JP2017506208A - 注射組成物 - Google Patents
注射組成物 Download PDFInfo
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- JP2017506208A JP2017506208A JP2016521963A JP2016521963A JP2017506208A JP 2017506208 A JP2017506208 A JP 2017506208A JP 2016521963 A JP2016521963 A JP 2016521963A JP 2016521963 A JP2016521963 A JP 2016521963A JP 2017506208 A JP2017506208 A JP 2017506208A
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Abstract
Description
本願に関連して使用される多糖類は、例えば5kDa以下〜20,000kDa以上の範囲、例えば5kDa〜10kDa〜25kDa〜50kDa〜75kDa〜100kDa〜250kDa〜500kDa〜750kDa〜1,000kDa〜2,500kDa〜5,000kDa〜7,500kDa〜10,000kDa〜15,000kDa〜20,000kDaの範囲(すなわち、前出の数値の何れか二つの間の範囲)にわたる様々な分子量とすることができる。
高いポリマー濃度を有する溶液は、注射部位において損傷を生じやすいということが本発明者により指摘されている。理論に束縛されるものではないが、カルボキシメチルセルロースナトリウム(SCMC)、ヒアルロン酸ナトリウム(SH)、及びアルギン酸ナトリウム(SA)等のナトリウムイオンを有する親水コロイドの注入は、張力下の組織において組織層の損傷を引き起こすと考えられており、さらに、そのような損傷のメカニズムは、注射組成物と組織との間におけるナトリウムイオンを含むイオンの不均衡にあることが理論化されている。
図4に示すように、適切な切除部材65(例えばスネア、ナイフ、生検鉗子、はさみ等)を有する適切な内視鏡的切除装置60は、粘膜組織層10から病変組織15を除去するために使用することができる。装置60は当該技術分野で公知の任意の適切な手段で、例えば内視鏡の管腔を通して組織部位に送達することができる。注入材料55は、処置を通して安定した三次元形状を維持することができる。
図6〜7は粘膜組織層10、粘膜下組織層20、及び固有筋層25を示す消化管の部分概略断面図であり、本願の別の実施形態に従って粘膜組織層10及び粘膜下組織層の一部(図6参照)に見られる病変組織15について流体支援内視鏡的粘膜切除術を行うための注射装置及び方法を示す。
(a)本明細書に記載された(例えば一つ以上の前処置された注射器中に提供されて)患者の組織に注入する準備のできた注射組成物
(b)一つ以上の注射針(例えば内視鏡用注射針)
(c)一つ以上の組織切除装置(例えばスネア、ナイフ、はさみ)
(d)一つ以上の組織回収装置(例えばネット、バスケット、キャップ等)
(e)組織注入機能及び組織切除機能を有する装置(例えばスネアが組み合わせられた針)、組織切除機能及び組織回収機能を有する装置(例えばネット、バスケット、又はキャップが組み合わせられたスネア)、あるいは、組織注入機能、組織切除機能、及び組織回収機能を有する装置(例えばスネアと、ネット、バスケット、又はキャップとが組み合わせられた針)等の一つ以上の組み合わせ装置
(f)内視鏡
(g)一つ以上の閉鎖装置(例えば内視鏡クリップ)
(h)適切な梱包材
(i)キット内のアイテムの使用方法に関する指示及び蓄積情報の少なくとも一方が印刷された部材
実施例1
1×106Da〜3×106Da、より好ましくは1.5×106Da〜2.0×106Daの範囲にわたる分子量を有するヒアルロン酸ナトリウム塩、例えば(シグマ社から入手可能な)約1.78×106Daの分子量を有するヒアルロン酸ナトリウム塩は注射組成物を生成するため、0.15質量%まで、例えば0.1質量%〜0.15質量%、好ましくは0.12質量%〜0.15質量%、より好ましくは0.14質量%〜0.15質量%の範囲にわたるHA濃度で水に混合される。注射組成物は、内視鏡用針(例えば、アメリカ合衆国マサチューセッツ州ネイティックにあるボストン・サイエンティフィック社のINTERJECT(登録商標)硬化治療用針)を通して注射器(例えば標準の10cc(cm3)の注射器)から哺乳動物の組織内に注入するのに適している。組織内に注入されると、ブレブが生じ、切除に十分な時間にわたって維持される。理論に束縛されるものではないが、送達手段によって課される人間工学的力の制約を超え得る濃度限界を超えることなく、効果的にブレブを生じさせ、組織の切除を可能にするのに十分な濃度となる時に、組成物は有益であると考えられている。
0.5×106Da〜1.0×106Daの範囲内、例えば(ベルギー国ヘールにあるアクロス・オーガニクス社から入手可能な)約0.7×106Daの分子量を有するカルボキシメチルセルロースナトリウム(SCMC)は注射組成物を生成するため、0.1質量%〜0.25質量%の範囲にわたるSCMC濃度で水に混合される。注射組成物は、内視鏡用針(例えば、アメリカ合衆国マサチューセッツ州ネイティックにあるボストン・サイエンティフィック社のINTERJECT(登録商標)硬化治療用針)を通して注射器(例えば標準の10cc(cm3)の注射器)から哺乳動物の組織内に注入するのに適している。組織内に注入されると、ブレブが生じ、切除に十分な時間にわたって維持される。理論に束縛されるものではないが、送達手段によって課される人間工学的力の制約を超え得る濃度限界を超えることなく、効果的にブレブを生じさせ、組織の切除を可能にするのに十分な濃度となる時に、組成物は有益であると考えられている。
(シグマ社から入手可能な)1×106Da〜50×106Daの間の分子量を有するキサンタンガムは注射組成物を生成するため、0.1質量%〜0.8質量%、好ましくは0.2質量%〜0.4質量%の範囲にわたるガム濃度で水に混合される。注射組成物は、内視鏡用針(例えば、アメリカ合衆国マサチューセッツ州ネイティックにあるボストン・サイエンティフィック社のINTERJECT(登録商標)硬化治療用針)を通して注射器(例えば標準の10cc(cm3)の注射器)から哺乳動物の組織内に注入するのに適している。組織内に注入されると、ブレブが生じ、切除に十分な時間にわたって維持される。理論に束縛されるものではないが、送達手段によって課される人間工学的力の制約を超え得る濃度限界を超えることなく、効果的にブレブを生じさせ、組織の切除を可能にするのに十分な濃度となる時に、組成物は有益であると考えられている。
Claims (10)
- 水及び多糖類を含む注射可能な組成物において、前記組成物の粘度は100cps(mPa・s)〜5,000cps(mPa・s)の範囲内であり、前記組成物は滅菌組成物である組成物。
- 請求項1に記載の組成物において、150mmol/L以下、あるいは100mmol/L〜120mmol/Lの範囲内の濃度でナトリウムを含む組成物。
- 請求項1に記載の組成物において、前記組成物のモル浸透圧濃度は310mOsm/L(ミリオスモル/リッター)以下である組成物。
- 請求項1に記載の組成物において、前記多糖類は0.1質量%〜0.5質量%の範囲内の量で前記組成物中に存在する組成物。
- 請求項1に記載の組成物において、(a)前記多糖類はヒアルロン酸ナトリウム塩であり、(b)前記ヒアルロン酸ナトリウム塩の粘度は100cps(mPa・s)〜5,000cps(mPa・s)の範囲内であるか、前記ヒアルロン酸ナトリウム塩の濃度は0.1質量%〜0.15質量%の範囲内であるか、前記ヒアルロン酸ナトリウム塩の分子量は1×106Da〜3×106Daの範囲内であるか、あるいは、前記ヒアルロン酸ナトリウム塩は前述の特性の内の二つ又は三つ全てを有する組成物。
- 請求項1に記載の組成物において、(a)前記多糖類はカルボキシメチルセルロースナトリウムであり、(b)前記カルボキシメチルセルロースナトリウムの粘度は100cps(mPa・s)〜5,000cps(mPa・s)の範囲内であるか、前記カルボキシメチルセルロースナトリウムの濃度は0.1質量%〜0.25質量%の範囲内であるか、前記カルボキシメチルセルロースナトリウムの分子量は0.5×106Da〜1.0×106Daの範囲内であるか、あるいは、前記カルボキシメチルセルロースナトリウムは前述の特性の内の二つ又は三つ全てを有する組成物。
- 請求項1に記載の組成物において、(a)前記多糖類はキサンタンガムであり、(b)前記キサンタンガムの粘度は100cps(mPa・s)〜5,000cps(mPa・s)の範囲内であるか、前記キサンタンガムの濃度は0.2質量%〜0.4質量%の範囲内であるか、あるいは、前記キサンタンガムは前述の特性の両方を有する組成物。
- 請求項1に記載の組成物において、染料をさらに含む組成物。
- 請求項1に記載の注射可能な組成物が充填された注射器。
- 請求項15に記載の注射器を含むキットにおいて、(a)内視鏡用注射針、(b)組織切除装置、(c)組織回収装置、及び(d)内視鏡の内から選択された一つ以上のアイテムを適切な梱包材内に含むキット。
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US201361887727P | 2013-10-07 | 2013-10-07 | |
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PCT/US2014/059437 WO2015054208A1 (en) | 2013-09-13 | 2014-10-07 | Injectable compositions |
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---|---|---|---|---|
KR101884467B1 (ko) * | 2017-06-12 | 2018-08-02 | 한국맥널티 주식회사 | 알긴산 또는 그 약학적으로 허용되는 염과 콜로이드성 다당류를 함유하는 액상 조성물 |
JP2022066358A (ja) * | 2018-02-09 | 2022-04-28 | ボストン サイエンティフィック サイムド,インコーポレイテッド | ゲル組成物、並びに、その調製方法及び使用方法 |
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CN113730605A (zh) | 2016-07-21 | 2021-12-03 | 波士顿科学国际有限公司 | 可注射组合物 |
US20190380761A1 (en) * | 2017-02-28 | 2019-12-19 | University Of Florida Research Foundation, Inc. | Controlling esophageal temperature during cardiac ablation |
WO2019008210A2 (es) * | 2017-07-04 | 2019-01-10 | Universidad De Granada | Micropartículas que comprenden una composición para la resección endoscópica |
CN107595332B (zh) * | 2017-09-28 | 2020-11-03 | 华中科技大学鄂州工业技术研究院 | 一种注射用内窥镜 |
US11679076B2 (en) * | 2020-08-06 | 2023-06-20 | T-ACE Medical Co., Ltd. | Composition for submucosal injection and preparation method thereof |
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KR101884467B1 (ko) * | 2017-06-12 | 2018-08-02 | 한국맥널티 주식회사 | 알긴산 또는 그 약학적으로 허용되는 염과 콜로이드성 다당류를 함유하는 액상 조성물 |
WO2018230915A1 (ko) * | 2017-06-12 | 2018-12-20 | 한국맥널티 주식회사 | 알긴산 또는 그 약학적으로 허용되는 염과 콜로이드성 다당류를 함유하는 액상 조성물 |
JP2020523059A (ja) * | 2017-06-12 | 2020-08-06 | コリア マックナルティーズ カンパニー,リミテッド | アルギン酸又はその薬学的に許容される塩及びコロイド性多糖類を含有する液状組成物 |
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JP2022066358A (ja) * | 2018-02-09 | 2022-04-28 | ボストン サイエンティフィック サイムド,インコーポレイテッド | ゲル組成物、並びに、その調製方法及び使用方法 |
DE112022002225T5 (de) | 2021-06-16 | 2024-03-28 | Fujifilm Corporation | Endoskopisches submukosales injektionsmaterial |
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US20170119661A1 (en) | 2017-05-04 |
CN106456789A (zh) | 2017-02-22 |
EP3096793A1 (en) | 2016-11-30 |
US20150099928A1 (en) | 2015-04-09 |
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