JP2009518142A - 生体適合性外科用組成物 - Google Patents
生体適合性外科用組成物 Download PDFInfo
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- JP2009518142A JP2009518142A JP2008544579A JP2008544579A JP2009518142A JP 2009518142 A JP2009518142 A JP 2009518142A JP 2008544579 A JP2008544579 A JP 2008544579A JP 2008544579 A JP2008544579 A JP 2008544579A JP 2009518142 A JP2009518142 A JP 2009518142A
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- JP
- Japan
- Prior art keywords
- macromer composition
- biocompatible macromer
- diisocyanate
- biocompatible
- isocyanate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000012948 isocyanate Substances 0.000 claims abstract description 36
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- -1 lysine ester Chemical class 0.000 claims description 18
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 16
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- MRNZSTMRDWRNNR-UHFFFAOYSA-N bis(hexamethylene)triamine Chemical compound NCCCCCCNCCCCCCN MRNZSTMRDWRNNR-UHFFFAOYSA-N 0.000 claims description 3
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- RNLHGQLZWXBQNY-UHFFFAOYSA-N 3-(aminomethyl)-3,5,5-trimethylcyclohexan-1-amine Chemical compound CC1(C)CC(N)CC(C)(CN)C1 RNLHGQLZWXBQNY-UHFFFAOYSA-N 0.000 claims description 2
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 2
- DZIHTWJGPDVSGE-UHFFFAOYSA-N 4-[(4-aminocyclohexyl)methyl]cyclohexan-1-amine Chemical class C1CC(N)CCC1CC1CCC(N)CC1 DZIHTWJGPDVSGE-UHFFFAOYSA-N 0.000 claims description 2
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- JTDWCIXOEPQECG-UHFFFAOYSA-N N=C=O.N=C=O.CCCCCC(C)(C)C Chemical compound N=C=O.N=C=O.CCCCCC(C)(C)C JTDWCIXOEPQECG-UHFFFAOYSA-N 0.000 claims description 2
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- AYLRODJJLADBOB-QMMMGPOBSA-N methyl (2s)-2,6-diisocyanatohexanoate Chemical compound COC(=O)[C@@H](N=C=O)CCCCN=C=O AYLRODJJLADBOB-QMMMGPOBSA-N 0.000 claims description 2
- DTSDBGVDESRKKD-UHFFFAOYSA-N n'-(2-aminoethyl)propane-1,3-diamine Chemical compound NCCCNCCN DTSDBGVDESRKKD-UHFFFAOYSA-N 0.000 claims description 2
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- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical group CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 2
- AMJYHMCHKZQLAY-UHFFFAOYSA-N tris(2-isocyanatophenoxy)-sulfanylidene-$l^{5}-phosphane Chemical compound O=C=NC1=CC=CC=C1OP(=S)(OC=1C(=CC=CC=1)N=C=O)OC1=CC=CC=C1N=C=O AMJYHMCHKZQLAY-UHFFFAOYSA-N 0.000 claims description 2
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Abstract
Description
この出願は、2005年12月8日に出願された米国仮特許出願第60/748,395号(この全体の開示が本明細書に参考として援用される)の利益を主張する。
本開示は、外科用接着剤またはシーラントとして有用な組成物に関する。この組成物には、マトリックスを形成できる生体適合性のマクロマー、多官能性イソシアネート(multi−functional isocyanate)化合物および複数の第一級アミンを有する化合物が含まれる。
近年、縫合を接着ボンドで置き換えたり、増強したりすることに関心が高まりつつある。このように関心が高まっている理由には、(1)修復が完了したであろうと考えられるまでの速度、(2)完全な閉鎖をもたらす接着物質の能力、したがって、液体の漏出の防止、および(3)組織を過剰に変形させることなく接着を形成する可能性、が挙げられる。
本開示は、少なくとも1つの多官能性イソシアネートと組み合わせたイソシアネート官能性ポリアルキレンオキシドと、複数の第一級アミンを有するポリアミノ官能性化合物とを含む生体適合性のマクロマー組成物に関する。このイソシアネート官能性ポリアルキレンオキシドがペンダント型(pendant)ポリアルキレンオキシド基を有してもよい。
R−(NCO)z
から成ってもよく、z≧1であり、Rが、ポリアルキレンオキシド類、ラクチド結合を有するポリエチレングリコール類およびポリエチレンオキシドのポリプロピレンオキシドとの共重合体からなる群より選択される。
本発明は、組織接着剤またはシーラントとして使用する組成物に関する。これは、生体適合性であり、非免疫原性であり、いくつかの実施態様において生体分解性である。本発明の組成物は、2つの成分を含む。第1の成分は、イソシアネート官能性ポリアルキレンオキシドを含み、任意で多官能イソシアナート化合物を含む。第2の成分は、複数の第一級アミンを有する化合物を含む。
R−(NCO)z (I)
に相当する化合物が可能であり、z≧1であり、複数の実施形態においては約2から約8であり、Rがラクチド結合を有するポリエチレングリコールなどのポリアルキレンオキシド系重合体、またはポリプロピレンオキシド(PPO)とのポリエチレンオキシド(PEO)共重合体などのポロクサマーである。これには、BASF社(ニュージャージー州マウントオリーブ)からPLURONICS(登録商標)として市販されているPEO−PPOのトリブロック共重合体が含まれる。
OCN−X−NCO−R−OCN−X−NCO (II)
に相当する化合物が可能であり、Rは上記定義の通りであり、Xが脂肪族類または芳香族類である。
Rは上記定義の通りであり、wは約2から約20の数である。
R−(R1−OH)d (IV)
とすることでき、Rは上記定義の通りで、R1は分解可能な基で、dが2から20の数である。
R−[R1−OCN−X−NCO]d (V)
の分解可能な結合を有するイソシアネート官能性ポリアルキレンオキシドを生成することもできる。上式のR、R1、Xおよびdは上記定義の通りである。
メトキシ−PEGの活性化。HMDIをmPEG(Mw=2000)およびトリエチルアミンのクロロホルム溶液100mlに添加した。反応混合物を加熱還流し、一晩反応させた。反応生成物をROTAVAPOR(登録商標)(ビューチ・ラボルテヒニック社(Buechi Labortechnik AG))回転蒸発装置で濃縮し、その後、エーテル中に沈殿させることにより得た。生成物をクロロホルムに再溶解させて、エーテル中に再沈殿させた後、真空下で乾燥させた。使用した化合物は次の通りであった:
上記実施例1で説明した手順に従って、HMDIをmPEG(Mw=1900)およびトリエチルアミンに添加した。反応混合物を加熱還流し、一晩反応させた。反応生成物をROTAVAPOR(登録商標)回転蒸発装置で濃縮し、その後、エーテル中に沈殿させることにより得た。生成物をクロロホルムに再溶解させて、エーテル中に再沈殿させた後、真空下で乾燥させた。使用した化合物は次の通りであった:
HMDIによるmPEG−OHの活性化。上記実施例1で説明した手順に従って、分子量5000を有するメトキシ−PEGをHMDIにより変性させた。触媒としてトリエチルアミンを用いて、HMDIをクロロホルムに溶かしたmPEG5000−OHに添加した。3日間還流させながら反応を進行させた。この時、生成物がPE/エタノール中に沈殿し分離された。続いてこれを窒素ガス下で乾燥した。生成率は80%を超え、フーリエ変換赤外線(FTIR)および核磁気共鳴(NMR)によって確認した。使用した化合物は次の通りであった:
官能化mPEGのトリス(ヒドロキシメチル)アミノメタン(THMAM)との縮合。N,N−ジメチホルムアミド(DMF)に溶解されたTHMAMを、約60〜65℃まで加熱し、mPEG−OCONH(CH2)6NCOのクロロホルム溶液に添加した。その混合物を4時間混合した。反応混合物をROTAVAPOR(登録商標)回転蒸発装置で濃縮すると、エタノール中に沈殿物が生じた。最終生成物を窒素下で一晩乾燥した。生成率は70〜80%であった。解析はFTIRおよびNMRによって行った。使用した化合物は次の通りであった:
mPEG5000−NCOのTHMAMとの縮合。実施例4の反応工程に従った。わずかに加熱しながら、THMAMを1.5mlのDMFに溶解させた。mPEG5000−NCOを融解する(およそ60〜65℃)まで加熱した。THMAMのDMF溶液をmPEG−5000−NCO融液に滴加した。反応完了後(4時間)、およそ50mlのクロロホルムを添加すると、生成物がエーテル中に沈殿した。この生成物を、その後、真空乾燥した。生成率はおよそ80%であった。解析はFTIRおよびNMRによるものであった。使用した化合物は次の通りであった:
L−ラクチドの開環重合(ROP)。mPEG−HMDI−THMAM−(OH3)およびL−ラクチドを約110〜115℃まで加熱した。トルエンに溶解させたオクチル酸スズ(Sn(Oct)2)触媒をこの融液に添加した。反応時間は24時間であった。この反応混合物をクロロホルムに溶解させ、PE/エーテル中に沈殿させた。最終生成物を窒素下で真空乾燥した。解析はNMRおよびFTIRによって行った。生成率は90%を超えた。使用した化合物は次の通りであった:
HMDIによるmPEG5000−(L−ラクチド)3−OHの官能化。mPEG5000−(L−ラクチド)3−OHおよびトリエチルアミン(触媒)をクロロホルムに溶解させた。この溶液をクロロホルムに溶解させたHMDIに少しずつ添加し、窒素下で攪拌還流しながら60〜65℃まで加熱した。反応時間は4時間であった。ROTAVAPOR(登録商標)回転蒸発装置により溶媒を減少させると、PE/エタノール中に沈殿物が生じた。生成物を窒素下で真空乾燥した。生成率は90%を超えた。解析はNMRおよびFTIRによって行った。使用した化合物は次の通りであった:
mPEG2000−HMDIのソルビトールとの縮合。わずかに加熱しながら、D−ソルビトールをDMFおよびトリエチルアミンに溶解させた。この溶液をmPEG2000−NCOのクロロホルム溶液に滴加した。少量の沈殿物が生成された。この混合物を加熱し、DMFとクロロホルムの割合が1:2になるまで追加のDMFを1mlずつ添加し、総量をおよそ30mlにした。この反応を60〜65℃の温度で12時間進行させた。ROTAVAPOR(登録商標)回転蒸発装置によりこの溶媒を減少させると、PE/エタノール中(1:1の比率)に沈殿物が生じた。生成率はおよそ90%であり、FTIRおよびNMRにより確認された。使用した化合物は次の通りであった:
L−ラクチドとmPEG20000−ソルビトールとのROP。mPEG2000−HMDI−D−ソルビトールおよびL−ラクチドを135〜140℃まで加熱した。Sn(Oct)2触媒をトルエンに溶解させ、融液に添加し、一晩反応を進行させた。この反応混合物をクロロホルムに溶解させて、PE/エーテル中(1:1の比率)に沈殿させた。その後、再溶解させ、再沈殿させた。生成率は95%を超えた。解析はNMRおよびFTIRによって行った。使用した化合物は次の通りであった:
HMDIによるmPEG2000−HMDI−ソルビトール−(ラクチド−OH)5の官能化。mPEG2000−HMDI−ソルビトール−(ラクチド−OH)5およびトリエチルアミンを室温でクロロホルムに溶解させた。この溶液を、攪拌しながらクロロホルムに溶解させたHMDIに添加した。還流させながら60〜65℃で6時間反応を進行させた。生成物は、エーテル中に粘り気のある粘着性ワックスとして沈殿した。混合物をおよそ20℃で4時間加熱した。生成物をクロロホルムに再溶解させ、溶媒をROTAVAPOR(登録商標)回転蒸発装置により除去した。生成率はおよそ85%であった。解析はFTIRおよびNMRによって行った。使用した化合物は次の通りであった:
mPEG−HMDI−THMAMを用いたラクチドのROP。mPEG5000−HMDI−THMAMおよびL−ラクチドを窒素下で135〜140℃まで加熱した。Sn(Oct)2をトルエンに溶解させ、融液に添加した。反応を24時間進行させた。この反応混合物をクロロホルムに溶解させて、エチレンにより2回沈殿させ、ROTAVAPOR(登録商標)回転蒸発装置を使用して乾燥した。生成率はおよそ35%であった。これは、NMRおよびFTIRにより確認された。
mPEG2000−ソルビトール(ラクチド−OH)5HMDIを提供する官能化。この実施例は実施例10と同じ手順に従った。使用した化合物は次の通りであった:
ポリカプロラクトン・ジオール(PCLジオール)をHMDIおよびトリエチルアミンのTHF溶液(およそ100ml)と混合し、64℃で4時間還流した。使用した成分は次の通りであった:
ポリカプロラクトン・トリオール(PCLトリオール)をトリエチルアミン触媒存在下でHMDIと混合させた。この混合物を還流させながら、およそ64℃まで4時間加熱した。この成分量は次の通りであった:
Claims (17)
- 少なくとも1つの多官能性イソシアネートと組み合わせたイソシアネート官能性ポリアルキレンオキシドと、
複数の第一級アミンを有するポリアミノ官能性化合物と、
を含む生体適合性のマクロマー組成物であって、
該イソシアネート官能性ポリアルキレンオキシドがペンダント型ポリアルキレンオキシド基を有する生体適合性のマクロマー組成物。 - 前記イソシアネート官能性ポリアルキレンオキシドが式
R−(NCO)z (I)
であり、ここで、z≧1であり、Rがポリアルキレンオキシド類、ラクチド結合を有するポリエチレングリコール類、およびポリエチレンオキシドとポリプロピレンオキシドとの共重合体からなる群より選択される、請求項1に記載の生体適合性のマクロマー組成物。 - zが約2から約8であり、Rがポリエチレングリコールである、請求項2に記載の生体適合性のマクロマー組成物。
- 前記イソシアネート官能性ポリアルキレンオキシドの前記ポリアルキレンオキシドがメトキシポリエチレングリコールを含む、請求項1に記載の生体適合性のマクロマー組成物。
- 少なくとも1つの前記多官能性イソシアネートがジイソシアネート、トリイソシアネートおよびそれらの組み合わせからなる群より選択される、請求項1に記載の生体適合性のマクロマー組成物。
- 少なくとも1つの前記多官能性イソシアネートがトルエンジイソシアネート、キシリレンジイソシアネート、ビスフェニレンジイソシアネート、4,4’−オキシビス(フェニルイソシアネート)、リジンジイソシアネート、2,4,6−トリメチル−1,3−フェニレンジイソシアネート、ナフチレンジイソシアネート、ジフェニルメタンジイソシアネート、トリメチレンジイソシアネート、テトラメチレンジイソシアネート、ペンタメチレンジイソシアネート、ヘキサメチレンジイソシアネート、エチルエチレンジイソシアネート、トリメチルヘキサンジイソシアネート、ヘプタンメチレンジイソシアネート、ブタンジイソシアネートおよびそれらの組み合わせからなる群より選択されたジイソシアネートである、請求項1に記載の生体適合性のマクロマー組成物。
- 少なくとも1つの前記多官能性イソシアネートがトリフェニルメタントリイソシアネート、トリス(イソシアナトフェニル)チオホスフェート、リジンエステルトリイソシアネート、1,6,11−ウンデカントリイソシアネート、1,3,6−ヘキサメチレントリイソシアネート、1,8−ジイソシアナト−4−イソシアナトメチルオクタン、ビシクロヘプタントリイソシアネートおよびそれらの組み合わせからなるからなる群より選択されたトリイソシアネートである、請求項1に記載の生体適合性のマクロマー組成物。
- 複数の第一級アミンを有する前記ポリアミノ官能性化合物がエチレンジアミン、ヘキサメチレンジアミン、リジン、ジエチレントリアミン、トリエチレンテトラミン、テトラエチレンペンタミン、ビスヘキサメチレントリアミン、N,N’−ビス(3−アミノプロピル)−1,2−エタンジアミン、N−(3−アミノプロピル)−1,3−プロパンジアミン、N−(2−アミノエチル)−1,3プロパンジアミン、N−(3−アミノプロピル)−1,4−ブタンジアミン、N,N’−ビス(3−アミノプロピル)−1,4−ブタンジアミン、シクロヘキサンジアミン、シクロヘキサンジアミンの異性体、4,4’−メチレンビスシクロヘキサンアミン、4’4’−メチレンビス(2−メチルシクロヘキサンアミン)、トルエンジアミン、フェニレンジアミン、イソホロンジアミン、フェナルキレンポリアミン、ポリオキシアルキレンアミンおよびポリペプチドからなる群より選択される、請求項1に記載の生体適合性のマクロマー組成物。
- 前記イソシアネート官能性ポリアルキレンオキシドが分解可能な結合を含む、請求項1に記載の生体適合性のマクロマー組成物。
- 前記生体適合性のマクロマー組成物が生物学的に活性な因子を含む、請求項1に記載の生体適合性のマクロマー組成物。
- 前記生体適合性のマクロマー組成物が薬剤を含む、請求項1に記載の生体適合性のマクロマー組成物。
- 前記生体適合性のマクロマー組成物の分解速度を増大させる、酵素をさらに含む、請求項1に記載の生体適合性のマクロマー組成物。
- 創傷を閉鎖するための方法であって、該方法は
請求項1に記載の生体適合性のマクロマー組成物を該創傷に塗布する工程と、
該生体適合性のマクロマー組成物を硬化させることにより、該創傷を閉鎖する工程と、
を含む、方法。 - 前記創傷が外科的切開である、請求項13に記載の方法。
- 動物組織の空隙を充填するための方法であって、該方法は
請求項1に記載の生体適合性のマクロマー組成物を該空隙に塗布する工程と、
該生体適合性のマクロマー組成物を硬化させることにより該空隙を充填する工程と、
を含む、方法。 - 動物組織の表面に医療デバイスを接着するための方法であって、該方法は、
請求項1に記載の生体適合性のマクロマー組成物を該医療デバイス、該表面またはその両方に塗布する工程と、
該デバイス、生体適合性のマクロマー組成物および表面を互いに接触させる工程と、
該生体適合性のマクロマー組成物を硬化させることにより該デバイスと表面を互いに接着する工程と、
を含む、方法。 - 前記医療デバイスがインプラントである、請求項16に記載の方法。
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US20130138148A1 (en) | 2013-05-30 |
US8790488B2 (en) | 2014-07-29 |
CA2630327C (en) | 2015-05-26 |
AU2006321721B2 (en) | 2012-07-05 |
US20070135605A1 (en) | 2007-06-14 |
EP1960447A4 (en) | 2010-12-01 |
AU2006321721A1 (en) | 2007-06-14 |
US8449714B2 (en) | 2013-05-28 |
WO2007067806A2 (en) | 2007-06-14 |
WO2007067806A3 (en) | 2007-12-21 |
CA2630327A1 (en) | 2007-06-14 |
EP1960447A2 (en) | 2008-08-27 |
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