JP7007086B2 - 粘膜下局注用コラーゲンゾル - Google Patents
粘膜下局注用コラーゲンゾル Download PDFInfo
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- JP7007086B2 JP7007086B2 JP2016224258A JP2016224258A JP7007086B2 JP 7007086 B2 JP7007086 B2 JP 7007086B2 JP 2016224258 A JP2016224258 A JP 2016224258A JP 2016224258 A JP2016224258 A JP 2016224258A JP 7007086 B2 JP7007086 B2 JP 7007086B2
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- sol
- collagen
- submucosal
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- injection
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Description
ESDでは、病変の周辺に切除範囲をマーキングした後、EMRと同様に液体の粘膜下局注を行い、切除する病変を隆起させる。その後、ESD専用ナイフを用いて、病変を含む粘膜層を粘膜下層から一括して剥離させ、潰瘍部の止血を行う。剥離した部位の病理組織診断により、癌等の病変が一括切除されたか否かを判定する(図2)。
[1]
0.2質量%~1.2質量%のコラーゲン、水、緩衝剤及び200mM~420mMの塩化ナトリウムを含有する、粘膜下局注用ゾル。
[2]
さらに、40mg/L~1400mg/Lのゲニピン又はゲニピン誘導体を含む、[1]に記載の粘膜下局注用ゾル。
[3]
pHが6.0~9.0であり、緩衝剤としてリン酸塩を含む、[1]に記載のゾル。
[4]
40mg/L~1400mg/Lのゲニピン若しくはゲニピン誘導体及び220mM~310mMの塩化ナトリウムを含有し、粘膜下に局注された場合にゲル化して膨隆を形成する、[1]~[3]のいずれかに記載のゾル。
[5]
[1]~[4]のいずれかに記載のゾルを局注する手段を備える、内視鏡的粘膜切除術用又は内視鏡的粘膜下層剥離術用内視鏡システム。
[6]
コラーゲン、塩化ナトリウム及び緩衝剤を含む、[1]~[4]のいずれかに記載のゾルを形成するためのキット。
一方、ゲル化後のゲルが粘膜下層と一体化するという観点からは、コラーゲン濃度が低いゾルが望ましい。ゾルの粘度が高すぎると、粘膜下層へのゾルの浸入性が悪くなり、ゾルが層間(例えば、粘膜層/粘膜下層、粘膜下層/筋層の層間)へと優先的に送り込まれて一体化せずにゲル化してしまうことがある。ゲルが粘膜下層と一体化しない場合、粘膜下層まで浸潤した病変除去が困難になる場合がある。また、局注は、通常細管(カテーテルや注射針等)を経由して行われるという観点からも、コラーゲン濃度が低いゾルが望ましい。細管の径や長さにも依存するが、コラーゲン濃度が高くなるにつれてゾルの粘度が高くなり、押し出し抵抗が増加し、投与が困難になることがある。
以上の観点から、本実施形態のゾルにおいて、コラーゲンの濃度はゾルの全量を基準として、0.2質量%~1.2質量%であり、0.3質量%~1.1質量%であると好ましく、0.4質量%~1.0質量%であるとより好ましい。
これらの緩衝剤のうち、リン酸塩及びこれを含むNPBが特に好ましく用いられる。リン酸塩は、コラーゲンの線維化が活発に生じるpH6~9での緩衝能に優れ,リン酸緩衝生理食塩水など細胞洗浄液にも含まれるように生体への安全性が確認されているという利点がある。
pH緩衝効果を十分に発揮する観点から、緩衝剤濃度を5mM以上とすることができる。一方、緩衝剤濃度が高くなると、調剤前に緩衝液中の塩が析出する場合、あるいはイオン強度が高くなりすぎてゾル使用時に組織障害性を惹起する場合があるため、緩衝剤濃度を140mM以下とすることができる。緩衝剤濃度は、10mM超120mM未満であると好ましく、例えば20mM~110mMとすることができ、30mM~100mMであるとより好ましい。緩衝剤濃度をこのような範囲にすることにより、ゾルのpHを6.0~9.0の範囲内に維持することが容易になり、局注時のゾルの流動性を保持しながら局注後は体温に応答して速やかにゲル化して膨隆を形成するという本実施形態のゾルの効果を発揮しつつ、塩の析出や組織障害性を抑えることが可能となる。
隆起高の維持率は、後述の実施例及び図3に示すとおり、局注直後の隆起高の初期高(h0)と、所定時間(t)後の隆起高(ht)から、以下の式を用いて算出することができる。
隆起高維持率(%)=ht/h0 × 100
なお、出血の程度や、病変の数によって、必要な隆起高維持率は異なるが、一般に出血がひどくない場合、単一病変に対するESDは、粘膜下局注剤の局注から止血処置まで60分以内に終わることが多く、局注から60分後の隆起高維持率は、粘膜下局注剤の一つの評価基準となり得る。一態様において、本実施形態のゾルは、局注から60分後の隆起高維持率が70%以上であることが好ましく、80%以上であることがより好ましく、90%以上であることが特に好ましい。
また、隆起高維持率に関連して、隆起高の減少が停止することも望ましい。一態様において、本実施形態のゾルは、統計的に有意な隆起高の減少が局注45分後~60分後の間に生じないことが好ましい。
ゲルと粘膜下層とが一体化しているか否かは、当業者に公知の手法を用いて判断することができ、例えば後述の実施例及び図4に示すとおり、局注後60分経過時に組織固定を行った組織切片像において、ゲルが粘膜下層から独立して観察されるか否かにより判断することができる。
濃度1.0質量%のブタ皮膚製コラーゲン溶液(テロペプチド除去型コラーゲン、日本ハム株式会社製、コラーゲンの変性温度:40℃)をコラーゲン原液として準備した。エバポレーター(水溶温度:29℃)を用いてコラーゲン溶液を濃縮し、濃度2.4質量%のコラーゲン溶液を得た。これをpH3希塩酸で0.5%~1.5%に希釈し,15mL遠心チューブに小分けし、冷蔵庫に保管した。
ゲニピン(和光純薬工業株式会社製)を純水に溶解し、濃度24mM(5430mg/L)のゲニピン水溶液を調製した。これを純水で希釈し、異なる濃度のゲニピン水溶液を調製した。
濃度50mMのリン酸水素二ナトリウム水溶液(140mMの塩化ナトリウム含有)及び濃度50mMのリン酸二水素ナトリウム水溶液(140mMの塩化ナトリウム含有)を、純水を溶媒として調製した。これらをpHメータ(HORIBA社製、商品名「NAVIh F-71」)により測定しながら攪拌・混合し、pH7.0の140mM塩化ナトリウム含有50mMリン酸緩衝液を調整し、これを1×NPBと定義した。なお、実施例全体において、特筆しない限り、pHは上記pHメータを用いて23℃で測定した。同様の操作により10×NPB(1×NPBの各無機塩濃度が10倍のNPBを指す。以下、他の倍数のNPBについても同様。)を調製し、純水で希釈して異なる倍数のNPB(n×NPB)を調製した。
上記のようにして準備した、15mL遠心チューブに入ったコラーゲン溶液12gを、クラッシュアイスを満たした発泡スチロール容器内に静置した。チューブ内には撹拌を促進するためのマグネティックスターラー(10.8g、内径10mm×39mm)を収容した。次いで、4℃冷蔵庫内に静置したゲニピン水溶液及び室温に静置した10×NPBから所定容量をマイクロピペットで吸い上げ、コラーゲン溶液の入った遠心チューブに添加して、その遠心チューブを激しく振り混ぜて撹拌した。得られたコラーゲンゾルをブタ胃粘膜下局注実験に用いた。
購入したブタ切除胃から約50mm×50mmの試験片を切り出し、発泡スチロール板に画鋲で貼りつけ、インキュベータに静置して加温した。表面温度が36~37℃の範囲になったことを確認し、インキュベータから切除胃を取り出して、医療用注射針(23G)でコラーゲンゾルの粘膜下局注を行った。
図3に示すとおり、隆起高維持率の計測を以下の方法で実施した。局注直後の試験片を水平方向からデジタルカメラで撮影して初期の隆起高(h0)を計測した。その後すみやかに切除胃をインキュベータに戻した。所定時間(t)後に切除胃を取り出し、水平方向からデジタルカメラで撮影して隆起高(ht)を計測した。以下の式を用いて隆起高維持率を産出した。
隆起高維持率(%)=ht/h0 × 100
局注後60分までインキュベータに静置した切除胃については、隆起高計測後に4%パラホルムアルデヒド水溶液に浸漬し、4℃冷蔵庫内に一晩置いた。これを10%スクロース水溶液に浸漬し、濃度を15%、20%と順次上げてスクロース置換を行った。その後、カルボキシメチルセルロース包埋剤を用いて凍結ブロックを作製し、ミクロトームを用いて厚み20μmの組織切片を作製した。常法によりへマトキシリン-エオジン染色を施した後、正立顕微鏡(BX53、オリンパス製)により組織像を得た。
表1に示した組成のコラーゲンゾルを調製した(ゲニピン濃度4mM(=905mg/L))。このコラーゲンゾルを、ブタ胃粘膜下局注した後の組織切片像を図4に、隆起高維持率の時間変化を図5に示す。局注したコラーゲンは粘膜下層と一体化して膨隆を形成していた。また、60分後の隆起高は初期高の90%以上を維持しており、統計的に有意な減少は45分後~60分後の間に生じなかった。
出血がひどくない場合、単一病変に対するESDは、通常、粘膜下局注剤の局注から止血処置まで60分以内に終わるため、60分後の隆起高維持率は、粘膜下局注剤の一つの評価基準となり得る。
コラーゲン濃度を1.0%から0.5%に低下させた以外は実施例1と同様のコラーゲンゾルを調製し、ブタ胃粘膜下局注試験を実施した。局注した後の組織切片像を図4に、隆起高維持率の時間変化を図5に示す。局注したコラーゲンは粘膜下層と一体化して膨隆を形成していた。また、60分後の隆起高は初期高の80%以上を維持していた。
ゲニピンを含まないこと以外は実施例1と同様のコラーゲンゾルを調製し、ブタ胃粘膜下局注試験を実施した。隆起高維持率の時間変化を図6に示す。実施例1で示されたとおり粘膜下層と一体化できるコラーゲン濃度1.0%では、ゲニピンが含まれていなくても、60分後の隆起高は初期高の70%以上であり、統計的に有意な減少は45分後~60分後の間に生じなかった。
生理食塩水を用いてブタ胃粘膜下局注試験を実施した後の組織切片像を図4に、隆起高維持率の時間変化を図5に示す。粘性の低い生理食塩水は粘膜下層と一体化して膨隆を形成したが、局注後すみやかに隆起高が減少し、15分後には初期高の70%を下回り、30分後には初期高の40%未満まで減少した。
NPB濃度を1.6×NPBから1.0×NPBに低下させたこと以外は実施例3と同様のコラーゲンゾルを調製し、ブタ胃粘膜下局注試験を実施した。隆起高維持率の時間変化を図6に示す。塩化ナトリウム濃度が低下したことでコラーゲンの線維化速度が低下してゾルの拡散が促進され、60分後の隆起高は初期高の70%を下回った。
コラーゲン濃度を1.0%から1.5%に増加させたこと以外は実施例1と同様のコラーゲンゾルを調製し、ブタ胃粘膜下局注試験を実施した。局注した後の組織切片像を図4に示す。コラーゲン濃度が高くなったことで粘度が上昇し、粘膜下層との一体化が生じなくなった。このような現象が起こると、粘膜下層の膨張がほとんど生じないため、粘膜下層の剥離を容易にするという効果が得られないばかりでなく、粘膜下層まで浸潤した癌の除去には不適となる。
Claims (5)
- 0.2質量%~1.2質量%のコラーゲン、水、20mM~110mMの緩衝剤及び220mM~310mMの塩化ナトリウムを含有し、pHが6.0~9.0であり、前記コラーゲンの変性温度が37℃以上50℃以下である、粘膜下に局注された場合にゲル化して膨隆を形成する、粘膜下局注用ゾル。
- 0.5質量%~1.0質量%のコラーゲンを含有し、緩衝剤としてリン酸塩を含み、粘膜下局注後60分の膨隆維持率が局注直後の70%を超える膨隆を形成する、請求項1に記載のゾル。
- 100mg/L~1000mg/Lのゲニピンを含有する、請求項1又は2に記載のゾル。
- 請求項1~3のいずれか一項に記載のゾルを備える、内視鏡的粘膜切除術用又は内視鏡的粘膜下層剥離術用内視鏡システム。
- 前記ゾルを局注する手段を備える、請求項4に記載の内視鏡的粘膜切除術用又は内視鏡的粘膜下層剥離術用内視鏡システム。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2016224258A JP7007086B2 (ja) | 2016-11-17 | 2016-11-17 | 粘膜下局注用コラーゲンゾル |
PCT/JP2017/041244 WO2018092837A1 (ja) | 2016-11-17 | 2017-11-16 | 粘膜下局注用コラーゲンゾル |
KR1020197016710A KR102240165B1 (ko) | 2016-11-17 | 2017-11-16 | 점막하 국주용 콜라겐 졸 |
US16/461,552 US10933171B2 (en) | 2016-11-17 | 2017-11-16 | Collagen sol for submucosal local injection |
EP17871681.7A EP3542787A4 (en) | 2016-11-17 | 2017-11-16 | COLLAGEN SOL FOR SUBMUCOSAL LOCAL INJECTION |
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EP3810212A4 (en) * | 2018-06-21 | 2022-06-15 | University of Pittsburgh - of the Commonwealth System of Higher Education | USE OF AN EXTRACELLULAR MATRIX (ECM) HYDROGEL AS AN ESOPHAGEAL SUBMUCOSAL FLUID PAD |
ES2966711T3 (es) * | 2018-06-21 | 2024-04-23 | Univ Pittsburgh Commonwealth Sys Higher Education | Hidrogel de matriz extracelular (ECM) como almohadilla líquida submucosa |
CN115671410B (zh) * | 2018-06-21 | 2024-06-18 | 联邦高等教育系统匹兹堡大学 | 膀胱ecm水凝胶作为食管粘膜下层流体垫的用途 |
CN109288549B (zh) * | 2018-11-27 | 2021-03-16 | 上海安翰医疗技术有限公司 | 微创手术辅助装置及其控制方法 |
CN109939258A (zh) * | 2019-03-19 | 2019-06-28 | 振德医疗用品股份有限公司 | 一种用于切割伤的生物可降解胶水及其制造方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013133413A1 (ja) | 2012-03-09 | 2013-09-12 | 株式会社スリー・ディー・マトリックス | 粘膜隆起剤 |
JP2016077410A (ja) | 2014-10-14 | 2016-05-16 | 地方独立行政法人東京都立産業技術研究センター | コラーゲン水溶液及びそれを用いたゲルの製造方法 |
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US6545042B2 (en) * | 1996-11-05 | 2003-04-08 | Gp Medical | Acellular biological material chemically treated with genipin |
WO2002056914A1 (fr) * | 2001-01-19 | 2002-07-25 | Hironori Yamamoto | Injections destinees a une endoscopie |
EP1545505A4 (en) | 2002-08-02 | 2008-01-02 | Gp Medical | BIOLOGICAL MATERIAL CHARGED WITH CHEMICALLY TREATED MEDICINE BY GENIPINE |
US7476659B2 (en) | 2003-10-21 | 2009-01-13 | Netech, Inc. | Liquid composition for bulging mucous membrane for use in endoscopic surgery comprising a chitosan derivative containing carbohydrate chains |
DE102004057366B4 (de) * | 2004-11-27 | 2009-04-09 | Erbe Elektromedizin Gmbh | Einrichtung für ein Wasserstrahlchirurgiegerät |
US20060246033A1 (en) | 2005-03-02 | 2006-11-02 | Cook Biotech Incorporated | Injectable bulking agent compositions |
US8066689B2 (en) * | 2007-07-11 | 2011-11-29 | Apollo Endosurgery, Inc. | Methods and systems for submucosal implantation of a device for diagnosis and treatment with a therapeutic agent |
US8929988B2 (en) * | 2007-07-11 | 2015-01-06 | Apollo Endosurgery, Inc. | Methods and systems for submucosal implantation of a device for diagnosis and treatment of a body |
KR20140092813A (ko) * | 2011-11-25 | 2014-07-24 | 니혼세이야꾸가부시끼가이샤 | 점막하 팽륭제 |
JP6071468B2 (ja) | 2012-11-22 | 2017-02-01 | 地方独立行政法人東京都立産業技術研究センター | コラーゲン水溶液及びそれから得られるゲル |
ITMI20131924A1 (it) * | 2013-11-20 | 2015-05-21 | Cosmo Technologies Ltd | Emulsions or microemulsions for use in endoscopic mucosal resectioning and/or endoscopic submucosal dissection emulsioni o microemulsioni per uso nella resezione mucosale endoscopica e/o dissezione submucosale endoscopica |
JP6682202B2 (ja) | 2015-05-29 | 2020-04-15 | キヤノン株式会社 | 光走査装置及び画像形成装置 |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013133413A1 (ja) | 2012-03-09 | 2013-09-12 | 株式会社スリー・ディー・マトリックス | 粘膜隆起剤 |
JP2016077410A (ja) | 2014-10-14 | 2016-05-16 | 地方独立行政法人東京都立産業技術研究センター | コラーゲン水溶液及びそれを用いたゲルの製造方法 |
Non-Patent Citations (1)
Title |
---|
ALKAN, M. et al.,Histological response to injected gluteraldehyde cross-linked bovine collagen based implant in a rat,BMC Urology,2006年,Vol.6:3,p.1-5,ISSN 1471-2490 |
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EP3542787A1 (en) | 2019-09-25 |
EP3542787A4 (en) | 2020-07-01 |
US20190290808A1 (en) | 2019-09-26 |
KR20190084285A (ko) | 2019-07-16 |
WO2018092837A1 (ja) | 2018-05-24 |
US10933171B2 (en) | 2021-03-02 |
KR102240165B1 (ko) | 2021-04-14 |
JP2018080136A (ja) | 2018-05-24 |
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