CN116687961A - 一种含有兰索拉唑及碳酸氢钠的干混悬剂及其制备方法 - Google Patents
一种含有兰索拉唑及碳酸氢钠的干混悬剂及其制备方法 Download PDFInfo
- Publication number
- CN116687961A CN116687961A CN202310306307.3A CN202310306307A CN116687961A CN 116687961 A CN116687961 A CN 116687961A CN 202310306307 A CN202310306307 A CN 202310306307A CN 116687961 A CN116687961 A CN 116687961A
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- CN
- China
- Prior art keywords
- parts
- lansoprazole
- sodium bicarbonate
- dry suspension
- sodium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 title claims abstract description 80
- MJIHNNLFOKEZEW-UHFFFAOYSA-N lansoprazole Chemical compound CC1=C(OCC(F)(F)F)C=CN=C1CS(=O)C1=NC2=CC=CC=C2N1 MJIHNNLFOKEZEW-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 229960003174 lansoprazole Drugs 0.000 title claims abstract description 78
- 239000000725 suspension Substances 0.000 title claims abstract description 55
- 229910000030 sodium bicarbonate Inorganic materials 0.000 title claims abstract description 40
- 235000017557 sodium bicarbonate Nutrition 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 238000002156 mixing Methods 0.000 claims abstract description 27
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 21
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 claims description 19
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- 229940082509 xanthan gum Drugs 0.000 claims description 18
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 17
- 239000004376 Sucralose Substances 0.000 claims description 17
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- 239000000811 xylitol Substances 0.000 claims description 17
- 235000010447 xylitol Nutrition 0.000 claims description 17
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 claims description 17
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- 239000002904 solvent Substances 0.000 claims description 15
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- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 12
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- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
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- UEDUENGHJMELGK-HYDKPPNVSA-N Stevioside Chemical compound O([C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1O[C@]12C(=C)C[C@@]3(C1)CC[C@@H]1[C@@](C)(CCC[C@]1([C@@H]3CC2)C)C(=O)O[C@H]1[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O1)O)[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O UEDUENGHJMELGK-HYDKPPNVSA-N 0.000 claims description 3
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- WBZFUFAFFUEMEI-UHFFFAOYSA-M Acesulfame k Chemical compound [K+].CC1=CC(=O)[N-]S(=O)(=O)O1 WBZFUFAFFUEMEI-UHFFFAOYSA-M 0.000 claims description 2
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
- A61K31/4427—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems
- A61K31/4439—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. omeprazole
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K33/00—Medicinal preparations containing inorganic active ingredients
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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Abstract
本发明涉及一种含有兰索拉唑及碳酸氢钠的干混悬剂及其制备方法,通过严格控制碳酸氢钠的用量和各组分的配比,使得制成的干混悬剂具有较好的耐酸力和稳定性。产品中的有效成分碳酸氢钠可快速中和胃酸从而缓解胃酸过度、胃部疼痛等症状,在中和胃酸后可降低胃酸对药物的降解,提高了兰索拉唑在人体胃部环境中的稳定性,保证了本品在胃部快速溶出、生物利用度高,从而达到快速起效的目的。同时,本发明在研究过程中,意外的发现,通过特定的混合顺序,既能进一步提高产品的稳定性和混合均匀性,也能起到更好的掩味效果。另外,制备成干混悬剂,特别适用于老人、儿童和吞咽困难的患者服用,具有同等规格下片剂或胶囊剂无法比拟的临床顺应性。本产品制备方法简单,可操作性强,具有极大的临床意义。
Description
技术领域
本发明属于药物制剂技术领域,具体涉及一种含有兰索拉唑及碳酸氢钠的干混悬剂及其制备方法。
背景技术
兰索拉唑是为一新型质子泵抑制剂,由血液进入壁细胞内后转变成有活性的亚磺酸胺衍生物,该活性物连接到H+、K+-腺苷三磷胺(ATP)酶的巯基上(H+、K+-ATP酶催化胃酸分泌过程的最后一步),所以钝化了H+、K+-ATP酶,抑制了中枢及外周两者调节的胃酸分泌。它对基础和己知的所有刺激导致的胃酸分泌均有持续的抑制,能长期有效地将胃内pH维持在4以上。
兰索拉唑理化性质极不稳定,易受光线、重金属离子、氧化性和还原性成分等多种因素的影响,尤其在酸性条件时,其化学结构发生破坏性变化,从而导致兰索拉唑降解,并降低了药物起效速度和生物利用度。目前,避免活性成分在胃酸中释放的制剂技术,主要是将兰索拉唑制成肠溶制剂,如武田制药的兰索拉唑肠溶缓释胶囊(商品名:PREVACID®)、右兰索拉唑缓释胶囊(商品名:DEXILANT®);或制备为注射剂(商品名:PREVACID® I.V.)。但兰索拉唑肠溶制剂也抑制了其对胃酸的初步抑制作用,一般口服药物后1小时左右才能血中检出,3.6小时才达峰,起效时间较长,同时也增加了技术难度和生产成本。注射剂显而易见的带来了用药依从性问题以及更高的安全性风险。
专利CN 103006654 A提供了一种含有兰索拉唑的药物组合物,是由兰索拉唑、碳酸氢钠、乳糖、交联羧甲基纤维素钠、2%聚维酮和硬脂酸镁制成片剂或胶囊剂。碳酸氢钠加入量非常有限,难以快速中和胃酸从而快速缓解胃酸过度、胃部疼痛等症状;而且其溶出效果不佳,生物利用度低;该法制备的片剂或胶囊的规格较大,也不利于老人和儿童服用,临床顺应性差。
专利CN 106619520 A公开一种右兰索拉唑钠的干混悬剂,包含右兰索拉唑钠的新晶型A,碳酸氢钠,增溶剂,胃溶速释微丸A,肠溶缓释微丸B,填充剂,助悬剂,矫味剂及其他药学上可接受的辅料,可以缓解胃酸过度、胃部疼痛等症状,但是制备过程过于复杂,难以保持本品于酸性环境中的稳定性。
因此,开发一种制备过程简单、工艺稳定可控、样品溶出迅速、可快速中和胃酸从而缓解胃酸过度、胃部疼痛等症状的兰索拉唑干混悬的制备方法,并能获得质量稳定的固体制剂具有重大意义。
发明内容
针对现有技术存在的问题,本发明提供一种兰索拉唑碳酸氢钠干混悬剂及其制备方法。本发明制备的兰索拉唑碳酸氢钠干混悬剂可快速中和胃酸从而缓解胃酸过度、胃部疼痛等症状,通过中和胃部酸性环境,提高了兰索拉唑在人体胃部环境中的稳定性,保证了本品在胃部快速溶出、生物利用度高,从而达到快速起效的目的。
本发明的技术方案如下:
一种兰索拉唑碳酸氢钠干混悬剂,按照重量份数计包括以下组分:兰索拉唑15~30份、碳酸氢钠1680~2100份、稀释剂3000~4200份、助悬剂50~70份、矫味剂80~90份和增溶剂40~60份。
在一些实施方案中,所述的兰索拉唑碳酸氢钠干混悬剂,按照重量份数计包括以下组分:兰索拉唑15~30份、碳酸氢钠1680~2100份、稀释剂3710~4130份、助悬剂60份、矫味剂90份和增溶剂40~60份。
在一些实施方案中,所述稀释剂选自葡萄糖、乳糖、木糖醇、蔗糖、甘露醇、山梨醇或预胶化淀粉中的一种或几种,优选为乳糖和木糖醇。
在一些实施方案中,所述助悬剂选自羟丙基纤维素、羟丙甲纤维素、微晶纤维素-羧甲基纤维素钠、黄原胶、卡波姆、泊洛沙姆或西黄蓍胶中的一种或几种;优选为黄原胶。
在一些实施方案中,所述矫味剂选自三氯蔗糖、香精、甘草甜素、麦芽糖醇、阿司帕坦、甜菊糖或安赛蜜中的一种或几种;优选为三氯蔗糖和香精。
在一些实施方案中,所述增溶剂选自十二烷基硫酸钠、吐温80或牛磺胆酸钠中的一种或几种;优选为十二烷基硫酸钠。
在一些实施方案中,所述兰索拉唑的粒径D90小于20μm,优选为粒径D90小于10μm。
在一些典型的实施方案中,所述兰索拉唑干混悬剂由以下重量份数的组分制成:兰索拉唑15份、碳酸氢钠1680份、乳糖2065份、木糖醇2065份、黄原胶60份、三氯蔗糖30份、香精 60份和十二烷基硫酸钠40份。
在一些典型的实施方案中,所述兰索拉唑干混悬剂由以下重量份数的组分制成:兰索拉唑15份、碳酸氢钠2100份、乳糖1855份、木糖醇1855份、黄原胶60份、三氯蔗糖30份、香精 60份和十二烷基硫酸钠40份。
在一些典型的实施方案中,所述兰索拉唑干混悬剂由以下重量份数的组分制成:兰索拉唑30份、碳酸氢钠1680份、乳糖2065份、木糖醇2065份、黄原胶60份、三氯蔗糖30份、香精 60份和十二烷基硫酸钠40份。
在一些典型的实施方案中,所述兰索拉唑干混悬剂由以下重量份数的组分制成:兰索拉唑30份、碳酸氢钠2100份、乳糖1855份、木糖醇1855份、黄原胶60份、三氯蔗糖30份、香精 60份和十二烷基硫酸钠40份。
在一些典型的实施方案中,所述兰索拉唑干混悬剂由以下重量份数的组分制成:兰索拉唑30份、碳酸氢钠1680份、乳糖2055份、木糖醇2055份、黄原胶60份、三氯蔗糖30份、香精 60份和十二烷基硫酸钠60份。
本发明还提供了上述兰索拉唑碳酸氢钠干混悬剂的制备方法,它包括如下步骤:
(1)预处理:将活性组分兰索拉唑钠,进行微粉化处理,控制其粒径D90 在20μm以下;将碳酸氢钠过60目筛;其他辅料过筛备用;
(2)混合:将活性组分索拉唑钠、矫味剂、助悬剂、增溶剂混合均匀,再加入碳酸氢钠,再次混合均匀,最后加入稀释剂混合均匀。
(3)分装:按照拟定剂量进行包装,得到干混悬剂。
在一些实施方案中,所述步骤(1)中,将活性组分兰索拉唑,进行微粉化处理,控制其粒径D90 在10μm以下。
在一些实施方案中,所述步骤(2)中,将活性组分兰索拉唑、矫味剂、助悬剂、增溶剂混合均匀,再加入碳酸氢钠,再次混合均匀,最后加入稀释剂混合均匀。按照拟定剂量进行包装,得到干混悬剂。
本发明的有益效果:本发明提供的兰索拉唑碳酸氢钠干混悬剂,通过严格控制碳酸氢钠的用量和各组分的配比,使得制成的干混悬剂具有较好的耐酸力和稳定性。产品中的有效成分碳酸氢钠可快速中和胃酸从而缓解胃酸过度、胃部疼痛等症状,在中和胃酸后可降低胃酸对药物的降解,提高了兰索拉唑在人体胃部环境中的稳定性,保证了本品在胃部快速溶出的情况下、生物利用度高,从而达到快速起效的目的。同时,本发明在研究过程中,意外的发现,通过特定的混合顺序,既能进一步提高产品的稳定性和混合均匀性,也能起到更好的掩味效果。另外,制备成干混悬剂服用,特别适用于老人、儿童和吞咽困难的患者服用,具有同等规格下片剂或胶囊剂无法比拟的良好的临床顺应性。本产品制备方法简单,可操作性强,具有极大的临床意义。
实施方式
下面的实施例可以使本专业的本领域技术人员更全面地理解本发明,但并不因此将本发明限制在所述的实施例范围之中。
在本发明中,需要严格控制碳酸氢钠的用量,才可以实现快速中和胃酸从而缓解胃酸过度、胃部疼痛等症状,在中和胃酸后可降低胃酸对药物的降解,尤其是在酸性环境中,兰索拉唑降解速率慢,稳定性较高等优点。若是碳酸氢钠的用量过低,无法达到较好的中和胃酸效果,进而导致兰索拉唑发生降解,降低了生物利用度。如碳酸氢钠的用量偏高,则导致剂量的显著增加和产品不经济性、或颗粒粉体学性质较差而不符合分装要求。
实施例1-5和对比例1-2的兰索拉唑的干混悬剂,其配方的组成如下:
表 1 实施例和对比例中干混悬剂的配方组成
其中,实施例1~5和对比例1~2中干混悬剂的制备方法包括如下步骤:
(1)预处理:将活性组分兰索拉唑钠,进行微粉化处理,控制其粒径D90 在20μm以下;将碳酸氢钠过60目筛;其他辅料过筛备用。
(2)混合:将活性组分兰索拉唑、矫味剂三氯蔗糖及香精、助悬剂黄原胶、增溶剂十二烷基硫酸钠混合均匀,再加入碳酸氢钠,再次混合均匀,最后加入稀释剂混合均匀。
(3)分装:按照拟定剂量进行包装,得到干混悬剂。
对比例3
处方组成参照实施例3,将混合工艺调整为:将活性组分兰索拉唑、助悬剂黄原胶、矫味剂三氯蔗糖和香精、增溶剂十二烷基硫酸钠混合均匀,再加入稀释剂木糖醇、乳糖和碳酸氢钠再次混合均匀,按照拟定剂量进行包装,得到干混悬剂。
对比例4
处方组成参照实施例3,将混合工艺调整为:将活性组分兰索拉唑、助悬剂黄原胶、矫味剂三氯蔗糖和香精、增溶剂十二烷基硫酸钠混合均匀,再加入稀释剂木糖醇、乳糖,再次混合均匀,最后加入碳酸氢钠混合均匀,按照拟定剂量进行包装,得到干混悬剂。
对比例5
按照专利CN 103006654 A中配方1组分和制备方法制备兰索拉唑片剂,制备处方工艺如下:
取粉碎过120目的兰索拉唑15g,与过80目的碳酸氢钠30g、乳糖75g、交联羧甲基纤维素钠38g混合。加2%聚维酮溶液(95%乙醇作为溶剂)14g制软材后过24目制粒;所得颗粒55℃干燥后20目筛干整粒。再加入硬脂酸镁5g混合,压制成1000片。
对比例6
按照专利CN 106619520 A中实施例11制备兰索拉唑干混悬剂,制备处方工艺如下:
右兰索拉唑钠2g、碳酸氢钠8g、牛黄胆酸钠8g、木糖醇50g、乳糖50g、黄原胶6g、薄荷香精4g、甜菊素4g混合均匀,备用;
将右兰索拉唑钠8g、碳酸镁10g、Plasdone S630 24g、Klucel EF 8g、山嵛酸甘油酯4g、Soluplus 8g、氨丁三醇3g、交联聚维酮0.8g混合均匀采用热熔挤出工艺制备成直径为0.5~0.7mm的小丸,利用流化床包衣机进行胃溶微丸包衣,包衣增重10%,得胃溶速释微丸A。
将右兰索拉唑钠20g,碳酸镁25g,HPMCAS 60g,尤特奇RS100 20g,山嵛酸甘油酯5g,月桂酸聚乙二醇甘油酯Gelucire 44/14 15g,没食子酸丙酯5g,卡波姆1g混合均匀后采用热熔挤出工艺制备成直径为0.5~0.7mm的小丸备用;利用流化床包衣机进行肠溶微丸包衣,包衣增重15%。得肠溶缓释微丸B。
将上述混粉和包衣微丸制备混合均匀后灌装成1000袋干混悬剂。
耐酸力
采用溶出度与释放度测定法(中国药典2020年版四部通则0931第二法)装置以0.02mol/L盐酸溶液250ml为溶出介质,转速为每分钟75转,依法操作,经2分钟后以2ml/min的速度滴加0.1mol/L新鲜盐酸溶液(溶液已预热至37℃+2℃),经60min时,检测样液pH值。然后取样液15ml,滤过,精密量取续滤液3ml,加磷酸盐缓冲液(pH为11.0)6ml,摇匀,作为供试品溶液。照兰索拉唑含量及有关物质检测方法对样液含量及有关物质进行测定,结果见下表2。
表 2 实施例和对比例中干混悬剂的耐酸力测试的数据
根据表2可以看出,本发明中实施例1~5中严格控制组分碳酸氢钠的用量,使得制成的干混悬剂具有较好的耐酸力,在酸性环境中,最大单杂和总杂的含量低,具有较高的稳定性。当碳酸氢钠的用量偏低时(例如,对比例1、5、6),所得产品的耐酸力较差,在酸性环境中,最大单杂和总杂的含量较高,稳定性较差。
按照专利CN 103006654 A中配方1组分和制备方法制成片剂,中和胃酸的效果较差,在酸性环境中,最大单杂和总杂的含量高,产品耐酸力和稳定性差。
按照专利CN 106619520 A中实施例11制成干混悬剂,在酸性环境中,最大单杂和总杂的含量较高,产品稳定性也并不理想。
溶出曲线
参照药典溶出度检测方法,检测各实施例和对比例中样品在0.01mol/L盐酸介质中溶出曲线,用HPLC法测定兰索拉唑的含量,结果见下表3:
表 3 实施例和对比例中的溶出效果的数据
根据表3可以看出,本发明中实施例1~5所制得干混悬剂溶出迅速且充分,可快速中和胃酸从而缓解胃酸过度、胃部疼痛等症状。对比例1较实施例1~5溶出明显减缓;对比例5中片剂崩解速度相对缓慢,同时碳酸氢钠加入量少,不足以起到理想的耐酸效果。对比例6中肠溶微丸在胃中不溶解,因此30分钟内溶出度低,产品发挥作用晚、起效延时。
混合工艺和中间产品质量对比
表4 实施例和对比例比较
根据表2可以看出,本发明实施例1~5、对比例1、对比例3,干混悬剂的混合均匀度和总混粉流动性均较好。对比例2中,因碳酸氢钠本身流动性一般,随着其加入量增大,总混粉混合均匀度变差,流动性较差,导致装量差异较大。对比例3、4因混合工艺的不同,总混粉气味存在一定差异。
加速稳定性
将实施例1~5及对比例2~3中样品置于加速试验40℃/75%RH条件下放置6个月,检测其有关物质、沉降体积比,结果如下表5:
表5 实施例和对比例的加速稳定性试验结果
根据表5可以看出,本发明中实施例1~5中所得干混悬剂,在40℃/75%RH条件下放置3个月和6个月,最大单杂和总杂含量低,增长的幅度较小,稳定性较好。而对比例3、对比例4由于混合工艺的差异,导致产品稳定性相对较差,在40℃/75%RH条件下放置3个月和6个月,杂质增长趋势偏快。
以上实施例仅用以说明本发明的技术方案,而非对其限制;尽管参照前述实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可能对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。
Claims (10)
1.一种兰索拉唑碳酸氢钠干混悬剂,按照重量份数计包括以下组分:兰索拉唑15~30份、碳酸氢钠1680~2100份、稀释剂3000~4200份、助悬剂50~70份、矫味剂80~90份和增溶剂40~60份。
2.根据权利要求1所述的兰索拉唑碳酸氢钠干混悬剂,其特征在于,按照重量份数计包括以下组分:兰索拉唑15~30份、碳酸氢钠1680~2100份、稀释剂3710~4130份、助悬剂60份、矫味剂90份和增溶剂40~60份。
3.根据权利要求1所述的兰索拉唑碳酸氢钠干混悬剂,其特征在于,所述稀释剂选自葡萄糖、乳糖、木糖醇、蔗糖、甘露醇、山梨醇或预胶化淀粉中的一种或几种;优选为乳糖和木糖醇;所述助悬剂选自羟丙基纤维素、羟丙甲纤维素、微晶纤维素-羧甲基纤维素钠、黄原胶、卡波姆、泊洛沙姆或西黄蓍胶中的一种或几种;优选为黄原胶;所述矫味剂选自三氯蔗糖、香精、甘草甜素、麦芽糖醇、阿司帕坦、甜菊糖或安赛蜜中的一种或几种;优选为三氯蔗糖和香精;所述增溶剂选自十二烷基硫酸钠、吐温80或牛磺胆酸钠中的一种或几种;优选为十二烷基硫酸钠;所述兰索拉唑的粒径D90小于20μm,优选为粒径D90小于10μm。
4. 根据权利要求1所述的兰索拉唑碳酸氢钠干混悬剂,其特征在于,所述兰索拉唑干混悬剂由以下重量份数的组分制成:兰索拉唑15份、碳酸氢钠1680份、乳糖2065份、木糖醇2065份、黄原胶60份、三氯蔗糖30份、香精 60份和十二烷基硫酸钠40份。
5. 根据权利要求1所述的兰索拉唑碳酸氢钠干混悬剂,其特征在于,所述兰索拉唑干混悬剂由以下重量份数的组分制成:兰索拉唑15份、碳酸氢钠2100份、乳糖1855份、木糖醇1855份、黄原胶60份、三氯蔗糖30份、香精 60份和十二烷基硫酸钠40份。
6. 根据权利要求1所述的兰索拉唑碳酸氢钠干混悬剂,其特征在于,所述兰索拉唑干混悬剂由以下重量份数的组分制成:兰索拉唑30份、碳酸氢钠1680份、乳糖2065份、木糖醇2065份、黄原胶60份、三氯蔗糖30份、香精 60份和十二烷基硫酸钠40份。
7. 根据权利要求1所述的兰索拉唑碳酸氢钠干混悬剂,其特征在于,所述兰索拉唑干混悬剂由以下重量份数的组分制成:兰索拉唑30份、碳酸氢钠2100份、乳糖1855份、木糖醇1855份、黄原胶60份、三氯蔗糖30份、香精 60份和十二烷基硫酸钠40份。
8. 根据权利要求1所述的兰索拉唑碳酸氢钠干混悬剂,其特征在于,所述兰索拉唑干混悬剂由以下重量份数的组分制成:兰索拉唑30份、碳酸氢钠1680份、乳糖2055份、木糖醇2055份、黄原胶60份、三氯蔗糖30份、香精 60份和十二烷基硫酸钠60份。
9.权利要求1所述的兰索拉唑碳酸氢钠干混悬剂的制备方法,包括如下步骤:
1)预处理:将活性组分兰索拉唑钠,进行微粉化处理,控制其粒径D90 在10μm以下;将碳酸氢钠过60目筛;其他辅料过筛备用;
2)混合:将活性组分索拉唑钠、矫味剂、助悬剂、增溶剂混合均匀,再加入碳酸氢钠,再次混合均匀,最后加入稀释剂混合均匀;
3)分装:按照拟定剂量进行包装,得到干混悬剂。
10.根据权利要求9所述的制备方法,其特征在于,所述步骤2)中,将活性组分兰索拉唑、矫味剂、助悬剂、增溶剂混合均匀,再加入碳酸氢钠,再次混合均匀,最后加入稀释剂混合均匀,进行包装,得到干混悬剂。
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CN106619520A (zh) * | 2016-12-29 | 2017-05-10 | 南京海融制药有限公司 | 一种右兰索拉唑钠的干混悬剂及其制备方法 |
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