CN104274819A - 一种含亚甲基双水杨酸杆菌肽+氯苯胍混悬液制备方法 - Google Patents
一种含亚甲基双水杨酸杆菌肽+氯苯胍混悬液制备方法 Download PDFInfo
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Abstract
本发明属于兽用抗寄生虫药及制备方法技术领域,具体为一种含亚甲基双水杨酸杆菌肽+氯苯胍的水混悬口服液及其制备方法,制剂组成为(a)亚甲基双水杨酸杆菌肽+氯苯胍原料药;(b)助悬剂;(c)润湿剂;(d)防腐剂;(e)防腐剂。本发明亚甲基双水杨酸杆菌肽+氯苯胍水混悬口服液采用分散法制备,其性状为类白色、稍粘稠的水混悬液。本发明研制的亚甲基双水杨酸杆菌肽+氯苯胍混悬口服液稳定性好,适口性好,消除半衰期长,生物利用度高,可作为兽用口服制剂。
Description
技术领域
本发明属于兽用抗球虫药及制备方法技术领域,具体涉及一种亚甲基双水杨酸杆菌肽+氯苯胍的混悬液的制备方法。
技术背景
亚甲基双水杨酸杆菌肽,能抑制有害菌细胞壁的合成,使动物本身的防卫机制得到加强,从而抑制消灭肠道内病原菌,另外它保留了有益菌、平衡肠道内菌群,增加绒毛表面积,从而促进营养吸收,改善消化率,降低了病原菌的毒素,提高了消化酶的效果,与亚甲基双水杨酸络合,增加了稳定性。
氯苯胍对球虫的作用峰期,主要在第1代裂殖体阶段,它能阻止裂殖体形成裂殖子。此外,还有人证实,对第2代裂殖体也有抑制作用,甚至还有抑制卵囊发育作用。
球虫病是经常发生在动物中的寄生虫传染病。例如来自艾美尔球虫属(Eimeria)、等孢球虫属(Isospora)、新孢子虫属(Neospora)、肉孢子虫属(Sarcosporidia)和弓形体属(Toxoplasma)的原生动物在全世界引起球虫病。研究亚甲基双水杨酸杆菌肽+氯苯胍口服制剂对于兽医临床防治球虫病具有重要意义。
本发明的突出特征就是将亚甲基双水杨酸杆菌肽+氯苯胍利用水混悬口服液制备方法,制备成兽用口服混悬液。用本方法制备的亚甲基双水杨酸杆菌肽+氯苯胍混悬液稳定性好,适口性好,具良好的吸收效果,为我国兽医临床更好地利用亚甲基双水杨酸杆菌肽+氯苯胍提供了一种新的制剂。
发明内容
本发明的目的在于研制一种亚甲基双水杨酸杆菌肽+氯苯胍口服混悬液,增强疗效,提高药物的稳定性和适口性,具长效作用。
本发明为达到上述目的,提供一种含亚甲基双水杨酸杆菌肽+氯苯胍的水混悬液,其特征在于制剂具体组成为:
(a) 亚甲基双水杨酸杆菌肽原料药2-10%(W/V);
(b) 氯苯胍原料药2-10%(W/V);
(c) 助悬剂 0.1-2.0%(W/V);
(d) 润湿剂5-20%(W/V);
(e)防腐剂 0.05-0.50%(W/V);
(f)絮凝剂 0.1-1%(W/V);
所述的一种含亚甲基双水杨酸杆菌肽+氯苯胍的混悬液,其特征在于发明的制剂是基于水的,以及可与水任意比例混合的多元醇,如乙二醇、丙二醇、丙三醇,特别优选丙二醇。
所述的一种亚甲基双水杨酸杆菌肽+氯苯胍的混悬液,其特征在于所述的助悬剂优选羧甲基纤维素(钠)、甲基纤维素、西黄蓍胶、黄原胶、聚乙烯吡咯烷酮、分子量大于1000的聚乙二醇、氢化蓖麻油,优选黄原胶。
所述的一种含亚甲基双水杨酸杆菌肽+氯苯胍的混悬液,其特征在于所述的润湿剂优选聚山梨酯类、司盘类、甘油、丙二醇、聚氧乙烯蓖麻油、泊洛沙姆,优先泊洛沙姆。
所述的一种含亚甲基双水杨酸杆菌肽+氯苯胍的混悬液,其特征在于所述的防腐剂为:苯甲醇、苯扎氯铵、对-羟基苯甲酸酯、正丁醇、苯甲酸、柠檬酸、山梨酸、苯甲酸钠、丙酸钠,优选苯甲酸钠或丙酸钠。
所述的一种含亚甲基双水杨酸杆菌肽+氯苯胍的混悬液,其特征在于所述的絮凝剂为:枸橼酸盐(酸式盐或正盐)、酒石酸盐(酸式盐或正盐)、磷酸盐中的某一种,优选柠檬酸。
所述的一种含亚甲基双水杨酸杆菌肽+氯苯胍的混悬液,其特征在于制备方法如下:
按照处方量取亚甲基双水杨酸杆菌肽+氯苯胍与纯化水和防腐剂、润湿剂搅拌均匀形成悬浮液,另取处方量助悬剂加入适量纯化水溶胀后,分次加入上述悬浮液中,随加随搅拌,将絮凝剂用水溶解后加入,最后加水至处方量,高速搅匀,制得水混悬口服液。
具体实施方式
下面用实例予以说明本发明,但实例不限制本发明的范围,本发明的范围与核心内容依据权利要求书加以确定。
实例:5%亚甲基双水杨酸杆菌肽+氯苯胍水混悬液
【处方】亚甲基双水杨酸杆菌肽 5%(W/V)
氯苯胍 10%(W/V)
西黄蓍胶 0.8%(W/V)
丙二醇 10%(W/V)
泊洛沙姆 0.3%(W/V)
苯甲酸钠 0.2%(W/V)
纯水 加至100%(V/V)
【制备】
取处方量取亚甲基双水杨酸杆菌肽+氯苯胍和上述各种辅料按照前述制备方法在无菌条件下制备,通过胶体磨,即制得亚甲基双水杨酸杆菌肽+氯苯胍水混悬液。
Claims (5)
1.一种含亚甲基双水杨酸杆菌肽+氯苯胍的水混悬液,其特征在于制剂具体组成为:
(a) 助悬剂 0.1-2.0%(W/V);
(b) 润湿剂 5-20%(W/V);
(c) 防腐剂 0.05-0.50%(W/V);
(d) 絮凝剂 0.1-1%(W/V);
按权利要求1所述的一种含亚甲基双水杨酸杆菌肽+氯苯胍的水混悬液,其特征在于发明的制剂是基于水的,以及可与水任意比例混合的多元醇,如乙二醇、丙二醇、丙三醇,特别优选甘油。
2.按权利要求1所述的一种亚甲基双水杨酸杆菌肽+氯苯胍的混悬液,其特征在于所述的助悬剂优选羧甲基纤维素(钠)、甲基纤维素、西黄蓍胶、黄原胶、聚乙烯吡咯烷酮、分子量大于1000的聚乙二醇、氢化蓖麻油,优选西黄蓍胶。
3.所述的一种含亚甲基双水杨酸杆菌肽+氯苯胍的混悬液,其特征在于所述的润湿剂优选聚山梨酯类、司盘类、甘油、丙二醇、聚氧乙烯蓖麻油、泊洛沙姆,优选聚氧乙烯蓖麻油。
4.按权利要求1所述的一种含亚甲基双水杨酸杆菌肽+氯苯胍的混悬液,其特征在于所述的防腐剂为:苯甲醇、苯扎氯铵、对-羟基苯甲酸酯、正丁醇、苯甲酸、柠檬酸、山梨酸、苯甲酸钠、丙酸钠,优选苯甲酸钠或丙酸钠。
5.按权利要求1所述的一种含亚甲基双水杨酸杆菌肽+氯苯胍的水混悬液,其特征在于制备方法如下:
按照处方量取亚甲基双水杨酸杆菌肽+氯苯胍与纯水和丙二醇搅拌均匀形成悬浮液,另取处方量黄原胶(或羧甲基纤维素钠、西黄蓍胶等)加入适量纯水溶胀后,分次加入上述悬浮液中,随加随搅拌,最后加水至处方量,高速搅匀,制得水混悬口服液。
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