JP2019089768A - ポリマー治療組成物 - Google Patents
ポリマー治療組成物 Download PDFInfo
- Publication number
- JP2019089768A JP2019089768A JP2018238096A JP2018238096A JP2019089768A JP 2019089768 A JP2019089768 A JP 2019089768A JP 2018238096 A JP2018238096 A JP 2018238096A JP 2018238096 A JP2018238096 A JP 2018238096A JP 2019089768 A JP2019089768 A JP 2019089768A
- Authority
- JP
- Japan
- Prior art keywords
- polymer
- liquid embolic
- physiological
- solution
- methacrylate
- 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.)
- Granted
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 71
- 229920000642 polymer Polymers 0.000 claims abstract description 154
- 239000007788 liquid Substances 0.000 claims abstract description 94
- 230000003073 embolic effect Effects 0.000 claims abstract description 84
- 239000000178 monomer Substances 0.000 claims abstract description 37
- 238000012800 visualization Methods 0.000 claims abstract description 37
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 31
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 28
- 210000004204 blood vessel Anatomy 0.000 claims abstract description 12
- 239000007787 solid Substances 0.000 claims abstract description 12
- 229920000249 biocompatible polymer Polymers 0.000 claims abstract description 9
- 150000002497 iodine compounds Chemical class 0.000 claims abstract description 8
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- QLIBJPGWWSHWBF-UHFFFAOYSA-N 2-aminoethyl methacrylate Chemical compound CC(=C)C(=O)OCCN QLIBJPGWWSHWBF-UHFFFAOYSA-N 0.000 claims abstract description 5
- NZIDBRBFGPQCRY-UHFFFAOYSA-N octyl 2-methylprop-2-enoate Chemical compound CCCCCCCCOC(=O)C(C)=C NZIDBRBFGPQCRY-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 claims abstract description 3
- IEVADDDOVGMCSI-UHFFFAOYSA-N 2-hydroxybutyl 2-methylprop-2-enoate Chemical compound CCC(O)COC(=O)C(C)=C IEVADDDOVGMCSI-UHFFFAOYSA-N 0.000 claims abstract description 3
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims abstract description 3
- ZAWQXWZJKKICSZ-UHFFFAOYSA-N 3,3-dimethyl-2-methylidenebutanamide Chemical compound CC(C)(C)C(=C)C(N)=O ZAWQXWZJKKICSZ-UHFFFAOYSA-N 0.000 claims abstract description 3
- GNSFRPWPOGYVLO-UHFFFAOYSA-N 3-hydroxypropyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCCO GNSFRPWPOGYVLO-UHFFFAOYSA-N 0.000 claims abstract description 3
- NIXVAPHNPNMUIX-UHFFFAOYSA-N 6-amino-2-methylhex-2-enamide Chemical compound NC(=O)C(C)=CCCCN NIXVAPHNPNMUIX-UHFFFAOYSA-N 0.000 claims abstract description 3
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims abstract description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000007864 aqueous solution Substances 0.000 claims description 23
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- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 13
- 239000002245 particle Substances 0.000 description 12
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- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 239000007795 chemical reaction product Substances 0.000 description 8
- WTFXARWRTYJXII-UHFFFAOYSA-N iron(2+);iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Fe+2].[Fe+3].[Fe+3] WTFXARWRTYJXII-UHFFFAOYSA-N 0.000 description 8
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- 229910052715 tantalum Inorganic materials 0.000 description 6
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 6
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- 229910052688 Gadolinium Inorganic materials 0.000 description 3
- OWXMKDGYPWMGEB-UHFFFAOYSA-N HEPPS Chemical compound OCCN1CCN(CCCS(O)(=O)=O)CC1 OWXMKDGYPWMGEB-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 238000005481 NMR spectroscopy Methods 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 3
- 230000010102 embolization Effects 0.000 description 3
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 3
- 235000019796 monopotassium phosphate Nutrition 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 description 3
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- JKMHFZQWWAIEOD-UHFFFAOYSA-N 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid Chemical compound OCC[NH+]1CCN(CCS([O-])(=O)=O)CC1 JKMHFZQWWAIEOD-UHFFFAOYSA-N 0.000 description 2
- 229940058020 2-amino-2-methyl-1-propanol Drugs 0.000 description 2
- DVLFYONBTKHTER-UHFFFAOYSA-N 3-(N-morpholino)propanesulfonic acid Chemical compound OS(=O)(=O)CCCN1CCOCC1 DVLFYONBTKHTER-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- PEEHTFAAVSWFBL-UHFFFAOYSA-N Maleimide Chemical compound O=C1NC(=O)C=C1 PEEHTFAAVSWFBL-UHFFFAOYSA-N 0.000 description 2
- 241000124008 Mammalia Species 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- MKWKNSIESPFAQN-UHFFFAOYSA-N N-cyclohexyl-2-aminoethanesulfonic acid Chemical compound OS(=O)(=O)CCNC1CCCCC1 MKWKNSIESPFAQN-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical compound CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 2
- 229910052797 bismuth Inorganic materials 0.000 description 2
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
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- AFOSIXZFDONLBT-UHFFFAOYSA-N divinyl sulfone Chemical compound C=CS(=O)(=O)C=C AFOSIXZFDONLBT-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 239000011630 iodine Substances 0.000 description 2
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- 229960001025 iohexol Drugs 0.000 description 2
- NTHXOOBQLCIOLC-UHFFFAOYSA-N iohexol Chemical compound OCC(O)CN(C(=O)C)C1=C(I)C(C(=O)NCC(O)CO)=C(I)C(C(=O)NCC(O)CO)=C1I NTHXOOBQLCIOLC-UHFFFAOYSA-N 0.000 description 2
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 2
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- 239000013618 particulate matter Substances 0.000 description 2
- NMHMNPHRMNGLLB-UHFFFAOYSA-N phloretic acid Chemical compound OC(=O)CCC1=CC=C(O)C=C1 NMHMNPHRMNGLLB-UHFFFAOYSA-N 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
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- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
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- SXGZJKUKBWWHRA-UHFFFAOYSA-N 2-(N-morpholiniumyl)ethanesulfonate Chemical compound [O-]S(=O)(=O)CC[NH+]1CCOCC1 SXGZJKUKBWWHRA-UHFFFAOYSA-N 0.000 description 1
- PEXYYFGIUMDEHV-UHFFFAOYSA-N 2-iodo-2-phenylundecanoic acid Chemical compound CCCCCCCCCC(I)(C(O)=O)C1=CC=CC=C1 PEXYYFGIUMDEHV-UHFFFAOYSA-N 0.000 description 1
- INEWUCPYEUEQTN-UHFFFAOYSA-N 3-(cyclohexylamino)-2-hydroxy-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(O)CNC1CCCCC1 INEWUCPYEUEQTN-UHFFFAOYSA-N 0.000 description 1
- AJQXZWKKWGNGPA-UHFFFAOYSA-N 5-amino-2-methylpent-2-enamide Chemical compound NC(=O)C(C)=CCCN AJQXZWKKWGNGPA-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
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- 208000022211 Arteriovenous Malformations Diseases 0.000 description 1
- 206010003226 Arteriovenous fistula Diseases 0.000 description 1
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- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- 208000032170 Congenital Abnormalities Diseases 0.000 description 1
- PJWWRFATQTVXHA-UHFFFAOYSA-N Cyclohexylaminopropanesulfonic acid Chemical compound OS(=O)(=O)CCCNC1CCCCC1 PJWWRFATQTVXHA-UHFFFAOYSA-N 0.000 description 1
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- LXEKPEMOWBOYRF-UHFFFAOYSA-N [2-[(1-azaniumyl-1-imino-2-methylpropan-2-yl)diazenyl]-2-methylpropanimidoyl]azanium;dichloride Chemical compound Cl.Cl.NC(=N)C(C)(C)N=NC(C)(C)C(N)=N LXEKPEMOWBOYRF-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
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- 125000005250 alkyl acrylate group Chemical group 0.000 description 1
- YVPYQUNUQOZFHG-UHFFFAOYSA-N amidotrizoic acid Chemical compound CC(=O)NC1=C(I)C(NC(C)=O)=C(I)C(C(O)=O)=C1I YVPYQUNUQOZFHG-UHFFFAOYSA-N 0.000 description 1
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- LOKCTEFSRHRXRJ-UHFFFAOYSA-I dipotassium trisodium dihydrogen phosphate hydrogen phosphate dichloride Chemical compound P(=O)(O)(O)[O-].[K+].P(=O)(O)([O-])[O-].[Na+].[Na+].[Cl-].[K+].[Cl-].[Na+] LOKCTEFSRHRXRJ-UHFFFAOYSA-I 0.000 description 1
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- 150000002251 gadolinium compounds Chemical class 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
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- 239000001257 hydrogen Substances 0.000 description 1
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
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- 229960004359 iodixanol Drugs 0.000 description 1
- NBQNWMBBSKPBAY-UHFFFAOYSA-N iodixanol Chemical compound IC=1C(C(=O)NCC(O)CO)=C(I)C(C(=O)NCC(O)CO)=C(I)C=1N(C(=O)C)CC(O)CN(C(C)=O)C1=C(I)C(C(=O)NCC(O)CO)=C(I)C(C(=O)NCC(O)CO)=C1I NBQNWMBBSKPBAY-UHFFFAOYSA-N 0.000 description 1
- 230000005865 ionizing radiation Effects 0.000 description 1
- XQZXYNRDCRIARQ-LURJTMIESA-N iopamidol Chemical compound C[C@H](O)C(=O)NC1=C(I)C(C(=O)NC(CO)CO)=C(I)C(C(=O)NC(CO)CO)=C1I XQZXYNRDCRIARQ-LURJTMIESA-N 0.000 description 1
- 229960004647 iopamidol Drugs 0.000 description 1
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- DGAIEPBNLOQYER-UHFFFAOYSA-N iopromide Chemical compound COCC(=O)NC1=C(I)C(C(=O)NCC(O)CO)=C(I)C(C(=O)N(C)CC(O)CO)=C1I DGAIEPBNLOQYER-UHFFFAOYSA-N 0.000 description 1
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- AQMSXJACGRFPPR-UHFFFAOYSA-N n-[(4-aminophenyl)methyl]prop-2-enamide Chemical compound NC1=CC=C(CNC(=O)C=C)C=C1 AQMSXJACGRFPPR-UHFFFAOYSA-N 0.000 description 1
- PDNUJRVEYKRJFO-UHFFFAOYSA-N n-[2-(1h-imidazol-5-yl)ethyl]prop-2-enamide Chemical compound C=CC(=O)NCCC1=CNC=N1 PDNUJRVEYKRJFO-UHFFFAOYSA-N 0.000 description 1
- LYGXNAXVSAHXML-UHFFFAOYSA-N n-[2-(4-aminophenyl)ethyl]prop-2-enamide Chemical compound NC1=CC=C(CCNC(=O)C=C)C=C1 LYGXNAXVSAHXML-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/74—Synthetic polymeric materials
- A61K31/785—Polymers containing nitrogen
-
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Abstract
Description
本願は、2012年6月14日に出願された、米国仮特許出願第61/659,916号の優先権の利益を主張し、その全開示内容を参照をもってここに組み込む。
3mLのメタノールに、1.6gのt−ブチルアクリレート、0.4gのアミノエチルメタクリレート、及び10mgのアゾビスイソブチロニトリルを加えた。完全に溶解したら、溶液を8時間80℃に置いた。そして、室温まで冷却した後、ポリマーをエチルエーテル中で沈殿させて回収し、真空下で乾燥させた。
蒸留水1Lに、9gの塩化ナトリウムと6.81gのリン酸二水素カリウムとを添加した。完全に溶解して、溶液のpHをリン酸を用いて3に調整した。
9gの実施例2の液体に、1gの実施例1のポリマーを加えた。ポリマーの溶解は、24時間55℃でインキュベートすることによって支援された。完全に溶解した後、3gの硫酸バリウムを添加した。そして、液体塞栓性ポリマー製剤は、バイアルに小分けされ、蓋をされた。バイアルは、15分間121℃でオートクレーブされた。
実施例1及び2に記載された技術を用いて、表1に記載のポリマーを調製した。pH3(非生理的)及びpH7.4(生理的)における水溶液において、ポリマーの溶解度を調べた。
実施例1、2及び3の技術に従って調製された液体塞栓性ポリマー製剤は、5羽のウサギの腎臓の塞栓に利用された。血管造影的な閉塞は、5つの全ての腎臓において得られた。1ヶ月(n=2の場合、図1)及び3ヶ月(n=3)におけるフォローアップ評価で、腎臓は、血管造影的に閉塞したままであった。腎臓の組織学的評価では、液体塞栓性ポリマーによる血液供給の除去から血管系及び実質的な組織破壊への液体塞栓性ポリマーの良好な浸透を示した(図2及び図3)。
実施例1、2及び3の技術に従って調製された液体塞栓性ポリマー製剤は、急性豚の網状組織の塞栓に利用された。手順の最後に、網状組織の血管造影的な閉塞が得られ、図4Aの処置前の血管造影と図4Bの処置後の血管造影とを比較して見られる。
実施例1、2及び3の技術に従って調製された液体塞栓性ポリマー製剤は、ウサギの腎臓の血管系の塞栓に利用された。液体塞栓性製剤は、硫酸バリウムを用いて不透明化された。手順の最後に、CTスキャナを用いてウサギを画像化し、図5Aの処置前の血管造影と図5Bの処置後のCT血管造影とを比較して、違いが見られた。
実施例1、2及び3の技術に従って調製された液体塞栓性ポリマー製剤は、ウサギの腎臓の血管系の塞栓に利用された。液体塞栓性製剤は、タンタルまたは硫酸バリウムを用いて不透明化された。手順の最後に、MRスキャナを用いてウサギを画像化し、図6及び図7Aの処置前の血管造影と図7Bの処置後のMR血管造影とを比較して、違いが見られた。
3mLのメタノールに、0.5gのt−ブチルアクリレート、1.2gのヒドロエチルメタクリレート、0.3gのアミノエチルメタクリレート、及び10mgのアゾビスイソブチロニトリルを加えた。全ての成分の溶解の際、溶液を8時間80℃に置いた。室温に冷却後、ポリマーをエチルエーテル中で沈殿させて回収し、真空下で乾燥させた。
1Lの蒸留水に、9gの塩化ナトリウム、6.81gのリン酸二水素カリウム、及び200gのイオヘキソールを加えた。全ての成分の溶解の際、溶液のpHをリン酸を用いて3に調整した。
9gの実施例11の液体に、1gの実施例10のポリマーを加えた。ポリマーの溶解は、数時間55℃でインキュベートすることによって支援された。液体塞栓性ポリマーが溶解した後、液体塞栓性ポリマー製剤は、バイアルに小分けし、蓋をした。バイアルを15分間121℃でオートクレーブした。
実施例3及び11の液体塞栓性ポリマー製剤は、pH7.4の過剰リン酸緩衝生理的食塩水に各製剤を滴下して加えることによって評価された。沈殿速度及び沈殿物の凝集性を評価した。結果は、表2に含まれる。
3mLのメタノールに、1.6gのt−ブチルアクリレート、0.4gのアミノエチルメタクリレート、及び10mgのアゾビスイソブチロニトリルを加えた。成分の溶解の際、溶液を8時間80℃に置いた。室温に冷却後、ポリマーをエチルエーテル中で沈殿させて回収し、真空下で乾燥させた。1Lの蒸留水に、9gの塩化ナトリウム及び6.81gのリン酸二水素カリウムを添加した。成分の溶解の際、溶液のpHをリン酸を用いて3に調整した。
3mLのメタノールに、0.5gのn−オクチルメタクリレート、1.5gのメタクリル酸、及び10mgのアゾビスイソブチロニトリルを加えた。成分の溶解の際、溶液を8時間80℃に置いた。室温に冷却後、ポリマーをエチルエーテル中で沈殿させて回収し、真空下で乾燥させた。1Lの蒸留水、9gの塩化ナトリウム及び4.2gの重炭酸ナトリウムを添加した。成分の溶解の際、溶液のpHを、水酸化ナトリウムを用いて10に調整した。
[付記1]
ポリマー、
非生理的pHの水溶液、及び
可視化剤を含み、
前記生物適合性ポリマーは、前記水溶液に可溶であり、治療部位における生理的pHにおいて不溶である、組成物。
前記可視化剤は、粒子である、付記1に記載の組成物。
前記可視化剤は、約5%から約65%の濃度を有する、付記1に記載の組成物。
前記可視化剤は、ヨウ素化合物、硫酸バリウム、超常磁性酸化鉄、ガドリニウム分子又はこれらの組み合わせである、付記1に記載の組成物。
前記ポリマーは、2つの異なるモノマーの反応生成物である、付記1に記載の組成物。
前記ポリマーは、3つの異なるモノマーの反応生成物である、付記1に記載の組成物。
前記非生理的pH溶液は、水性である、付記1に記載の組成物。
前記非生理的pH溶液は、約6未満のpHを有する、付記1に記載の組成物。
前記非生理的pH溶液は、約8超のpHを有する、付記1に記載の組成物。
前記ポリマーは、約1%w/wから約35%w/wの濃度を有する、付記1に記載の組成物。
非生理的pHの第1水溶液、
約1%から35%w/wの濃度で、非生理的pHの前記第1水溶液に可溶であり、生理的pHの第2水溶液に不溶なポリマー、及び
約20%w/wから約60%w/wの濃度の粒子状可視化剤を含む、組成物。
搬送デバイスを介して、ポリマー、非生理的pH溶液及び可視化剤を含む液体塞栓性組成物を、生理的pH環境の場所に注入することを含み、
前記ポリマーが生理的pHに達したとき、前記ポリマーが沈殿する、組成物を搬送する方法。
前記可視化剤は、粒子である、付記12に記載の方法。
前記可視化剤は、約5%から約65%の濃度を有する、付記12に記載の方法。
前記可視化剤は、ヨウ素化合物又は硫酸バリウムである、付記12に記載の方法。
前記ポリマーは、2つの異なるモノマーの反応生成物である、付記12に記載の方法。
前記ポリマーは、3つの異なるモノマーの反応生成物である、付記12に記載の方法。
前記非生理的pH溶液は、水性である、付記12に記載の方法。
前記非生理的pH溶液は、約5未満のpHを有する、付記12に記載の方法。
前記非生理的pH溶液は、約8超のpHを有する、付記12に記載の方法。
前記ポリマーは、約1%w/wから約35%w/wの濃度を有する、付記12に記載の方法。
生体適合性ポリマー、非生理的pH溶液及び可視化剤を含む液体塞栓性組成物を提供する工程であって、前記生体適合性ポリマーは、前記非生理的pH溶液に可溶であり、生理的pHにおいて不溶である工程、
血管に搬送デバイスを挿入する工程、
治療を必要とする領域に前記搬送デバイスを案内する工程であって、前記領域は生理的pHを有する工程、
治療を必要とする前記領域における血管へ前記搬送デバイスを介して前記液体塞栓性ポリマー組成物を注入する工程であって、それによって即座に前記ポリマーを沈殿させ、かつ固体ポリマー塊を形成する、工程、及び
血管の状態を治療する工程を含む、血管障害を治療する方法。
付記1から22のいずれか1つに記載の組成物又は方法により血管障害を治療する方法。
ここに記載されている血管障害を治療する方法。
ここに記載されている液体塞栓性ポリマーを製造する方法。
ここに記載されている液体塞栓性ポリマー溶液を製造する方法。
ここに記載されている液体塞栓性組成物。
ここに記載されているポリマー組成物。
Claims (5)
- t−ブチルアクリレート、t−ブチルアクリルアミド、n−オクチルメタクリレート、メチルメタクリレート、ヒドロキシエチルメタクリレート、ヒドロキシエチルアクリレート、ヒドロキシプロピルメタクリレート、又はヒドロキシブチルメタクリレートを含む第1のモノマーとアミノプロピルメタクリルアミド又はアミノエチルメタクリレートを含む第2のモノマーとによって調製される生体適合性ポリマー、
非生理的pHの水溶液、及び
ヨウ素化合物又は硫酸バリウムから選択される可視化剤を含み、
液体塞栓性組成物は、搬送デバイスを介して血管に注入される、液体塞栓性組成物。 - 前記可視化剤は、約5%から約65%の濃度を有する、請求項1に記載の液体塞栓性組成物。
- 前記生体適合性ポリマーは、約1%w/wから約35%w/wの濃度を有する、請求項1に記載の液体塞栓性組成物。
- 前記液体塞栓性組成物を前記搬送デバイスを介して注入する前に、前記搬送デバイスは、生理的pHを有する、治療が必要な領域に案内され、前記生理的pHは、6超8未満である、請求項1に記載の液体塞栓性組成物。
- 一旦前記搬送デバイスが、治療が必要な領域に案内されると、前記液体塞栓性組成物は、前記搬送デバイスを介して血管に注入され、それによって即座に前記生体適合性ポリマーを沈殿させ、かつ固体ポリマー塊を形成する、請求項4に記載の液体塞栓性組成物。
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US20130336917A1 (en) | 2013-12-19 |
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