JP5717650B2 - トシラート前駆体からの18f−放射性標識スチリルピリジンおよびその安定性医薬組成物の合成 - Google Patents
トシラート前駆体からの18f−放射性標識スチリルピリジンおよびその安定性医薬組成物の合成 Download PDFInfo
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- JP5717650B2 JP5717650B2 JP2011543721A JP2011543721A JP5717650B2 JP 5717650 B2 JP5717650 B2 JP 5717650B2 JP 2011543721 A JP2011543721 A JP 2011543721A JP 2011543721 A JP2011543721 A JP 2011543721A JP 5717650 B2 JP5717650 B2 JP 5717650B2
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- A61K51/02—Preparations containing radioactive substances for use in therapy or testing in vivo characterised by the carrier, i.e. characterised by the agent or material covalently linked or complexing the radioactive nucleus
- A61K51/04—Organic compounds
- A61K51/041—Heterocyclic compounds
- A61K51/044—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine, rifamycins
- A61K51/0455—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine, rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
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Description
本出願は、合衆国法典第35巻第119(e)条に基づき、2008年12月31日に出願された米国仮特許出願番号第61/141,885号の優先権を主張し、その開示内容はすべて、参照により本明細書に組み込まれる。
本発明は、一般には18F-放射性標識化された脳造影剤の合成法、さらに具体的には18F-放射性標識化されたスチリルピリジンおよびそのトシラート前駆体を合成する方法、および18F-放射性標識化された脳造影剤を含む安定した医薬組成物に関する。
本発明の実施形態は、有効量の18F-放射性標識化合物、約1.0%から約20%(v/v)のエチルアルコール、および少なくとも約0.1%(w/v)のアスコルビン酸またはその塩を有する脳の神経変性疾患の陽電子放出断層撮影法(PET)用の放射性医薬組成物を対象とする。様々な実施形態において、18F-放射性標識化合物は患者の脳内の病的標的に結合できる。病的標的は、自然にまたは病理学的に変化したタンパク質、ペプチド、またはオリゴヌクレオチド、β-アミロイド、α-シヌクレイン、または水疱性モノアミン輸送体2(VMAT2)の異常集中を含み得る。
説明されている特定の組成物または方法論は異なり得るため、本発明はこれらに限られない。さらに、本説明中で使用されている用語は特定のバージョンまたは実施形態を説明するものであり、本発明の範囲を限定することを意図していない。別途定義されていない限り、本明細書中で使用されているすべての技術用語および科学用語は本分野において当業者により一般的に理解されるものと同じ意味を持つ。不一致がある場合、定義を含め、本特許出願明細書が優先される。
本明細書中で開示される発明をより効率的に理解するために、以下の実施例が提供されている。これらの実施例は例証のみを目的とし、如何なる方法によっても本発明を限定するものとは解釈すべきではない。
実施例1.0. AV-105トシラート前駆体の18F-AV-45への合成
実施例1.1. tert-ブチル4-ビニルフェニルカルバミン酸塩
実施例1.2. tert-ブチルメチル(4-ビニルフェニル)カルバミン酸塩
実施例1.3. 2-(2-(2-(5-ヨードピリジン-2-イルオキシ)エトキシ)エトキシ)エタノール
実施例1.4. (E)-tert-ブチル4-(2-(6-(2-(2-(2-ヒドロキシエトキシ)エトキシ)エトキシ)ピリジン-3-イル)ビニル)フェニル(メチル)カルバミン酸塩
実施例1.5. (E)-2-(2-(2-(5-(4-(tert-ブトキシカルボニル(メチル)アミノ)スチリル)ピリジン-2-イルオキシ)エトキシ)エトキシ)エチル4-メチルベンゼンスルホナート(AV-105)
実施例2.0. AV-105からの18F-AV-45の放射性合成
実施例3.0. 19F-AV-45を可溶化および18F-AV-45を安定化させるための製剤
表1. 合成終了(EOS)時の18F-AV-45注射の放射化学純度率分析
表2. 18F-AV-45注射における19F-AV-45の合成終了(EOS)時およびEOSから2時間後のUV純度分析*
表3. アスコルビン酸ナトリウム0.5%で製造および製剤された18F-AV-45注射の長期安定性
Claims (7)
- 脳の神経変性疾患の陽電子放出断層撮影(PET)を造影するための放射性医薬組成物であって、
有効量の((E)-4-(2-(6-(2-(2-(2-[18F]フルオロエトキシ)エトキシ)エトキシ)ピリジン-3-イル)ビニル)-N-メチルベンゼンアミン)(18F-AV-45)、
全組成物の少なくとも10%(v/v)のエチルアルコール、および
全組成物の90%v/vの0.9%食塩溶液、ここで、該食塩溶液は0.5%w/vのアスコルビン酸ナトリウムを含む、を含む放射性医薬組成物であって、((E)-4-(2-(6-(2-(2-(2-[ 18 F]フルオロエトキシ)エトキシ)エトキシ)ピリジン-3-イル)ビニル)-N-メチルベンゼンアミン)( 18 F-AV-45)が8〜10時間にわたり放射線分解に対して安定である、放射性医薬組成物。 - ((E)-4-(2-(6-(2-(2-(2-[18F]フルオロエトキシ)エトキシ)エトキシ)ピリジン-3-イル)ビニル)-N-メチルベンゼンアミン)がトシラート前駆体から生成される請求項1記載の放射性医薬組成物。
- 放射性医薬組成物のpHが4.5から8.0までの範囲内であるところの、請求項1または2に記載の放射性医薬組成物。
- 放射性医薬組成物が、合成終了から少なくとも12時間後の測定時に全組成物の90%またはそれ以上の18F-放射性標識化合物を含む請求項1に記載の放射性医薬組成物。
- 認知症、認知障害、アルツハイマー病、パーキンソン病、レビー小体型認知症、および血管性認知症の少なくとも一つの神経変性疾患の診断で使用するための請求項1記載の放射性医薬組成物。
- 患者の神経変性疾患を診断するための方法において使用される放射性医薬組成物であって、
放射性医薬組成物を投与する手順、
標的が位置すると予期される領域を含む患者の脳の少なくとも一部を造影する手順、および
標的を検出する手順を含むことを特徴とする、請求項1〜5のいずれかに記載の放射性医薬組成物。 - 造影手順が、陽電子放出断層撮影法(PET)、コンピュータ断層撮影と同時のPET(PET/CT)、磁気共鳴画像法と同時のPET(PET/MRI)、またはその組み合わせを含む、請求項6記載の放射性医薬組成物。
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US14188508P | 2008-12-31 | 2008-12-31 | |
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PCT/US2009/069741 WO2010078370A1 (en) | 2008-12-31 | 2009-12-29 | Synthesis of 18f-radiolabeled styrylpyridines from tosylate precursors and stable pharmaceutical compositions thereof |
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WO2013057199A1 (en) | 2011-10-19 | 2013-04-25 | Piramal Imaging Sa | IMPROVED METHOD FOR PRODUCTION OF F-18 LABELED Aß LIGANDS |
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ES2864825T3 (es) * | 2015-11-13 | 2021-10-14 | Lilly Co Eli | Derivados de azetidina para la obtención de imágenes Tau |
US10765763B2 (en) | 2016-03-09 | 2020-09-08 | Case Western Reserve University | Radioligands for myelin |
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CN109922837A (zh) * | 2016-11-08 | 2019-06-21 | 加利福尼亚大学董事会 | 用于临床应用的[f-18]fddnp的多剂量合成方法 |
TW201906818A (zh) * | 2017-05-31 | 2019-02-16 | 美商511製藥公司 | 新穎氘取代之正子發射斷層掃描(pet)顯影劑及其藥理應用 |
SG11202006233XA (en) * | 2018-01-24 | 2020-08-28 | Ac Immune Sa | Diagnostic compositions for pet imaging, a method for manufacturing the diagnostic composition and its use in diagnostics |
CN111499544B (zh) * | 2019-01-31 | 2022-12-02 | 中国医学科学院放射医学研究所 | 一种一锅法制备N-Boc-N-甲基-4-氨基苯乙烯的合成方法 |
CN111499570B (zh) * | 2019-01-31 | 2023-05-16 | 中国医学科学院放射医学研究所 | 一种av-45中间体的合成方法 |
CN113766952B (zh) * | 2019-03-29 | 2023-09-08 | 国立研究开发法人量子科学技术研究开发机构 | 放射性药品的制造方法及放射性药品 |
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CN113582885B (zh) * | 2021-08-30 | 2023-04-21 | 南京克米斯璀新能源科技有限公司 | 一种烷基磺酸钠的生产方法 |
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JP2007525211A (ja) * | 2004-01-19 | 2007-09-06 | テクニオン リサーチ アンド ディベロップメント ファウンデーション リミテッド | パーキンソン病の診断検査 |
EP2213652B1 (en) * | 2004-12-17 | 2014-10-22 | The Trustees of The University of Pennsylvania | Stilbene derivatives and their use for binding and imaging amyloid plaques |
EP2363391A1 (en) * | 2006-03-30 | 2011-09-07 | The Trustees of The University of Pennsylvania | Styrylpyridine derivatives and their use for binding and imaging amyloid plaques |
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