CN111777596A - 吲哚酮化合物及其用途 - Google Patents
吲哚酮化合物及其用途 Download PDFInfo
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- CN111777596A CN111777596A CN202010495279.0A CN202010495279A CN111777596A CN 111777596 A CN111777596 A CN 111777596A CN 202010495279 A CN202010495279 A CN 202010495279A CN 111777596 A CN111777596 A CN 111777596A
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Abstract
本发明涉及吲哚酮化合物及其用途。本发明公开了一种化合物,所述化合物为具有式(I)的结构的物质,或其立体异构体、药学上可接受的盐或溶剂化物。
Description
本申请是申请日为2015年10月07日、申请号为201580054973.6、发明名称为“吲哚酮化合物及其用途”的发明专利申请的分案申请。
相关申请
本申请要求2014年10月9日递交的名称为“INDOLINONE COMPOUNDS AND USESTHEREOF”的第62/062086号美国临时申请的权益,该临时申请通过引用以其整体并入本文。
技术领域
提供用作EWS-FLI1转录因子抑制剂的吲哚酮衍生物化合物。还提供了吲哚酮衍生物的药物组合物、其合成方法、使用其治疗的方法和用于鉴定EWS-FLI1癌蛋白抑制剂的试验。
背景技术
在十多年前,存在于各种不同的尤文氏肉瘤家族肿瘤(ESFT)中的EWS-FLI转录因子被表征。在儿童和青少年中为第二最常见的骨肿瘤的尤文氏肉瘤的治疗进展,已改善了局限性肿瘤患者的生存。然而,转移的患者仍然情况不佳,并且治疗带来短期和长期的毒性。尤文氏肉瘤家族肿瘤(ESFT)的特征在于在致癌融合转录因子上产生EWS-FLI1的染色体易位,EWS-FLI1的持续表达被认为对于ESFT细胞存活是关键的(Balamuth,NJ,Womer,RB.,Lancet Oncology11,184-192(2010))。
体外和体内的研究已经证明,抑制癌蛋白EWS-FLI1与RNA解旋酶A(RHA)的结合导致ESFT细胞系增殖的减少和肿瘤体积的减小。EWS-FLI1缺乏酶活性,然而,RNA解旋酶A(RHA)和EWS-FLI1之间的蛋白-蛋白相互作用调节癌发生,因此对于维持肿瘤生长是必需的(Hyariye N Erkizan等Nature Medicine 15(7)750-756(2009))。破坏关键蛋白质相互作用的范例可用于治疗包括具有类似易位的肉瘤和具有MLL易位的白血病的疾病((HelmanLJ,Meltzer P.Mechanisms of sarcoma development.Nat Rev Cancer 2003;3(9):685-94);和Pui CH等,N Engl J Med 2004;350(15):1535-48)。此外,无序蛋白基于其固有的生物化学性质,可以是优异的治疗靶标(Cheng Y,LeGall T,Oldfield CJ等,TrendsBiotechnol 2006;24(10):435-42)。
发明内容
尽管多年的针对EWS-FLI1的反义RNA和siRNA的体外和异种移植研究,但是迄今为止,基于不充分的递送和稳定性,这些作为人类疗法也都是不切实际的。因此,需要改进的治疗例如ESFT的疾病的疗法。
FLI-1是ETS家族转录因子的成员,ETS家族转录因子通常在发育中的胚胎中是有活性的,但在出生后不具有活性。该家族转录因子有29个成员,其中四个FLI-1、ETV1、ETV4和ERG,已与广泛的癌症相关联。
靶向抑制FLI1、ETV1、ETV4或ERG的致癌融合蛋白或转录因子本身的结合的治疗性化合物将用于治疗癌症,包括尤文氏肉瘤家族肿瘤、胰腺癌、前列腺癌、成胶质细胞瘤、非小细胞肺癌和一些其他癌症。优选的实施方式满足这些需求,并且还提供其他优点。
本文公开的一些实施方式涉及式(I)的化合物,包括例如立体异构体、游离形式、其药学上可接受的盐或酯、溶剂化物的形式或这些形式的组合,其中A、D、R1、R2、R3、R4、R5、R6和R12如本文所定义。
本文公开的一些实施方式涉及用于治疗哺乳动物中的癌症的方法,包括向哺乳动物施用有效量的一种或多种式(I)的化合物,其包括例如立体异构体、游离形式或其药学上可接受的盐的形式;或包括一种或多种式(I)的化合物的药物组合物,该式(I)的化合物包括例如立体异构体、游离形式或其药学上可接受的盐的形式。本文所述的其它实施方式涉及在制备用于治疗癌症的药物中,使用一种或多种式(I)的化合物,其包括例如立体异构体、游离形式或其药学上可接受的盐的形式。
本文还描述的其它实施方式涉及用于治疗癌症的式(I)的化合物,其包括例如立体异构体、游离形式或其药学上可接受的盐的形式,其中所述癌症选自由尤文氏肉瘤、成胶质细胞瘤、急性髓性白血病、乳腺癌、头颈癌、黑色素瘤、非小细胞肺癌、卵巢癌、前列腺癌和子宫癌构成的组。下面更详细地描述这些和其他实施方式。
具体实施方式
下面的描述和实施例详细说明了本发明的优选实施方式。本领域技术人员将认识到,本发明存在由其范围所涵盖的许多变化和修改。因此,优选实施方式的描述不应被视为限制本发明的范围。
产生致癌转录因子的染色体易位是多种肿瘤的标志,包括许多肉瘤。尤文氏肉瘤家族肿瘤(ESFTs)的特征在于t(11;22)(q24;q12)易位,其产生负责这种肿瘤的高度恶性表型的尤文氏肉瘤断裂点区1和佛氏白血病病毒整合蛋白1(EWS-FLI1)融合转录因子。EWS-FLI1的持续表达被认为是ESFT细胞存活的关键。EWS-FLI1因为其恶性细胞特异性,是尤文氏肉瘤的有吸引力的治疗靶标。此外,实验证据表明EWS/FLI表达对尤文氏肉瘤肿瘤细胞是必需的。利用反义寡脱氧核苷酸及RNA干扰(RNAi)体外靶向EWS-FLI1抑制尤文氏肉瘤细胞活力、生长、和致癌性转化,支持EWS-FLI1减弱作为潜在的治疗方式。优选实施方式的治疗剂对更多的肿瘤具有广泛的适用性,并且可用作治疗其它致癌转录因子相关的恶性肿瘤、如化疗耐药性肉瘤和白血病以及难以治疗的肿瘤如尤文氏肉瘤的疗法。
定义
除非另有定义,否则本文使用的所有技术术语和科学术语具有与本领域普通技术人员通常理解的含义相同的含义。除非另有说明,否则本文引用的所有专利、申请、公开申请和其它出版物通过引用以其整体并入。在本文术语存在多个定义的情况下,除非另有说明,否则以本部分中的定义为准。
如本文所用,任何“R”基团,例如但不限于R1、R2、R3、R4、R5、R6、R7、R8、R9、R10、R11和R12代表可连接至所指的原子的取代基。R基团可以是取代的或未取代的。如果两个“R”基团被描述为“结合在一起”,则R基团和它们连接的原子可以形成环烷基、环烯基、芳基、杂芳基或杂环。例如但不限于,如果NRaRb基团的Ra和Rb被指明为“结合在一起”,则意味着它们彼此共价键合以形成环:
此外,如果两个“R”基团被描述为与它们连接的原子“结合在一起”形成环作为替代,R基团可以不限于前面定义的变量或取代基。
如本文所用,“烷基”是指包含完全饱和(无双键或三键)烃基的直链或支链烃链。烷基可以具有1个至20个碳原子(每当它在本文出现时,例如“1至20”的数值范围是指给定范围内的每个整数;例如,“1个至20个碳原子”是指烷基可以包括1个碳原子、2个碳原子、3个碳原子等,多至并包括20个碳原子,尽管本定义也涵盖没有指定数值范围的术语“烷基”的发生)。烷基还可以是具有1个至10个碳原子的中等尺寸的烷基。烷基还可以是具有1个至6个碳原子的低级烷基。化合物的烷基可以被指定为“C1-C6烷基”或类似的名称。仅作为举例,“C1-C6烷基”表示在烷基链中有1个至6个碳原子,即烷基链选自甲基、乙基、丙基、异丙基、正丁基、异丁基、仲丁基和叔丁基、戊基(直链的和支链的)和己基(直链的和支链的)。典型的烷基包括但决不限于甲基、乙基、丙基、异丙基、丁基、异丁基、叔丁基、戊基(直链的和支链的)和己基(直链的和支链的)。烷基可以是取代的或未取代的。
如本文所用,“环烷基”是指完全饱和的(无双键或三键)单环或多环的烃环系统。当由两个或更多个环组成时,这些环可以以稠合的方式连接在一起。环烷基可以在环中含有3个至10个原子或在环中含有3个至8个原子。环烷基可以是未取代的或取代的。典型的环烷基包括但决不限于环丙基、环丁基、环戊基、环己基、环庚基和环辛基。
如本文所用,“芳基”是指遍及所有的环具有完全离域π电子体系的碳环的(全碳)单环或多环芳香环体系(包括两个碳环共用化学键的稠环体系)。芳基中的碳原子数可以变化。例如,芳基可以是C6-C14芳基、C6-C10芳基或C6芳基。芳基的实例包括但不限于苯、萘和薁。芳基可以是取代的或未取代的。
如本文所用,“杂芳基”是指单环或多环芳环体系(具有完全离域的π电子体系的环体系),其含有一个或多个杂原子(例如,1个至5个杂原子),即除碳以外的元素,包括但不限于氮、氧和硫。杂芳基的环中的原子数可以变化。例如,杂芳基可以在环中含有4个至14个原子,在环中含有5个至10个原子,或在环中含有5个至6个原子。此外,术语“杂芳基”包括稠环体系,其中两个环,例如至少一个芳环和至少一个杂芳环,或至少两个杂芳环,共用至少一个化学键。杂芳环的实例包括但不限于呋喃、呋咱、噻吩、苯并噻吩、酞嗪、吡咯、恶唑、苯并恶唑、1,2,3-恶二唑、1,2,4-恶二唑、噻唑、1,2,3-噻二唑、1,2,4-噻二唑、苯并噻唑、咪唑、苯并咪唑、吲哚、吲唑、吡唑、苯并吡唑、异恶唑、苯并异恶唑、异噻唑、三唑、苯并三唑、噻二唑、四唑、吡啶、哒嗪、嘧啶、吡嗪、嘌呤、喋啶、喹啉、异喹啉、喹唑啉、喹喔啉、噌啉和三嗪。杂芳基可以是取代的或未取代的。
如本文所用,杂环烷基是指三元、四元、五元、六元、七元、八元、九元、十元、多至18元的单环、双环和三环体系,其中碳原子与1个至5个杂原子一起构成所述环系。杂环可以任选地含有一个或多个存在的不饱和键,然而,该不饱和键使得完全离域的π电子体系不遍及所有的环发生。杂原子是除碳以外的元素,包括但不限于氧、硫和氮。杂环可以进一步含有一个或多个羰基或硫代羰基官能团,以使定义包括氧代体系和硫代体系,例如内酰胺、内酯、环状酰亚胺、环状硫代酰亚胺和环状氨基甲酸酯。当由两个或更多个环组成时,这些环可以以稠合的方式连接在一起。另外,杂环烷基中的任何氮可以被季铵化。杂环烷基可以是未取代的或取代的。这种杂环烷基的实例包括但不限于1,3-二恶英、1,3-二氧六环、1,4-二氧六环、1,2-二氧戊环、1,3-二氧戊环、1,4-二氧戊环、1,3-氧硫杂环己烷、1,4-氧硫杂环己二烯、1,3-氧硫杂环戊烷、1,3-二硫杂环戊二烯、1,3-二硫戊环、1,4-氧硫杂环己烷、四氢-1,4-噻嗪、2H-1,2-恶嗪、马来酰亚胺、琥珀酰亚胺、巴比妥酸、硫代巴比妥酸、二氧代哌嗪、乙内酰脲、二氢尿嘧啶、三氧杂环己烷、六氢-1,3,5-三嗪、咪唑啉、咪唑烷、异恶唑啉、异恶唑烷、恶唑啉、恶唑烷、恶唑烷酮、噻唑啉、噻唑烷、吗啉、环氧乙烷、哌啶N-氧化物、哌啶、哌嗪、吡咯烷、吡咯烷酮、吡咯烷(pyrrolidione)、4-哌啶酮、吡唑啉、吡唑烷、2-氧代吡咯烷、四氢吡喃、4H-吡喃、四氢噻喃、硫代吗啉、硫代吗啉亚砜、硫代吗啉砜及其苯并稠合的类似物(例如苯并咪唑烷酮、四氢喹啉和3,4-亚甲二氧基苯基)。
术语“药学上可接受的盐”是指对所施用的生物体不引起显著刺激,并且不消除化合物的生物活性和性质的化合物的盐。在一些实施方式中,盐是化合物的酸加成盐。药物盐可以通过使化合物与无机酸、例如氢卤酸(例如盐酸或氢溴酸)、硫酸、硝酸和磷酸反应而获得。药物盐也可以通过使化合物与有机酸反应而获得,该有机酸例如脂肪族或芳香族的羧酸或磺酸,例如甲酸、乙酸、琥珀酸、乳酸、苹果酸、酒石酸、柠檬酸、抗坏血酸、烟酸、甲磺酸、乙磺酸、对甲苯磺酸、水杨酸或萘磺酸。药物盐也可以通过使化合物与碱反应形成盐,例如铵盐、碱金属盐(如钠盐或钾盐)、碱土金属盐(如钙盐或镁盐)、有机碱的盐(例如二环己胺、N-甲基-D-葡糖胺、三(羟甲基)甲胺、C1-C7烷基胺、环己胺、三乙醇胺、乙二胺的盐)、以及与氨基酸、如精氨酸和赖氨酸的盐。
应当理解,本文所描述的具有一个或多个手性中心的任何化合物中,如果没有明确指出绝对立体化学,则每个中心可以独立地为R-构型或S-构型或其混合物。因此,本文提供的化合物可以是对映体纯的、对映体富集的、外消旋混合物、非对映体纯的、非对映体富集的或立体异构体的混合物。此外,应当理解,在本文所描述的具有一个或多个产生可以被定义为E或Z的几何异构体的双键的任何化合物中,每个双键可以独立地为E或Z或其混合物。
应当理解,当本文公开的化合物具有未填充的化合价时,则该化合价将用氢或其同位素、例如氢-1(氕)和氢-2(氘)填充。
应当理解,本文所描述的化合物可以同位素标记。用同位素(例如氘)取代可提供由更大的代谢稳定性(诸如,增加的体内半衰期)或降低的剂量需求引起的某些治疗优势。在化合物结构中表示的每个化学元素可以包括所述元素的任何同位素。例如,在化合物结构中,氢原子可以明确地公开或理解为存在于化合物中。在化合物的可以存在氢原子的任何位置处,氢原子可以是氢的任何同位素,包括但不限于氢-1(氕)和氢-2(氘)。因此,本文中提及化合物包括所有潜在的同位素形式,除非上下文明确地另有规定。
应当理解,本文所描述的方法和组合包括结晶形式(也称为多晶型,其包括化合物的相同元素组成的不同晶体堆积排列)、无定形相、盐、溶剂化物和水合物。在一些实施方式中,本文所描述的化合物以与药学上可接受的溶剂(例如水、乙醇等)的溶剂化形式存在。在其它实施方式中,本文所描述的化合物以非溶剂化形式存在。溶剂化物含有化学计量的量或非化学计量的量的溶剂,并且可以在用药学上可接受的溶剂(例如水、乙醇等)结晶的过程中形成。当溶剂是水时形成水合物,或当溶剂是醇时形成醇化物。此外,本文提供的化合物可以以非溶剂化形式以及溶剂化形式存在。通常,出于本文提供的化合物和方法的目的,溶剂化形式被认为等同于非溶剂化形式。
在提供值的范围的情况下,应当理解,上限和下限以及该范围的上限和下限之间的每个居中值包括在实施方式之内。
化合物
在第一方面,提供一种化合物,该化合物为具有式(I)的物质,或其立体异构体、药学上可接受的盐或溶剂化物:
其中,R1、R2、R3和R4独立地选自由H、Cl、-CN和-CF3构成的组;其中A选自由H和C1-6烷基构成的组;其中D选自由-OH和-O(C1-6烷基)构成的组;其中R5和R6独立地选自由H、F和C1-6烷基构成的组,或其中R5和R6一起形成取代的或未取代的环烷基环;其中R12独立地选自由C3-8环烷基和构成的组;其中R7、R8、R9、R10和R11独立地选自由H、卤素、CN、CF3、C1-6烷基、芳基、杂芳基、-O(芳基)、-O(杂芳基)、-CO2H、-CO2(C1-6烷基)、-NHSO2(C1-6烷基)、-NHSO2(芳基)、-NHCONH(C1-6烷基)、-NHCON(C1-6烷基)2、-N(C1-6烷基)CONH2、-N(C1-6烷基)CONH(C1-6烷基)、-N(C1-6烷基)CON(C1-6烷基)2、-SO2(C1-6烷基)、-SO2NH2、-SO2NH(C1-6烷基)、-SO2N(C1-6烷基)2、C3-8环烷基和C3-8杂环烷基构成的组。
在第一方面的一个实施方式中,R1、R2、R3和R4独立地选自由氢和Cl构成的组。
在第一方面的一实施方式中,R5和R6一起形成取代的或未取代的环烷基环。
在第一方面的一个实施方式中,A是H。
在第一方面的一个实施方式中,D是OH。
在第一方面的一个实施方式中,A是H且D是OH。
在第一方面的一个实施方式中,R9选自由氮杂环丙烷基(aziridinyl)、氮杂环丁烷基(azetidinyl)、吡咯烷基和吗啉基构成的组。
在第一方面的一个实施方式中,R9选自由异丙基和环丙基构成的组。
在第一方面的一个实施方式中,化合物为具有式(Ia)的结构的物质,或其立体异构体、药学上可接受的盐或溶剂化物:
其中,R1、R2、R3和R4独立地选自由H和Cl构成的组;其中R7、R8、R10和R11独立地选自由H和卤素构成的组;并且其中R9独立地选自由C3-8环烷基和C3-8杂环烷基构成的组。
在第一方面的一个实施方式中,R1和R4为Cl且R2和R3为H。
在第一方面的一个实施方式中,式(I)的化合物选自由以下构成的组:
或其立体异构体、药学上可接受的盐、酯或溶剂化物。
在第一方面的一个实施方式中,化合物选自由以下构成的组:
或其立体异构体、药学上可接受的盐、酯或溶剂化物。
在第二方面,提供了包括第一方面或其任何实施方式的任何实施方式的化合物和药学上可接受的载体的药物组合物。
在第三方面,提供了包括第一方面或其任何实施方式的任何实施方式的化合物和药学上可接受的赋形剂的药物组合物。
在第四方面,药物组合物包括第一方面或其任何实施方式的任何实施方式的化合物和至少一种另外的药物活性剂。
在第五方面,提供了治疗癌症的方法,其包括向有需要的受试者施用有效量的第一方面或其任何实施方式的化合物。
在第五方面的一个实施方式中,受试者是哺乳动物。
在第五方面的一个实施方式中,受试者是人。
在第五方面的一个实施方式中,癌症选自由尤文氏肉瘤、前列腺癌、成胶质细胞瘤、急性髓性白血病、乳腺癌、头部癌、颈部癌、黑色素瘤、非小细胞肺癌、卵巢癌和子宫癌构成的组。
在第六方面,提供了杀灭或抑制赘生性细胞生长的方法,包括使细胞与有效量的第一方面或其任何实施方式的化合物接触。
在第六方面的一个实施方式中,细胞是哺乳动物细胞。
在第六方面的一个实施方式中,细胞是人细胞。
在第六方面的一个实施方式中,细胞为体外(in vitro)细胞。
在第六方面的一个实施方式中,细胞为体内细胞。
在第六方面的一个实施方式中,细胞是癌细胞,该癌选自由尤文氏肉瘤、前列腺癌、成胶质细胞瘤、急性髓性白血病、乳腺癌、头部癌、颈部癌、黑色素瘤、非小细胞肺癌、卵巢癌和子宫癌构成的组。
在第七方面,一种用于抑制细胞增殖的方法,其中该细胞过表达ETS基因或包含ETS融合基因,该方法包括使该细胞与有效量的第一方面或其任何实施方式的化合物接触。
在第七方面的一个实施方式中,ETS基因或ETS融合基因选自由FLI1、ERG、ETV1和ETV4构成的组。
在第七方面的一个实施方式中,细胞是哺乳动物细胞。
在第七方面的一个实施方式中,细胞是人细胞。
在第七方面的一个实施方式中,细胞为体外细胞。
在第七方面的一个实施方式中,细胞为体内细胞。
在第七方面的一个实施方式中,细胞是癌细胞,该癌选自由尤文氏肉瘤、前列腺癌、成胶质细胞瘤、急性髓性白血病、乳腺癌、头颈癌、黑色素瘤、非小细胞肺癌、卵巢癌和子宫癌构成的组。
合成方法
本文所描述的式(I)的化合物可以各种方式制备。在本文中示出和描述了式(I)的化合物的常见合成路线。本文示出和描述的路线仅是说明性的且不是针对性的,且它们也不被解释为以任何方式限制权利要求的范围。本领域技术人员将能够基于本文的公开内容来识别所公开的合成的修改并设计替代路线;所有这些修改和替代路线都在权利要求的范围内。
根据存在的取代基,小分子抑制剂可以是药学上可接受的盐的形式。本文所用的术语“药学上可接受的盐”是广泛的术语,并且对本领域普通技术人员而言,被赋予其一般含义和通常含义(并且不限于特定含义或自定义的含义),并且是指但不限于由药学上可接受的无毒的酸或无毒的碱制备的盐。合适的药学上可接受的盐包括金属盐(例如铝盐、锌盐)、碱金属盐(例如锂盐、钠盐和钾盐)、碱土金属盐(例如钙盐和镁盐);有机盐,例如赖氨酸盐、N,N'-二苄基乙二胺盐、氯普鲁卡因盐、胆碱盐、二乙醇胺盐、乙二胺盐、葡甲胺盐(N-甲基葡糖胺盐)、普鲁卡因盐和三羟甲基氨基甲烷盐;游离酸的盐和游离碱的盐;无机盐,例如硫酸盐、盐酸盐和氢溴酸盐;以及目前在广泛的药物使用中,并且列在本领域技术人员熟知的来源(例如“默克索引(Merck Index)”)中的其它盐。可以选择任何合适的组分来制备本文所讨论的治疗剂的盐,条件是其是无毒的并且基本上不干扰所需的活性。
优选实施方式的化合物可以包括异构体、外消旋体、光学异构体、对映异构体、非对映异构体、互变异构体和顺式/反式构象异构体。所有这些异构形式包括其混合物都包括在优选实施方式中。如上所描述,优选实施方式的化合物可以具有手性中心,例如,它们可以含有不对称碳原子,并且因此可以以对映异构体或非对映异构体及其混合物(例如外消旋体)的形式存在。不对称碳原子可以以(R)-构型或(S)-构型存在,或者可以以(R)-形式和(S)-形式的混合物存在。以下是式(I)化合物的异构体形式:
化合物可以是无定形形式或结晶形式。优选实施方式的化合物的结晶形式可以以多晶型物存在,该多晶型物包括在优选实施方式中。此外,一些优选实施方式的化合物还可以与水或其它有机溶剂形成溶剂化物。这些溶剂化物也类似地包括在优选实施方式的范围内。
某些药物组合物
通常优选以静脉内或皮下的单位剂型施用优选实施方式的抑制剂;然而,也考虑其它施用途径。所考虑的施用途径包括但不限于口服、肠胃外、静脉内和皮下。优选实施方式的抑制剂可以配制成用于例如口服施用的液体制剂。合适的形式包括混悬剂、糖浆剂、酏剂等。用于口服施用的特别优选的单位剂型包括片剂和胶囊剂。配置为每天一次施用的单位剂型是特别优选的;然而,在某些实施方式中,可以期望将单位剂型配置为每天两次或更多次施用。
优选实施方式的药物组合物优选地与接受者的血液或其他体液等渗。可以使用酒石酸钠、丙二醇或其它无机溶质或有机溶质来获得组合物的等渗性。氯化钠是特别优选的。可以利用缓冲剂,例如乙酸和盐、柠檬酸和盐、硼酸和盐、以及磷酸和盐。胃肠外媒介物包括氯化钠溶液、葡萄糖林格氏液、葡萄糖和氯化钠、乳酸林格氏液或固定油。静脉内媒介物包括流体和营养补充剂、电解质补充剂(例如基于葡萄糖林格氏液的那些)等。
使用药学上可接受的增稠剂可以将药物组合物的粘度保持在选定的水平。甲基纤维素是优选的,因为它容易且经济地可购得并且易于使用。其它合适的增稠剂包括,例如黄原胶、羧甲基纤维素、羟丙基纤维素、卡波姆等。增稠剂的优选浓度将取决于所选择的增稠剂。优选使用将达到选定粘度的量。粘性组合物通常通过加入这种增稠剂由溶液制备。
可以利用药学上可接受的防腐剂来增加药物组合物的保存期限。苯甲醇可以是合适的,尽管也可以采用多种防腐剂,包括例如对羟基苯甲酸酯、硫柳汞、氯丁醇或苯扎氯铵。基于组合物的总重量,防腐剂的合适浓度通常为约0.02%至约2%,尽管根据所选择的试剂,可以期望更大或更小的量。如上所描述的还原剂可以有利地用于保持制剂的良好的保存期限。
根据施用途径和所需的制剂,优选实施方式的抑制剂可以与合适的载体、稀释剂或赋形剂(例如无菌水、生理盐水、葡萄糖等)混合,并且可以含有辅助物质,例如润湿剂或乳化剂、pH缓冲剂、增凝剂或增粘剂、防腐剂、调味剂、着色剂等。参见例如“Remington:TheScience and Practice of Pharmacy”,Lippincott Williams&Wilkins;第20版(2003年6月1日)和“Remington's Pharmaceutical Sciences”,Mack Pub.Co.;第18版和第19版(分别为1985年12月和1990年6月)。这样的制剂可以包括络合剂、金属离子、聚合物(例如聚乙酸、聚乙醇酸、水凝胶、葡聚糖等)、脂质体、微乳液、胶束、单层囊泡或多层囊泡、红细胞血影或球状细胞。用于脂质体制剂的合适的脂质包括但不限于甘油单酯、甘油二酯、硫苷脂、溶血卵磷脂、磷脂、皂苷、胆汁酸等。这样的另外的组分的存在会影响物理状态、溶解度、稳定性、体内释放速率和体内清除速率,并且因此根据预期的应用来选择,使得载体的特征适应于选定的施用途径。
对于口服施用,药物组合物可以作为片剂、水性混悬剂或油性混悬剂、可分散的粉末或可分散的颗粒、乳剂、硬胶囊或软胶囊、糖浆剂或酏剂提供。用于口服使用的组合物可以根据本领域已知的用于制备药物组合物的任何方法制备,并且可以包括一种或多种以下试剂:甜味剂、调味剂、着色剂和防腐剂。水性混悬剂可以含有与适用于制备水性混悬剂的赋形剂混合的活性成分。
用于口服使用的制剂还可以作为硬明胶胶囊(其中活性成分与惰性固体稀释剂、例如碳酸钙、磷酸钙或高岭土混合)或作为软明胶胶囊提供。在软胶囊中,可以将抑制剂溶解或悬浮在合适的液体中,例如水或油介质(例如花生油、橄榄油、脂肪油、液体石蜡或液体聚乙二醇)中。也可以使用配制用于口服施用的稳定剂和微球。胶囊可以包括由明胶制成的推入式(push-fit)胶囊,以及由明胶和增塑剂(例如甘油或山梨醇)制成的软的密封胶囊。推入式胶囊可以含有与填充剂(例如乳糖)、粘合剂(例如淀粉)和/或润滑剂(例如滑石或硬脂酸镁)和可选的稳定剂混合的活性成分。
片剂可以是未包衣的,或通过已知的方法包衣的,以延缓胃肠道中的崩解和吸收,从而在更长的时间段内提供持续的作用。例如,可以使用延时材料,例如单硬脂酸甘油酯。当以固体形式(例如片剂)施用时,固体形式通常包含约0.001重量%或更少至约50重量%或更多的活性成分,优选约0.005重量%、0.01重量%、0.02重量%、0.03重量%、0.04重量%、0.05重量%、0.06重量%、0.07重量%、0.08重量%、0.09重量%、0.1重量%、0.2重量%、0.3重量%、0.4重量%、0.5重量%、0.6重量%、0.7重量%、0.8重量%、0.9重量%或1重量%至约2重量%、3重量%、4重量%、5重量%、6重量%、7重量%、8重量%、9重量%、10重量%、15重量%、20重量%、25重量%、30重量%、35重量%、40重量%或45重量%。
片剂可以含有与无毒的药学上可接受的赋形剂(包括惰性材料)混合的活性成分。例如,可以通过,可选地与一种或多种另外的成分压缩或模制,来制备片剂。可以通过在合适的机器中压制自由流动形式的活性成分(例如粉末或颗粒),可选地与粘合剂、润滑剂、惰性稀释剂、表面活性剂或分散剂混合的活性成分,来制备压缩片。可以通过在合适的机器中模制用惰性液体稀释剂润湿的粉末状抑制剂的混合物来制备模制片。
优选地,每个片剂或胶囊含有约1mg或更少至约1000mg或更多的优选实施方式的抑制剂,更优选约10mg、20mg、30mg、40mg、50mg、60mg、70mg、80mg、90mg或100mg至约150mg、200mg、250mg、300mg、350mg、400mg、450mg、500mg、550mg、600mg、650mg、700mg、750mg、800mg或900mg。最优选地,片剂或胶囊以一定剂量的范围提供,以允许施用分次剂量。因此,可以方便地选择适合于患者的剂量和每天施用的剂量的次数。在某些实施方式中,优选将两种或更多种待施用的治疗剂并入单一片剂或其它剂型(例如,在联合疗法中);然而,在其它实施方式中,优选以分开的剂型提供治疗剂。
合适的惰性材料包括稀释剂,例如碳水化合物、甘露醇、乳糖、无水乳糖、纤维素、蔗糖、改性葡聚糖、淀粉等,或无机盐,例如三磷酸钙、磷酸钙、磷酸钠、碳酸钙、碳酸钠、碳酸镁和氯化钠。崩解剂或制粒剂可以包括在制剂中,例如淀粉(例如玉米淀粉)、海藻酸、羧基乙酸淀粉钠、安伯莱特(Amberlite)、羧甲基纤维素钠、超支链淀粉、海藻酸钠、明胶、橙皮、酸性羧甲基纤维素、天然海绵和膨润土、不溶性阳离子交换树脂、粉末状树胶,例如琼脂、刺梧桐胶或黄蓍胶、或海藻酸或其盐。
粘合剂可用于形成硬片剂。粘合剂包括来自天然产物的材料,例如阿拉伯胶、黄蓍胶、淀粉和明胶、甲基纤维素、乙基纤维素、羧甲基纤维素、聚乙烯吡咯烷酮、羟丙基甲基纤维素等。
润滑剂,例如硬脂酸或其镁盐或钙盐、聚四氟乙烯、液体石蜡、植物油和植物蜡、月桂醇硫酸钠、月桂醇硫酸镁、聚乙二醇、淀粉、滑石、热解硅石、水合硅铝酸盐等,可以包括在片剂制剂中。
还可以使用表面活性剂,例如阴离子洗涤剂,如月桂醇硫酸钠、二辛基磺基琥珀酸钠和二辛基磺酸钠;阳离子洗涤剂,例如苯扎氯铵或苄索氯铵;或非离子洗涤剂,例如聚氧乙烯氢化蓖麻油、单硬脂酸甘油酯、聚山梨酯、蔗糖脂肪酸酯、甲基纤维素或羧甲基纤维素。
可以采用控释制剂,其中将氨磷汀或其类似物并入允许通过扩散机制或浸出机制释放的惰性基质中。缓慢降解的基质也可以并入制剂中。其他递送系统可以包括定时释放递送系统、延迟释放递送系统或持续释放递送系统。
可以使用包衣,例如非肠溶性材料,如甲基纤维素、乙基纤维素、羟乙基纤维素、甲基羟乙基纤维素、羟丙基纤维素、羟丙基甲基纤维素、羧甲基纤维素钠、聚维酮和聚乙二醇等,或者肠溶性材料,例如邻苯二甲酸酯。可添加染料或颜料用于鉴定或表征不同组合的抑制剂剂量。
当以液体形式口服施用时,可以向活性成分中加入液体载体,例如水、石油、动物或植物来源的油(例如花生油、矿物油、大豆油或芝麻油)或合成油。生理盐水溶液、葡萄糖溶液或其他糖溶液、或二醇类(例如乙二醇、丙二醇或聚乙二醇)也是合适的液体载体。药物组合物还可以是水包油乳液的形式。油相可以是植物油(例如橄榄油或花生油)、矿物油(例如液体石蜡)或其混合物。合适的乳化剂包括天然存在的树胶(例如阿拉伯树胶和黄蓍胶)、天然存在的磷脂(例如大豆卵磷脂)、衍生自脂肪酸和己糖醇酐的酯或偏酯(例如山梨醇酐单油酸酯)、以及这些偏酯与环氧乙烷的缩合产物(例如聚氧乙烯山梨醇酐单油酸酯)。乳液还可以含有甜味剂和调味剂。
也可以采用肺部递送。化合物在吸入时被递送至肺部并穿过整个肺上皮内层到血流。可以采用用于肺部递送治疗产品的各种机械装置,包括但不限于喷雾器、定量吸入器和粉末吸入器,所有这些都是本领域技术人员熟悉的。这些装置使用适于分配化合物的制剂。通常,每种制剂对所用装置的类型是特异性的,并且除了可用于治疗的稀释剂、佐剂和/或载体外,还可以包括使用合适的推进剂材料。
用于肺部递送的化合物和/或其它可选的活性成分有利地制备成平均粒径为0.1μm或更小至10μm或更大的颗粒形式,该平均粒径更优选为约0.2μm、0.3μm、0.4μm、0.5μm、0.6μm、0.7μm、0.8μm或0.9μm至约1.0μm、1.5μm、2.0μm、2.5μm、3.0μm、3.5μm、4.0μm、4.5μm、5.0μm、5.5μm、6.0μm、6.5μm、7.0μm、7.5μm、8.0μm、8.5μm、9.0μm或9.5μm。用于肺部递送抑制剂的药学上可接受的载体包括碳水化合物,例如海藻糖、甘露醇、木糖醇、蔗糖、乳糖和山梨醇。用于制剂中的其他成分可以包括DPPC、DOPE、DSPC和DOPC。可以使用天然表面活性剂或合成的表面活性剂,包括聚乙二醇和葡聚糖(例如环葡聚糖)。还可以使用胆汁盐和其它相关的增强剂,以及纤维素和纤维素衍生物以及氨基酸。也可以使用脂质体、微胶囊、微球、包合物和其它类型的载体。
适用于喷射喷雾器或者超声波喷雾器的药物制剂通常包含以以下浓度溶解或悬浮在水中的抑制剂,该浓度为每毫升溶液约0.01mg或更少至100mg或更多的抑制剂,优选每毫升溶液约0.1mg、1mg、2mg、3mg、4mg、5mg、6mg、7mg、8mg、9mg或10mg至约15mg、20mg、25mg、30mg、35mg、40mg、45mg、50mg、55mg、60mg、65mg、70mg、75mg、80mg、85mg或90mg的抑制剂。制剂还可以包括缓冲剂和简单的糖(例如,用于蛋白质稳定化和调节渗透压)。喷雾器制剂还可以含有表面活性剂,以减少或防止由形成气溶胶的溶液雾化引起的表面诱导的抑制剂聚集。
与定量吸入器装置使用的制剂通常包含含有借助表面活性剂悬浮在推进剂中的活性成分的细微粉末。推进剂可以包括常规的推进剂,例如氯氟烃、氢氯氟烃、氢氟烃和烃。优选的推进剂包括三氯氟甲烷、二氯二氟甲烷、二氯四氟乙醇、1,1,1,2-四氟乙烷及其组合。合适的表面活性剂包括山梨醇酐三油酸酯、大豆卵磷脂和油酸。
用于从粉末吸入器装置分配的制剂通常包含细微干粉末,该细微干粉末含有抑制剂,可选地包括有助于将粉末从该装置中分散的量的填充剂,例如乳糖、山梨醇、蔗糖、甘露醇、海藻糖或木糖醇,通常为制剂的约1重量%或更少至99重量%或更多,优选为制剂的约5重量%、10重量%、15重量%、20重量%、25重量%、30重量%、35重量%、40重量%、45重量%或50重量%至约55重量%、60重量%、65重量%、70重量%、75重量%、80重量%、85重量%或90重量%。
当优选实施方式的化合物通过静脉内、肠胃外或其它注射施用时,其优选为无热原、肠胃外可接受的水剂或油质混悬剂的形式。混悬剂可以根据本领域熟知的方法使用合适的分散剂或润湿剂以及助悬剂来配制。具有合适pH、等渗性、稳定性等的可接受的水剂的制备在本领域的技术范围内。优选的用于注射的药物组合物优选含有等渗媒介物,例如1,3-丁二醇、水、等渗氯化钠溶液、林格氏液、葡萄糖溶液、葡萄糖和氯化钠溶液、乳酸林格氏液或其他本领域已知的媒介物。此外,无菌固定油可以常规用作溶剂或悬浮介质。为此,可以使用任何温和的固定油,包括合成的单甘油酯或甘油二酯。此外,脂肪酸,例如油酸同样可以用于形成可注射制剂。药物组合物还可以含有稳定剂、防腐剂、缓冲剂、抗氧化剂或本领域技术人员已知的其它添加剂。
注射的持续时间可以根据各种因素进行调节,并且可以包括在几秒或更少的过程内施用的单次注射,至0.5小时、0.1小时、0.25小时、0.5小时、0.75小时、1小时、2小时、3小时、4小时、5小时、6小时、7小时、8小时、9小时、10小时、11小时、12小时、13小时、14小时、15小时、16小时、17小时、18小时、19小时、20小时、21小时、22小时、23小时或24小时或更多的连续静脉内施用。
优选实施方式的化合物可以额外地以其领域建立的方式并以其领域确定的水平使用通常在药物组合物中发现的辅助成分。因此,例如组合物可以含有用于组合治疗的额外的相容的药学活性物质(例如辅助抗菌剂、止痒剂、收敛剂、局部麻醉剂、抗炎剂、还原剂、化学治疗剂等),或者可以含有用于物理性配制优选实施方式的各种剂型的材料,例如赋形剂、染料、增稠剂、稳定剂、防腐剂或抗氧化剂。可以与优选实施方式的化合物组合使用的抗癌剂包括但不限于长春碱类,例如长春碱和长春新碱;蒽环类,例如多柔比星、柔红霉素、表柔比星;蒽类,例如比生群和米托蒽醌;表鬼臼毒素,例如依托泊苷(etoposide)和替尼泊苷(teniposide);以及其他抗癌药,例如放线菌素D、丝裂霉素C、光辉霉素、甲氨喋呤、多西紫杉醇、依托泊苷(VP-16)、紫杉醇、多西紫杉醇和阿霉素(adriamycin));以及免疫抑制剂(例如,环孢菌素A、他克莫司)。在一些实施方式中,本文提供的化合物、组合物和方法可以与组蛋白脱乙酰酶抑制剂(HDAC)、极光激酶抑制剂、去甲基化剂(例如5-AZA胞苷)、用自然杀伤细胞的免疫治疗、IGF-IR抗体、尤文氏抗原抗体、免疫抑制药物和羟基脲组合。组蛋白脱乙酰酶抑制剂的实例包括伏林司他(vorinostat)、罗米地辛(romidepsin)、帕比司他(panobinostat)、丙戊酸、贝利司他(belinostat)、英西司他(mocetinostat)、吉维司他(givinostat)和曲古抑菌素A。极光激酶抑制剂的实例包括ZM447439、橙皮素(hesperadin)和VX-680。去甲基化剂的实例包括5-氮杂胞苷、5-氮杂脱氧胞苷和普鲁卡因。免疫抑制药物的实例包括6-巯基嘌呤和硫唑嘌呤。
某些试剂盒
优选实施方式的化合物可以以试剂盒的形式提供给施用医师或其他保健专业人员。该试剂盒是一个容纳容器的包装,该容器含有在合适的药物组合物中的化合物,以及将药物组合物施用于受试者的说明书。试剂盒还可以可选地含有一种或多种另外的治疗剂,例如目前用于治疗本文所描述的肉瘤的化学治疗剂。例如,可以提供含有一种或多种包含优选实施方式的化合物与一种或多种另外的化学治疗剂的组合物的试剂盒,或者可以单独地提供含有优选实施方式的抑制剂的药物组合物和另外的治疗剂。试剂盒还可以含有用于连续施用或顺序施用的单独剂量的优选实施方式的化合物。试剂盒可以可选地含有一个或多个诊断工具和使用说明。试剂盒可以含有合适的递送装置(例如注射器等)以及用于施用抑制剂和任何其它治疗剂的说明书。试剂盒可以任选地含有储存、复溶(reconstitution,如果适用)和包含的任何或所有治疗剂的施用的说明书。试剂盒可以包括反映给予受试者的施用次数的多个容器。
使用方法
本文提供的一些实施方式涉及治疗尤文氏肉瘤家族肿瘤(ESFT)的方法。ESFT含有独特的融合蛋白EWS-FLI1。ESFT影响3岁至40岁的患者,大多数病例发生在第二个十年。虽然ESFT衍生的胚胎细胞类型是未知的,但是肿瘤通常生长在非常接近骨骼的位置,但可以作为软组织块发生。超过40%的存在局部肿瘤的患者将发展出复发性疾病,这些中的大部分将死于ESFT,而75%至80%的存在转移性ESFT的患者即使高剂量化疗也将在5年内死亡(Grier HE,Krailo MD,Tarbell NJ等,Addition of ifosfamide and etoposide tostandard chemotherapy for Ewing's sarcoma and primitive neuroectodermal tumorof bone.N Engl J Med2003;348(8):694-701)。甚至在增强剂量化疗后,这些生存率在过去20年也没有改善。为了改善生存并减少治疗相关的发病率,可以采用如优选实施方式中所提供的治疗ESFT患者的新靶向策略。
ESFT的特征在于位于染色体22上的EWS基因(尤文氏肉瘤)的中央外显子与ets家族基因(位于染色体11上的FLI1(佛氏白血病插入)、或位于染色体21上的ERG)的中央外显子之间的发生在95%的肿瘤中的易位(t(11;22)或t(21;22))。EWS-FLI1融合转录物编码具有两个主要结构域的55kDa蛋白(约68kD的电泳迁移)。EWS结构域是有效的转录激活因子,而FLI1结构域含有高度保守的ets DNA结合结构域(May WA,Lessnick SL,Braun BS等,TheEwing's sarcoma EWS/FLI-1fusion gene encodes a more potent transcriptionalactivator and is a more powerful transforming gene than FLI-1。Mol Cell Biol1993;13(12):7393-8);所得到的EWS-FLI1融合蛋白作为异常转录因子。小鼠成纤维细胞的EWS-FLI1转化需要EWS功能结构域和FLI1功能结构域两者都是完整的(May WA,GishizkyML,Lessnick SL等Ewing sarcoma 11;22translocation produces a chimerictranscription factor that requires the DNA-binding domain encoded by FLI1fortransformation.Proc Natl Acad Sci U S A 1993;90(12):5752-6)。
EWS-FLI1是一种突出的治疗靶标,因为它仅在肿瘤细胞中表达,并且是维持ESFT细胞系的生长所需要的。使用反义寡脱氧核苷酸(ODN)(Toretsky JA,Connell Y,NeckersL,Bhat NK.Inhibition of EWS-FLI-1 fusion protein with antisenseoligodeoxynucleotides.J Neurooncol 1997;31(1-2):9-16;Tanaka K,Iwakuma T,Harimaya K,Sato H,Iwamoto Y.EWS-Fli1 antisense oligodeoxynucleotide inhibitsproliferation of human Ewing's sarcoma and primitive neuroectodermal tumorcells.J Clin Invest 1997;99(2):239-47)或小干扰RNA(siRNA)(Ouchida M,Ohno T,Fujimura Y,Rao VN,Reddy ES.Loss of tumorigenicity of Ewing's sarcoma cellsexpressing antisense RNA to EWS-fusion transcripts.Oncogene 1995;11(6):1049-54;Maksimenko A,Malvy C,Lambert G等Oligonucleotides targeted against ajunction oncogene are made efficient by nanotechnologies.Pharm Res 2003;20(10):1565-7;Kovar H,Aryee DN,Jug G等EWS/FLI-1 antagonists induce growthinhibition of Ewing tumor cells in vitro.Cell Growth Differ 1996;7(4):429-37)的EWS-FLI1表达水平的降低引起裸鼠中的ESFT细胞系增殖减少和肿瘤消退。纳米技术的最新进展已经改善了siRNA的递送和控释,但是利用目前的技术,人类EWS-FLI1的反义ODN降低和siRNA降低两者都不可能(Maksimenko A,Malvy C,Lambert G等Oligonucleotidestargeted against a junction oncogene are made efficient by nanotechnologies。Pharm Res 2003;20(10):1565-7;Lambert G,Bertrand JR,Fattal E等EWS FLI-1antisense nanocapsules inhibits Ewing sarcoma-related tumor in mice。BiochemBiophys Res Commun 2000;279(2):401-6)。EWS-FLI1靶向的一个有趣的途径是使用siRNA降低的EWS-FLI1和小分子文库之间的比较表达,导致了Ara-C的临床试验(Stegmaier K,Wong JS,Ross KN等Signature-based small molecule screening identifies cytosinearabinoside as an EWS/FLI modulator in Ewing sarcoma.PLoS medicine 2007;4(4):e122)。鉴定Ara-C的这种方法还表明多柔比星和嘌呤霉素会降低EWS-FLI1水平。目前,多柔比星作为ESFT患者的标准疗法,但是生存率远远不能接受(Grier HE,Krailo MD,TarbellNJ等Addition of ifosfamide and etoposide to standard chemotherapy for Ewing'ssarcoma and primitive neuroectodermal tumor of bone.N Engl J Med 2003;348(8):694-701)。目前,正在II期试验中评估Ara-C在ESFT患者中的使用。虽然希望这代表了所需要的临床突破,但是它肯定表明EWS-FLI1的小分子靶向的重要性。优选的实施方式提供从关键蛋白伙伴中破坏EWS-FLI1的小分子蛋白-蛋白相互作用抑制剂(SMPPII),从而实现EWS-FLI1的肿瘤特异性和更精确的靶向。
EWS-FLI1是一种很好的治疗靶标,因为它仅在肿瘤细胞中表达;然而,靶向该肿瘤特异性癌基因的能力以前还未成功。朝向小分子发展的挑战之一是EWS-FLI1缺乏任何已知的酶结构域,并且酶结构域被认为对靶向治疗是关键的。此外,EWS-FLI1是一种无序蛋白,表明它不显示可用于基于结构的药物设计的刚性结构(Uren A,Tcherkasskaya O,Toretsky JA.Recombinant EWS-FLI1 oncoprotein activates transcription。Biochemistry 2004;43(42):13579-89)。事实上,EWS-FLI1的无序性质对于其转录调控是关键的(Ng KP,Potikyan G,Savene RO,Denny CT,Uversky VN,Lee KA.Multiplearomatic side chains within a disordered structure are critical fortranscription and transforming activity of EWS family oncoproteins.Proc NatlAcad Sci U S A 2007;104(2):479-84)。特别是因为它们的生物化学无序性质,无序蛋白被认为是小分子蛋白-蛋白相互作用抑制剂的更有吸引力的靶标(Cheng Y,LeGall T,Oldfield CJ等Rational drug design via intrinsically disordered protein.TrendsBiotechnol 2006;24(10):435-42)。
EWS-FLI1在体外和体内结合RNA解旋酶A。据认为EWS-FLI1的蛋白-蛋白相互作用会有助于其致癌潜力;因此已经寻求了与EWS-FLI1直接相互作用并功能性调控EWS-FLI1的新型蛋白。转录活跃的重组EWS-FLI1(Uren A,Tcherkasskaya O,ToretskyJA.Recombinant EWS-FLI1 oncoprotein activates transcription.Biochemistry2004;43(42):13579-89)用作筛选商业噬菌体展示肽库的靶标。从噬菌体测序鉴定了与EWS-FLI1差异化结合的28种新型肽。国家生物技术信息中心数据库搜索与这些肽同源的人类蛋白,鉴定了与人类RNA解旋酶A的aa 823-832(RHA,基因库序列号A47363)同源的肽(Toretsky JA,Erkizan V,Levenson A等Oncoprotein EWS-FLI1 activity is enhancedby RNA helicase A.Cancer Res 2006;66(11):5574-81)。
虽然EWS-FLI1对ESFT细胞是非常特异性的,但是EWS和RHA是普遍表达的。EWS-FLI1和RHA之间的区域被可能具有特异性的分子治疗剂靶向;因为EWS-FLI1仅在肿瘤中表达并且与RHA的相互作用点会是唯一的。本文提供了治疗剂,即小分子蛋白-蛋白相互作用抑制剂,以抑制EWS-FLI1的功能。
大多数易位融合蛋白肉瘤预示着不良预后,包括ESFT。导致独特的和关键的融合蛋白EWS-FLI1的染色体易位t(11;22)是一个完美的癌症靶标。许多其他肉瘤共用类似的易位变体(表2,来自Helman LJ,Meltzer P.Mechanisms of sarcoma development.Nat RevCancer 2003;3(9):685-94)。
已经报道了胰腺实性假乳头状瘤中的EWS-FLI1易位(Maitra A.等Detection oft(11;22)(q24;q12)translocation and EWS-FLI-1fusion transcript in a case ofsolid pseudopapillary tumor of the pancreas.Pediatr Dev Pathol 2000;3:603-605),然而EWS-FLI1在所有实性假乳头状瘤中的作用仍有待解决(Katharina Tiemann等Solid pseudopapillary neoplasms of the pancreas are associated with FLI-1expression,but not with EWS/FLI-1 translocation)。
EWS同系物或FLI1同系物是发生在广泛的肉瘤和白血病中的易位伙伴。EWS或其同系物TLS或FUS参与透明细胞肉瘤、粘液样脂肪肉瘤、促结缔组织增生性小圆细胞肿瘤、软骨肉瘤和急性髓性白血病的染色体易位。FLI1属于ets基因家族。在大约10%的尤文氏肉瘤和20%的急性髓性白血病中,FLI1同源物ERG被易位。这提示EWS-FLI1可以作为影响大量患者的家族疾病(由易位伙伴相关)的模式系统(Uren A.,Tcherkasskaya O和ToretskyJ.A.Recombinant EWS-FLI1 oncoprotein activates transcription.Biochemistry 43(42)13579-89(2004))。
ERG也在前列腺癌中易位,其中TMPRSS2:ERG融合暗示可以定义疾病进展风险的独特分子亚型(F.Demichelis等,TMPRSS2:ERG gene fusion associated with lethalcancer in a watchful waiting cohort.Oncogene(2007)26,4596-4599)。观察到EWS家族成员或FLI1家族成员易位的其他疾病包括前列腺癌、胶质母细胞瘤、急性髓性白血病、乳腺癌、头颈癌、黑色素瘤、非小细胞肺癌、卵巢癌和子宫癌(Janknecht,Ralf;Shin,Sook和Oh,Sangphil,ETV1,4and 5:An Oncogenic Subfamily of ETS TranscriptionFactors.Biochim.Biophys.Acta 1826(1),1-12(2012))。
因此,优选实施方式的治疗剂具有应用于许多其它肿瘤的潜力。更广泛地,一些不易治疗的白血病也具有涉及混合谱系白血病基因(MLL,11q23)的易位产生的融合蛋白,我们的工作可以作为一个非常耐治疗的癌症组的范例(Pui CH,Chessells JM,Camitta B等Clinical heterogeneity in childhood acute lymphoblastic leukemia with 11q23rearrangements.Leukemia 2003;17(4):700-6)。因此,实施方式包括其中发生易位的癌症。易位融合基因列于表1。
表1
许多疾病包括ETS基因的过表达或ETS基因融合,即包含ETS基因的基因易位。这样的ETS基因的实例包括FLI1、ERG、ETV1和ETV4。融合基因的实例包括EWS-FLI、TMPRSS2-ERG。表1A列出了其中一个或多个ETS基因家族成员过表达和/或被重排的一些癌症。
表1A
适应症
本文提供的某些化合物、组合物和方法可用于治疗多种疾病,例如包含易位基因融合的肿瘤或肿瘤细胞,例如表1所列的那些,尤文氏肉瘤、前列腺癌、胶质母细胞瘤、急性髓性白血病、乳腺癌、头颈癌、黑色素瘤、非小细胞肺癌、卵巢癌和子宫癌。本文提供的方法的一些实施方式包括抑制细胞增殖的方法。在一些实施方式中,细胞过表达ETS基因。在一些实施方式中,过表达的ETS基因可以包括FLI1、ERG、ETV1或ETV4。在一些实施方式中,细胞包含ETS融合基因。在一些实施方式中,ETS融合基因可以包括ETS基因,例如FLI1、ERG、ETV1和ETV4。
实施例
式(I)的化合物的制备
根据本文提出的合成方案制备式(I)的化合物。在甲醇(5mL)中,在二乙胺(10滴)存在下,将式(II)的酮(4.0当量)与式(III)的靛红衍生物(1.0当量)缩合,并将混合物在室温搅拌24小时。将反应混合物浓缩并用使用二氯甲烷/甲醇作为洗脱剂的快速色谱纯化,得到纯的产物。通过用甲醇重结晶进行进一步纯化。选择酮上和靛红衍生物上的取代基,以得到以下标记为实施例1至实施例23的式(I)的化合物。对由此获得的实施例1至实施例26的化合物,使用Varian-400光谱仪(400MHz)记录1H NMR图谱。化学位移以四甲基硅烷为内标以ppm为单位低场给出,并且耦合常数(J值)以赫兹(Hz)为单位给出。
通过将异构体混合物溶解在甲醇/二氯甲烷(4/1)混合物或纯甲醇中进行手性分离,并使用Chiralpak IA柱(250mm×4.6mm;粒径5μm)通过超临界流体色谱(SFC)进行分离,并使用甲醇/二氧化碳(50/50)的混合物洗脱。在真空条件下除去溶剂,得到纯对映异构体。
在一些实施方式中,可以根据以下合成方案制备化合物。
在这些方案中,将酮(4.0当量)和催化量的二乙胺(10滴)加入到取代的靛红(1.0当量)在甲醇(5mL)中的溶液中。将混合物在室温下搅拌直到起始材料(取代的靛红)完全消失。将所得溶液浓缩并用于用己烷/乙酸乙酯洗脱的快速色谱,以定量收率得到纯产物。用己烷/乙酸乙酯重结晶进行进一步纯化。
通过以上方案合成的示例化合物包括:4,7-二氯-3-羟基-3-[2-(4-甲氧基苯基-2-氧代乙基)]-1,3-二氢吲哚-2-酮:白色固体,熔点149-151℃;1H NMR(DMSO,400MHlz)δ10.93(s,1H),7.86(d,2H,J=9.2Hz),7.26(d,1H,J=8.8Hz),6.98(d,2H,J=8.8Hz),6.86(d,1H,J=8.4Hz),6.39(s,1H),4.31(d,1H,J=18.0Hz),3.80(s,3H),3.61(d,1H,J=18.0Hz)。
在一些实施方式中,可以根据以下合成方案制备化合物。
在这样的实施方式中,可以在催化量的二乙胺的存在下将适当的苯乙酮和4,7-二氯靛红缩合,以定量收率制备所需化合物。示例性合成包括以下:
将4,7-二氯靛红(4,7-Dichloroisotin)(30.05g,139.1mmol,1.0当量,AlfaAesar批号10173559)和MeOH(450mL,15体积)加入到装配有氮气管线、顶置式机械搅拌器和温度探头的2L三颈圆底烧瓶中。在3分钟内加入二乙胺(3.25g,0.32当量,Sigma-Aldrich批号SHBD5313V)(浆液变成深红色)。观察到温度的非常轻微的升高(从17.5℃到18.8℃)。然后通过塑料漏斗加入1-[4-(二甲基氨基)苯基]乙酮2(44.3g,1.95当量,ArkPharm批号0000197-130717000),并且将漏斗用MeOH(75mL,2.5体积)冲洗。观察到反应温度降低至15.1℃。在搅拌几分钟后,得到具有少量未溶解颗粒的深红色溶液。将该溶液在环境温度下搅拌,并定期取样用于通过HPLC的过程控制(IPC)。反应23小时后,通过注射器加入另外的二乙胺(1.42g,0.14当量),并在环境温度下继续搅拌。在40.5小时后,形成轻质浆液。对总共4.47当量的苯乙酮2,固体2分批加入(54.1g,2.38当量,ArkPharm批号0000197-130717000和3.2g,0.14当量,TCI批号GK01-BRAH)。在反应88小时后,通过HPLC的IPC显示小于1%AUC的靛红1存在于反应混合物中。形成了重质沉淀。4.5天后,将反应混合物在减压(水浴<40℃)下浓缩,然后在高真空下浓缩,得到约84g固体混合物,批号BIO-W-22-11。将固体溶于二氯甲烷(385mL)和MeOH(140mL)的混合物中,并吸附在100g硅胶上。在减压下除去溶剂,并将干燥的产物/二氧化硅混合物装载到含有硅胶(1kg,预先填充有庚烷)的柱子上进行快速色谱纯化。用含10%乙酸乙酯的庚烷溶液开始洗脱,并施加直至100%乙酸乙酯的梯度,然后转换为含10%甲醇的乙酸乙酯溶液。收集500mL直至2L的级分。将含产物的级分(其中产物已经开始沉淀)合并,并浓缩至约1L。将所得沉淀滤出,在EtOAc/MeOH(75:25比例,200mL)中重新成浆、过滤并用MeOH清洗,得到第一批化合物。将第一滤液浓缩至低体积,加入MeOH以沉淀第二批化合物。将来自两批的分离的滤液合并、浓缩至低体积、溶于25mLMeOH中,并将所得固体过滤,得到第三批化合物。所有三批在高真空下在环境温度下干燥一天,在40℃下干燥四天。总的合并重量为40.03g,相当于化合物产率为76%(未经纯度或溶剂含量校正)。固体是灰白色(带有非常淡的黄色至桃色的阴影)。
另一个示例合成包括以下:
将4,7-二氯靛红(4.26g,19.7mmol,1当量,Alfa Aesar批号10173559)和MeOH(70mL,16.4体积)加入到装配有氮气管线、顶置式机械搅拌器和温度探头的250mL三颈圆底烧瓶中。在1分钟内通过注射器加入二乙胺(0.43g,0.30当量,Sigma-Aldrich批号SHBD5313V)(浆液变成深红色)。在15分钟内通过塑料漏斗分批加入1-[4-(甲基氨基)苯基]乙酮3(11.4g,3.9当量,Sigma-Aldrich批号01129HHV)。漏斗用MeOH(2×15mL,7.0体积)冲洗。将反应物在环境温度(约18-20℃)下搅拌,并定期取样用于通过HPLC的过程控制(IPC)。反应40小时后,通过注射器将另外的二乙胺(0.16g,0.11当量)加入到反应中,并在环境温度下继续搅拌。64小时后,形成轻质浆液。通过注射器将另外的二乙胺(0.13g,0.09当量)加入到反应中,并在环境温度下继续搅拌。反应92小时后,通过HPLC分析的IPC显示2.1%AUC的靛红1存在于反应混合物中。通过注射器将另外的二乙胺(0.07g,0.05当量)加入到反应中,总共0.55当量碱,并在环境温度下持续搅拌过周末。总共七天后,将反应物在减压(水浴<40℃)下浓缩,固体残余物在30℃下溶于二氯甲烷(450mL)和MeOH(50mL)的混合物中,并吸附在20g硅胶上。在具有RediSep一次性闪蒸220g硅胶柱(目录号69-2203-422)的Combiflash CompanionTM XL系统中进行纯化。用二氯甲烷(约20柱体积)完成残余的起始材料3的洗脱,而产物TK-202用含10%甲醇的二氯甲烷溶液洗脱。将含产物的级分(其中产物已经开始沉淀)合并成两个不同的批次并在减压下部分浓缩。过滤得到的浆液,并用MeOH洗涤固体块状物,得到两个级分,该两个级分在高真空下在环境温度下干燥24小时,然后在50℃下干燥24小时,得到批号BIO-W-30-17和批号BIO-W-30-18。将两次结晶的滤液合并并进行第二次色谱纯化(在40g RediSep Gold柱上,目录号69-2203-347),使用二氯甲烷至含5%甲醇的二氯甲烷溶液的梯度洗脱。合并含有产物的级分(纯度高于通过HPLC的99%AUC),并使产物在2小时内沉淀。滤出固体,用甲醇洗涤,并在50℃下在高真空下干燥24小时,得到批号BIOW-30-19。合并含有通过HPLC的大约95%AUC纯度的产物的第二组级分,将固体滤出,再溶解在二氯甲烷中,并加入20%甲醇沉淀过夜。将沉淀的TK-202过滤并用甲醇洗涤,然后在50℃下在高真空下干燥24小时,得到批号BIO-W-30-16。总的合并重量为5.99g,相当于化合物产率为83%。固体是灰白色(带有非常浅的桃色至棕褐色的阴影)。
4,7-二氯-3-羟基-3-(2-(4-(甲基磺酰基)苯基)-2-氧代乙基)吲哚-2-酮(实施例1):灰白色固体;1H NMR(DMSO-d6,400MHz)δ3.28(s,3H),3.81(d,1H,J=16Hz),4.42(d,1H,J=16Hz),6.53(s,1H),6.92(d,1H,J=8Hz),7.32(d,1H,J=8Hz),8.05(d,2H,J=8Hz),8.17(d,2H,J=8Hz),11.04(s,1H)。
3-(2-(4-(氮杂环丙烷基-1-基)苯基)-2-氧代乙基)-4,7-二氯-3-羟基吲哚-2-酮(实施例2):
向4,7-二氯吲哚-2,3-二酮(A)(300mg,1.39mmol)的15mL甲醇溶液中加入1-(4-((氮杂环丙烷-1-基)苯基)乙酮(B)(0.9g,5.5mmol)和10滴二乙胺(2)。将反应物在50℃下搅拌24小时。除去溶剂,并将残余物用快速色谱(0-5%甲醇/CH2Cl2)纯化,得到灰白色固体。3-(2-(4-(氮杂环丙烷-1-基)苯基)-2-氧代乙基)-4,7-二氯-3-羟基吲哚-2-酮(实施例2):灰白色固体;1H NMR(DMSO-d6,400MHz)δ2.16(s,4H),3.64(d,1H,J=16Hz),4.32(d,1H,J=16Hz),6.41(s,1H),6.89(d,1H,J=8Hz),7.05(d,2H,J=8Hz),7.30(d,1H,J=8Hz),7.80(d,2H,J=8Hz),10.95(s,1H)。
4,7-二氯-3-羟基-3-(2-(4-异丙基苯基)-2-氧代乙基)吲哚-2-酮(实施例3):灰白色固体;1H NMR(DMSO-d6,400MHz)δ1.21(d,6H,J=4Hz),2.95(m,1H),3.69(d,1H,J=16Hz),4.39(d,1H,J=16Hz),6.45(s,1H),6.90(d,1H,J=8Hz),7.29(d,1H,J=8Hz),7.38(d,2H,J=8Hz),7.85(d,2H,J=8Hz),10.98(s,1H)。
4,7-二氯-3-(1-(4-(二甲基氨基)苯基)-1-氧代丙-2-基)-3-羟基吲哚-2-酮(实施例4):1H NMR(DMSO-d6,400MHz)δ1.48(d,3H,J=8Hz),3.00(s,6H),4.78(m,1H),6.35(s,1H),6.66(d,J=8Hz),6.76(d,1H,J=8Hz),7.17(d,1H,J=8Hz),7.69(d,2H,J=8Hz),10.74(s,1H)。
4,7-二氯-3-(2-(4-环丙基苯基)-2-氧代乙基)-3-羟基吲哚-2-酮(实施例7):
向4,7-二氯吲哚-2,3-二酮(A)(300mg,1.39mmol)的15mL甲醇溶液中加入1-(4-环丙基苯基)乙酮(B)(0.9g,5.5mmol)和10滴二乙胺(2)。将反应物在50℃下搅拌24小时。除去溶剂,并将残余物用快速色谱(0-5%甲醇/CH2Cl2)纯化,得到灰白色固体。4,7-二氯-3-(2-(4-环丙基苯基)-2-氧代乙基)-3-羟基吲哚-2-酮(实施例7):灰白色固体;1H NMR(DMSO-d6,400MHz)δ0.76(m,2H),1.06(m,2H),2.0(m,1H),3.65(d,1H,J=16Hz),4.35(d,1H,J=16Hz),6.43(s,1H),6.89(d,1H,J=8Hz),7.19(d,2H,J=8Hz),7.30(d,1H,J=8Hz),7.79(d,2H,J=8Hz),10.97(s,1H)。
3-(2-(4-(1H-吡唑-1-基)苯基)-2-氧代乙基)-4,7-二氯-3-羟基吲哚-2-酮(实施例8):灰白色固体;1H NMR(DMSO-d6,400MHz)δ3.72(d,1H,J=16Hz),4.41(d,1H,J=16Hz),6.47(s,1H),6.62(d,1H,J=4Hz),6.90(d,1H,J=8Hz),7.31(d,1H,J=8Hz),7.84(d,1H,J=4H),7.99(d,2H,J=8Hz),8.06(d,2H,J=8Hz),8.66(d,1H,J=4Hz),10.98(s,1H)。
4,7-二氯-3-羟基-3-(2-氧代-2-(4-(吡咯烷-1-基)苯基)乙基)吲哚-2-酮(实施例10):
向4,7-二氯吲哚-2,3-二酮(A)(12.5g,0.06mol)的800ml甲醇溶液中加入1-(4-(吡咯烷-1-基)苯基)乙酮(B)(45g,0.24mol)和0.5mL二乙胺(2)。将反应物在室温下搅拌24小时。除去溶剂,并将残余物用快速色谱(0-5%甲醇/CH2Cl2)纯化,得到13.5g棕色固体。用使用乙酸乙酯/己烷的快速色谱再次纯化,得到11.5g灰白色固体。以相同尺度重复反应得到另外11.5g产物。将两批产物合并,并从甲醇中重结晶,得到20.5g灰白色固体。4,7-二氯-3-羟基-3-(2-氧代-2-(4-(吡咯烷-1-基)苯基)乙基)吲哚-2-酮(实施例10):灰白色固体;1H NMR(DMSO-d6,400MHz)δ1.96(m,4H),3.30(m,4H),3.65(d,1H,J=16Hz),4.29(d,1H,J=16Hz),6.34(s,1H),6.53(d,2H,J=8Hz),6.88(d,1H,J=8Hz),7.28(d,1H,J=8Hz),7.72(d,2H,J=8Hz),10.97(s,1H)。在以下条件下进行手性分离。准备方法采用以下:RegisCell柱L:250mm,IS:50mm,粒径:5μm;流动相:甲醇/CO2,比例:35/65,检测波长:254nm,流速:325g/min,共溶剂流速113.75ml/min。将19.72g溶解在1000ml甲醇中,浓度为0.020g/ml。注射体积为25.00ml,总量为0.500g/注射。产量为(+):9.73g,在20℃的旋光度为+247且(-):9.26g。
4-(2-(4,7-二氯-3-羟基-2-氧代吲哚-3-基)乙酰基)苯磺酰胺(实施例11):灰白色固体;1H NMR(DMSO-d6,400MHz)δ3.78(d,1H,J=16Hz),4.41(d,1H,J=16Hz),6.51(s,1H),6.90(d,1H,J=8Hz),7.31(d,1H,J=8Hz),7.56(s,2H),7.91(d,2H,J=8Hz),8.11(d,2H,J=8Hz),10.98(s,1H)。
4,7-二氯-3-(2-(3-氟-4-(吡咯烷-1-基)苯基)-2-氧代乙基)-3-羟基吲哚-2-酮(实施例12):灰白色固体;1H NMR(DMSO-d6,400MHz)δ1.91(m,4H),3.46(m,4H),3.57(d,1H,J=16Hz),4.27(d,1H,J=16Hz),6.36(s,1H),6.71(t,1H,J=4Hz,J=8Hz),7.29(d,1H,J=8Hz),7.46(d,1H,J=8Hz),7.61(d,1H,J=4Hz),7.64(d,1H,J=8Hz),11.01(s,1H)。
3-(2-(4-(氮杂环丁烷-1-基)苯基)-2-氧代乙基)-4,7-二氯-3-羟基吲哚-2-酮(实施例13)
向4,7-二氯吲哚-2,3-二酮(A)(300mg,1.39mmol)的15mL甲醇溶液中加入1-(4-(氮杂环丁烷-1-基)苯基)乙基-1-酮(B)(972mg,5.5mmol)和几滴二乙胺(2)。将反应物在室温下搅拌24小时。除去溶剂,并将残余物用快速色谱(0-5%甲醇/CH2Cl2)纯化,得到灰白色固体。3-(2-(4-(氮杂环丁烷-1-基)苯基)-2-氧代乙基)-4,7-二氯-3-羟基吲哚-2-酮(实施例13):灰白色固体;1H NMR(DMSO-d6,400MHz)δ2.32(m,2H),3.51(d,1H,J=16Hz),3.95(m,4H),4.30(d,1H,J=16Hz),6.35(s,1H),6.36(d,2H,J=8Hz),6.87(d,1H,J=8Hz),7.28(d,1H,J=8Hz),7.73(d,2H,J=8Hz),10.89(s,1H)。
4,7-二氯-3-羟基-3-(2-(4-甲氧基环己基)-2-氧代乙基)吲哚-2-酮(实施例14):灰白色固体;1H NMR(CDCl3,400MHz)δ1.24(m,4H),1.92(m,2H),2.08(m,2H),2.32(m,1H),3.06(m,1H),3.26(s,3H),3.33(d,1H,J=16Hz),3.69(s,1H),3.70(d,1H,J=16Hz),6.91(d,1H,J=8Hz),7.20(d,1H,J=8Hz),7.61(s,1H)。
4,7-二氯-3-羟基-3-(2-(4-甲氧基双环[2.2.2]辛-1-基)-2-氧代乙基)吲哚-2-酮(实施例15):灰白色固体;1H NMR(CDCl3,400MHz)δ1.59(m,12H),3.16(s,3H),3.22(d,1H,J=16Hz),3.58(s,1H),4.14(d,1H,J=16Hz),6.90(d,1H,J=8Hz),7.23(d,1H,J=8Hz),7.67(s,1H)。
4,7-二氯-3-(2-(4-(二甲基氨基)双环[2.2.2]辛-1-基)-2-氧代乙基)-3-羟基吲哚-2-酮(实施例16):灰白色固体;1H NMR(DMSO-d6,400MHz)δ1.59(m,12H),2.5(s,3H),3.18(d,1H,J=16Hz),3.85(d,1H,J=16Hz),6.31(s,1H),6.90(d,1H,J=8Hz),7.30(d,1H,J=8Hz),10.95(s,1H)。
4,7-二氯-3-(2-(4-环丙基-3-氟苯基)-2-氧代乙基)-3-羟基吲哚-2-酮(实施例17):
向4,7-二氯吲哚-2,3-二酮(A)(261mg,1.21mmol)的15mL甲醇溶液中加入1-(4-环丙基-3-氟苯基)乙酮(B)(280mg,1.57mmol)和10滴二乙胺(2)。将反应物在50℃下搅拌24小时。除去溶剂并将残余物用快速色谱(0-5%甲醇/CH2Cl2)纯化,得到灰白色固体。4,7-二氯-3-(2-(4-环丙基-3-氟苯基)-2-氧代乙基)-3-羟基吲哚-2-酮(实施例17):灰白色固体;1HNMR(DMSO-d6,400MHz)δ0.83(m,2H),1.08(m,2H),2.11(m,1H),3.68(d,1H,J=16Hz),4.34(d,1H,J=16Hz),6.43(s,1H),6.90(d,1H,J=8Hz),7.11(m,1H),7.30(d,1H,J=8Hz),7.60(d,1H,J=8Hz),7.68(d,1H,J=8Hz),10.96(s,1H)。通过与上述方法基本相似的方法进行手性分离。使用柱:AD-H,250mm×4.6mm,5μm,己烷/乙醇(65/35),1.5ml/min,进样体积:10.0μl,压力:102.9巴,进行LC筛选。峰1:保留时间:5.40分钟,宽度:0.171分钟,面积:4502.21,面积百分比:50.08。峰2:保留时间:7.23分钟,宽度:0.239分钟,面积:4488.43,面积百分比:49.92。
4,7-二氯-3-(2-(4-环丙基-2-氟苯基)-2-氧代乙基)-3-羟基吲哚-2-酮(实施例18):
向4,7-二氯吲哚-2,3-二酮(A)(261mg,1.21mmol)的15mL甲醇溶液中加入1-(4-环丙基-2-氟苯基)乙酮(B)(280mg,1.57mmol)和10滴二乙胺(2)。将反应物在50℃下搅拌24小时。除去溶剂,并将残余物用快速色谱(0-5%甲醇/CH2Cl2)纯化,得到灰白色固体。4,7-二氯-3-(2-(4-环丙基-2-氟苯基)-2-氧代乙基)-3-羟基吲哚-2-酮(实施例18):灰白色固体;1H NMR(DMSO-d6,400MHz)δ0.82(m,2H),1.07(m,2H),2.01(m,1H),3.66(d,1H,J=16Hz),4.26(d,1H,J=16Hz),6.44(s,1H),6.91(d,1H,J=8Hz),7.01(m,2H),7.31(d,1H,J=8Hz),7.57(m,1H),10.96(s,1H)。通过与上述方法基本相似的方法进行手性分离。通过柱:RegisCell,250mm×4.6mm,5μm,己烷/IPA(80/20),1.5ml/min,进样体积:2.0μl,压力:51.5巴,进行LC筛选。峰1:保留时间:5.16分钟,宽度:0.238分钟,面积:3716.20,面积百分比:49.78。峰2:保留时间:6.49分钟,宽度:0.324分钟,面积:3749.55,面积百分比:50.22。
4-氯-7-氟-3-羟基-3-(2-(4-甲氧基苯基)-2-氧代乙基)吲哚-2-酮(实施例19):灰白色固体;1H NMR(DMSO-d6,400MHz)δ3.63(d,1H,J=16Hz),3.84(s,3H),4.36(d,1H,J=16Hz),6.38(s,1H),6.88(d,1H,J=8Hz),7.02(d,2H,J=8Hz),7.16(m,1H),7.89(d,2H,J=8Hz),11.01(s,1H)。
4,7-二氯-3-羟基-3-(2-(4-吗啉代苯基)-2-氧代乙基)吲哚-2-酮(实施例20):灰白色固体;1H NMR(DMSO-d6,400MHz)δ3.28(m,4H),3.53(d,1H,J=16Hz),3.71(m,4H),4.33(d,1H,J=16Hz),6.37(s,1H),6.87(d,1H,J=8Hz),6.97(d,2H,J=8Hz),7.30(d,1H,J=8Hz),7.77(d,2H,J=8Hz),10.95(s,1H)。
4,7-二氯-3-羟基-3-(2-氧代-2-(吡啶-4-基)乙基)吲哚-2-酮(实施例21):灰白色固体;1H NMR(DMSO-d6,400MHz)δ3.78(d,1H,J=16Hz),4.39(d,1H,J=16Hz),6.53(s,1H),6.92(d,1H,J=8Hz),7.32(d,1H,J=8Hz),7.79(d,2H,J=4Hz),8.80(d,2H,J=4Hz),11.03(s,1H)。
4,7-二氯-3-羟基-3-(2-氧代-2-(吡啶-3-基)乙基)吲哚-2-酮(实施例22):灰白色固体;1H NMR(DMSO-d6,400MHz)δ3.78(d,1H,J=16Hz),4.39(d,1H,J=16Hz),6.50(s,1H),6.90(d,1H,J=8Hz),7.30(d,1H,J=8Hz),7.57(m,1H),8.28(d,1H,J=4Hz),8.80(d,1H,J=4Hz),9.09(s,1H),11.03(s,1H)。
4,7-二氯-3-羟基-3-(2-氧代-2-(吡啶-2-基)乙基)吲哚-2-酮(实施例23):灰白色固体;1H NMR(DMSO-d6,400MHz)δ3.78(d,1H,J=16Hz),4.68(d,1H,J=16Hz),6.50(s,1H),6.90(d,1H,J=8Hz),7.30(d,1H,J=8Hz),7.70(d,1H,J=4Hz),7.81(d,1H,J=4Hz),7.98(m,1H),8.76(s,1H),11.01(s,1H)。
4-(2-(4,7-二氯-3-羟基-2-氧代吲哚-3-基)乙酰基)苯甲酰胺(实施例24):灰白色固体;1H NMR(DMSO-d6,400MHz)δ3.74(d,1H,J=16Hz),4.42(d,1H,J=16Hz),6.49(s,1H),6.92(d,1H,J=8Hz),7.31(d,1H,J=8Hz),7.57(s,1H),7.95(d,2H,J=8Hz),7.97(d,2H,J=8Hz),8.10(s,1H),11.01(s,1H)。
4,7-二氯-3-羟基-3-(2-(4-羟基苯基)-2-氧代乙基)吲哚-2-酮(实施例25):灰白色固体;1H NMR(DMSO-d6,400MHz)δ3.60(d,1H,J=16Hz),4.30(d,1H,J=16Hz),6.39(s,1H),6.82(d,2H,J=8Hz),6.90(d,1H,J=8Hz),7.30(d,1H,J=8Hz),7.80(d,2H,J=8Hz),10.45(s,1H),10.93(s,1H)。
4,7-二氯-3-(2-(3,4-二氟苯基)-2-氧代乙基)-3-羟基吲哚-2-酮(实施例26):灰白色固体;1H NMR(DMSO-d6,400MHz)δ3.70(d,1H,J=16Hz),4.37(d,1H,J=16Hz),6.48(s,1H),6.91(d,1H,J=8Hz),7.30(d,1H,J=8Hz),7.56(m,1H),7.96(m,1H),8.01(m,1H),11.01(s,1H)。
化合物的生物活性
测定了表2中列出的某些化合物的生物活性。
表2
化合物的活性
用使用CCK-8试剂盒(Sigma-Aldrich;St Louis,MO)的改进的四唑鎓盐试验来测量人肿瘤细胞生长的抑制。将肿瘤细胞(每孔5000-7500)加入到96孔板中并使其附着4小时至5小时。将化合物序列地稀释并以0.02μM至5μM的浓度一式三份加入。包含DMSO作为溶媒对照。细胞在化合物存在下孵育3天。孵育后,向各孔中加入CCK-8试剂并孵育2小时至4小时。在450nm的波长下用分光光度法定量活细胞。每个样品的存活百分比由A450值计算如下:%存活率=(A450nm样品/A450nm DMSO处理的细胞×100)。IC50定义为导致50%的细胞存活抑制的浓度。使用SKES细胞(尤文氏肉瘤细胞系)测定特定化合物的IC50活性。结果汇总在表3中。使用表4中列出的细胞系测定特定化合物的IC50活性。
表3
表4
| 细胞系 | 肿瘤类型 | ETS家族重排 |
| SKES | 尤文氏肉瘤 | EWS-FLI1 2型 |
| A4573 | 尤文氏肉瘤 | EWS-FLI1 3型 |
| TC71 | 尤文氏肉瘤 | EWS-FLI1 1型 |
| LNCap | 前列腺 | 重排的ETV1 |
| PC3 | 前列腺 | 无 |
| MDA-MB-231 | 乳腺 | 增加的ETV1 |
| MCF7 | 乳腺 | 无 |
| BxPC3 | 胰腺 | 增加的FLI1 |
| PANC1 | 胰腺 | 无 |
某些化合物的IC50的结果汇总如下:化合物1:SKES:C;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物2:SKES:B;A4573:B;TC71:B;LNCap:B;PC3:A;MDA-MB-231:B;MCF7:A;BxPC3:B;和PANC1:A。化合物3:SKES:C;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物4:SKES:A;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物5:SKES:C;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物6:SKES:C;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物7:SKES:C;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物8:SKES:B;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物9:SKES:A;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物10:SKES:A;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物11:SKES:B;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物12:SKES:C;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物13:SKES:A;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物14:SKES:B;A4573:B;TC71:B;LNCap:B;PC3:A;MDA-MB-231:B;MCF7:A;BxPC3:B;和PANC1:A。化合物15:SKES:C;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物16:SKES:A;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物17:SKES:A;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物18:SKES:B;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物19:SKES:C;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物20:SKES:A;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物21:SKES:A;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物22:SKES:B;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物23:SKES:A;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物24:SKES:A;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物25:SKES:A;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物26:SKES:B;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物27:SKES:B;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物28:SKES:A;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物29:SKES:A;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物30:SKES:A;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物31:SKES:A;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物32:SKES:A;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物33:SKES:A;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物34:SKES:A;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物35:SKES:A;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物36:SKES:C;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物37:SKES:C;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物38:SKES:C;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。化合物39:SKES:C;A4573:C;TC71:C;LNCap:C;PC3:C;MDA-MB-231:C;MCF7:C;BxPC3:C;和PANC1:C。A表示IC50>5μM;B表示IC50<5μM;并且C表示不确定。在异种移植研究中,将A4573肿瘤细胞移植入小鼠。用某些化合物(口服,一天两次)处理小鼠。在不同时间测量A4573肿瘤的平均体积。相对于溶媒对照,化合物14以100mg/kg(一天两次)显示出57%的肿瘤生长抑制(TGI),化合物2以200mg/kg(一天两次)未显示出TGI。在类似的大鼠异种移植研究中,分别与溶媒对照相比,化合物2显示出87%的TGI,并且化合物14显示出53%的TGI。
某些化合物的代谢活性
使用NADPH再生系统和标准方案用肝微粒体测定某些化合物的代谢活性。简言之,将化合物与分离的人肝微粒体、大鼠肝微粒体、犬肝微粒体或小鼠肝微粒体孵育。通过在96孔板中加入NADPH再生系统(β-烟酰胺腺嘌呤二核苷酸磷酸酯;异柠檬酸和异柠檬酸脱氢酶)开始反应。在5分钟、10分钟、20分钟、30分钟和60分钟用冷丙烯腈淬灭反应,摇动并在4000rpm下离心20分钟。使用具有LC:Shimadzu LC 20-AD、MS:API4000,自动进样器:CTCPAL的LC/MS/MS分析含有检测到的分析物化合物的上清液;使用的柱子包括CHIRALPAK AS-RH 150*4.6mm,5μm部件号:ASRHCD-KK008和Ace 5 Phenyl,50×2.1mm,部件号ACE-125-0502。数据分析:使用一级动力学方程计算T1/2和CL:Ct=C0*e-kt;Ct=(1/2)*C0;t1/2=In2/k=0.693/k;CL=Vd*k;且Vd=2mL/mg。表5至表8汇总了结果。在表5至表8中:R2是确定动力学常数的线性回归的相关系数;T1/2是半衰期;NCF表示没有辅因子。
表5
表6
表7
表8
某些化合物的代谢稳定性
用人肝微粒体和人肝细胞测定某些化合物的半衰期和清除率。将化合物在人肝微粒体(或人肝细胞)存在下,在95%湿度孵育箱中以5%CO2孵育以开始反应。在每个时间点(0分钟、5分钟、15分钟、30分钟、60分钟、90分钟)停止反应、涡旋并离心。将上清液冷冻直至LC/MS/MS分析。人肝微粒体和人肝细胞的结果分别汇总于表9和表10中。
表9
表10
在另一项研究中,检查了来自各种物种的肝细胞中化合物的代谢。肝细胞与化合物接触,并测定化合物的半衰期。结果汇总在表11中。
表11
用人肝微粒体(HLM)和人肝细胞测定某些化合物并检测代谢物。简言之,在一个TA浓度(例如1μM)下重复测试代谢稳定性。在含NADPH的HLM(0.5mg/mL)和不含NADPH的HLM(0.5mg/mL)中于0分钟、5分钟、10分钟、20分钟、30分钟和45分钟和在肝细胞(0.5×106个细胞/mL)中于0分钟、15分钟、30分钟、60分钟、120分钟和240分钟时评估测试物随时间的损失。包括阳性对照(双氯芬酸)和阴性对照(煮沸的HLM或热灭活的肝细胞)。在与测试物相似的孵育时间监测双氯芬酸,而在HLM中于0分钟和45分钟和在肝细胞中于0分钟和240分钟测量阴性对照。将孵育物保存并用于代谢物鉴定(使用LC/MS/MS)。使用时间=0时的峰面积比值作为100%,将母体分析物/内标峰面积比转化为剩余药物百分比。通过线性回归拟合确定剩余百分数的对数与孵育时间关系的线性回归斜率(-k)。从单独的剩余百分数的对数时间曲线中,报告平均半衰期和内在清除率。对真实的测试物进行UHPLC-HRMS或UHPLC-MS/MS实验,以检查可能的常见碎片离子。使用选自0分钟、10分钟、20分钟和45分钟等份试样的微粒体样品,以及0分钟、60分钟、120分钟和240分钟等份试样的肝细胞孵育物,用于初步代谢物鉴定。基于其质谱峰面积总结代谢物。表12、表13和表14分别汇总了化合物1、化合物12和化合物7的结果。
表12
表13
表14
某些化合物的药代动力学
测定用于静脉施用和口服施用的某些化合物在体内的某些药代动力学参数。简言之,配制化合物且使用静脉推注、连续静脉输注或口服施用来施用该化合物。在24小时内的多个时间点收集血液,并加工成血浆。对于母体,使用LC/MS/MS对血浆进行分析。重复一次,获得某些化合物的某些参数。表15汇总了化合物14在大鼠或犬中连续输注研究的结果。表16汇总了BALB/c小鼠或Sprague Dawley大鼠研究的结果。
表15
表16
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除非另有定义,否则对本领域普通技术人员而言,所有术语(包括技术术语和科学术语)将被赋予它们的一般含义和通常含义,并且不限于特殊含义或自定义的含义,除非在本文中明确定义。应当注意,在描述本公开的某些特征或方面时使用特定术语不应被认为意味着该术语在本文中被重新定义为限制于包括与该术语相关的本公开的特征或方面的任何具体特征。
在提供值的范围的情况下,可以理解,上限和下限以及该范围的上限和下限之间的每个中间值包含在实施方式之内。
本申请中使用的术语和短语及其变型,特别是在所附权利要求中,除非另有明确说明,否则应解释为开放性的,而不是限制性的。作为上述的示例,术语“包括(including)”应被理解为“包括,无限制地”、“包括但不限于”等;本文使用的术语“包含(comprising)”与“包括(including)”、“含有(containing)”或“以…为特征”同义,并且是包容性的或开放性的,并且不排除另外的、未被引用的元素或方法步骤;术语“具有(having)”应被解释为“至少具有”;术语“包括(includes)”应被解释为“包括但不限于”;术语“实施例”用于提供讨论中的项目的示例性实例,不是其详尽的或限制性的清单;形容词例如“已知的(known)”、“正常的(normal)”、“标准的(standard)”和类似含义的术语,不应被解释为将描述的项目限制在给定时间段内或者在给定时间内可用的项目,而应该被理解为包括现在或在将来的任何时间可用或被得知的已知、正常或标准的技术;并且使用术语例如“优选地”、“可优选的”、“期望的(desired)”或“需要的(desirable)”以及具有相似意义的词语,不应被理解为暗示某些特征对于本发明的结构或功能是关键的、必要的或甚至重要的,而是仅仅旨在突出在本发明的特定实施方式中可以使用或可以不使用的替代特征或附加特征。同样地,用连词“和”连接的一组项目不应被理解为要求这些项目中的每一个都存在于组中,而应该被理解为“和/或”,除非另有明确说明。同样,用连词“或”连接的一组项目不应被理解为要求该组之间相互排他性,而应被理解为“和/或”,除非另有明确说明。
对于本文中使用的基本上任何复数术语和/或单数术语,本领域技术人员可以从复数转换为单数和/或从单数转换为复数,只要对上下文和/或应用是合适的。为了清楚起见,可以在本文明确阐述各种单数/复数排列。不定冠词“一个(a)”或“一个(an)”不排除多个。在相互不同的从属权利要求中记载某些措施的事实并不表示这些措施的组合不能有利地使用。权利要求中的任何引用标记不应被解释为限制范围。
本领域技术人员将进一步理解,如果意图叙述一个引用的权利要求的具体数量,这种意图将在权利要求书中明确地叙述,并且在没有这种叙述的情况下,不存在这样的意图。例如,作为对理解的帮助,以下所附权利要求可以含有介绍性短语“至少一个”和“一个或多个”的使用,以引入权利要求的叙述。然而,这些短语的使用不应被解释为意味着通过不定冠词“一个(a)”或“一个(an)”引入权利要求叙述将含有这样引入的权利要求叙述限制在仅包含一个这种叙述的实施方式,即使该同一权利要求包括介绍性短语“一个或多个”或“至少一个”以及不定冠词例如“一个(a)”或“一个(an)”(例如,“一个(a)”和/或“一个(an)”通常应该被解释为意味着“至少一个“或”一个或多个“);对于用于引入权利要求的叙述的定冠词的使用也是如此。此外,即使明确地叙述了引入的权利要求叙述的特定数量,本领域技术人员将认识到,这种叙述通常应被解释为至少表示所叙述的数字(例如,“两个叙述”的简单描述,没有其他修饰,通常意味着至少两个叙述,或两个或更多个叙述)。此外,在使用类似于“A,B和C等中的至少一个”的惯例的那些情况下,通常这种阐述意图以本领域技术人员将理解该惯例的意义(例如,“具有A、B和C中的至少一个的体系”将包括但不限于只具有A、只具有B、只具有C、A和B一起、A和C一起、B和C一起、和/或A、B和C一起等的系统)。在使用类似于“A、B或C等中的至少一个”的惯例的那些情况下,通常这种阐述意图以本领域技术人员将理解该惯例的意义(例如“具有A、B或C中的至少一个的体系”将包括但不限于只具有A、只具有B、只具有C、A和B一起、A和C一起、B和C一起、和/或A、B和C一起等的系统)。本领域技术人员将进一步理解,实际上,无论在说明书或权利要求书中,呈现出两个或更多个替代术语的任何转折性词语和/或短语应被理解为考虑包括术语之一、任何一个术语,或两个术语的可能性。例如,短语“A或B”将被理解为包括“A”或“B”或“A和B”的可能性。
在本说明书中使用的表示成分的量、反应条件等的所有数字将被理解为在所有情况下都被术语“约”修饰。因此,除非另有指示,否则本文指出的数值参数是近似值,其可以根据寻求获得的期望性质而变化。至少且并不是试图限制等同原则对于在要求本申请优先权的任何申请中的任何权利要求的范围的应用性,每个数值参数应根据有效数字的数量和普通的四舍五入方法来解释。
此外,虽然为了清楚和理解的目的,已经通过说明和实施例详细地描述了上述内容,但是对本领域技术人员显而易见的是可以进行某些改变和修改。因此,该描述和实施例不应被解释为将本发明的范围限制于本文所描述的具体实施方案和实施例,而是还涵盖与本发明的真实范围和精神相关的所有修改和替代。
Claims (21)
1.一种化合物,所述化合物为具有式(I)的结构的物质,或其立体异构体、药学上可接受的盐或溶剂化物:
其中,R1、R2、R3和R4独立地选自由H、Cl、-CN和-CF3构成的组;其中,A选自由H和C1-6烷基构成的组;其中,D选自由-OH和-O(C1-6烷基)构成的组;其中,R5和R6独立地选自由H、F和C1-6烷基构成的组,或其中,R5和R6一起形成取代的或未取代的环烷基环;其中,R12独立地选自由C3-8环烷基和构成的组;其中,R7、R8、R9、R10和R11独立地选自由H、卤素、CN、CF3、C1-6烷基、芳基、杂芳基、-O(芳基)、-O(杂芳基)、-CO2H、-CO2(C1-6烷基)、-NHSO2(C1-6烷基)、-NHSO2(芳基)、-NHCONH(C1-6烷基)、-NHCON(C1-6烷基)2、-N(C1-6烷基)CONH2、-N(C1-6烷基)CONH(C1-6烷基)、-N(C1-6烷基)CON(C1-6烷基)2、-SO2(C1-6烷基)、-SO2NH2、-SO2NH(C1-6烷基)、-SO2N(C1-6烷基)2、C3-8环烷基和C3-8杂环烷基构成的组。
2.根据权利要求1所述的化合物,其中,R9选自由氮杂环丙烷基、氮杂环丁烷基、吡咯烷基和吗啉基构成的组。
3.根据权利要求1所述的化合物,其中,R9选自由异丙基和环丙基构成的组。
5.根据权利要求1至4中任一项所述的化合物,其中,R1和R4为Cl,且R2和R3为H。
13.一种药物组合物,所述药物组合物包括权利要求1至12中任一项所述的化合物和药学上可接受的载体。
14.一种用于抑制细胞增殖的方法,其中,所述细胞过表达ETS基因或包含ETS融合基因,所述方法包括使所述细胞与有效量的权利要求1至13中任一项所述的化合物接触。
15.根据权利要求14所述的方法,其中,所述ETS基因或所述ETS融合基因选自由FLI1、ERG、ETV1和ETV4构成的组。
16.一种杀灭或抑制赘生性细胞生长的方法,包括使所述细胞与有效量的权利要求1至13中任一项所述的化合物接触。
17.根据权利要求14至16中任一项所述的方法,其中,所述细胞是哺乳动物细胞。
18.根据权利要求14至17中任一项所述的方法,其中,所述细胞是人细胞。
19.根据权利要求14至18中任一项所述的方法,其中,所述细胞为体外细胞。
20.根据权利要求14至18中任一项所述的方法,其中,所述细胞为体内细胞。
21.根据权利要求14至20中任一项所述的方法,其中,所述细胞是癌细胞,其中,所述癌选自由尤文氏肉瘤、前列腺癌、成胶质细胞瘤、急性髓性白血病、乳腺癌、头部癌、颈部癌、黑色素瘤、非小细胞肺癌、卵巢癌和子宫癌构成的组。
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| KR102375929B1 (ko) * | 2016-03-31 | 2022-03-16 | 온크터널 테라퓨틱스, 인코포레이티드. | 인돌린 유사체 및 이의 용도 |
| SG11201811661TA (en) | 2016-07-29 | 2019-01-30 | Oncternal Therapeutics Inc | Uses of indolinone compounds |
| CN110818611B (zh) * | 2018-08-13 | 2023-01-24 | 中国科学院上海药物研究所 | 一类吲哚酮类化合物、其制备方法、药物组合物和用途 |
| EP4213838A4 (en) * | 2020-09-17 | 2024-08-28 | Oklahoma Medical Research Foundation | Inhibition of endothelial ets family transcription factors promotes flow-dependent ocular vessel regression |
| CN113456631B (zh) * | 2021-08-06 | 2022-06-21 | 徐州医科大学 | 一种靶向acsl1的小分子药物及其在治疗子宫内膜癌中的应用 |
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