JP2018523657A - 画像化のためのニトロキシドを含むアミロイド結合剤およびその治療的使用 - Google Patents
画像化のためのニトロキシドを含むアミロイド結合剤およびその治療的使用 Download PDFInfo
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- JP2018523657A JP2018523657A JP2018504871A JP2018504871A JP2018523657A JP 2018523657 A JP2018523657 A JP 2018523657A JP 2018504871 A JP2018504871 A JP 2018504871A JP 2018504871 A JP2018504871 A JP 2018504871A JP 2018523657 A JP2018523657 A JP 2018523657A
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Abstract
Description
本願は、その全体が参考として本明細書に援用される、2015年8月18日に出願された米国仮出願第62/206,706号に基づく優先権の利益を主張する。
この業績は、国立衛生研究所からの助成金番号P30 AG010129によって支援された。連邦政府は、本願発明に一定の権利を有する。
X-(Y)n (I)
の構造を有する化合物の有効量を、該化合物がアミロイドに結合するように対象に投与することを含む、アミロイドを画像化する方法を提供する。式IのXはアミロイドβ結合性化合物である。式IのYはニトロキシドである。下付き文字nは1〜3の整数でありうる。この方法は、アミロイドに結合した化合物を検出し、それによってアミロイドを画像化することをさらに含む。
X-(Y)n (I)
(式中、式IのXは、アミロイドβ結合性化合物であり、式IのYはニトロキシドであり、下付き文字nは1〜3の整数でありうる)の化合物を含む、アミロイドを画像化するための診断用組成物を提供する。
本発明は、ニトロキシドスピン標識されたアミロイドβ結合性化合物を対象に投与し、アミロイドに結合した化合物を検出することによりアミロイドを画像化する方法を提供する。また、本発明は、アミロイドに結合することが可能なニトロキシドスピン標識された化合物も提供する。
本明細書中に使用される省略形は、化学および生物学の分野におけるそれらの従来の意味を有する。
本発明は、アミロイドを画像化するいくつかの方法を提供する。この方法は、構造:
X-(Y)n (I)
(式中、式IのXは、アミロイドβ結合性化合物であり、式IのYはニトロキシドであり、下付き文字nは1〜3の整数である)を有する化合物の有効量を、該化合物がアミロイドに結合するように対象に投与することを含む。投与は、該化合物がアミロイドに結合するように行う。この方法は、アミロイドに結合した化合物を検出し、それによってアミロイドを画像化することをさらに含む。いくつかの実施形態では、式Iのnは1である。いくつかの実施形態では、nは2である。いくつかの実施形態では、nは3である。
RaおよびRbはそれぞれ独立してH又はC1-4アルキルでありえて; ZはI、123I、125I、131I、Br、76Br、77Br、F、18F、又は-O-トシルでありえて;かつ、qは2〜5の整数でありうる)でありうる。
R2は、OH、アルキル、アルコキシ、又はハロアルコキシでありうる。いくつかの実施形態では、R2は、OH、OCH3、OCH2CH3、OCH2CH2F、CH3、又は(OCH2CH2)3F)でありうる)でありうる。
R2は、OH、アルキル、アルコキシ、又はハロアルコキシでありうる。いくつかの実施形態では、R2は、OH、OCH3、OCH2CH3、OCH2CH2F、CH3、又は(OCH2CH2)3Fでありうる。)でありうる。
ここで、R1およびR2のうち少なくとも一方は、ニトロキシドである。)を有する。
ここで、R1およびR2のうち少なくとも一方は、ニトロキシドである。)でありうる。
ここで、R1およびR2のうち少なくとも一方は、ニトロキシドである。)である。
ここで、R1およびR2のうち少なくとも一方は、ニトロキシドである。)でありうる。
いくつかの実施形態では、本発明は、いくつかのニトロキシドスピン標識アミロイド結合性化合物を提供する。いくつかの実施形態では、本発明は、構造:
式IIのR1およびR2はそれぞれ独立してH又はニトロキシドでありうる。ニトロキシドは:
ここで、R1およびR2のうち少なくとも一方は、ニトロキシドである。)を有する化合物を提供する。
ここで、R1およびR2のうち少なくとも一方は、ニトロキシドである。
R2は、OH、OCH3、OCH2CH3、OCH2CH2F、CH3、又は(OCH2CH2)3Fでありうる。)を有する化合物を提供する。
R2は、OH、OCH3、OCH2CH3、OCH2CH2F、CH3、又は(OCH2CH2)3Fでありうる。 別の実施形態では、R2は、OH、Me、OCH3、OCH2CH3、OCH2CH2F、CH3、又は(OCH2CH2)3Fでありうる。)を有する化合物を提供する。
R2は、OH、OCH3、OCH2CH3、OCH2CH2F、CH3、又は(OCH2CH2)3Fでありうる。別の実施形態では、R2は、OH、Me、OCH3、OCH2CH3、OCH2CH2F、CH3、又は(OCH2CH2)3Fでありうる。)を有する化合物を提供する。
RaおよびRbはそれぞれ独立してHおよびC1-4アルキルでありうる。)を有する化合物を提供する。
R2は、OH、OCH3、OCH2CH3、OCH2CH2F、CH3、又は(OCH2CH2)3Fでありうる。別の実施形態では、R2は、OH、Me、OCH3、OCH2CH3、OCH2CH2F、CH3、又は(OCH2CH2)3Fでありうる。)を有する化合物を提供する。
本発明は、アミロイドを画像化するための診断用組成物を提供する。該組成物は、
X-(Y)n (I)
(式中、
Xは、アミロイドβ結合性化合物であり、Yはニトロキシドであり、かつ、nは1〜3の整数である)
の構造を有する化合物を含有する。本発明の化合物および組成物は、経口、非経口および局所的方法を含む任意の好適な手段によって送達され得る。局所的経路による経皮的投与方法は、アプリケータースティック、溶液、懸濁液、エマルジョン、ゲル、クリーム、軟膏、ペースト、ゼリー、ペイント、パウダーおよびエアロゾルとして製剤化され得る。
本発明の組成物は、多種多様の経口、非経口および局所的剤形で調製され得る。経口調製物としては、患者による経口摂取に適した、錠剤、丸剤、散剤、糖衣錠、カプセル剤、液体、舐剤、カシェ剤、ゲル、シロップ剤、スラリー、懸濁液などが挙げられる。本発明の組成物はまた、注射によって、すなわち、静脈内に、筋肉内に、皮内に、皮下に、十二指腸内に、腹腔内に、脳内に、くも膜下腔内に、脊髄内に、または動脈内に、投与され得る。また、本明細書中に記載される組成物は、吸入によって、例えば、鼻腔内に投与され得る。さらに、本発明の組成物は、経皮的に投与され得る。本発明の組成物は、眼内経路、膣内経路および直腸内経路(坐剤を含む)、ガス注入、散剤およびエアロゾル製剤によっても投与され得る(例えば、ステロイド吸入剤について、Rohatagi 1995 J. Clin. Pharmacol. 35:1187 and Tjwa 1995 Ann. Allergy Asthma Immunol. 75:107を参照のこと)。したがって、本発明は、医薬的に許容され得るキャリアまたは賦形剤および本発明の化合物を含む医薬的組成物も提供する。
いくつかの実施形態において、本発明は、障害を処置する方法を提供し、その方法は、そのような処置を必要とする被験体に、治療有効量の本発明の化合物を投与し、それによって、その障害を処置する工程を含む。いくつかの実施形態において、本発明の化合物は、アルツハイマー病を治療するか、または回復するのに有用なニトロキシドスピン標識アミロイドβ結合性化合物である。該作用物質は、寿命を延長することを目指して、または症状を低減することを目的として与えられてもよい。いくつかの実施形態において、有効量のニトロキシドスピン標識アミロイドβ結合性化合物を用いた治療は、アミロイドを形成するタンパク質の凝集を妨害する。いくつかの実施形態において、該妨害は、新しいオリゴマー、プラーク、または原繊維の形成を予防する。いくつかの実施形態において、該妨害は、既存のオリゴマー、プラーク、または原繊維の構造を変更する。
以下の実施例の構造を、CambridgeSoft ChemDrawネーミングパッケージを使用した標準的なIUPAC命名法に従って命名する。
イミダゾール-7-カルボキサミドラジカル
イミダゾール-7-カルボキサミドラジカル
固形物を、濾過によって回収し、水で、そして、水中の70%エタノールで洗浄し、および真空によって乾燥させて、茶色がかった固形物として(E)-4-(4-アミノスチリル)フェノールを得た。エタノール(1.5mL)および無水THF(0.8mL)の混合物中の(E)-4-(4-アミノスチリル)フェノール(7.6mg、0.0357mmol)、(1-オキシル-2,2,5,5-テトラメチル-Δ3-ピロリン)ホルムアルデヒド(6mg、0.0357mmol)およびp-トルエンスルホン酸(1mg、0.0058mmol)の懸濁液を、溶液が透明になるまで5分間超音波処理し、室温にてさらに15分間撹拌した。得られた溶液を氷水バスで冷ました後に、NaBH4(27mg、0.714mmol)を加えた。その混合物を室温にて一晩撹拌した後に、水(20mL)を加えた。沈殿物を、遠心分離後に回収し、SL-Res1の合成に記載の勾配を使用したHPLC精製のために、水(0.05%のTFAを含む)中の80%アセトニトリルで再溶解した。溶出液を、回収し、凍結乾燥して、こげ茶色の粉末としてSL-G8を得た。化学的同一性を、Orbitrap ESI-MSを用いて、C23H27N2O2の計算値:363.21、実測値:364.22、365.22で確認した。
平均不確実性を標準誤差として示す。
Claims (27)
- アミロイドを画像化する方法であって、式I:
X-(Y)n (I)
(式中、
Xは、アミロイドβ結合性化合物であり;
Yはニトロキシドであり;かつ、
nは1〜3の整数である)
の構造を有する化合物の有効量を、該化合物がアミロイドに結合するように対象に投与すること;および、
アミロイドに結合した化合物を検出し、それによってアミロイドを画像化することを含む、方法。 - 前記検出は、前記投与に続き少なくとも60分行う、請求項1に記載の方法。
- 前記検出は、核磁気共鳴画像法(MRI)、電子常磁性共鳴(EPR)、陽電子放射断層撮影(PET)、又は電子スピン共鳴顕微鏡法(ESRM)の少なくとも1つを含む、請求項1に記載の方法。
- 前記アミロイドは、アミロイドβ凝集体を含む、請求項1に記載の方法。
- 前記アミロイドβ結合性化合物は、
RaおよびRbはそれぞれ独立してH又はC1-4アルキルであり;
ZはI、123I、125I、131I、Br、76Br、77Br、F、18F、および-O-トシルからなる群より選択され;かつ、
qは2〜5の整数である)
からなる群より選択される、請求項1に記載の方法。 - 前記ニトロキシドは、
- 前記化合物は、
R2は、OH、OCH3、OCH2CH3、OCH2CH2F、CH3、および(OCH2CH2)3Fからなる群より選択される)
からなる群より選択される、請求項1に記載の方法。 - 前記化合物は、構造:
R1は、メチル又は
R2は、プロピルアミン又は
を有する、請求項1に記載の方法。 - 前記化合物は、
R1、R2、およびR3は、それぞれ独立して
- 前記化合物は、
R1およびR2はそれぞれ独立してH又は
ここで、R1およびR2のうち少なくとも一方は、ニトロキシドである)
からなる群より選択される、請求項1に記載の方法。 - 前記化合物は、
R1およびR2はそれぞれ独立してH、
ここで、R1およびR2のうち少なくとも一方は、ニトロキシドである)
からなる群より選択される、請求項1に記載の方法。 - 前記化合物は、
からなる群より選択される、請求項1に記載の方法。 - 前記化合物は、構造:
- 前記化合物は、
- 前記化合物は、
- 前記化合物は、
- 前記対象は、治療目的で前記化合物を受けていない、請求項1に記載の方法。
- 式II:
R1およびR2はそれぞれ独立してH又は
ここで、R1およびR2のうち少なくとも一方は、ニトロキシドである。)を有する化合物。 - 前記化合物は、
- 式:
ここで、R1およびR2のうち少なくとも一方は、ニトロキシドである)を有する化合物。 - 前記化合物は、
- 式:
R2は、OH、OCH3、OCH2CH3、OCH2CH2F、CH3、および(OCH2CH2)3Fからなる群より選択される)を有する化合物。 - 式:
R2は、OH、OCH3、OCH2CH3、OCH2CH2F、CH3、および(OCH2CH2)3Fからなる群より選択される)を有する化合物。 -
- 式I:
X-(Y)n (I)
(式中、
Xは、アミロイドβ結合性化合物であり;
Yはニトロキシドであり;かつ、
nは1〜3の整数である)
の化合物を含む、アミロイドを画像化するための診断用組成物。 - 疾患を治療するための方法であって、請求項18〜23のいずれか1項に記載の化合物の治療的有効量を、前記疾患の治療を必要とする対象に投与することを含む方法。
- 前記疾患は、アルツハイマー病である、請求項26に記載の方法。
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US10478513B2 (en) | 2019-11-19 |
CN107949383B (zh) | 2022-08-23 |
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WO2017031239A1 (en) | 2017-02-23 |
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AU2016308189A1 (en) | 2018-02-22 |
JP7114074B2 (ja) | 2022-08-08 |
AU2021203794A1 (en) | 2021-07-08 |
US20220202962A1 (en) | 2022-06-30 |
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AU2016308189B2 (en) | 2021-03-11 |
EP3337475B1 (en) | 2024-10-02 |
US10881748B2 (en) | 2021-01-05 |
US12064488B2 (en) | 2024-08-20 |
CN107949383A (zh) | 2018-04-20 |
KR20180052611A (ko) | 2018-05-18 |
EP3337475A4 (en) | 2019-04-10 |
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