CN108685848B - 一种奥利司他口服乳剂及其制备方法 - Google Patents
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Abstract
本发明属于医药技术领域,具体涉及一种奥利司他口服乳剂及其制备方法。本发明提供的奥利司他口服乳剂,包括以下组分及其质量百分数:奥利司他2‑2.6%,乳化剂0.32‑0.38%,矫味剂6‑9%,助悬剂0.7‑1.2%,山梨酸钾0.08‑0.12%,香精0.08‑0.12%,纯化水86.58‑90.82%。本发明提供的奥利司他口服乳剂中,奥利司他以极细小的乳粒分散在水中,口服后立即释放,口服吸收释放快,生物利用度高。另外,本发明提供的奥利司他口服乳剂的质量均符合标准要求,且质量稳定。
Description
技术领域
本发明属于医药技术领域,具体涉及一种奥利司他口服乳剂及其制备方法。
背景技术
奥利司他(orlistat)为由罗氏制药公司研发的脂肪酶抑制剂类减肥药,商品名Xenical,上个世纪九十年代末率先在欧美上市,2001年在中国上市,并于2005年被中国食品药品监督管理局批准转为非处方药。其化学名为N-甲酰-L-亮氨酸(s)-1[(2s,3s)3-己基-4氧基-2-环氧丙基甲基]十二酯,也称四氢脂抑素(Tetrahydrolipstatin,THL),是一种半合成的脂抑素衍生物,其化学结构式如下式所示:
奥利司他以其Ⅱ晶型的胶囊剂与片剂供药用,也是目前国内外唯一一种不影响食欲、不作用于中枢神经系统的化学减肥药,安全性特征优越,Bray GA于《柳叶刀》杂志发表的一篇名为Management of Obesity的文章中将奥利司他描述为“最安全”(safest)的减肥药。市售制剂中的Ⅱ型奥利司他结晶为白色至灰白色结晶性粉末,基本不溶于水,易溶于氯仿,极易溶于甲醇与乙醇,且在生理pH值范围内无pKa值。而Ⅱ晶型奥利司他的熔点仅为43℃,高于此温度,奥利司他溶解为油状液体。由于奥利司他不溶于水,制备成固体口服制剂的胶囊剂和片剂,不利于奥利司他口服后的释放,生物利用度较低。鉴于奥利司他优越的安全性,有必要改善奥利司他制剂所存在的不足,从而扩大其临床应用,借以应对日趋严峻的肥胖症发病形式。
中国专利申请CN102552409A公开了一种复方奥利司他纳米乳口服液,由下列质量百分比的原料组成:表面活性剂35%~45%、助表面活性剂0~1%、油相0~1%、奥利司他0.5%~4%、火麻仁油0.5%~3%、月见草油0.5%~2%、β—胡萝卜素0.1%~0.5%、维生素D 0.0001%~0.002%、维生素E 0.1%~0.5%、维生素K 0.0001%~0.002%、余量为去离子水,上述原料的质量百分比之和为100%。虽然该发明具有减少食物中脂肪和热量的吸收、加速消耗体内囤积的顽固棕色脂肪组织、补充减肥过程中流失的微量营养物质、降低血脂与胆固醇等多种功效,但是其成分复杂,且含有较高含量的表面活性剂。
目前关于奥利司他口服乳剂的报道较少,因此有必要研发出一种生物利用度高,质量稳定的奥利司他口服乳剂。
发明内容
针对现有技术的不足,本发明的目的在于提供一种奥利司他口服乳剂及其制备方法。本发明提供的奥利司他口服乳剂中,奥利司他以极细小的乳粒分散在水中,口服后立即释放,口服吸收释放快,生物利用度高。另外,本发明提供的奥利司他口服乳剂的质量均符合标准要求,且质量稳定。
本发明的技术方案是:
一种奥利司他口服乳剂,包括以下组分及其质量百分数:
奥利司他2-2.6%,乳化剂0.32-0.38%,矫味剂6-9%,助悬剂0.7-1.2%,山梨酸钾0.08-0.12%,香精0.08-0.12%,纯化水86.58-90.82%。
进一步地,一种奥利司他口服乳剂,由以下组分及其质量百分数组成:
奥利司他2.4%,乳化剂0.36%,矫味剂8%,助悬剂1%,山梨酸钾0.1%,香精0.1%,纯化水88.04%。
优选地,所述乳化剂为吐温80。
优选地,所述矫味剂为木糖醇。
优选地,所述助悬剂为西黄蓍胶。
另外,本发明还提供了所述的奥利司他口服乳剂的制备方法,包括以下步骤:
S1将奥利司他于43℃热水浴中加热溶解,加入乳化剂,加热搅拌均匀,控制温度为42-44℃,得油相;
S2将纯化水加入高速均质搅拌机中,加入助悬剂,设置45℃加热溶胀,搅拌均匀,加入矫味剂、山梨酸钾,加热,搅拌溶解,控制温度在44-46℃,得水相;S3开启高速均质搅拌机,向步骤S2所得水相中加入步骤S1所得油相,边加边搅拌,加毕,均质,均质速度为3000r/min,均质时间为5min,得均质乳液;
S4高速均质机夹套通冷水降温,待步骤S3所得均质乳液的温度降至30℃以下时,加入香精,搅拌均匀,得乳液;
S5将步骤S4所得乳液灌装进洁净的5mL口服液瓶中,每瓶灌装量为5g,轧盖,封口。
本发明将奥利司他加热溶解,乳化,制备成的乳剂中,奥利司他以极细小的乳粒分散在水中,口服后立即释放,显著改善了药物的生物利用度、释放度等性能;在乳剂中添加矫味剂和食用香精,进一步改善患者用药的顺应性;因此本发明奥利司他口服乳剂具有很好的应用前景。
与现有技术相比,本发明具有以下优势:
(1)按照本发明制备的奥利司他口服乳剂的质量均符合标准要求,且质量稳定。
(2)本发明提供的奥利司他口服乳剂中,奥利司他以极细小的乳粒分散在水中,口服吸收释放快,生物利用度高。
(3)本发明提供的奥利司他口服乳剂中添加矫味剂和食用香精,进一步改善了患者用药的顺应性,因此,本发明奥利司他口服乳剂有着广阔的应用前景。
(4)本发明提供的奥利司他口服乳剂的制备方法简单,适合工业化生产。
附图说明
图1是01批有关物质检测的高效液相色谱图;
图2是02批有关物质检测的高效液相色谱图;
图3是03批有关物质检测的高效液相色谱图;
图4是01批含量检测的高效液相色谱图;
图5是02批含量检测的高效液相色谱图;
图6是03批含量检测的高效液相色谱图。
具体实施方式
以下通过具体实施方式的描述对本发明作进一步说明,但这并非是对本发明的限制,本领域技术人员根据本发明的基本思想,可以做出各种修改或改进,但是只要不脱离本发明的基本思想,均在本发明的范围之内。
实施例1、一种奥利司他口服乳剂
制备方法:
S1将奥利司他于43℃热水浴中加热溶解,加入吐温-80,加热搅拌均匀,控制温度为43℃,得油相;
S2将纯化水加入高速均质搅拌机中,加入西黄蓍胶,设置45℃加热溶胀,搅拌均匀,加入木糖醇、山梨酸钾,加热,搅拌溶解,控制温度在45℃,得水相;
S3开启高速均质搅拌机,向步骤S2所得水相中加入步骤S1所得油相,边加边搅拌,加毕,均质,均质速度为3000r/min,均质时间为5min,得均质乳液;
S4高速均质机夹套通冷水降温,待步骤S3所得均质乳液的温度降至30℃以下时,加入香精,搅拌均匀,得乳液;
S5将步骤S4所得乳液灌装进洁净的5mL口服液瓶中,每瓶灌装量为5g,轧盖,封口。
实施例2、一种奥利司他口服乳剂
制备方法:
S1将奥利司他于43℃热水浴中加热溶解,加入吐温-80,加热搅拌均匀,控制温度为42℃,得油相;
S2将纯化水加入高速均质搅拌机中,加入西黄蓍胶,设置45℃加热溶胀,搅拌均匀,加入木糖醇、山梨酸钾,加热,搅拌溶解,控制温度在44℃,得水相;
S3开启高速均质搅拌机,向步骤S2所得水相中加入步骤S1所得油相,边加边搅拌,加毕,均质,均质速度为3000r/min,均质时间为5min,得均质乳液;
S4高速均质机夹套通冷水降温,待步骤S3所得均质乳液的温度降至30℃以下时,加入香精,搅拌均匀,得乳液;
S5将步骤S4所得乳液灌装进洁净的5mL口服液瓶中,每瓶灌装量为5g,轧盖,封口。
实施例3、一种奥利司他口服乳剂
制备方法:
S1将奥利司他于43℃热水浴中加热溶解,加入吐温-80,加热搅拌均匀,控制温度为44℃,得油相;
S2将纯化水加入高速均质搅拌机中,加入西黄蓍胶,设置45℃加热溶胀,搅拌均匀,加入木糖醇、山梨酸钾,加热,搅拌溶解,控制温度在46℃,得水相;
S3开启高速均质搅拌机,向步骤S2所得水相中加入步骤S1所得油相,边加边搅拌,加毕,均质,均质速度为3000r/min,均质时间为5min,得均质乳液;
S4高速均质机夹套通冷水降温,待步骤S3所得均质乳液的温度降至30℃以下时,加入香精,搅拌均匀,得乳液;
S5将步骤S4所得乳液灌装进洁净的5mL口服液瓶中,每瓶灌装量为5g,轧盖,封口。
试验例一、质量测定
将实施例1制备的三批奥利司他口服乳剂进行乳粒粒径、单杂、总杂、含量测定,结果见表1,有关物质(未知单个杂质、总杂质)及含量检测的高效液相色谱图如图1~图6所示。
表1:质量测定结果
由表1以及图1~6可以得出,按照本发明制备的奥利司他口服乳剂的质量均符合标准要求,质量稳定,口服吸收释放快,生物利用度高。
Claims (4)
1.一种奥利司他口服乳剂,其特征在于,包括以下组分及其质量百分数:
奥利司他2-2.6%,乳化剂0.32-0.38%,矫味剂6-9%,助悬剂0.7-1.2%,山梨酸钾0.08-0.12%,香精0.08-0.12%,纯化水86.58-90.82%;
所述乳化剂为吐温80;
所述助悬剂为西黄蓍胶。
2.如权利要求1所述的奥利司他口服乳剂,其特征在于,由以下组分及其质量百分数组成:
奥利司他2.4%,乳化剂0.36%,矫味剂8%,助悬剂1%,山梨酸钾0.1%,香精0.1%,纯化水88.04%。
3.如权利要求1或2所述的奥利司他口服乳剂,其特征在于,所述矫味剂为木糖醇。
4.如权利要求1-3任一项所述的奥利司他口服乳剂的制备方法,其特征在于,包括以下步骤:
S1将奥利司他于43℃热水浴中加热溶解,加入乳化剂,加热搅拌均匀,控制温度为42-44℃,得油相;
S2将纯化水加入高速均质搅拌机中,加入助悬剂,设置45℃加热溶胀,搅拌均匀,加入矫味剂、山梨酸钾,加热,搅拌溶解,控制温度在44-46℃,得水相;
S3开启高速均质搅拌机,向步骤S2所得水相中加入步骤S1所得油相,边加边搅拌,加毕,均质,均质速度为3000r/min,均质时间为5min,得均质乳液;
S4高速均质机夹套通冷水降温,待步骤S3所得均质乳液的温度降至30℃以下时,加入香精,搅拌均匀,得乳液;
S5将步骤S4所得乳液灌装进洁净的5mL口服液瓶中,每瓶灌装量为5g,轧盖,封口。
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