JP2009504727A - メトホルミン徐放性錠剤およびその製造方法 - Google Patents
メトホルミン徐放性錠剤およびその製造方法 Download PDFInfo
- Publication number
- JP2009504727A JP2009504727A JP2008526865A JP2008526865A JP2009504727A JP 2009504727 A JP2009504727 A JP 2009504727A JP 2008526865 A JP2008526865 A JP 2008526865A JP 2008526865 A JP2008526865 A JP 2008526865A JP 2009504727 A JP2009504727 A JP 2009504727A
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- metformin
- tablet
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- producing
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- OETHQSJEHLVLGH-UHFFFAOYSA-N metformin hydrochloride Chemical compound Cl.CN(C)C(=N)N=C(N)N OETHQSJEHLVLGH-UHFFFAOYSA-N 0.000 claims description 18
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- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 1
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- NEFBYIFKOOEVPA-UHFFFAOYSA-K dicalcium phosphate Chemical compound [Ca+2].[Ca+2].[O-]P([O-])([O-])=O NEFBYIFKOOEVPA-UHFFFAOYSA-K 0.000 description 1
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Classifications
-
- 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
- A61K9/20—Pills, tablets, discs, rods
-
- 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
- A61K9/0065—Forms with gastric retention, e.g. floating on gastric juice, adhering to gastric mucosa, expanding to prevent passage through the pylorus
-
- 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
- A61K31/13—Amines
- A61K31/155—Amidines (), e.g. guanidine (H2N—C(=NH)—NH2), isourea (N=C(OH)—NH2), isothiourea (—N=C(SH)—NH2)
-
- 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
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2022—Organic macromolecular compounds
- A61K9/205—Polysaccharides, e.g. alginate, gums; Cyclodextrin
- A61K9/2054—Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose
-
- 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
- A61K9/20—Pills, tablets, discs, rods
- A61K9/28—Dragees; Coated pills or tablets, e.g. with film or compression coating
- A61K9/2806—Coating materials
- A61K9/2833—Organic macromolecular compounds
- A61K9/286—Polysaccharides, e.g. gums; Cyclodextrin
- A61K9/2866—Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
- A61P3/10—Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
Landscapes
- Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Epidemiology (AREA)
- Diabetes (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- Physiology (AREA)
- Nutrition Science (AREA)
- Hematology (AREA)
- Organic Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Obesity (AREA)
- Endocrinology (AREA)
- Emergency Medicine (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
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Abstract
Description
上記マトリクス剤の含量が25重量%未満の場合、薬物の放出が早すぎる。対照的に、75重量%を超過する場合、薬物の放出が非常に遅く、錠剤のサイズが非常に大きくなるため、投与が難しい。
上記コーティング層は錠剤の総重量に対して、0.5〜15重量%、好ましくは1〜10重量%、更に好ましくは2〜5重量%である。コーティング層の含量が0.5重量%未満の場合、メトホルミンの含量が低下しやすくなり、対照的に、15重量%を超過する場合、崩壊時間が非常に長くなるためGI管上部での吸収が難しくなる。
下記表1に表されるように、塩酸メトホルミン、ヒドロキシプロピルメチルセルロースおよび軽質無水ケイ酸を混合した。混合物を、16〜17MPaの圧力でローラー圧縮をしてスラッグ化した。このスラッグを14メッシュふるいでふるいにかけた後、ステアリン酸ナトリウムを入れて混合し、錠剤を製造した。錠剤にHi−Coater(SFC−30N、Sejong Machinery、韓国)を用いてオパドライ OY−C−7000Aをコーティングしてコーティング層を形成し、メトホルミンが500mg含有されたメトホルミン徐放性錠剤(Metformin XR tablet 500mg)を製造した。
下記表1に表されるように、塩酸メトホルミン、カルボキシメチルセルロースナトリウム、アビセルPH101および軽質無水を混合し、実施例1の製造方法と同一の方法で、メトホルミンが500mg含有されたメトホルミン徐放性錠剤(Metformin XR tablet 500mg)を製造した。
下記表1に表されるように、塩酸メトホルミン、グアーガムおよび軽質無水を混合し、実施例1の製造方法と同一の方法で、メトホルミンが500mg含有されたメトホルミン徐放性錠剤(Metformin XR tablet 500mg)を製造した。
下記表1に表されるように、塩酸メトホルミン、ヒドロキシプロピルメチルセルロースおよび軽質無水を混合し、実施例1の製造方法と同一の方法で、メトホルミンが750mg含有されたメトホルミン徐放性錠剤(Metformin XR tablet 750mg)を製造した。
下記表1に表されるように、塩酸メトホルミン、ヒドロキシプロピルメチルセルロース、軽質無水ケイ酸およびステアリン酸ナトリウムを混合し、直接圧縮法で圧縮して錠剤を製造し、上記錠剤にHi−Coater(SFC−30N、Sejong Machinery、韓国)を用いてオパドライ OY−C−7000Aをコーティングしてコーティング層を形成し、メトホルミンが500mg含有されたメトホルミン徐放性錠剤(Metformin XR tablet 500mg)を製造した。
下記表1に表されるように、塩酸メトホルミン、ヒドロキシプロピルメチルセルロース、軽質無水ケイ酸およびステアリン酸ナトリウムを混合し、比較例1の製造方法と同一の方法で、メトホルミンが750mg含有されたメトホルミン徐放性錠剤(Metformin XR tablet 750mg)を製造した。
上記実施例1および4の原料を混合し、16〜17MPaの強い圧力でスラッグ化した後、顆粒化し、半製品とした。半製品と比較例1および2の圧縮性と流動性を下記のような方法で比較した。
本発明により製造されたメトホルミン徐放性錠剤(実施例1)と市販されている対照製剤(BMS社、Glucophage XL、米)の溶解像を比較し、パドル法にて溶出性を測定し、その結果を図1に表した。
本発明のメトホルミン徐放性錠剤(実施例1)と市販されている対照製剤(BMS社、Glucophage XL、米)の生物学的同等性を比較し、その結果を図2と下記表3に表した。
本発明は好ましい実施形態を引用して詳細に説明されたが、それに対し、請求項として添付された、本願の意図と目的から離れない範囲で、当業者により様々な変更と代用が成されることが可能である。
Claims (9)
- (a)活性成分としてメトホルミン又はその薬剤学的に許される塩と、マトリクス剤とを持つ薬剤組成物を5〜30MPaの圧力でスラッグ化させる段階、
(b)上記スラッグを12〜30メッシュサイズで顆粒化させた後、打錠して錠剤層を形成させる段階、および
(c)上記錠剤の表面にコーティング膜を形成させる段階を含むことを特徴としたメトホルミン徐放錠の製造方法。 - 前記メトホルミンの薬剤学的に許される塩は、無機酸または有機酸の付加塩であることを特徴とした請求項1記載のメトホルミン徐放性錠剤の製造方法。
- 前記メトホルミンの薬剤学的に許される塩は、塩酸メトホルミンであることを特徴とした請求項1記載のメトホルミン徐放錠の製造方法。
- 前記メトホルミン又は前記薬剤学的に許される塩は、徐放錠の総重量に対して25〜75%の重量%含有されることを特徴とした請求項1記載のメトホルミン徐放錠の製造方法。
- 前記マトリクス剤はセルロース誘導体、デキストリン、デンプン、炭水化物系重合体、天然ガム、グアーガム、トラガカント、アカシアガム、ローカストビーンガム、キサンタンガム、アルギン酸塩、ゼラチン、ポリアクリル酸、ポリビニルアルコール、ポリビニルピロリドン、ポリビニルアセテート及びメタクリレート共重合体誘導体群から選択されるいずれか1種、または2種以上の高分子重合体の混合物であることを特徴とした請求項1記載のメトホルミン徐放錠の製造方法。
- 前記マトリクス剤は、錠剤の総重量に対して25〜75重量%含有されることを特徴とした請求項1記載のメトホルミン徐放錠の製造方法。
- 前記コーティング層は、セルロース誘導体、糖誘導体、ポリビニル誘導体、ワックス類、脂肪類及びゼラチンを含む群から選択される少なくとも1種類のコーティング剤と、
ポリエチレングリコール、エチルセルロース、酸化チタンおよびフタル酸ジエチルを含む群から選択される少なくとも1種類の補助剤の混合物を含むことを特徴とした請求項1記載のメトホルミン徐放錠の製造方法。 - 前記コーティング層は、錠剤の総重量に対して0.5〜15重量%を含まれることを特徴とした請求項1記載のメトホルミン徐放錠の製造方法。
- 請求項1乃至請求項8のいずれか一項の方法で製造され、
活性成分としてメトホルミン又はその薬剤学的に許される塩、及びマトリクス剤を含む単一相の錠剤と、
前記錠剤の外面を包むコーティング層を含むことを特徴としたメトホルミン徐放錠。
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KR1020050075923A KR100780553B1 (ko) | 2005-08-18 | 2005-08-18 | 메트포르민 서방정 및 그의 제조방법 |
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PCT/KR2006/002360 WO2007021072A1 (en) | 2005-08-18 | 2006-06-20 | Metformin tablet with sustained release and method for preparing the same |
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CA2781089C (en) * | 2009-11-19 | 2015-01-27 | Nippon Soda Co., Ltd. | Reduction treatment method for ballast water |
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US20140303097A1 (en) | 2013-04-05 | 2014-10-09 | Boehringer Ingelheim International Gmbh | Pharmaceutical composition, methods for treating and uses thereof |
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