KR20200068574A - 간동맥 화학색전술용 마이크로비드 및 그의 제조방법 - Google Patents
간동맥 화학색전술용 마이크로비드 및 그의 제조방법 Download PDFInfo
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- KR20200068574A KR20200068574A KR1020190150070A KR20190150070A KR20200068574A KR 20200068574 A KR20200068574 A KR 20200068574A KR 1020190150070 A KR1020190150070 A KR 1020190150070A KR 20190150070 A KR20190150070 A KR 20190150070A KR 20200068574 A KR20200068574 A KR 20200068574A
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- microbeads
- microbead
- albumin
- hepatic artery
- fucoidan
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Abstract
Description
도 2는 미세 유체 시스템으로 제조한 마이크로비드 사진이다.
도 3은 알부민/후코이단의 조성에 따라 달리하여 미세 유체 시스템으로 제조한 마이크로비드 사진이다.
도 4는 알부민/후코이단 마이크로비드와 DC 비드(DC beads)와의 사이즈 분포도의 비교 그래프이다.
도 5는 알부민/후코이단 마이크로비드의 약물 흡착을 보여주는 그래프이다.
도 6은 알부민/후코이단 마이크로비드의 장기 용출 거동을 보여주는 그래프이다.
도 7은 알부민/후코이단 마이크로비드의 정상 돼지에서 간동맥 색전술의 색전 효능을 평가하기 위하여 실시한 혈관조영술(angiography) 사진이다. A는 마이크로비드를 인젝션(injection)하여 혈관 내 마이크로비드를 확인한 혈관조영상(angiogram)이고, B는 마이크로비드에 의해 혈관이 막힌 것을 확인하기 위해 다시 조영제를 넣어 막힌 혈관을 확인한 혈관조영상(angiogram)이다.
도 8은 알부민/후코이단 마이크로비드에 의해 색전된 돼지의 간 조직 부검사진이다. 노랑색 화살표로 표시된 부분이 색전된 조직이다.
도 9는 도 8의 색전된 돼지의 간 조직을 조직병리검사를 실시한 사진이다.
| 중량비 비율 | 조성 1 | 조성 2 | 조성 3 | 조성 4 | 조성 5 |
| 알부민:후코이단 | 10:0 | 10:0.5 | 10:1 | 10:2.5 | 10:5 |
Claims (9)
- 간동맥 화학색전술용 마이크로비드로서,
가교결합된 생체적합성 고분자와 음이온성 고분자의 블렌드를 포함하는 마이크로비드; 및
상기 마이크로비드 내에 봉입된 약물을 포함하는 간동맥 화학색전술용 마이크로비드. - 제1 항에 있어서,
상기 생체적합성 고분자는 알부민인 것인 간동맥 화학색전술용 마이크로비드. - 제1 항에 있어서,
상기 음이온성 고분자는 후코이단인 것인 간동맥 화학색전술용 마이크로비드. - 제1 항에 있어서,
상기 생체적합성 고분자 100 중량부에 대하여 상기 음이온성 고분자는 1 내지 80 중량부 포함된 것인 간동맥 화학색전술용 마이크로비드. - 제1 항에 있어서,
상기 마이크로비드 1 ml에 대하여 상기 약물은 유효성분 기준으로 0.01 내지 500mg이 포함된 것인 간동맥 화학색전술용 마이크로비드. - 제1 항에 있어서,
상기 약물은 상기 음이온성 고분자와 정전기적 인력에 의하여 상기 마이크로비드 내부에 봉입되는 것인 간동맥 화학색전술용 마이크로비드. - (a) 생체적합성 고분자와 음이온성 고분자의 혼합액을 에멀젼화하여 마이크로비드를 형성하는 단계;
(b) 상기 마이크로비드 내에 포함된 상기 생체적합성 고분자를 가교시켜 음이온성 고분자와 블렌드된 가교화 마이크로비드를 얻는 단계; 및
(c) 상기 가교화 마이크로비드 내부에 약물을 봉입시키는 단계를 포함하는 간동맥 화학색전술용 마이크로비드의 제조방법. - 제7 항에 있어서,
상기 생체적합성 고분자는 알부민인 것인 간동맥 화학색전술용 마이크로비드의 제조방법. - 제7 항에 있어서,
상기 음이온성 고분자는 후코이단인 것인 간동맥 화학색전술용 마이크로비드의 제조방법.
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| US20150352050A1 (en) * | 2012-11-15 | 2015-12-10 | Utah-Inha Dds & Advanced Therapeutics Research Center | Biodegradable microbeads with improved anticancer drug adsorptivity, containing albumin and dextran sulfate, and preparation method therefor |
| WO2014084530A1 (ko) * | 2012-11-27 | 2014-06-05 | 재단법인 유타 인하 디디에스 및 신의료기술개발공동연구소 | 음이온성 고분자를 포함하는 항암제 흡착능력이 향상된 생분해성 마이크로 비드 및 이의 제조방법 |
| EP3131534A4 (en) * | 2014-04-17 | 2017-12-20 | Memorial Sloan Kettering Cancer Center | Fucoidan nanogels and methods of their use and manufacture |
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2019
- 2019-11-21 KR KR1020190150070A patent/KR20200068574A/ko not_active Ceased
- 2019-11-21 WO PCT/KR2019/016000 patent/WO2020116831A1/ko not_active Ceased
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