CN106983741B - 氰基丙烯酸酯类化合物在制备治疗人畜真菌性感染疾病的药物中的应用 - Google Patents
氰基丙烯酸酯类化合物在制备治疗人畜真菌性感染疾病的药物中的应用 Download PDFInfo
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Abstract
本发明涉及氰基丙烯酸酯类化合物在治疗真菌引起的感染性人畜疾病上的应用,特别是由镰刀菌引起的皮肤病,角膜炎,角膜溃疡,内眼炎、骨髓炎、关节炎、鼻窦感染、甲真菌病、足菌肿及手术或烧伤过程感染等人、畜疾病。
Description
技术领域:
本发明涉及治疗真菌感染的人畜疾病领域,具体的为涉及氰基丙烯酸酯类化合物在治疗真菌引起的感染性人畜疾病上的应用。
背景技术:
近30年来,由真菌感染引起的人畜皮肤病例急剧增加,从而导致对新的抗真菌药剂的需求变得更加迫切,目前用于治疗真菌感染的药物包括两性霉素B,氟胞嘧啶,伏立康唑等。两性霉素B因输注-相关的反应和肾毒性而受到限制,伏立康唑因其溶解性不能克服,限制了其使用范围。因此,有必要开发出新的抗真菌的药物用于皮肤病的治疗。
氰基丙烯酸酯类化合物是指分子靶标为肌球蛋白的2-氰基-3-氨基-3-苯基丙烯酸酯甲酯、2-氰基-3-氨基-3-苯基丙烯酸酯乙酯(又称:氰烯菌酯,试验号: JS399-19)和2-氰基-3-氨基-3-苯基丙烯酸酯丙酯。其中2-氰基-3-氨基-3-苯基丙烯酸酯乙酯(氰烯菌酯)是由国家南方农药创制中心江苏基地于1998年合成、并由南京农业大学周明国教授团队发现是具有肌球蛋白抑制作用的镰刀菌专化活性的化合物,对与禾谷镰刀菌(Fusariumgraminearum)肌球蛋白-5(Myosin-5) 具有80%以上同源性的真菌具有较高抗菌活性。该化合物已经注册用于小麦赤霉病和水稻恶苗病等镰刀菌引起的农作物真菌病害防治。但至今还没有文献报道过其医药和兽药活性,特别是用于治疗真菌感染性人畜疾病上的用途。
经南京医科大学卫生分析检测中心应用毒理研究所检测。氰烯菌酯原药急性毒性五项检测结果分别为:雄性大鼠急性经口LD50>5000mg/kg;雌性大鼠急性进口LD50>5000mg/kg;属微毒类;雄性大鼠急性经皮LD50>5000mg/kg;雌性大鼠急性进皮LD50>5000mg/kg;属微毒类;眼刺激试验为1.5(1h),对眼无刺激性。(1∶100稀释);皮肤刺激试验为0(4h),对皮肤无刺激性;致敏试验:属微致敏物。氰烯菌酯原药致突变检测结果为:AMES试验:平板渗入法,剂量达2500μg/皿,加及不加S9,对测试标准菌TA97a、TA98、TA100和TA102均未检出明显的诱变活性;小鼠骨髓嗜多染红细胞微核试验:雌雄小鼠剂量分别达到250和400mg/kgb.wt.未检出对雌雄小鼠骨髓嗜多染红细胞的诱变活性;小鼠睾丸精母细胞染色体畸变分析:剂量达400mg/kgb.wt.未检出对雄小鼠睾丸精母细胞染色体的诱变活性。经上述毒性测验表明:氰烯菌酯对人类和动物安全,可以用于人类和动物感染性疾病的治疗。
发明内容:
为了克服现有技术的不足,本发明首要目的在于提供一种治疗真菌性感染的人畜用药物,特别的本发明涉及氰基丙烯酸酯类化合物用于治疗真菌感染的人畜疾病用途,特别是皮肤病、角膜炎、角膜溃疡、内眼炎、骨髓炎、关节炎、鼻窦感染、甲真菌病、足菌肿及手术或烧伤过程感染等疾病。氰基丙烯酸类化合物结构通式如下:
R=苯、取代苯、杂环;x=1~5;y=3~11
本发明的目的是通过下述技术方案实现的:
氰基丙烯酸酯类化合物在治疗真菌引起的感染性疾病上的应用,所述氰基丙烯酸酯类化合物是2-氰基-3-氨基-3-苯基丙烯酸酯甲酯、2-氰基-3-氨基-3-苯基丙烯酸酯乙酯(又称:氰烯菌酯,试验号:JS399-19)和2-氰基-3-氨基-3-苯基丙烯酸酯丙酯。其化学结构式分别如下。
氰基丙烯酸酯类化合物在治疗真菌引起的感染性人畜疾病是角膜炎、角膜溃疡、内眼炎、骨髓炎、关节炎、鼻窦感染、甲真菌病、足菌肿及手术或烧伤过程感染等疾病;本发明的氰基丙烯酸酯类化合物是加工成固体、液体和膏状制剂,通过口服、注射、涂抹或冲洗患处的形式给药。
具体实施方案:
动物实验:
提供皮肤感染的小鼠,用药剂(0.5ppm)进行皮下注射处理,连续7天观察皮肤的变化。结果见表1。
表1氰基丙烯酸酯类化合物对小鼠感染的治疗效果
处理 | 治疗效果 |
2-氰基-3-氨基-3-苯基丙烯酸酯甲酯 | ※※※※ |
2-氰基-3-氨基-3-苯基丙烯酸酯乙酯 | ※※※※ |
2-氰基-3-氨基-3-苯基丙烯酸酯丙酯 | ※※※※ |
伏立康唑 | ※※※※ |
生理盐水 | ※ |
表1中“※”表示受感染的皮肤直径在5cm以上,“※※”表示受感染的皮肤直径在3-5cm,“※※※”表示受感染的皮肤直径在1-3cm,“※※※※”表示观察不到病理变化(治愈)。从表1的结果可知,氰基丙烯酸酯类化合物对感染的治疗效果和伏立康唑相当。
制剂实施例
1、1%2-氰基-3-氨基-3-苯基丙烯酸酯乙酯(氰烯菌酯)滴眼液和冲洗液
2-氰基-3-氨基-3-苯基丙烯酸酯乙酯(氰烯菌酯)1%(w/w),吐温20 0.5% (w/w),甘露醇12.5%(w/w),生理盐水补足100%,按常规方法制得10mg/ml 氰烯菌酯滴眼液和冲洗液。
2、10%(w/w)2-氰基-3-氨基-3-苯基丙烯酸酯甲酯即释片剂
2-氰基-3-氨基-3-苯基丙烯酸酯甲酯10%(w/w),棕榈酰基肉碱62.1%(w/w),山梨醇5%,甘露醇5.6%(w/w),甘油单硬脂酸酯2.7%,硬脂酰富马酸钠0.6% (w/w),可压缩糖和淀粉10%,微晶纤维素4%,按常规方法制得17(w/w)氰烯菌酯即释片剂。
3、1.5%(w/w)2-氰基-3-氨基-3-苯基丙烯酸酯丙酯软膏剂
2-氰基-3-氨基-3-苯基丙烯酸酯丙酯1.5%(w/w),十八醇7.8%(w/w),苯甲酸钠2.6%(w/w),无离子水6.5%(w/w),水杨酸0.5%(w/w),液状石蜡5.6% (w/w),凡士林5.0%(w/w),单硬脂酸甘油酯55.5%(w/w),十二烷基硫酸钠 15.0%(w/w)。
虽然已经结合其特定实施方案描述了本发明,应该理解,遵循本发明的一般性原理,本发明能够进行进一步修改并且本申请意欲覆盖本发明的任何变化、用途或改变,包括这样的在本发明所属领域已知的或常规的实践范围内的本公开内容的偏离,并可适用于上文阐述的必要特征,并在权利要求书的范围内遵循。
Claims (4)
1.氰基丙烯酸酯类化合物在制备用于治疗真菌引起的感染性人、畜疾病的药物中的应用,所述氰基丙烯酸酯类化合物是指以肌球蛋白为靶标的2-氰基-3-氨基-3-苯基丙烯酸酯甲酯、2-氰基-3-氨基-3-苯基丙烯酸酯乙酯、2-氰基-3-氨基-3-苯基丙烯酸酯丙酯,所述治疗真菌引起的感染性人、畜疾病是真菌引起的皮肤病。
2.根据权利要求1所述的应用,其特征在于所述氰基丙烯酸酯类化合物加工成固体、膏状和液体形态的制剂应用。
3.根据权利要求2所述的应用,其特征在于所述氰基丙烯酸酯类化合物加工成固体、膏状和液体形态的制剂是膏剂、片剂、胶囊、糖衣丸、粉末、颗粒、快速崩解型片剂、延迟释放剂、针剂、囊封或微囊封的制剂。
4.根据权利要求1-3任一所述的应用,其特征在于所述氰基丙烯酸酯类化合物是通过涂抹或冲洗患处、口服、注射方式给药。
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