CN106727445B - 一种达格列净口腔膜剂及其制备方法 - Google Patents
一种达格列净口腔膜剂及其制备方法 Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0053—Mouth and digestive tract, i.e. intraoral and peroral administration
- A61K9/006—Oral mucosa, e.g. mucoadhesive forms, sublingual droplets; Buccal patches or films; Buccal sprays
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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
- A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
- A61K31/35—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom
- A61K31/351—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom not condensed with another ring
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
- A61K47/38—Cellulose; Derivatives thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
- A61K9/7007—Drug-containing films, membranes or sheets
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
本发明涉及一种达格列净口腔膜剂及其制备方法。该膜剂包含主药达格列净1%‑24%,药用高分子材料18%‑90%,添加剂5%‑60%组成。其中所述药用高分子材料是羟丙甲纤维素的成膜材料。该膜剂外观良好、崩解迅速、韧性较好且高温较稳定。该口腔速溶膜用于治疗糖尿病,生物利用度高,服药方便,能够提高少儿人群和老年患者的顺应性。
Description
技术领域
本发明属于药物制剂领域,具体涉及一种达格列净的口腔膜剂的制备方法。
技术背景
糖尿病是一组由于胰岛素分泌缺陷或胰岛素作用障碍所致的以高血糖为特征的代谢性疾病。糖尿病可分为胰岛素依赖性糖尿病(I型糖尿病)和非胰岛素依赖性糖尿病(II型糖尿病),后者占90%。
达格列净(Dapagliflozin),结构式如下:
达格列净是一种2型钠离子依赖型葡萄糖协同转运蛋白(sodium-dependentglucose cotransporter 2,SGLT2)抑制剂,同强生公司的药物Canagliflozin有相同的作用机制。达格列净商品名Farxiga,由美国Bristol Myers Squibb研发。
目前批准上市的剂型是片剂。此剂型溶解缓慢,起效时间较长,受首关效应影响,药物的生物利用度较低,从而影响了疗效的发挥。
口腔膜剂(Oral films,OFs),又叫口腔分散膜剂(Orodispersible films)、口腔速溶膜剂(Oral fast dissolving films、Fast dissolving films、Oral dissolvablefilms、Orally dissolving strips)、膜剂(Films)等,作为一种新型的口服药物传递系统,结合了片剂的剂量准确、自身给药和液体制剂的易于吞咽、起效快的优势,溶出速度快,起效时间接近液体制剂,改善了药物的效能。通过粘膜吸收,避免了首关效应,提高了药物的生物利用度,药物在口腔中接触少量唾液即可在30秒内崩解、溶出,且无需咀嚼也无需水送服,是一种新型快速释药制剂。
根据患者老年人群特点、适应症和药物特性,有必要将主药制成一种顺应性更好、崩解更快、药物效能更好的制剂,即将主药制备成口腔速溶膜剂,服药时不需要喝水,放在舌上即溶,尤其适合儿童、老年患者,提高患者服药顺应性,而受到临床医生及患者的欢迎;且其生产工艺简单,成本低,携带方便。
达格列净口腔速溶膜剂作为国内尚未上市的新型口服固体速释制剂,与传统的片剂、胶囊剂、颗粒剂等相比,因其可以在口腔中迅速溶解,服用时无需饮水,具有迅速起效、生物利用度高、携带及使用方便的显著优势。同时,因其体积小、口感良好,尤其适用于老年患者及吞咽困难患者,可轻松解决这些患者的用药难题。
发明内容
本发明的目的在于提供一种达格列净的口腔膜剂,该膜剂外观均匀完整,厚薄一致,色泽均匀,无明显气泡,化学和物理性质稳定、起效迅速。该膜剂在口腔中接触唾液时30秒内迅速崩解。
本发明提供一种达格列净口腔膜剂,各组分的重量组成如下:
达格列净 1%-25%
水溶性药用高分子材料 18%-90%
添加剂 5%-60%
其中,所述水溶性药用高分子材料是羟丙甲纤维素。
本发明所述的口腔膜剂,其中所述羟丙甲纤维素为羟丙甲纤维素-1、羟丙甲纤维素-2、羟丙甲纤维素-3的混合物,它们的重量比例如下:羟丙甲纤维素-1、羟丙甲纤维素-2、羟丙甲纤维素-3的比例为4:3:3,三种羟丙甲纤维素的粘度依次为50,400,40000(mPa.s)。
本发明所述的口腔膜剂,其中,所述添加剂选自:微晶纤维素,聚乙二醇400,交联羧甲基纤维素钠,麦芽糖醇,二氧化钛,交联羧甲基纤维素钠,糊精PEG-600,甘油,丙二醇,甘露醇、三氯蔗糖。
优选的,本发明所述的口腔膜剂,配方如下:
本发明最优选的配方如下:
本发明所述的口腔膜剂,其中所述水溶性药用高分子材料还可以是明胶、虫胶、阿拉伯胶、琼脂、聚乙烯醇、乙烯-醋酸乙烯共聚物、羟丙甲纤维素、羧甲基纤维素钠、羟丙基纤维素的一种或几种。
本发明进一步提供所述的口腔膜剂的制备方法,该方法包括以下步骤:
(1)将主药加至溶剂中,搅拌至溶解成溶液;
(2)将药用高分子材料加入步骤(1)的溶液中,搅拌,使之溶解,加入添加剂,使之溶解,得到透明或不透明的粘稠液;
(3)排除粘稠液中的气泡;
(4)将排除气泡的粘稠液均匀涂布于玻璃板上,置于真空烘箱内于30-40℃下干燥。成膜后,冷却、切割,得到达格列净的口腔膜剂。
其中,步骤(1)的溶剂为纯化水、乙醇或它们的混合物。
其中,步骤(4)的干燥温度为35℃左右。
最优选的,本方所述的制备方法,配方如下:
制备方法:
取达格列净加蒸馏水150ml溶解,依次加入麦芽糖醇、二氧化钛、羟丙甲基纤维素、聚乙二醇400、交联羧甲基纤维素钠、微晶纤维素,搅拌均匀成溶液,脱气;将膜液均匀涂布于玻璃板上,置于真空烘箱内于35℃下干燥。成膜后,冷却、切割,得到达格列净的口腔膜剂,包装即得。
本发明最优选的配方和制备方法,通过加入羟丙甲纤维素和微晶纤维素,大大降低了膜剂崩解时间,增加了溶出度,有利于提高老年患者和少儿服药的顺应性。
本发明最优选的羟丙甲纤维素是羟丙甲纤维素-1、羟丙甲纤维素-2、羟丙甲纤维素-3的混合物,它们的重量比例如下:羟丙甲纤维素-1、羟丙甲纤维素-2、羟丙甲纤维素-3的比例为4:3:3,三种羟丙甲纤维素的粘度依次为50,400,40000(mPa.s)。
本发明的配方和制备方法是经过筛选获得的,筛选过程如下:
1、配方中的成膜材料的筛选:
柔韧度 | 透明度 | 平整度 | 溶解时间(min) | |
成膜材料1 | 不柔软,干脆 | 很透明 | 有卷曲 | 18 |
成膜材料2 | 柔软,韧性大 | 较透明 | 平整,无卷曲 | 6 |
成膜材料3 | 不柔软,韧性小 | 较透明 | 有少量卷曲 | 10 |
成膜材料4 | 不柔软,韧性大 | 不透明 | 有少量卷曲 | 8 |
其中成膜材料1-4分别为聚乙烯醇、羟丙甲纤维素、羟丙基纤维素、乙烯-醋酸乙烯共聚物。
根据上述表格中的制备,本发明选择羟丙甲纤维素作为成膜材料。
2、配方中的羟丙甲纤维素种类的筛选:
其中,三种羟丙甲纤维素的混合物的比例为4:3:3
根据上述表格中的制备,本发明选择羟丙甲纤维素-1、羟丙甲纤维素-2、羟丙甲纤维素-3的混合物作为成膜材料。其中,羟丙甲纤维素-1、羟丙甲纤维素-2、羟丙甲纤维素-3的比例为4:3:3,三种羟丙甲纤维素的粘度依次为50,400,40000(mPa.s)。
3、制备方法的筛选
(1)加水量的筛选,加水量的多少对膜剂的影响;
烘干时间(h) | 膜厚度(μm) | 溶解时间(h) | |
加水量1 | 2 | 140 | 2.5 |
加水量2 | 3 | 90 | 2 |
加水量3 | 4 | 60 | 1.5 |
加水量4 | 5 | 40 | 1 |
其中,加水量1-4分别为50ml、100ml、150ml、200ml。
(2)烘干温度对膜剂的影响;
透明度 | 柔韧度 | 平整度 | 烘干时间(h) | |
烘干温度1 | 较透明 | 柔软,有韧性 | 平整,无卷曲 | 3 |
烘干温度2 | 较透明 | 柔软,有韧性 | 平整,无卷曲 | 2 |
烘干温度3 | 较透明 | 较柔软,韧性小 | 有卷曲 | 1.5 |
烘干温度4 | 较透明 | 干脆,韧性小 | 有卷曲 | 1 |
其中,烘干温度1-4分别为:30度、35度、40度、45度。
(3)脱气处理。
脱气时间(h) | 均匀度 | 脱气效果 | 成本 | |
脱气处理1 | 12 | 有气泡,不均匀 | 剩余气泡较多 | 较低 |
脱气处理2 | 5 | 无气泡,很均匀 | 无剩余气泡 | 较高 |
脱气处理3 | 5 | 无气泡,均较匀 | 无剩余气泡 | 较高 |
脱气处理4 | 8 | 有气泡,不均匀 | 剩余气泡较多 | 较低 |
其中,脱气处理1-4分别为:室温静置、真空脱气、超声脱气、加热静置。
具体实施方式
为实现本发明的目的,提供如下的实施方案。
实施方案一
处方组成:
制备方法:
取达格列净加蒸馏水150ml溶解,依次加入麦芽糖醇、二氧化钛、羟丙甲基纤维素、聚乙二醇400、交联羧甲基纤维素钠、微晶纤维素,搅拌均匀成溶液,脱气;将膜液均匀涂布于玻璃板上,置于真空烘箱内于35℃下干燥。成膜后,冷却、切割,得到达格列净的口腔膜剂,包装即得。
实施方案二
处方组成:
制备方法:
取达格列净加蒸馏水200ml溶解,依次加入麦芽糖醇、二氧化钛、羟丙甲基纤维素、聚乙二醇400、交联羧甲基纤维素钠、微晶纤维素,搅拌均匀成溶液,脱气;将膜液均匀涂布于玻璃板上,置于真空烘箱内于35℃下干燥。成膜后,冷却、切割,得到达格列净的口腔膜剂,包装即得。
实施方案三
处方组成:
制备方法:
取达格列净加蒸馏水200ml溶解,依次加入麦芽糖醇、二氧化钛、羟丙甲基纤维素、聚乙二醇400、交联羧甲基纤维素钠、微晶纤维素,搅拌均匀成溶液,脱气;将膜液均匀涂布于玻璃板上,置于真空烘箱内于40℃下干燥。成膜后,冷却、切割,得到达格列净的口腔膜剂,包装即得。
Claims (3)
1.一种达格列净口腔膜剂,其特征在于,各组分的重量组成如下:
其中,所述羟丙甲纤维素为羟丙甲纤维素-1、羟丙甲纤维素-2、羟丙甲纤维素-3的混合物,它们的重量比例如下:羟丙甲纤维素-1、羟丙甲纤维素-2、羟丙甲纤维素-3的比例为4:3:3,三种羟丙甲纤维素的粘度依次为50,400,40000(mPa.s)。
2.根据权利要求1所述的口腔膜剂,其特征在于,配方如下:
3.权利要求1所述的口腔膜剂的制备方法,该方法包括以下步骤:
制备方法:
取达格列净加蒸馏水150ml溶解,依次加入麦芽糖醇、二氧化钛、羟丙甲基纤维素、聚乙二醇400、交联羧甲基纤维素钠、微晶纤维素,搅拌均匀成溶液,脱气;将膜液均匀涂布于玻璃板上,置于真空烘箱内于35℃下干燥,成膜后,冷却、切割,得到达格列净的口腔膜剂,包装即得。
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