CN112294817B - 多韦替尼用于治疗高尿酸相关疾病的用途 - Google Patents
多韦替尼用于治疗高尿酸相关疾病的用途 Download PDFInfo
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- CN112294817B CN112294817B CN201910710538.4A CN201910710538A CN112294817B CN 112294817 B CN112294817 B CN 112294817B CN 201910710538 A CN201910710538 A CN 201910710538A CN 112294817 B CN112294817 B CN 112294817B
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- uric acid
- hyperuricemia
- dormitotinib
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- gout
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Abstract
本发明涉及提供多韦替尼用于治疗高尿酸相关疾病的药物用途,即具有多韦替尼基本结构母核的化合物在降尿酸方面的用途。其中,由高尿酸相关疾病包括但不限于高尿酸血症、高尿酸血症肾炎、高尿酸血症高血压、高尿酸血症心脏病、痛风肾结石、痛风。本发明发现多韦替尼具有明显的抑制腺苷脱氨酶活性、抑制黄嘌呤氧化酶活性、降低尿酸等嘌呤代谢抑制作用,即具有多韦替尼基本结构母核的化合物能用于治疗高尿酸相关疾病。本发明的目的是提供了具有多韦替尼的降尿酸用途,还涉及具有多韦替尼基本结构母核的化合物降尿酸的用药方案。
Description
技术领域
本发明涉及药理毒理学领域,具体而言,本发明涉及多韦替尼用于治疗高尿酸相关疾病的药物用途,即具有多韦替尼基本结构母核的化合物在降尿酸方面的用途。
背景技术
临床上,对高尿酸相关疾病的防治主要通过抑制尿酸水平及相关代谢关键酶的表达来实现。尿酸是体内嘌呤代谢的最终产物,主要由肾脏排出;腺苷脱氨酶(ADA)、黄嘌呤氧化酶(XOD)是嘌呤代谢的关键酶,对尿酸的代谢降解有非常重要的作用。当嘌呤代谢紊乱导致尿酸值在血液里的浓度超过正常值,过量的尿酸易沉积在软组织或关节引发生急性发炎反应,导致高尿酸血症、痛风等。随着人们生活水平的提高以及饮食结构的变化,高嘌呤食品的过量摄入,使嘌呤代谢发生紊乱,血液中尿酸增多,导致了全球痛风及高尿酸血症的发生率呈现出增长的趋势。数据显示,我国痛风及高尿酸血症发病率每年以7.5%的速度大幅度上升,我国痛风及高尿酸血症发病人数已达1350万人,其中病人病程超过10年,绝大部分均发生难以治愈的尿毒症,其危害不可小视。痛风及高尿酸血症等高尿酸相关疾病的发病机制至今仍未完全明确,治疗上,目前西医也仅仅停留在利用药物改善症状和控制尿酸水平,如秋水仙碱、非甾体抗炎药、糖皮质激素等药物,尚未能够根治这类高尿酸相关疾病,且容易引起严重的胃肠道反应等不良事件,影响治疗开展。多韦替尼(Dovitinib)是一种口服有效的小分子多靶点酪氨酸激酶抑制剂,对多种生长因子有抑制作用,如VEGFR1-3,FGFR1-3,PDGFR-β,c-KIT,Ret,TraA和csf-1。在临床研究中,多韦替尼用于治疗乳腺癌、肾癌、多发性骨髓瘤、急性白血病、前列腺癌等。但其对尿酸排泄的影响尚未有人探讨。因此,本发明的目的是提供了多韦替尼用于高尿酸相关疾病的用途。
发明内容
本发明的目的之一是提供多韦替尼在治疗高尿酸相关疾病的用途。动物实验证实多韦替尼能显著抑制尿酸水平及相关代谢关键酶表达,表明具有多韦替尼基本结构母核的化合物对高尿酸相关疾病具有一定的预防和治疗作用。
所述的高尿酸相关疾病包括但不限于高尿酸血症、高尿酸血症肾炎、高尿酸血症高血压、高尿酸血症心脏病、痛风肾结石、痛风。
本发明目的之二是提供多韦替尼在降尿酸方面的应用,具体包括多韦替尼具有明显的抑制腺苷脱氨酶活性、抑制黄嘌呤氧化酶活性、降低尿酸等嘌呤代谢抑制作用,能用于预防或治疗高尿酸相关疾病。
本发明的目的之三是提供多韦替尼对尿酸的抑制作用,还涉及多韦替尼降低尿酸的用药方案,包括给予患者给药有效量的具有多韦替尼基本结构母核的化合物或其药学上可接受的盐。
本发明的目的之四是提供一种具有降尿酸作用的药物组合物。该组合物包含以治疗有效量存在的具有多韦替尼基本结构母核的化合物或其药学可接受的盐与至少一种药学可接受的赋形剂的混合物。
进一步,所述组合物还包含至少一种常规降尿酸药。
更进一步,所述降尿酸药选自别嘌呤醇、苯溴马隆、丙磺舒、普瑞凯西、拉布立酶、碳酸氢钠或秋水仙碱。本发明中涉及的具有多韦替尼通式结构的化合物或其药学上可接受的盐,
所述化合物可加入制剂领域常规辅料制成片剂、胶囊剂、颗粒剂、散剂、口服液、注射剂等常规剂型。为使上述剂型能够实现,需在制备这些剂型时加入药学可接受的赋形剂,例如填充剂、崩解剂、润滑剂、助悬剂、粘合剂、甜味剂、矫味剂、防腐剂等,填充剂包括:淀粉、预胶化淀粉、乳糖、甘露醇、甲壳素、微晶纤维素、蔗糖等,崩解剂包括:淀粉、预胶化淀粉、微晶纤维素、羧甲基淀粉钠、交联聚乙烯吡咯烷酮、低取代羟丙纤维素、交联羧甲基纤维素钠等,润滑剂包括:硬脂酸镁、十二烷基硫酸钠、滑石粉、二氧化硅等,助悬剂包括:聚乙烯吡咯烷酮、微晶纤维素、蔗糖、琼脂、羟丙基甲基纤维素等,粘合剂包括,淀粉浆、聚乙烯吡咯烷酮、羟丙基甲基纤维素等,甜味剂包括:糖精钠、阿斯帕坦、蔗糖、甜蜜素、甘草次酸等,矫味剂包括:甜味剂及各种香精,防腐剂包括:尼泊金类、苯甲酸、苯甲酸钠、山梨酸及其盐类、苯扎溴铵、醋酸氯乙定、桉叶油等。
本发明所述“药学可接受的”表示化合物或组合物必须在化学上和/或毒理学上与制剂中包含的其他成分相容。
所述“治疗有效量”表示本发明化合物治疗或预防特定疾病或症状;减弱、改善或消除特定疾病的一种或多种症状;或预防或延迟特定疾病或症状的发作的量。具体治疗剂量根据病情的严重程度、治疗时间而定,医生根据病情和被治疗患者的具体情况来确定适当的剂量。
附图说明
图1多韦替尼对小鼠血清尿酸水平的影响,该图以组别横轴,小鼠血清尿酸水平为纵轴;
图2为多韦替尼对血清尿酸代谢关键酶ADA表达的影响,该图以组别横轴,小鼠血清ADA水平为纵轴。
图3为多韦替尼对血清尿酸代谢关键酶XOD表达的影响,该图以组别横轴,小鼠血清XOD水平为纵轴。
具体实施方式
多韦替尼对小鼠尿酸水平的抑制作用通过以下方法在动物实验上得到证实。
一、材料与方法
1.试剂
UA试剂盒(微板法)、ADA试剂盒(微板法)、XOD试剂盒(比色法)购买于南京建成生物工程研究所。PBS,购买于中科迈晨(北京)科技有限公司(Lot:F31HU030)。无水乙醇、盐酸、二甲苯、中性树胶、氨水,以上试剂均购买于国药集团化学试剂有限公司。
2.实验设备
电子天平(梅特勒-托利多仪器(上海)有限公司);电热恒温水浴锅(北京市长风仪器仪表公司);4℃冰箱(青岛海尔股份有限公司);-80℃冰箱(青岛海尔股份有限公司);Synergy H1 Hybrid Reader(美国伯腾仪器有限公司);高速冷冻离心机(Thermoscientific)。
3.动物分组
昆明小鼠30只,全部为雄性,体重18-20g,由斯贝福(北京)实验动物科技有限公司提供,许可证号SCXK(京)2019-0012,适应性喂养三天,使其自由饮食饮水,饲养与实验均在北京中医药大学动物房内进行。
4.给药
多韦替尼组:0.5ml/只取材前间隔两天灌胃三次;别嘌醇组:0.5ml/只连续灌胃三周;正常对照组(空白组):灌胃等体积生理盐水。
药效学检测:在多韦替尼最后一次灌胃后2h摘眼球取血,装于1.5ml EP管中,做好标记,静置4h,3500rpm,4℃离心10分钟,取上清液至另一EP管中,重复上述离心操作,得到上清液血清标本,放入4℃冰箱待检测。
5.检测指标
5.1.血清尿酸UA水平检测,采用尿酸(UA)试剂盒进行尿酸水平检测。
5.2.血清尿酸代谢关键酶水平检测,按照腺苷脱氨酶(ADA)、抑制黄嘌呤氧化酶(XOD)试剂盒说明书进行血清ADA、XOD水平检测。
5.3.统计学分析,采用SPSS 19.0软件进行分析,数据进行正态性检验,若服从正态分布后再进行单因素方差分析,P<0.05表明差异显著,有统计学意义。
二、结果
1.多韦替尼对小鼠血清尿酸水平的影响
多韦替尼间隔给药三次后,小鼠无特殊形态表现,末次给药2小时后,血清尿酸显著(P<0.001)降低至37.52μM,与正常对照组(107.87μM)相比,抑制率高达65%。与连续给药3周阳性对照药别嘌醇组(42.21μM)相比,其尿酸降低效果更好。见图1、表1。
2.多韦替尼对血清尿酸代谢关键酶ADA、XOD表达的影响
小鼠血清尿酸代谢关键酶ADA、XOD水平是检测嘌呤代谢的重要指标,能再验证尿酸检测结果。多韦替尼间隔给药三次后,小鼠无特殊形态表现,末次给药2小时后,与正常对照组(10.43、20.73U/L)相比,血清尿酸代谢关键酶ADA、XOD表达显著(P<0.05)降低至6.81、14.72U/L。与连续给药3周阳性对照药别嘌醇组(6.63、13.41U/L)相比,效果相似。见图2-3、表1。
表1多韦替尼对小鼠血清尿酸及嘌呤代谢关键酶的抑制作用
*P<0.05,与正常对照组比,具有统计学差异;***P<0.001,与正常对照组比,差异极显著
Claims (3)
1.多韦替尼在制备治疗高尿酸相关疾病的药物中的用途,其中,高尿酸相关疾病包括高尿酸血症、高尿酸血症肾炎、高尿酸血症高血压、高尿酸血症心脏病、痛风肾结石及痛风。
2.如权利要求1所述的用途,其特征在于,所述药物制成片剂、胶囊剂、颗粒剂、散剂、口服液或注射剂。
3.如权利要求1所述的用途,所述药物具有降尿酸相关活性,所述降尿酸相关活性包括但不限于(1)抑制腺苷脱氨酶活性、(2)抑制黄嘌呤氧化酶活性、(3)降低尿酸。
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