CN104352491B - 一种复方阿莫西林钠脂质体药物及其制备方法 - Google Patents

一种复方阿莫西林钠脂质体药物及其制备方法 Download PDF

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CN104352491B
CN104352491B CN201410667502.XA CN201410667502A CN104352491B CN 104352491 B CN104352491 B CN 104352491B CN 201410667502 A CN201410667502 A CN 201410667502A CN 104352491 B CN104352491 B CN 104352491B
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李良洪
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Abstract

本发明涉及一种复方阿莫西林钠及其制备方法,特别是一种采用包封技术研制而成的复方阿莫西林钠脂质体药物及其制备方法。组合物中各组分的重量份数为:阿莫西林钠0.5‑1.5份,盐酸小檗碱1‑10份,卵磷脂,5‑20份,胆固醇1‑10份,有机溶剂10‑40份,丙二醇10‑20份,月桂氮卓酮0.1‑1.0份,注射用水30‑60份。本发明所述复方阿莫西林钠脂质体药物具有靶向性、长效性、降低毒性和提高被包封药物的稳定性;同时,本发明创新性的将阿莫西林钠与盐酸小檗碱组成复方,既提高了药物疗效又降低了药物毒性。具有广阔的市场前景。

Description

一种复方阿莫西林钠脂质体药物及其制备方法
技术领域
本发明涉及一种复方阿莫西林钠脂质体药物及其制备方法。
背景技术
细菌感染是致病菌或条件致病菌侵入血循环中生长繁殖,产生毒素和其他代谢产物所引起的急性全身性感染,临床上以寒战、高热、皮疹、关节痛及肝脾肿大为特征,部分可有感染性休克和迁徙性病灶。病原微生物自伤口或体内感染病灶侵入血液引起的急性全身性感染。临床上部分患者还可出现烦躁、四肢厥冷及紫绀、脉细速、呼吸增快、血压下降等。尤其是有慢性病或免疫功能低下者、治疗不及时及有并发症者,可发展为败血症或者脓毒血症。
目前对于细菌感染的治疗,主要有菌苗的免疫,抗生素、化学药物、中药等方式进行预防和治疗。其中菌苗免疫,因肠道微生物抗原和抗原决定簇复杂,免疫机制略有差异,免疫效果不确切。随着抗菌药物在临床上的滥用,导致细菌的耐药性十分普遍,如临床上常用的庆大霉素、土霉素、氟哌酸、诺氟沙星等药物疗效降低。与其它预防、治疗方法比较,中草药具有非特异性抗菌作用,残留毒性较低,并且动物一般对它不易产生耐药性。而将中药与西药进行有效配伍,可以减缓耐药菌株的产生
发明内容
本发明提供了一种具有协同抗菌作用的包括头阿莫西林钠和小檗碱的注射剂,对革兰氏阴性菌有很好的抑制作用,大大降低了单方制剂的用量,稳定性佳,不耐药,克服了现有技术中存在的不足之处。
注射液中各组分的比例为阿莫西林钠0.5-1.5份,盐酸小檗碱1-10份,卵磷脂,5-20份,胆固醇1-10份,有机溶剂10-40份,丙二醇10-20份,月桂氮卓酮0.1-1.0份,注射用水30-60份
作为优选,所述有机溶剂选自甘油、PEG、乙酸乙酯或乙醇中的一种、两种或两种以上以任意比混合的混合物;
作为优选,所选PEG为PEG400或PEG600或其任意比例的混合物。
上述兽用复方阿莫西林钠脂质体药物的制备方法,步骤如下:
(1)将卵磷脂、胆固醇溶解于有机溶剂中,加入阿莫西林钠,得到混悬液;
(2)将步骤(1)制得的混悬液,在35-50℃,压力0.02-0.08Mpa,转速≥80r/min条件下减压蒸发10-20min,当容器壁形成一层脂质体薄膜,停止蒸发,通氮气10-20min;
(3)将步骤(2)制得的脂质体薄膜用磷酸缓冲液在转速≥90r/min、35-50℃条件下搅拌1h进行洗膜,然后静置1h,制得多室脂质体混悬液;
(4)将盐酸小檗碱溶解于注射用水中,然后加入到步骤(3)制得的多室脂质体混悬液中,再加入经丙二醇溶解的月桂氮卓酮,转速≥80r/min,搅拌30min,研磨获得小单室脂质体,即得复方伊维菌素脂质体。
所述步骤(3)中的磷酸缓冲液为浓度0.01mol/L,pH=7的NaH2PO4和Na2HPO4缓冲液。
所述步骤(4)中将盐酸小檗碱溶解于注射用水中的过程中同时加入注射用水重量0.04%的抗氧化剂EDTA。
有益效果
1.本发明所述复方阿莫西林钠脂质体药物具有靶向性、长效性、降低毒性和提高被包封药物的稳定性。
2.本发明创新性的将阿莫西林钠与盐酸小檗碱组成复方,既提高了药物疗效又降低了药物毒性。
具体实施方式
实施例1
一种复方阿莫西林钠脂质体药物,其原料组分如下:
阿莫西林钠1份,盐酸小檗碱5份,卵磷脂,5份,胆固醇1份,乙酸乙酯20份,丙二醇10份,月桂氮卓酮0.0.1份,注射用水60份。
上述复方阿莫西林钠脂质体药物的制备方法,步骤如下:
(1)将卵磷脂、胆固醇溶解于有机溶剂中,加入阿莫西林钠,得到混悬液;
(2)将步骤(1)制得的混悬液,在35-50℃,压力0.02-0.06Mpa,转速≥70r/min条件下减压蒸发10-20min,容器壁有一层膜形成,停止蒸发,通氮气10-20min。
(3)将步骤(2)制得的脂质体薄膜用磷酸缓冲液在转速≥90r/min、35-50℃条件下搅拌1h进行洗膜,然后静置1h,制得多室脂质体混悬液;
(4)将0.02份抗氧化剂EDTA和盐酸小檗碱溶解于注射用水中,然后加入到步骤(3)制得的多室脂质体混悬液中,再加入经丙二醇溶解的月桂氮卓酮,转速≥70r/min,
搅拌30min,研磨获得小单室脂质体,即得阿莫西林钠素脂质体。
所述步骤(3)中的磷酸缓冲液为浓度0.01mol/L,pH=7的NaH2PO4和Na2HPO4缓冲液。
实施例2
如实施例1所述的复方阿莫西林钠脂质体药物,不同之处在于,原料组分如下:
阿莫西林钠1.5份,盐酸小檗碱7.5份,卵磷脂10份,胆固醇2份,PEG60030份,丙二醇10份,月桂氮卓酮0.25份,注射用水38份。
制备步骤如实施例1所述,不同之处在于,所得复方阿莫西林钠脂质体药物与葡萄糖混合,搅拌均匀,即得复方阿莫西林钠脂质体粉散剂。
实施例3
如实施例1所述的复方阿莫西林钠脂质体药物,不同之处在于,原料组分如下:
阿莫西林钠0.5份,盐酸小檗碱5.5份,卵磷脂15份,胆固醇5份,PEG40030份,丙二醇10份,月桂氮卓酮0.25份,注射用水45份。
制备步骤如实施例1所述,不同之处在于,将制得的得复方阿莫西林钠脂质体药物溶于纯净水中,即得复方阿莫西林钠脂质体口服液。

Claims (2)

1.一种复方阿莫西林钠脂质体药物,其特征在于,其包括下述重量份数的原料组分:阿莫西林钠1份,盐酸小檗碱5份,卵磷脂5份,胆固醇1份,乙酸乙酯20份,丙二醇10份,月桂氮卓酮0.0.1份,注射用水60份;
或者,其包括下述重量份数的原料组分:阿莫西林钠1.5份,盐酸小檗碱7.5份,卵磷脂10份,胆固醇2份,PEG60030份,丙二醇10份,月桂氮卓酮0.25份,注射用水38份;
或者,其包括下述重量份数的原料组分:阿莫西林钠0.5份,盐酸小檗碱5.5份,卵磷脂15份,胆固醇5份,PEG40030份,丙二醇10份,月桂氮卓酮0.25份,注射用水45份;
所述复方阿莫西林钠脂质体药物的制备方法为:
(1)将卵磷脂、胆固醇溶解于有机溶剂中,加入阿莫西林钠,得到混悬液;
(2)将步骤(1)制得的混悬液,在35-50℃,压力0.02~0.06Mpa,转速≥80r/min条件下减压蒸发10-20min,当容器壁形成一层脂质体薄膜,停止蒸发,通氮气10-20min;
(3)将步骤(2)制得的脂质体薄膜用磷酸缓冲液在转速≥90r/min、35~50℃条件下搅拌1h进行洗膜,然后静置1h,制得多室脂质体混悬液;所述磷酸缓冲液为浓度0.1mol/L,pH=7的NaH2PO4和Na2HPO4缓冲液;
(4)将0.02份抗氧化剂EDTA和盐酸小檗碱溶解于注射用水中,然后加入到步骤(3)制得的多室脂质体混悬液中,再加入经丙二醇溶解的月桂氮卓酮,转速≥70r/min,搅拌30min,研磨获得小单室脂质体,即得复方阿莫西林钠脂质体。
2.如权利要求1所述复方阿莫西林钠脂质体药物的制备方法,其特征在于,步骤如下:
(1)将卵磷脂、胆固醇溶解于有机溶剂中,加入阿莫西林钠,得到混悬液;
(2)将步骤(1)制得的混悬液,在35~50℃,压力0.02~0.06Mpa,转速≥80r/min条件下减压蒸发10~20min,当容器壁形成一层脂质体薄膜,停止蒸发,通氮气10~20min;
(3)将步骤(2)制得的脂质体薄膜用磷酸缓冲液在转速≥90r/min、35~50℃条件下搅拌1h进行洗膜,然后静置1h,制得多室脂质体混悬液;所述磷酸缓冲液为浓度0.1mol/L,pH=7的NaH2PO4和Na2HPO4缓冲液;
(4)将0.02份抗氧化剂EDTA和盐酸小檗碱溶解于注射用水中,然后加入到步骤(3)制得的多室脂质体混悬液中,再加入经丙二醇溶解的月桂氮卓酮,转速≥70r/min,搅拌30min,研磨获得小单室脂质体,即得复方阿莫西林钠脂质体。
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CN101078697A (zh) * 2007-06-29 2007-11-28 南京师范大学 测定脂质体相变温度的方法
CN101623259A (zh) * 2009-07-23 2010-01-13 海南美大制药有限公司 阿莫西林脂质体固体制剂及其新应用
CN103768026A (zh) * 2014-02-18 2014-05-07 烟台金海药业有限公司 一种含有阿莫西林的可溶于水的微粉及其制备方法

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CN101078697A (zh) * 2007-06-29 2007-11-28 南京师范大学 测定脂质体相变温度的方法
CN101623259A (zh) * 2009-07-23 2010-01-13 海南美大制药有限公司 阿莫西林脂质体固体制剂及其新应用
CN103768026A (zh) * 2014-02-18 2014-05-07 烟台金海药业有限公司 一种含有阿莫西林的可溶于水的微粉及其制备方法

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