JP5726915B2 - 生体分子を活性化およびコンジュゲートする方法 - Google Patents
生体分子を活性化およびコンジュゲートする方法 Download PDFInfo
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- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/56—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule
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Description
− 通常、攪拌式活性化タンクなどの混合容器中で実施される、還元剤とのインキュベーション/制御式混合を介して活性化し;
− 典型的には、サイズ排除クロマトグラフィーまたは他のクロマトグラフ法により、活性化剤を除去し;
− 通常、攪拌式コンジュゲーションタンクにて実施される、(PEGなどの)活性化ポリマーとのインキュベーション/制御式混合を介してコンジュゲートし;および
− そのコンジュゲートされている生体分子を未反応の分子および副生成物からイオン交換クロマトグラフィーなどのクロマトグラフィーを用いて分離する、
操作を必要とする。
実施例1:PEG化
表1
実施例2 整合性実験
表2
表3
実施例3 パイロット規模のTFFモードのPEG化
Claims (6)
- 活性化剤と接触させることで生体分子を活性化させる工程;
該活性化剤を除去する工程;および
該生体分子を活性化されたポリマーと反応させることにより該生体分子をコンジュゲートさせる工程;
を含む、生体分子のコンジュゲートを生成する方法であって、ここで該方法の工程が単一の単位操作に一体化されており、該単一の単位操作が一体化接線流濾過システムであり、上記ポリマーがポリエチレングリコールであり、生体分子が蛋白である、方法。 - 生体分子のコンジュゲートをコンジュゲートされていない生体分子より分離する工程をさらに含む、請求項1記載の方法。
- 生体分子のコンジュゲートがコンジュゲートされていない生体分子よりサイズ排除クロマトグラフィーまたはイオン交換クロマトグラフィーにより分離される、請求項2記載の方法。
- 活性化剤がpH調整剤および還元剤より選択される、請求項1〜3いずれか1項記載の方法。
- 還元剤がジチオスレイトールまたはトリス2−カルボキシエチルホスフィンである、請求項4記載の方法。
- 蛋白が凝固因子、抗体、ホルモン、成長因子および酵素より選択される、請求項1〜5いずれか1項記載の方法。
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PCT/US2011/025592 WO2011103531A1 (en) | 2010-02-21 | 2011-02-21 | Method for Activation and Conjugation of Biomolecules |
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GB201007356D0 (en) | 2010-04-30 | 2010-06-16 | Leverton Licence Holdings Ltd | Conjugated factor VIIa |
EP3892294A1 (en) | 2013-08-28 | 2021-10-13 | AbbVie Stemcentrx LLC | Site-specific antibody conjugation methods and compositions |
RU2016122041A (ru) | 2013-11-06 | 2017-12-11 | ЭББВИ СТЕМСЕНТРКС ЭлЭлСи | Новые анти-клаудин антитела и способы их применения |
KR20160097336A (ko) | 2013-12-12 | 2016-08-17 | 스템센트알엑스 인코포레이티드 | 신규 항-dpep3 항체 및 이의 사용 방법 |
US10308721B2 (en) | 2014-02-21 | 2019-06-04 | Abbvie Stemcentrx Llc | Anti-DLL3 antibodies and drug conjugates for use in melanoma |
TW201617368A (zh) | 2014-09-05 | 2016-05-16 | 史坦森特瑞斯公司 | 新穎抗mfi2抗體及使用方法 |
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US7384909B2 (en) * | 2002-07-15 | 2008-06-10 | Board Of Regents, The University Of Texas System | Anti-viral treatment methods using phosphatidylethanolamine-binding peptides linked to anti-viral agents |
NZ537690A (en) * | 2002-07-15 | 2009-07-31 | Univ Texas | Antibodies binding to anionic phospholipids and aminophospholipids and their use in treating viral infections |
JP4490369B2 (ja) | 2002-12-31 | 2010-06-23 | ネクター セラピューティクス アラバマ,コーポレイション | マレアミド酸ポリマー誘導体及びこれらの生物学的複合体 |
US20050175619A1 (en) * | 2004-02-05 | 2005-08-11 | Robert Duffy | Methods of producing antibody conjugates |
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US20070173634A1 (en) | 2006-01-24 | 2007-07-26 | Olsson Nils U | Methods for one-step purification of organic polymers using tangential flow filtration |
US20080220448A1 (en) * | 2006-09-01 | 2008-09-11 | Blincko Stuart J | Antigenic protein conjugates and process for preparing same |
US8207298B2 (en) * | 2008-05-01 | 2012-06-26 | Archemix Corp. | Methods of separating biopolymer conjugated molecules from unconjugated molecules |
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