CN109758435A - 奥美拉唑气雾剂及其制备方法 - Google Patents
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Abstract
本发明属于医药技术领域,公开了奥美拉唑气雾剂及其制备方法。所述的奥美拉唑气雾剂由活性成分奥美拉唑、潜溶剂、表面活性剂、抛射剂、抗氧剂组成。在该制剂中活性成分可通过鼻腔或口腔吸入至肺,迅速吸收而快速起效,可以有效避免主成份奥美拉唑在胃肠道中破坏和肝首过效应,具有生物利用度高,依从性好,携带及使用方便,适合工业化生产等优点。
Description
技术领域
本发明涉及一种奥美拉唑气雾剂及其制备方法,属于药物制剂技术领域。
背景技术
胃溃疡、十二指肠溃疡的形成均与胃酸和胃蛋白酶的消化作用有关,故称为消化性溃疡。在人群中约有10%的人在一生当中可能罹患此病,因此是一个多发病和常见病,在消化科中占有重要的地位。胃溃疡、十二指肠溃疡病因复杂,有遗传因素、化学因素、生活因素、精神因素、感染因素等,常见于饮食不规律、工作压力大、精神紧张人员,此外长期吸烟和饮酒也是巨大诱因。大多数胃溃疡、十二指肠溃疡患者病情反复发作,并且发作期与缓解期随季节变换、精神紧张、情绪波动、饮食不调或服用与发病有关的药物等因素的变化互相交替出现。。
奥美拉唑是首个上市的质子泵抑制剂,由瑞典阿斯特拉制药公司(阿斯利康制药前身)研发成功,于1988 年在瑞士首先上市,商品名为“Antra”。1989 年进入美国市场,用于治疗十二指肠溃疡、胃溃疡、反流性食管炎及 Zollinger-Ellison 综合征,商品名为“洛赛克”。从此,洛赛克便风靡全球,成为美国处方量最大的药物之一,在 1998~2000 年间,连续 3 年排名全球畅销药物之首。2000年洛赛克全球销售额为62.60亿美元,堪称20世纪末“重磅炸弹”。
奥美拉唑,化学名 :5-甲氧基-2-﹛[(4-甲氧基-3,5-二甲基-2-吡啶基)-甲基]-亚磺酰基﹜-1H-苯并咪唑,英文名 :Omeprazole分子量 :345.42,分子式:C17H19N3O3S,结构式如下 :
奥美拉唑可高度选择性地与胃壁细胞中 H+/K+-ATP 酶结合,使其失去活性,从而控制和阻断胃酸分泌的最后环节,使胃壁细胞内的 H+ 不能转运到胃中,是一强力胃酸分泌抑制剂。对十二指肠溃疡、胃溃疡、返流性食管炎、卓-艾氏综合症等均有显著疗效。
目前上市的奥美拉唑制剂形式有多种,例如片剂、胶囊、微丸等口服剂型。稳定性差,长期贮存易变色,且口服后易受胃肠道破坏。鉴于现有技制剂存在耐酸性和稳定性不足的问题,本发明通过对含奥美拉唑气雾剂的处方和工艺进行研究,提供了一种新型的含奥美拉唑的气雾剂。
发明内容
目前上市的奥美拉唑制剂稳定性差,长期贮存易变色,且口服后易受胃肠道破坏。鉴于现有技制剂存在耐酸性和稳定性不足的问题,本发明通过对含奥美拉唑气雾剂的处方和工艺进行研究,提供了一种新型的含奥美拉唑的气雾剂。
本发明为一种用于治疗胃溃疡、十二指肠溃疡的奥美拉唑气雾剂,通过口腔吸入或鼻腔吸入,其特征在于其配方含有奥美拉唑0.1%~20%、潜溶剂0%~30%、表面活性剂0%~2%,抗氧剂0%~5%和抛射剂40%~99.5%
它以奥美拉唑作为活性成分,奥美拉唑含量优选为0.5%~10%,更优选为2.5%~5%。
所述抛射剂为四氟乙烷、七氟丙烷、二甲醚、丙烷、正丁烷、异丁烷、三氯一氟甲烷、二氯二氟甲烷、二氯四氟乙烷、二氯一氟乙烷、一氯二氟乙烷、二氟乙烷之一或组合,所述抛射剂的用量优选为45%~90%,更优选为50%~80%。
所述潜溶剂选自丙烷、正丁烷、异丁烷、正戊烷、异戊烷、新戊烷、无水乙醇、丙二醇、甘油、聚乙二醇、聚乙烯吡咯烷酮之一或组合,优选为5%~25%,更优选为10%~20%。
所述表面活性剂为司盘20、司盘60、司盘65、司盘80、司盘85、吐温20、吐温80、大豆磷脂、卵磷脂、油酸、失水山梨醇三油酸酯、失水山梨醇硬脂酸酯、失水山梨醇单油酸酯、聚乙二醇300、泊洛沙姆、十二烷基硫酸钠之一或组合,表面活性剂的用量优选为0.5%~1%。
所述抗氧剂为维生素C、维生素E、焦亚硫酸钠、聚乙二醇、聚乙烯吡咯烷酮、聚丙烯酰胺、神经节苷脂、大豆甾醇葡萄糖苷之一或组合,抗氧剂优选为1%~3%。
奥美拉唑气雾剂制备方法,包括如下步骤 :按所述配方,将奥美拉唑、潜溶剂、表面活性剂、抗氧剂均匀混合后,加入气雾剂密闭容器中,之后再压入抛射剂,即可。
奥美拉唑气雾剂密闭容器选择定量气雾剂阀门,定量气雾剂阀门释药范围为 25μl~200μl,优选的是50μl和100μl的定量气雾剂阀门。
本发明所制备的奥美拉唑气雾剂,活性成分可通过鼻腔或口腔吸入至肺,迅速吸收而快速起效,可以有效避免主成份奥美拉唑在胃肠道中破坏和肝首过效应,具有生物利用度高,依从性好,质量稳定可控,携带及使用方便,适合工业化生产等优点。
四、具体实施方式:
以下为本发明的具体实施方式,实施例是为进一步描述本发明而不是限制本发明。凡与本发明等效的技术方案均属于本发明的保护范围。
实施例1
| 成分名称 | 重量 |
| 奥美拉唑 | 50g |
| 无水乙醇 | 200g |
| 吐温80 | 10g |
| 聚乙二醇300 | 20g |
| 四氟乙烷 | 720g |
制备方法:
称取处方量的奥美拉唑50g、无水乙醇200g、吐温80 10g、聚乙二醇300 20g,将无水乙醇、吐温80、聚乙二醇300搅拌溶解,随后加入奥美拉唑,充分搅拌均匀,成透明溶液,过滤,按规定的灌装量灌入抽真空的铝罐中,加装定量阀,密闭,最后灌入四氟乙烷后得到成品。每瓶装 10ml,共装100瓶,每揿100ul。
实施例2
| 成分名称 | 重量 |
| 奥美拉唑 | 50g |
| 丙二醇 | 200g |
| 泊洛沙姆 | 10g |
| 焦亚硫酸钠 | 20g |
| 七氟丙烷 | 720g |
制备方法:
称取处方量的奥美拉唑50g、丙二醇200g、泊洛沙姆10g、焦亚硫酸钠20g,将丙二醇、泊洛沙姆、焦亚硫酸钠搅拌溶解,随后加入奥美拉唑,充分搅拌均匀,成透明溶液,过滤,按规定的灌装量灌入抽真空的铝罐中,加装定量阀,密闭,最后灌入七氟丙烷后得到成品。每瓶装 10ml,共装100瓶,每揿100ul。
实施例3
| 成分名称 | 重量 |
| 奥美拉唑 | 50g |
| 甘油 | 200g |
| 十二烷基硫酸钠 | 10g |
| 维生素E | 20g |
| 二甲醚 | 720g |
制备方法:
称取处方量的奥美拉唑50g、甘油200g、十二烷基硫酸钠10g、维生素E20g,将甘油、十二烷基硫酸钠、维生素E搅拌溶解,随后加入奥美拉唑,充分搅拌均匀,成透明溶液,过滤,按规定的灌装量灌入抽真空的铝罐中,加装定量阀,密闭,最后灌入二甲醚后得到成品。每瓶装10ml,共装100瓶,每揿50ul。
实施例4
| 成分名称 | 重量 |
| 奥美拉唑 | 25g |
| 无水乙醇 | 180g |
| 卵磷脂 | 15g |
| 维生素E | 15g |
| 四氟乙烷 | 765g |
制备方法:
称取处方量的奥美拉唑25g、无水乙醇180g、卵磷脂15g、维生素E15g,将无水乙醇、卵磷脂、维生素E搅拌溶解,随后加入奥美拉唑,充分搅拌均匀,成透明溶液,过滤,按规定的灌装量灌入抽真空的铝罐中,加装定量阀,密闭,最后灌入四氟乙烷后得到成品。每瓶装 10ml,共装100瓶,每揿50ul。
实施例5
| 成分名称 | 重量 |
| 奥美拉唑 | 25g |
| 丙二醇 | 200g |
| 吐温80 | 15g |
| 焦亚硫酸钠 | 15g |
| 七氟丙烷 | 745g |
制备方法:
称取处方量的奥美拉唑25g、丙二醇200g、吐温80 15g、焦亚磷酸钠15g,将丙二醇、吐温80、焦亚磷酸钠搅拌溶解,随后加入奥美拉唑,充分搅拌均匀,成透明溶液,过滤,按规定的灌装量灌入抽真空的铝罐中,加装定量阀,密闭,最后灌入七氟丙烷后得到成品。每瓶装10ml,共装100瓶,每揿50ul。
实施例6
| 成分名称 | 重量 |
| 奥美拉唑 | 25g |
| 甘油 | 170g |
| 泊洛沙姆 | 10g |
| 维生素E | 15g |
| 四氟乙烷 | 780g |
制备方法:
称取处方量的奥美拉唑25g、甘油170g、泊洛沙姆10g、维生素E15g,将甘油、泊洛沙姆、维生素E搅拌溶解,随后加入奥美拉唑,充分搅拌均匀,成透明溶液,过滤,按规定的灌装量灌入抽真空的铝罐中,加装定量阀,密闭,最后灌入四氟乙烷后得到成品。每瓶装 10ml,共装100瓶,每揿50ul。
Claims (7)
1.本发明为一种用于治疗胃溃疡、十二指肠溃疡的奥美拉唑气雾剂,通过口腔吸入或鼻腔吸入,其特征在于其配方含有奥美拉唑0.1%~20%、潜溶剂0%~30%、表面活性剂0%~2%,抗氧剂0%~5%和抛射剂40%~99.5%
按权利要求1 所述的奥美拉唑气雾剂,其特征在于,它以奥美拉唑作为活性成分,奥美拉唑含量优选为0.5%~10%,更优选为2.5%~5%。
2.如权利要求 1 所述的奥美拉唑气雾剂,其特征在于,所述抛射剂为四氟乙烷、七氟丙烷、二甲醚、丙烷、正丁烷、异丁烷、三氯一氟甲烷、二氯二氟甲烷、二氯四氟乙烷、二氯一氟乙烷、一氯二氟乙烷、二氟乙烷之一或组合,所述抛射剂的用量优选为45%~90%,更优选为50%~80%。
3.如权利要求 1 所述的奥美拉唑气雾剂,其特征在于,所述潜溶剂选自丙烷、正丁烷、异丁烷、正戊烷、异戊烷、新戊烷、无水乙醇、丙二醇、甘油、聚乙二醇、聚乙烯吡咯烷酮之一或组合,优选为5%~25%,更优选为10%~20%。
4.如权利要求 1 所述的奥美拉唑气雾剂,其特征在于,所述表面活性剂为司盘20、司盘60、司盘65、司盘80、司盘85、吐温20、吐温80、大豆磷脂、卵磷脂、油酸、失水山梨醇三油酸酯、失水山梨醇硬脂酸酯、失水山梨醇单油酸酯、聚乙二醇300、泊洛沙姆、十二烷基硫酸钠之一或组合,表面活性剂的用量优选为0.5%~1%。
5.如权利要求 1 所述的奥美拉唑气雾剂,其特征在于,所述抗氧剂为维生素C、维生素E、焦亚硫酸钠、聚乙二醇、聚乙烯吡咯烷酮、聚丙烯酰胺、神经节苷脂、大豆甾醇葡萄糖苷之一或组合,抗氧剂优选为1%~3%。
6.权利要求 1~6 任一项所述的奥美拉唑气雾剂的制备方法,其特征在于,包括如下步骤 :按所述配方,将奥美拉唑、潜溶剂、表面活性剂、抗氧剂均匀混合后,加入气雾剂密闭容器中,之后再压入抛射剂,即可。
7.如权利要求1~7所述的奥美拉唑气雾剂的制备方法,其特征在于,奥美拉唑气雾剂密闭容器选择定量气雾剂阀门,定量气雾剂阀门释药范围为 25μl ~ 200μl ,优选的是50μl 和 100μl 的定量气雾剂阀门。
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