RU2012116880A - Обработка нерастворимых в воде наночастиц гидрофильными конъюгатами альфа-гидроксифосфоновой кислоты, модифицированные таким образом наночастицы и их применение в качестве контрастных агентов - Google Patents
Обработка нерастворимых в воде наночастиц гидрофильными конъюгатами альфа-гидроксифосфоновой кислоты, модифицированные таким образом наночастицы и их применение в качестве контрастных агентов Download PDFInfo
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Abstract
1. Композиция, содержащая:нерастворимую в воде наночастицу, к которой присоединена по меньшей мере одна альфа-гидроксифосфонатная группировка, имеющая формулу:где S представляет собой спейсер, L представляет собой связь между S и R, R представляет собой полимерную гидрофильную группировку, m и p равны 1-5, и n и o равны 0-5.2. Композиция по п.1, где R представляет собой полимерную гидрофильную группировку на основе этиленоксидных единиц.3. Композиция по п.1 или 2, где полимерные гидрофильные группировки основаны на этиленоксиде, и где поли(этиленоксид) имеет молекулярную массу, равную или меньше 5000 Да.4. Композиция по п.1, где наночастица представляет собой суперпарамагнитную наночастицу на основе оксида железа.5. Композиция по п.1, дополнительно содержащая фармацевтически приемлемый носитель или эксципиент.6. Композиция по п.5 для применения в качестве контрастного агента МРВ (магнитно-резонансная визуализация), подходящего для инъецирования субъекту-человеку.7. Способ использования нерастворимых в воде наночастиц, к которым присоединены альфа-гидроксифосфонатные группировки, в диагностической визуализации, включающийа) введение указанных наночастиц субъекту; иб) подвергание указанного субъекта диагностической визуализации, при которой указанные наночастицы действуют в качестве контрастного агента.8. Способ по п.7, где альфа-гидроксифосфонатные группировки имеют формулу:где S представляет собой спейсер, L представляет собой связь между S и R, R представляет собой полимерную гидрофильную группировку, m и p равны 1-5, и n и o равны 0-5.9. Способ по п.8, где R представляет собой полимерную гидрофильную группировку на основе этиленок�
Claims (15)
1. Композиция, содержащая:
нерастворимую в воде наночастицу, к которой присоединена по меньшей мере одна альфа-гидроксифосфонатная группировка, имеющая формулу:
где S представляет собой спейсер, L представляет собой связь между S и R, R представляет собой полимерную гидрофильную группировку, m и p равны 1-5, и n и o равны 0-5.
2. Композиция по п.1, где R представляет собой полимерную гидрофильную группировку на основе этиленоксидных единиц.
3. Композиция по п.1 или 2, где полимерные гидрофильные группировки основаны на этиленоксиде, и где поли(этиленоксид) имеет молекулярную массу, равную или меньше 5000 Да.
4. Композиция по п.1, где наночастица представляет собой суперпарамагнитную наночастицу на основе оксида железа.
5. Композиция по п.1, дополнительно содержащая фармацевтически приемлемый носитель или эксципиент.
6. Композиция по п.5 для применения в качестве контрастного агента МРВ (магнитно-резонансная визуализация), подходящего для инъецирования субъекту-человеку.
7. Способ использования нерастворимых в воде наночастиц, к которым присоединены альфа-гидроксифосфонатные группировки, в диагностической визуализации, включающий
а) введение указанных наночастиц субъекту; и
б) подвергание указанного субъекта диагностической визуализации, при которой указанные наночастицы действуют в качестве контрастного агента.
9. Способ по п.8, где R представляет собой полимерную гидрофильную группировку на основе этиленоксидных единиц.
10. Способ по п.9, где полимерные гидрофильные группировки основаны на этиленоксиде, и где поли(этиленоксид) имеет молекулярную массу, равную или меньше 5000 Да.
11. Способ по любому из пп.7-10, где наночастица представляет собой суперпарамагнитную наночастицу на основе оксида железа.
12. Способ изготовления нерастворимых в воде наночастиц, к которым присоединены альфа-гидроксифосфонатные группировки, включающий:
а) получение суспензии наночастицы в суспензионном агенте; и
б) приведение указанной суспензии в контакт с указанными альфа-гидроксифосфонатными группировками.
14. Способ по п.13, где R представляет собой гидрофильную группировку на основе этиленоксидных единиц.
15. Способ по п.14, где полимерные гидрофильные группировки основаны на этиленоксиде, и где поли(этиленоксид) имеет молекулярную массу, равную или меньше 5000 Да.
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US12/609,799 US9205155B2 (en) | 2009-10-30 | 2009-10-30 | Treating water insoluble nanoparticles with hydrophilic alpha-hydroxyphosphonic acid conjugates, the so modified nanoparticles and their use as contrast agents |
US12/609,799 | 2009-10-30 | ||
PCT/EP2010/066429 WO2011051422A2 (en) | 2009-10-30 | 2010-10-29 | Treating water insoluble nanoparticles with hydrophilic alpha-hydroxyphosphonic acid conjugates, the so modified nanoparticles and their use as contrast agents |
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RU2767430C2 (ru) * | 2017-06-28 | 2022-03-17 | Рикен | Наночастица, содержащее ее контрастное вещество для магнитно-резонансной томографии и лигандное соединение |
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BR112013013929A2 (pt) * | 2010-12-15 | 2016-09-13 | Gen Electric | composição de nanopartícula, e, processos para fabricar uma composição de nanopartícula e de formação de imagem de diagnóstico |
US8895068B2 (en) | 2010-12-15 | 2014-11-25 | General Electric Company | Nanoparticle composition and associated methods thereof |
US8889103B2 (en) | 2010-12-15 | 2014-11-18 | General Electric Company | Diagnostic agent composition and associated methods thereof |
US9474810B2 (en) * | 2012-03-02 | 2016-10-25 | General Electric Company | Superparamagnetic nanoparticles with PEG substituted α-hydroxy phosphonate shells |
US9251937B2 (en) * | 2012-06-29 | 2016-02-02 | General Electric Company | Heat stable nanoparticle preparations and associated methods thereof |
US20190001001A1 (en) * | 2017-07-03 | 2019-01-03 | General Electric Company | Drug design for application-dependent payload, controlled pharmacokinetic distribution, and renal clearance |
US11577977B2 (en) * | 2017-09-26 | 2023-02-14 | The Board Of Trustees Of The University Of Arkansas | Composite zero valent iron nanoparticles and applications thereof |
CN110734460B (zh) * | 2019-10-22 | 2022-03-29 | 华南师范大学 | 一类磺酸-膦酸配体的制备及其用途 |
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- 2010-10-29 WO PCT/EP2010/066429 patent/WO2011051422A2/en active Application Filing
- 2010-10-29 MX MX2012005022A patent/MX2012005022A/es not_active Application Discontinuation
- 2010-10-29 IN IN2804DEN2012 patent/IN2012DN02804A/en unknown
- 2010-10-29 CN CN201080049469.4A patent/CN102639153B/zh active Active
- 2010-10-29 ES ES10771742T patent/ES2720152T3/es active Active
- 2010-10-29 RU RU2012116880/15A patent/RU2012116880A/ru not_active Application Discontinuation
- 2010-10-29 KR KR1020127010759A patent/KR20120101362A/ko not_active Application Discontinuation
- 2010-10-29 AU AU2010311437A patent/AU2010311437A1/en not_active Abandoned
- 2010-10-29 BR BR112012010113A patent/BR112012010113A2/pt not_active IP Right Cessation
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2767430C2 (ru) * | 2017-06-28 | 2022-03-17 | Рикен | Наночастица, содержащее ее контрастное вещество для магнитно-резонансной томографии и лигандное соединение |
US11389550B2 (en) | 2017-06-28 | 2022-07-19 | Riken | Nanoparticle, contrast agent for magnetic resonance imaging containing same, and ligand compound |
Also Published As
Publication number | Publication date |
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CN102639153A (zh) | 2012-08-15 |
EP2493512B1 (en) | 2019-01-23 |
WO2011051422A2 (en) | 2011-05-05 |
CA2777871A1 (en) | 2011-05-05 |
JP5997609B2 (ja) | 2016-09-28 |
AU2010311437A1 (en) | 2012-04-12 |
WO2011051422A3 (en) | 2011-07-21 |
US20110104072A1 (en) | 2011-05-05 |
CN102639153B (zh) | 2017-02-22 |
IN2012DN02804A (ru) | 2015-07-24 |
BR112012010113A2 (pt) | 2019-09-24 |
US9205155B2 (en) | 2015-12-08 |
US9827335B2 (en) | 2017-11-28 |
ES2720152T3 (es) | 2019-07-18 |
JP2013509381A (ja) | 2013-03-14 |
MX2012005022A (es) | 2012-06-08 |
KR20120101362A (ko) | 2012-09-13 |
US20160038617A1 (en) | 2016-02-11 |
EP2493512A2 (en) | 2012-09-05 |
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