JP2021518378A - スタノゾロールとヒアルロン酸とのコンジュゲート - Google Patents
スタノゾロールとヒアルロン酸とのコンジュゲート Download PDFInfo
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- JP2021518378A JP2021518378A JP2020550101A JP2020550101A JP2021518378A JP 2021518378 A JP2021518378 A JP 2021518378A JP 2020550101 A JP2020550101 A JP 2020550101A JP 2020550101 A JP2020550101 A JP 2020550101A JP 2021518378 A JP2021518378 A JP 2021518378A
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- stanozolol
- hyaluronate
- hyaluronic acid
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- 238000013268 sustained release Methods 0.000 description 1
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- 210000001258 synovial membrane Anatomy 0.000 description 1
- 125000005207 tetraalkylammonium group Chemical group 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 201000005060 thrombophlebitis Diseases 0.000 description 1
- 230000008467 tissue growth Effects 0.000 description 1
- 230000007838 tissue remodeling Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000029663 wound healing Effects 0.000 description 1
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Abstract
Description
ヒアルロン酸は、滑液の主成分である。粘性補充療法(viscosupplementation)として公知のヒアルロン酸の関節内投与は、安全であり、痛みを軽減し、関節可動性を改善することから、膝及び他の関節の軽度及び中等度の変形性関節症の処置のために幅広い支持を受けている(Henrotin Y, et al., Semin Arthritis Rheum. 2015 Oct;45(2):140-9. doi: 10.1016/j.semarthrit.2015.04.011)。高分子量ヒアルロン酸は、arg1、IL−10及びmrc1などの遺伝子を発現することにより組織修復を刺激するマクロファージ表現型を誘導するように(Rayahin JE, et al., ACS Biomater Sci Eng. 2015 Jul 13;1(7):481-493))、抗炎症特性を有し、軟骨保護効果を発揮する(Bauer C, et al., J Inflamm (Lond). 2016 Sep 13;13(1):31. doi: 10.1186/s12950-016-0139-y)。
− 関節の軟組織及び関節軟骨に望ましくない擦過作用を及ぼす;
− マクロファージ(特に好中球)を血流から関節腔内に誘引し、重篤な炎症反応をもたらす;
− 高いクリアランスが関節腔からのスタノゾロールの迅速で大量の搬出を引き起こす;
− 関節から血流へのスタノゾロールの急激な移動が、標的関節組織への直接作用を限定し、したがってその関節−組織再生の可能性を低下させる;
− 関節腔からのスタノゾロールの迅速な消失により、頻繁な注射が必要となり(滑液中に十分な濃度を維持するために少なくとも週1回の注射が必要である)、これはコンプライアンス及び望ましくない全身副作用(非標的器官に対するホルモンの作用)のリスクから見て明らかな欠点を伴う。
今や、スタノゾロールのヒドロキシル基とエステル結合を形成し、かつ、ヒアルロン酸又はヒアルロン酸塩のカルボキシル基とエステル結合又はアミド結合を形成するスペーサーを介して、スタノゾロールをヒアルロン酸とコンジュゲートすることによって、上記の欠点を解消できることが見出された。
[式中、
n=1〜12であり;
Xは、−O−及び−NH−より選択される二価基であり;
M+は、水素イオン又はアルカリ金属の陽イオンを表し;
基
は、ヒアルロン酸又はそれとアルカリ金属との塩の繰り返し単位を表し、その際、記号*は、X基と結合した該繰り返し単位の炭素原子を示し、
Xは、好ましくは−O−であり、nは、好ましくは2、3、4又は5である]
により表される。
a)ヒアルロン酸又はそのアルカリ塩を対応するテトラアルキルアンモニウム塩に変換する段階であって;出発生成物としてヒアルロン酸のナトリウム塩が好ましくは使用され、有機溶媒中のその溶解度を上げるために、それがテトラアルキルアンモニウム塩、好ましくはテトラブチルアンモニウム塩に変換され;該変換が、テトラブチルアンモニウムヒドロキシドを用いた処理により予めそのテトラブチルアンモニウム型に変換された、アンバーライト(amberlite)などの酸型のイオン交換樹脂により好都合に行うことができる段階;
b)スタノゾロールのピラゾール環のNH基をアミノ保護基で保護して、式(II)
[式中、PGは、下の式(IIa)及び(IIb)
によって表されるように、無差別にピラゾール環の1位又は2位の窒素原子に位置することができる、フルオレニルメトキシカルボニル基などのアミノ保護基を表す]
で示される化合物を与える段階
c)式(II)の化合物を式(III)
A−CO−(CH2)n−Y (III)
[式中、Aはハロゲンであり、nは式(I)で示される化合物の場合と同義であり、Yはハロゲン、好ましくは臭素、又はNH−PG'基であり、PG'は、PGと同じ又は異なり得る一級アミノ保護基である]で示される化合物と反応させて、式(IV)
[式中、PG、n及びYは、上記と同義である]で示される化合物を与える段階であって、反応が、一般的に室温で、クロロホルム又は塩化メチレンなどの溶媒中、ピリジン及び4−ジメチルアミノピリジンなどの有機塩基の存在下で位置異性体(IIa)と(IIb)との混合物をω−ハロゲン−カルボン酸の酸ハロゲン化物と反応させることによって行われる段階;
d)式(IV)[式中、Yはハロゲンである]で示される化合物を、段階a)で得られたヒアルロン酸テトラアルキルアンモニウム塩と反応させて、PG基を同時に除去しながら所望の置換度を有する式(I)[式中、Xは−O−である]で示される化合物をテトラアルキルアンモニウム塩として与える段階であって、式(IV)で示される化合物と該テトラアルキルアンモニウム塩との間の化学量論比が、式(I)で示されるスタノゾロール−ヒアルロン酸コンジュゲートについて所望の置換度を得るための比であり;コンジュゲーション及び保護基の除去が、ジメチルスルホキシド、ジメチルホルムアミド及びN−メチルピロリジノンより選択される溶媒中、室温で操作する一段階で行われる段階;又は
d')式(IV)[式中、Yは段階c)で得られたNH−PG'基である]で示される化合物からPG'基を除去して、式(IVa)
で示される、脱保護された一級アミノ基を有する対応する生成物を与え、それを場合により単離することができ、続いてスタノゾロール−ヒアルロン酸コンジュゲートについて所望の置換度を得るために、式(IVa)(又は化合物(IVa)が単離されない場合は、式IV[式中、YはNH−PG'である])で示される化合物とヒアルロン酸との間の化学量論比を使用して、式(IVa)で示される化合物をヒアルロン酸のカルボキシル基及び縮合剤と反応させる段階であって;反応条件下で、PG基をその場で除去して、所望の置換度を有する式(I)[式中、Xは−NH−である]で示される化合物を酸として与える段階;
e)段階d)又は段階d')で得られた生成物を、所望の置換度を有する酸又は塩の形態の式(I)で示される対応する化合物に変換する段階。
− 歯科、整形外科、眼科若しくは神経学的使用のため、又は形成外科における組織再建のために、種々の程度の粘弾性、靱性及び持続性で、本発明によるコンジュゲートを含浸、それをコーティング又はそれと混合された有機又は無機の、多孔性又は非多孔性のマトリックスからなる足場及び人工組織;
− 低い関節クリアランス、長時間持続性の局所効果、高い耐容性及び擦過作用の欠如によって特徴づけられるスタノゾロールの関節内低放出のための水溶液の状態の長時間作用性医薬;
− 長時間持続性効果を有し、組織に擦過作用又は刺激作用を有しない、スタノゾロールを非結晶形態で緩徐放出する眼科用の水溶液又はエマルジョン形態の医薬;
− 細胞、組織及び器官の人造の分野における体細胞又は幹細胞の規則的な長いホルモン刺激に適した培地;
− 緩徐で規則的な一定のホルモン刺激により、所望の細胞株に向けた幹細胞の分化を案内及び決定し、その増殖(例えば幹細胞からの軟骨組織の生成)を強化することが可能な培地
を調製するために有利に使用することができる。
スタノゾロール(100mg、0.305mmol)をテトラヒドロフラン(2mL)、水(1mL)及びNaHCO3(30mg)の混合物中に懸濁した。該混合物にFmocクロリド(158mg、0.61mmol)を添加し、反応混合物を室温で18時間放置した。次に、テトラヒドロフランを除去し、残ったスラリーを水(10mL)で希釈し、酢酸エチル(20mL)で抽出した。有機層をNaHCO3の5%水溶液(2×20mL)で洗浄し、乾燥させ、溶媒を除去した後、粗生成物をカラムクロマトグラフィー又は結晶化(石油エーテル/EtOAc)により精製した。N−Fmoc−保護スタノゾロールを2種の位置異性体(150mg、90%):(N−(フルオレニルメチルオキシカルボニル)−17a−メチルピラゾール[4',5':2,3]−5a−アンドロスタン−17b−オール及びN−(フルオレニルメチルオキシカルボニル)−17a−メチルピラゾール[3',4':3,2]−5a−アンドロスタン−17b−オールの混合物として得た。
2−Fmoc異性体、選択された1H−NMR共鳴(400MHz, CDCl3): δ 0.78(s, 3H,19-H), 0.88(s, 3H,18-H), 1.23(s, 3H,20-H), 2.12(d, J = 15.5 Hz, 1 H,1-H), 2.38(dd, J = 12.3, 17.1 Hz, 1H, 4-H), 2.70(d, J = 15.8 Hz, 1H, 1-H), 2.77(dd, J = 5.1, 17.1 Hz, 1H, 4-H), 4.44(t, J = xx Hz, 1H, Fmoc), 4.66(d, J = xx Hz, 2H, Fmoc), 7.32(t, J = xx Hz,2H, Fmoc), 7.43(t, J = xx Hz, 2H, Fmoc), 7.66(d, J = xx Hz, 2H, Fmoc), 7.77(s, 1H, 2'H), 7.80(d, J = xx Hz, 2H, Fmoc)
1−Fmoc異性体、選択された1H−NMR共鳴(400MHz, CDCl3): δ 0.67(s, 3H, 19-H), 0.87(s, 3H, 18-H), 1.24(s, 3H, 20-H), 2.50(d, J = 15.7Hz, 1H, 1-H). 2.65(dd, J = 5.0, 17.8 Hz, 1H, 4-H), 4.42(t, J = xx Hz, 1H, Fmoc), 4.75(d, J = xx Hz, 2H, Fmoc), 7.33(m, 2H, Fmoc), 7.41(t, J = xx Hz, 2H, Fmoc), 7.52(s, 1H, 2'-H), 7.69(m, 2H, Fmoc), 7.78(d, J = xx Hz, 2H, Fmoc)。
4−ブロモブチリルクロリド(0.350mg、3.04mmol)及び触媒量のDMAPをCHCl3又はCH2Cl2(7mL)及びピリジン(0.245mL、3.04mmol)中のFmoc−Stano(位置異性体混合物)(480mg、0.87mmol)の溶液に添加し、反応混合物を室温で一晩撹拌した。次に、混合物を5%HCl水溶液(5mL)及び5% NaHCO3(3×10mL)で洗浄し、乾燥させ、真空中で溶媒を除去して、エステルFmoc−Stano−Brを位置異性体の混合物(578mg、95%)として与えた。
ヒアルロナンナトリウムをテトラブチルアンモニウム塩に変換して有機溶媒中のその溶解度を増加させた:2倍過剰(樹脂の容量と比較)のTBAヒドロキシドの40%w/w水溶液と共に40℃で処理することにより酸型アンバーライト樹脂IR−120(Sigma-Aldrich)をテトラブチルアンモニウム(TBA)型に予備変換した。次に、TBA型の樹脂を蒸留水で洗浄して、pH値を8未満に低下させた。次に、室温で40時間撹拌しながら、樹脂(1.1mmol)をHA−Na(0.2mmol、すなわち繰り返し二量体単位のモル)の1〜2%(w/w)水溶液中に移した。樹脂を濾過により除去し、溶液を凍結乾燥させて、HA−TBAを白色固体として得て、それを冷所で保管した。
Claims (8)
- スタノゾロールのヒドロキシル基とエステル結合を形成し、かつ、ヒアルロン酸又はヒアルロン酸塩のカルボキシル基とエステル結合又はアミド結合を形成するスペーサーを介して、スタノゾロールがヒアルロン酸又はヒアルロン酸塩のカルボキシル基とコンジュゲートされている、スタノゾロールとヒアルロン酸又はヒアルロン酸塩との間のコンジュゲート。
- ヒアルロン酸のコンジュゲーション度が、ヒアルロン酸又はその塩の繰り返し二量体単位の数に対して1から90%mol/molの間の範囲である、請求項1に記載のコンジュゲート。
- Xが、基−O−である、請求項3に記載のコンジュゲート。
- 少なくとも1種の担体又は賦形剤と混合された、請求項1〜3のいずれか一項に記載のコンジュゲートを含む医薬組成物及び獣医学的組成物。
- ヒドロゲル、注射可能なヒドロゲル、外用ヒドロゲル、クリーム、ローション、フォーム、関節内使用のための水溶液、眼科用のエマルジョン、又は点眼薬の形態の、請求項5に記載の組成物。
- 請求項1〜3のいずれか一項に記載のコンジュゲートを含む足場、人工組織及び培地。
- 骨軟骨の欠損及び病変、腱及び靱帯の病変、関節組織の変性過程、創傷、びらん、眼病変、物理及び化学熱傷、外傷性病変、血管浮腫又はクインケ浮腫、皮膚血管炎及び血栓性静脈炎の局所処置における使用のための、請求項1〜3のいずれか一項に記載のコンジュゲート。
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IT102018000003841 | 2018-03-21 | ||
IT102018000003841A IT201800003841A1 (it) | 2018-03-21 | 2018-03-21 | Coniugati di stanozololo e acido ialuronico |
PCT/IB2019/052034 WO2019180548A1 (en) | 2018-03-21 | 2019-03-13 | Conjugates of stanozolol and hyaluronic acid |
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US20090202645A1 (en) * | 2008-02-08 | 2009-08-13 | Acme Drugs S.R.L. | Intrasynovial formulations of stanozolol |
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US6107289A (en) * | 1992-04-21 | 2000-08-22 | The Schepens Eye Research Institute, Inc. | Ocular therapy in keratoconjunctivitis sicca using topically applied androgens or TGF-β |
CA2559188C (en) * | 2004-03-05 | 2013-01-08 | Denki Kagaku Kogyo Kabushiki Kaisha | Hyaluronic acid-methotrexate conjugate |
ITMI20061609A1 (it) * | 2006-08-10 | 2008-02-11 | Acme Drugs Srl | Formulazioni intrasinoviali di stanozololo |
EP2894173B1 (en) * | 2012-09-05 | 2017-04-19 | Chugai Seiyaku Kabushiki Kaisha | Hyaluronic acid derivative having amino acid and steryl group introduced thereinto |
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US20090202645A1 (en) * | 2008-02-08 | 2009-08-13 | Acme Drugs S.R.L. | Intrasynovial formulations of stanozolol |
Non-Patent Citations (1)
Title |
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MERO, A. ET AL: "Hyaluronic Acid Bioconjugates for the Delivery of Bioactive Molecules", POLYMERS, vol. 6, JPN6022053980, 2014, pages 346 - 369, XP055398131, ISSN: 0004953727, DOI: 10.3390/polym6020346 * |
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MX2020009680A (es) | 2020-10-12 |
PL3768729T3 (pl) | 2022-05-02 |
SI3768729T1 (sl) | 2022-04-29 |
EP3768729B1 (en) | 2022-01-26 |
RS63033B1 (sr) | 2022-04-29 |
WO2019180548A1 (en) | 2019-09-26 |
DK3768729T3 (da) | 2022-02-07 |
KR102709660B1 (ko) | 2024-09-26 |
CA3094277A1 (en) | 2019-09-26 |
PT3768729T (pt) | 2022-03-11 |
IT201800003841A1 (it) | 2019-09-21 |
IL277319B2 (en) | 2024-02-01 |
KR20200135824A (ko) | 2020-12-03 |
LT3768729T (lt) | 2022-05-25 |
CN111868097A (zh) | 2020-10-30 |
EP3768729A1 (en) | 2021-01-27 |
HRP20220166T1 (hr) | 2022-04-29 |
IL277319A (en) | 2020-10-29 |
IL277319B1 (en) | 2023-10-01 |
US20210038735A1 (en) | 2021-02-11 |
CY1124939T1 (el) | 2023-01-05 |
ES2908887T3 (es) | 2022-05-04 |
CN111868097B (zh) | 2023-06-06 |
AU2019240175A1 (en) | 2020-11-12 |
HUE058230T2 (hu) | 2022-07-28 |
AU2019240175B2 (en) | 2024-05-02 |
US11013813B2 (en) | 2021-05-25 |
JP7301392B2 (ja) | 2023-07-03 |
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