮断薬またはヒストン脱アセチル化酵素阻害薬を含む、請求項55に記載の組成物。
- 核酸に基づく治療薬が、遺伝子ベクター、プラスミド、ガイドRNAまたはsiRNAである、請求項55に記載の組成物。
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CN109640899B (zh) | 2022-04-08 |
KR102381775B1 (ko) | 2022-04-04 |
US20210169689A1 (en) | 2021-06-10 |
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ES2950350T3 (es) | 2023-10-09 |
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GB201913962D0 (en) | 2019-11-13 |
WO2017158366A3 (en) | 2017-11-30 |
AU2017235845B2 (en) | 2022-06-09 |
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EP3429518B1 (en) | 2023-04-26 |
GB201704205D0 (en) | 2017-05-03 |
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GB2581866A (en) | 2020-09-02 |
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GB2548988A (en) | 2017-10-04 |
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