CN105748460B - 一种治疗老年痴呆的药物 - Google Patents
一种治疗老年痴呆的药物 Download PDFInfo
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Abstract
本发明涉及一种治疗老年痴呆的药物,含有姜黄素脂质体、花青素、乙酰左旋肉碱、填充剂、崩解剂和表面活性剂。本发明所述的药物具有溶出迅速、生物利用度高,稳定性好,治疗老年痴呆效果显著,无毒副作用,并且制备工艺简单,适合工业化生产等优点。
Description
技术领域
本发明属于西药制剂领域,涉及一种治疗老年痴呆的药物,具体而言涉及一种含有姜黄素脂质体、花青素以及乙酰左旋肉碱的治疗老年痴呆的药物。
背景技术
随着社会的发展,人类寿命的延长,社会老龄化现象日益严重,老年性痴呆的患病率明显升高,已成为导致死亡的主要原因之一。老年性痴呆是一种进行性的神经退行性疾病,主要表现为渐进性记忆障碍、认知功能障碍、人格改变及语言障碍等神经精神症状,严重影响社交、职业与生活。临床上主要表现为中枢认知功能障碍,老年斑、淀粉样蛋白沉积及神经元纤维缠结是脑部的主要病理学特征。
据统计我国现有310万左右老年性痴呆患者,65岁以上人群患病率高达5.9%。临床特征是进行性认知功能障碍,至疾病后期,患者生活不能自理,不能说话,甚至连自己的近亲都不认识。这不但给病人自身带来很大的痛苦,同时,也给家人以及社会造成极大的负担,影响社会和经济的发展。
由于其病因和发病机制尚不明确,目前没有特效方法逆转和阻止病情进展。但早期进行对症治疗,包括药物治疗或食品治疗改善认知功能、改善精神症状、心理社会治疗和良好的护理,对延缓患者的生活质量减退十分重要。国内外批准用于老年痴呆疾病治疗的药物主要有(1)胆碱酯酶抑制剂,常用药物有多奈哌齐、加兰他敏等。(2)谷氨酸受体拮抗剂,常用药物有盐酸美金刚。但上述药物治疗老年性痴呆作用单一,治疗效果有限,具有一定的副作用。因此,研究与开发防治老年痴呆天然安全的保健食品成为当今重要的研究课题。
发明内容
本发明的目的在于提供一种治疗老年痴呆的药物,有三种天然来源的化合物组成,无毒副作用,治疗老年痴呆效果显著;同时,本发明创造性的选择了特定的崩解剂和表面活性剂,使得本发明的片剂崩解迅速,生物利用度高。
具体而言,本发明提供一种治疗老年痴呆的药物,含有姜黄素脂质体、花青素、乙酰左旋肉碱、填充剂、崩解剂和表面活性剂。
在本发明一个具体的实施方式中,所述的一种治疗老年痴呆的药物中各组分的重量份数为,姜黄素脂质体1-3份、花青素1-3份、乙酰左旋肉碱3-5份、填充剂10-20份、崩解剂5-10份和表面活性剂0.5-1.5份。
在本发明一个具体的实施方式中,所述的一种治疗老年痴呆的药物中崩解剂为低取代羟丙基纤维素和羧甲基淀粉钠,表面活性剂为大豆卵磷脂和泊洛沙姆。
在本发明一个具体的实施方式中,所述的一种治疗老年痴呆的药物中崩解剂为低取代羟丙基纤维素和羧甲基淀粉钠,二者的重量比为1﹕1;表面活性剂为大豆卵磷脂和泊洛沙姆,二者的重量比为2﹕3。
在本发明一个具体的实施方式中,所述姜黄素脂质体由姜黄素、胆固醇、大豆卵磷脂、聚乙烯吡咯烷酮、维生素E和吐温80组成;其中姜黄素、胆固醇、大豆卵磷脂、聚乙烯吡咯烷酮、维生素E和吐温80的质量比为10-15﹕5-10﹕15-20﹕3-6﹕0.5-2﹕1-3。
所述脂质体的制备方法包括:1)将姜黄素、胆固醇、大豆卵磷脂、聚乙烯吡咯烷酮、维生素E和吐温80溶于适量的乙醇中,混合均匀,过滤,蒸发除去乙醇制得磷脂膜,干燥;2)加入pH值为4-7.5的缓冲溶液使磷脂膜完全水化,再用组织捣碎机均质乳化,溶液混合均匀,超声处理30-60min,制得脂质体混悬液;3)将步骤2)所得的混悬液进行喷雾干燥,制得姜黄素脂质体粉末。
在本发明一个具体的实施方式中,所述的一种治疗老年痴呆的药物中填充剂为乳糖、玉米淀粉、糊精、甘露醇、磷酸氢钙中的一种或它们的各种组合。
在本发明一个具体的实施方式中,所述的一种治疗老年痴呆的药物中还含有润滑剂、矫味剂。
在本发明一个具体的实施方式中,所述的一种治疗老年痴呆的药物中各组分的重量份数为,姜黄素脂质体1份、花青素1份、乙酰左旋肉碱3份、填充剂10份、崩解剂5份、表面活性剂0.5份、润滑剂0.5份、矫味剂0.5份。
在本发明一个具体的实施方式中,所述的一种治疗老年痴呆的药物中各组分的重量份数为,姜黄素脂质体2份、花青素2份、乙酰左旋肉碱4份、填充剂15份、崩解剂8份、表面活性剂1份、润滑剂0.5份、矫味剂0.5份。
在本发明一个具体的实施方式中,所述的一种治疗老年痴呆的药物中各组分的重量份数为,姜黄素脂质体3份、花青素3份、乙酰左旋肉碱5份、填充剂20份、崩解剂10份、表面活性剂1.5份、润滑剂0.5份、矫味剂0.5份。
在本发明一个具体的实施方式中,所述的一种治疗老年痴呆的药物中润滑剂为滑石粉、硬脂酸镁或微粉硅胶,矫味剂为阿斯巴甜、甜菊苷或蔗糖。
在本发明一个优选的实施方式中,崩解剂为低取代羟丙基纤维素和羧甲基淀粉钠,二者的重量比为1﹕1;表面活性剂为大豆卵磷脂和泊洛沙姆,二者的重量比为2﹕3。
在本发明一个优选的实施方式中,各组分的重量份数为,姜黄素脂质体1份、花青素1份、乙酰左旋肉碱3份、乳糖10份、低取代羟丙基纤维素2.5份、羧甲基淀粉钠2.5份、大豆卵磷脂0.2份、泊洛沙姆0.3份、微粉硅胶0.5份、蔗糖0.5份
在本发明一个优选的实施方式中,各组分的重量份数为,姜黄素脂质体2份、花青素2份、乙酰左旋肉碱4份、甘露醇15份、低取代羟丙基纤维素4份、羧甲基淀粉钠4份、大豆卵磷脂0.4份、泊洛沙姆0.6份、硬脂酸镁0.5份、甜菊苷0.5份。
在本发明一个优选的实施方式中,各组分的重量份数为,姜黄素脂质体3份、花青素3份、乙酰左旋肉碱5份、玉米淀粉20份、交联羧甲基纤维素5份、羧甲基淀粉钠5份、大豆卵磷脂0.6份、泊洛沙姆0.9份、滑石粉0.5份、阿斯巴甜0.5份。
本发明另一方面涉及一种治疗老年痴呆的药物的制备方法,包括如下步骤:
(1)将配方量的姜黄素脂质体、花青素、乙酰左旋肉碱、填充剂、崩解剂、表面活性剂混合均匀;
(2)用90%乙醇制软材,18-24目筛整粒,湿颗粒于50-80℃干燥;
(3)18-24目筛整粒,加润滑剂、甜味剂,压片,即得。
本发明中各组分的份数为重量份。
本发明试验研究发现姜黄素、花青素、乙酰左旋肉碱三者组合具有显著的治疗老年痴呆的功效。
具体实施方式
下面结合具体的实施方式对本发明作进一步说明。
实施例1治疗老年痴呆的药物
制备工艺:
(1)按配方量的姜黄素脂质体、花青素、乙酰左旋肉碱、乳糖、低取代羟丙基纤维素、羧甲基淀粉钠、大豆卵磷脂、泊洛沙姆混合均匀;
(2)用90%乙醇制软材,20目筛整粒,湿颗粒于60℃干燥;
(3)20目筛整粒,加微粉硅胶、蔗糖,压片,即得。
实施例2治疗老年痴呆的药物的制备
制备工艺:
(1)按配方量取姜黄素脂质体、花青素、乙酰左旋肉碱、甘露醇、低取代羟丙基纤维素、羧甲基淀粉钠、大豆卵磷脂、泊洛沙姆混合均匀;
(2)用90%乙醇制软材,20目筛整粒,湿颗粒于60℃干燥;
(3)20目筛整粒,加硬脂酸镁、甜菊苷,压片,即得。
实施例3:治疗老年痴呆的药物的制备
制备工艺:
(1)按配方量取姜黄素脂质体、花青素、乙酰左旋肉碱、玉米淀粉、低取代羟丙基纤维素、羧甲基淀粉钠、大豆卵磷脂、泊洛沙姆混合均匀。
(2)用90%乙醇制软材,20目筛整粒,湿颗粒于60℃干燥;
(4)20目筛整粒,加滑石粉、阿斯巴甜,压片,即得。
对比例1:治疗老年痴呆的药物
制备工艺:
(1)按配方量的姜黄素脂质体、花青素、乙酰左旋肉碱、乳糖、低取代羟丙基纤维素、大豆卵磷脂混合均匀。
(2)用90%乙醇制软材,20目筛整粒,湿颗粒于60℃干燥;
(3)20目筛整粒,加微粉硅胶、蔗糖,压片,即得。
对比例2治疗老年痴呆的药物
制备工艺:
(1)按配方量的姜黄素脂质体、花青素、乙酰左旋肉碱、乳糖、羧甲基淀粉钠、泊洛沙姆混合均匀。
(2)用90%乙醇制软材,20目筛整粒,湿颗粒于60℃干燥;
(3)20目筛整粒,加微粉硅胶、蔗糖,压片,即得。
对比例3:治疗老年痴呆的药物
制备工艺:
(1)按配方量的花青素、乙酰左旋肉碱、乳糖、低取代羟丙基纤维素、羧甲基淀粉钠、大豆卵磷脂、泊洛沙姆混合均匀。
(2)用90%乙醇制软材,20目筛整粒,湿颗粒于60℃干燥;
(3)20目筛整粒,加微粉硅胶、蔗糖,压片,即得。
对比例4
治疗老年痴呆的药物
制备工艺:
(1)按配方量的姜黄素脂质体、乙酰左旋肉碱、乳糖、低取代羟丙基纤维素、羧甲基淀粉钠、大豆卵磷脂、泊洛沙姆混合均匀。
(2)用90%乙醇制软材,20目筛整粒,湿颗粒于60℃干燥;
(3)20目筛整粒,加微粉硅胶、蔗糖,压片,即得。
对比例5
治疗老年痴呆的药物
制备工艺:
(1)按配方量的姜黄素脂质体、花青素、乳糖、低取代羟丙基纤维素、羧甲基淀粉钠、大豆卵磷脂、泊洛沙姆混合均匀。
(2)用90%乙醇制软材,20目筛整粒,湿颗粒于60℃干燥;
(3)20目筛整粒,加微粉硅胶、蔗糖,压片,即得。
实施例4姜黄素累计溶出度试验
将本发明实施例1-3和对比例1-2制备的药物测定姜黄素溶出度,照中国药典2010年版二部附录ⅩC第二法,转速:每分钟50转;取样时间:10、20、30、45min;供试品溶液:取溶液10ml,滤过,精密量取续滤液2ml,置50ml容量瓶中,加溶出介质稀释至刻度;对照品溶液:10μg/ml;测定方法:HPLC法,色谱条件:色谱柱为ChromstarTMC18(规格为4.6mm×250mm,5μm),流动相为乙腈和4%冰醋酸的混合液(质量比为48:52),检测波长为422nm,流速为1.0mL/min,柱温为30℃。
表1:本发明药物的累积百分比溶出度测定结果
由表1的实验结果可以得出,本发明实施例1-3制备的药物在体外溶出明显优于对比例1-2。对比例1-2崩解剂和表面活性剂均采用单种物质,会导致姜黄素溶出性能降低,这说明本发明选择特定辅料对所得产品的性质至关重要。
实施例5对乙醇干扰学习记忆过程的作用
小鼠80只,随机分8组:阳性对照组(吡拉西坦400mg/kg)、模型组(乙醇组)、实施例1组、实施例2组、实施例3组、对比例3组、对比例4组、对比例5组,每组10只。乙醇组口服生理盐水;阳性对照组灌服吡拉西坦400mg/kg,实施例1-3组分别灌服本发明实施例1-3的药物400mg/kg,对比例3-5组分别灌服对比例3-5的药物400mg/kg;连续给药11d,在第7-10d期间每日于给药后1h进行迷宫训练,连续训练4d,在第11d训练前,模型组(乙醇组)灌服体积分数为50%的乙醇5mL/kg,阳性对照组灌服50%乙醇5mL/kg后立即灌服吡拉西坦400mg/kg,实施例1-3组以及对比例3-5组组分别于灌服50%乙醇5mL/kg后立即灌服相应药物,于给药后1h进行测试。
表2本发明药物对乙醇干扰学习记忆过程的作用
表2的数据表明,各给药组给予乙醇前水迷宫的反应时间接近。给予乙醇后,乙醇组反应时间明显延长,显示小鼠已出现学习记忆功能缺失;各给药组的反应时间均小于乙醇组,说明本发明产品对乙醇诱导的小鼠学习记忆再现缺失有明显的保护作用;并且实施例1-3组明显优于对比例3-5组,说明本发明中姜黄素、花青素以及乙酰左旋肉碱具有协同增效作用。
实施例6:对东莨菪碱干扰学习记忆过程的作用
小鼠80只,随机分8组:实施例1组、实施例2组、实施例3组、对比例3组、对比例4组、对比例5组、生理盐水组(即正常对照组)、模型组(东莨菪碱组),每组10只。生理盐水组和模型组口服等量生理盐水;实施例1-3组分别灌服本发明实施例1-3的药物400mg/kg,对比例3-5组分别灌服对比例3-5的药物400mg/kg;连续给药11d,在第6-10d期间每日于给药后1h将小鼠分别放入跳台仪小盒内适应3min,每小盒放小鼠1只,接通36V电源,训练5min。连续训练5d,在第11d训练前生理盐水组和模型组仍然灌服生理盐水,实施例1-3组和对比例3-5组分别于灌胃相应的药物30min后,除生理盐水组灌服生理盐水外,其余各组灌服4mg/kg的氢溴酸东莨菪碱生理盐水溶液,结束后将小鼠转移到跳台仪所在实验室适应环境,于给药后1h进行测试。
表3本发明药物对东莨菪碱干扰学习记忆过程的作用
组别 | 测试潜伏期(S) | 测试错误次数(次/5min) |
模型组 | 73.5±86.1 | 3.25±2.42 |
正常对照组 | 213.4±99.6 | 1.26±1.17 |
实施例1组 | 210.7±90.3 | 1.20±1.03 |
实施例2组 | 209.2±91.2 | 1.21±1.05 |
实施例3组 | 209.8±90.2 | 1.09±1.16 |
对比例3组 | 176.4±62.7 | 2.75±2.32 |
对比例4组 | 158.2±50.4 | 2.43±1.94 |
对比例5组 | 172.7±58.5 | 2.58±2.23 |
表3的数据表明,与模型组比较各给药组的潜伏期都明显延长,错误次数也明显减少,说明本发明产品对东莨菪碱所致的小鼠学习记忆获得障碍有明显的保护作用;并且实施例1-3组明显优于对比例3-5组。
Claims (7)
1.一种治疗老年痴呆的药物,含有姜黄素脂质体、花青素、乙酰左旋肉碱、填充剂、崩解剂和表面活性剂;其中各组分的重量份数为,姜黄素脂质体 1-3 份、花青素 1-3 份、乙酰左旋肉碱3-5 份、填充剂 10-20 份、崩解剂 5-10 份和表面活性剂 0.5-1.5 份;其中崩解剂为低取代羟丙基纤维素和羧甲基淀粉钠,二者的重量比为 1﹕1;表面活性剂为大豆卵磷脂和泊洛沙姆,二者的重量比为2﹕3;
所述姜黄素脂质体由姜黄素、胆固醇、大豆卵磷脂、聚乙烯吡咯烷酮、维生素 E 和吐温80 组成;
其中姜黄素、胆固醇、大豆卵磷脂、聚乙烯吡咯烷酮、维生素 E 和吐温 80 的质量比为10-15﹕5-10﹕15-20﹕3-6﹕0.5-2﹕1-3;
所述姜黄素脂质体的制备方法包括:1)将姜黄素、胆固醇、大豆卵磷脂、聚乙烯吡咯烷酮、维生素E 和吐温 80 溶于适量的乙醇中,混合均匀,过滤,蒸发除去乙醇制得磷脂膜,干燥; 2)加入pH值为 4-7.5的缓冲溶液使磷脂膜完全水化,再用组织捣碎机均质乳化,溶液混合均匀,超声处理 30-60min,制得脂质体混悬液;3)将步骤 2)所得的混悬液进行喷雾干燥,制得姜黄素脂质体粉末。
2.根据权利要求 1 所述的一种治疗老年痴呆的药物,填充剂为乳糖、玉米淀粉、糊精、甘露醇、磷酸氢钙中的一种或多种。
3.根据 权利要求 1 所述的一种治疗老年痴呆的药物,还含有润滑剂、矫味剂。
4.根据 权利要求 1 所述的一种治疗老年痴呆的药物,其中各组分的重量份数为,姜黄素脂质体 1 份、花青素 1 份、乙酰左旋肉碱 3 份、填充剂 10 份、崩解剂 5 份、表面活性剂 0.5 份、润滑剂 0.5 份、矫味剂 0.5 份。
5.根据 权利要求 1 所述的一种治疗老年痴呆的药物,其中各组分的重量份数为,姜黄素脂质体 2 份、花青素 2 份、乙酰左旋肉碱 4 份、填充剂 15 份、崩解剂 8 份、表面活性剂 1 份、润滑剂 0.5 份、矫味剂0.5 份。
6.根据 权利要求 1 所述的一种治疗老年痴呆的药物,其中各组分的重量份数为,姜黄素脂质体 3 份、花青素 3 份、乙酰左旋肉碱 5 份、填充剂 20 份、崩解剂 10 份、表面活性剂 1.5 份、润滑剂0.5 份、矫味剂 0.5 份。
7.根据 权利要求 3 所述的一种治疗老年痴呆的药物,润滑剂为滑石粉、硬脂酸镁或微粉硅胶,矫味剂为阿斯巴甜、甜菊苷或蔗糖。
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