JP2015526499A - 光力学療法における使用のためのピリジノン化合物 - Google Patents
光力学療法における使用のためのピリジノン化合物 Download PDFInfo
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- 125000005931 tert-butyloxycarbonyl group Chemical group [H]C([H])([H])C(OC(*)=O)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000820 toxicity test Toxicity 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- HUHWZXWWOFSFKF-UHFFFAOYSA-N uroporphyrinogen-III Chemical compound C1C(=C(C=2CCC(O)=O)CC(O)=O)NC=2CC(=C(C=2CCC(O)=O)CC(O)=O)NC=2CC(N2)=C(CC(O)=O)C(CCC(=O)O)=C2CC2=C(CCC(O)=O)C(CC(O)=O)=C1N2 HUHWZXWWOFSFKF-UHFFFAOYSA-N 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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Abstract
Description
本発明は、新規化合物、その調製および使用、ならびにこの化合物を含む組成物に関する。
光力学療法(PDT)は、表在性皮膚悪性病変の治療において日常的に採用される療法であり、一連のさらなる腫瘍型に関して調査中である。PDTの大半の用途は、光感作剤として知られる活性化合物と、感作剤を励起して、活性酸素種を生成するのに適切であるように選択され得る波長の光源の使用とを伴う。これは、光感作剤を選択的に取り込んだか、または局所的に露光されたかのいずれかの任意の組織の破壊をもたらす。
本発明の第1の態様によると、式(I):
R1は、C1−C6アルキル基であり、
R2は、H、またはC1−C6アルキル基であり、
R3は、H、またはC1−C6アルキル基であり、
nは、0〜5の整数である。
R1、R2、R3、およびnは、上に定義される通りであり、
各X−は独立して、一価の対イオンから選択される。
(a)エステル化反応を介して式(II)の化合物を式(III)の化合物と反応させて、式(IV)の化合物を形成するステップであり、以下の反応スキーム:
RPG1およびRPG2は、保護基である。
RPG2は、一級アミン保護基である。一級アミン保護基は、当業者に周知であり、上述のもの等の標準的な教本に列挙されている。
(b2)酸H+X−の存在下で式(IV)の化合物を脱保護し、式(Ia)の塩を得るステップであり、以下の反応スキーム:
(b3)酸H+X−の存在下で式(IV)の化合物を脱保護し、式(Ib)の塩を得るステップであり、以下の反応スキーム:
AP2−18(8)の合成は、ベニルオキシカルボニル保護されたアミノレブリン酸5のCP94類似化合物6とのカップリングを介して達成された。
塩基条件下でALA.HCl(4)(Sigma−Aldrichから入手)をベンジルクロロホルメートに曝露することにより、ALA誘導体5を合成し、ベンジルオキシ保護されたALA5を得た。
1A.ALA誘導体5
ALA誘導体5は、例えば、Neuberger A.et al.,Biochemistry Journal,1956,64,137−145の手順を介して得ることができる既知の化合物である。
1B.CP94類似化合物6
CP94類似化合物6は、以前に公開された手順(Dobbin,P.S.,et al.,J Med Chem,1993.36(17):p.2448−58、Liu,Z.D.et al.,J.Pharm.Pharmacol,1999,51,555−564により調製された。
1C.2−(3−(ベンジルオキシ)−2−エチル−4−オキソピリジン−1(4H)−イル)エチル5−(ベンジルオキシカルボニルアミノ)−4−オキソペンタノアート,7
化合物CP94(3)は、以前に公開された手順(Dobbin,P.S.,et al.,J Med Chem,1993.36(17):p.2448−58)により調製された。以下に示されるように、エチルマルトール(1)を、ベンジル保護し、アミン化し、2を得、水素化分解により脱保護し、CP94(3)を得た。
NB:特に明記しない限り、提示される全てのデータは、各々が各条件の内部反復からなる3つの独立した実験の平均である。
化合物AP2−18(8)が固有の毒性特性を保有するかを確立するために、1000μMの試験溶液を、標準的な細胞培養培地(1%(v/v)のウシ胎児血清(FBS)、200mMのL−グルタミン、200U mL−1のペニシリン、および200μg mL−1のストレプトマイシンを含む最小必須培地(MEM))中で調製した(この研究において試験される最高濃度)。これを、減少した光条件下でMRC−5(ヒト胚性肺線維芽細胞)細胞に適用し、暗所で4時間(皮膚PDT診療所で使用されたものと同等であるため、この時間期間が選択された)放置し、この後、ニュートラルレッド取り込み(NRU)アッセイを用いて、細胞生存率が決定された。ニュートラルレッドは、非生存可能細胞によって行われることが不可能である作用である、生存可能(生存)細胞によって積極的に取り込まれ、選別される不活性色素であり、したがって、取り込まれたニュートラルレッドのレベルは、所与の曝露後に存在する生存可能な細胞の数と正比例する。色素の取り込み後、細胞を溶解し、プレートリーダーを用いて、ニュートラルレッドのレベルを定量化した。
プロトポルフィリンIX(PpIX)蓄積のレベルは、Blake,E.et al.,Photochem Photobiol,2011,87(6),1419−26、Blake,E.et al.,Photochem Photobiol,2010,86(5),1154−60、Curnow,A.et al.,J Environ Pathol Toxicol Oncol,2007,26(2),89−103、およびPye,A.et al.,J Cancer Res Clin Oncol,2008,134(8),841−9に記載される、十分に確立された以前に検証された蛍光に基づくアッセイを用いて監視された。
PpIX誘発PDTの有効性に対するAP2−18(8)の作用を評価するために、同じ3つの細胞型が等モル濃度のALA、ALAおよびCP94(3)、MAL、MAL、およびCP94(3)ならびにAP2−18(8)(前述のように)に曝露され、暗所で4時間インキュベートされた。次に、赤色光(37J/cm2;635±2nm;Aktilite,Galderma,UK)で照射する前に、PpIX蓄積のレベルを前と同じように定量化した。照射直後に残ったPpIXのレベルも確認し、PpIXレベルにおける変化(PpIX光漂白)がパーセントで計算された(図5A、6A、および7A)。次いで、NRUアッセイを用いて(前述の通り)細胞生存率が評価され、これらのデータは、ブランク対照細胞(通常の細胞培地に曝露された)に対して基準化され、生存可能細胞のパーセントとして表される(図5B、6B、および7B)。後に行われた統計分析の結果は、それぞれ、図5C、6C、および7Cに提示される。
ヒト上皮性扁平上皮癌細胞(A431)を、等モル濃度のALA、ALAおよびCP94(3)、MAL、MALおよびCP94(3)、ならびにAP2−18(8)に曝露し(上述の通り)、2、3、または4時間、暗所でインキュベートした。次いで、PpIX蓄積のレベルを測定した。結果は、下の表10に示され、図8A(ALA、ALA、およびCP94(3))、図8B(MAL、MAL、およびCP94(3))、ならびに図8C(CP94(3))に示される。図9は、細胞が化合物(複数可)と共に2時間(図9A(i))、3時間(図9B(i))、および4時間(図9C(i))インキュベートされた後、ALA、ALAおよびCP94(3)、MAL、MALおよびCP94(3)、ならびにAP2−18(8)に曝露された後のヒト上皮性扁平上皮細胞癌細胞(A431)において測定したPpIX蓄積のレベルを比較する。各インキュベーション期間の対応する統計分析の結果は、図9A(ii)(2時間)、図9B(ii)(3時間)、図9C(ii)(4時間)に表される。
Claims (20)
- 式(I):
R1が、C1−C6アルキル基であり、
R2が、H、またはC1−C6アルキル基であり、
R3が、H、またはC1−C6アルキル基であり、
nが、0〜5の整数である。]
の化合物、またはその任意の塩。 - 請求項1に定義される式(I)の化合物、式(Ia)の塩、または式(Ib)の塩:
R1、R2、R3、およびnが、請求項1に定義される通りであり;
各X−が独立して、一価の対イオンから選択される。]
である、請求項1に記載の化合物。 - X−が、Cl−である、請求項2に記載の化合物。
- R1が、エチルであり、R2およびR3が、Hであり、nが、1である、請求項1〜3のいずれか一項に記載の化合物。
- 請求項1〜4のいずれか一項に記載の化合物、および薬学的に許容される担体を含む医薬組成物。
- 請求項1〜4のいずれか一項に記載の化合物の製造方法であって、以下のステップ:
(a)以下の反応スキーム:
R1、R2、R3、およびnが、請求項1に定義される通りであり;
RPG1およびRPG2が、保護基である]
に従って、エステル化反応を介して式(II)の化合物を式(III)の化合物と反応させて、式(IV)の化合物を形成すること、
を含む、方法。 - (b1)以下の反応スキーム:
- (b2)以下の反応スキーム:
- (b3)以下の反応スキーム:
- 療法に使用するための、請求項1〜4のいずれか一項に記載の化合物。
- 光力学療法に使用するための、請求項1〜4のいずれか一項に記載の化合物。
- 前記化合物が、光力学療法による、細胞の異常増殖により生じる、および/または悪化する症状の治療に使用するためのものである、請求項11に記載の化合物。
- 前記化合物が、光力学療法による、癌の治療に使用するためのものである、請求項11に記載の化合物。
- 前記化合物が、光力学療法による、強皮症、硬化性苔癬、乾癬、疣、慢性創傷、座瘡、微生物感染、寄生虫の寄生、または関節リウマチの治療に使用するためのものであるか、または前記化合物が、白血病の治療において、光力学療法による骨髄浄化に使用するためのものである、請求項11に記載の化合物。
- 美容目的のための光力学治療における、請求項1〜4のいずれか一項に記載の化合物の使用。
- ヒトまたは動物の身体に対して実施される診断方法において使用するための、請求項1〜4のいずれか一項に記載の化合物。
- 前記診断方法が、細胞の異常増殖により生じる、および/または悪化する症状を診断する方法である、請求項16に記載の使用のための化合物。
- インビトロ診断方法における、請求項1〜4のいずれか一項に記載の化合物の使用。
- 細胞の異常増殖により生じる、および/または悪化する症状の、光力学療法による治療のための薬剤の製造のための、請求項1〜4のいずれか一項に記載の化合物の使用。
- 細胞の異常増殖により生じる、および/または悪化する症状に罹患する、または罹患するリスクのあるヒトまたは動物患者を治療する方法であって、請求項1〜4のいずれか一項に記載の治療有効量の化合物を、前記患者に投与することと、前記化合物を含む前記患者の領域を、光力学療法の一部として露光することと、を含む、方法。
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CN112062713B (zh) * | 2020-08-04 | 2023-03-31 | 浙江工业大学 | 具铁螯合性和pdt活性的ala-hpo杂合衍生物及其制备方法与应用 |
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2013
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- 2013-09-02 RU RU2015111137A patent/RU2015111137A/ru not_active Application Discontinuation
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- 2013-09-02 CA CA2883754A patent/CA2883754A1/en not_active Abandoned
- 2013-09-02 KR KR1020157008471A patent/KR20150068374A/ko not_active Application Discontinuation
- 2013-09-02 US US14/425,385 patent/US9346758B2/en active Active
- 2013-09-02 WO PCT/GB2013/052297 patent/WO2014033477A1/en active Application Filing
- 2013-09-02 CN CN201380053228.0A patent/CN104718190B/zh not_active Expired - Fee Related
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- 2013-09-02 EP EP13771564.5A patent/EP2892881B1/en not_active Not-in-force
- 2013-09-02 JP JP2015529127A patent/JP2015526499A/ja active Pending
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JPH07500120A (ja) * | 1992-08-12 | 1995-01-05 | ビーティージー・インターナショナル・リミテッド | 薬剤組成物 |
JP2000510123A (ja) * | 1996-05-08 | 2000-08-08 | ニューヨーク・ブラッド・センター・インコーポレイテッド | ウイルス感染の治療方法 |
JP2004505105A (ja) * | 2000-07-27 | 2004-02-19 | フォトキュア エイエスエイ | 光化学治療における光増感剤としての5−アミノレブリン酸のエステル |
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PHOTOCHEMISTRY AND PHOTOBIOLOGY, vol. Vol.86(5), JPN6017023387, 2010, pages 1154 - 1160, ISSN: 0003585910 * |
Also Published As
Publication number | Publication date |
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GB201215675D0 (en) | 2012-10-17 |
CN104718190A (zh) | 2015-06-17 |
KR20150068374A (ko) | 2015-06-19 |
AU2013308197B2 (en) | 2018-02-01 |
ZA201502153B (en) | 2017-07-26 |
SG11201501604TA (en) | 2015-05-28 |
CN104718190B (zh) | 2017-03-08 |
BR112015004732A2 (pt) | 2018-04-17 |
MX2015002705A (es) | 2015-12-01 |
IN2015DN02514A (ja) | 2015-09-11 |
US9346758B2 (en) | 2016-05-24 |
EP2892881B1 (en) | 2017-07-19 |
WO2014033477A1 (en) | 2014-03-06 |
AU2013308197A1 (en) | 2015-04-09 |
CA2883754A1 (en) | 2014-03-06 |
EP2892881A1 (en) | 2015-07-15 |
US20150210642A1 (en) | 2015-07-30 |
RU2015111137A (ru) | 2016-10-20 |
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