JPH07507059A - アルキル置換セルロースをベースとする持続放出性経口薬剤投与剤形 - Google Patents
アルキル置換セルロースをベースとする持続放出性経口薬剤投与剤形Info
- Publication number
- JPH07507059A JPH07507059A JP5516691A JP51669193A JPH07507059A JP H07507059 A JPH07507059 A JP H07507059A JP 5516691 A JP5516691 A JP 5516691A JP 51669193 A JP51669193 A JP 51669193A JP H07507059 A JPH07507059 A JP H07507059A
- Authority
- JP
- Japan
- Prior art keywords
- drug
- dosage form
- particles
- gastric
- cellulose
- 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
Links
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- A61K9/2072—Pills, tablets, discs, rods characterised by shape, structure or size; Tablets with holes, special break lines or identification marks; Partially coated tablets; Disintegrating flat shaped forms
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Abstract
Description
Claims (29)
- 1.非架橋のアルキル置換セルロース内に分散した固形状態の薬剤の多数の固形 粒子を含む、胃の中に薬剤溶液を放出するための持続放出性経口薬剤投与剤形で あって、(i)胃液から水を吸収することにより、寸法的に制限なく膨潤して該 粒子の大きさが増大し、胃の中の摂取様式の維持が促進され、従って、それらの 胃内貯留が増大し、そして該粒子を滑らかし、さらにまた、それらの胃内貯留を 促進させ、(ii)該薬剤が該粒子内に存在する間に、吸収した胃液により該分 散した薬剤を溶解させ、そして生じる溶液を放出することにより、溶液内の薬剤 のみが胃の粘膜と接触するのを確実にし、(iii)該粒子中の溶解していない 薬剤を、胃の酵素またはpHの効果から保護することにより、分解していない薬 剤が胃および十二指腸に送達され、そして、(iv)その物理的な完全性を、該 薬剤が胃の中に放出される期間の少なくとも実質的な部分にわたって維持し、次 いで溶解する、持続放出性経口薬剤投与剤形。
- 2.前記投与剤形が、摂取前はバックした塊の中に前記粒子を保持し、次いで、 胃液の中で迅速に分解して該粒子が胃の中で分散する、タブレットまたはカプセ ルの剤形である、請求項1に記載の投与剤形。
- 3.前記セルロースが、ヒドロキシエチルセルロースである、請求項1に記載の 投与剤形。
- 4.前記薬剤がアスピリンであり、該薬剤の持続送達期間が、約10時間から1 4時間であり、そして送達されるアスピリンの全投与量が800mgから140 0mgである、請求項1に記載の投与剤形。
- 5.前記薬剤がアスピリンであり、前記持続期間が4時間から14時間であり、 そしてアスピリンの投与量が20mgから100mgである、請求項1に記載の 投与剤形。
- 6.前記薬剤が、Hilicobacter pylori根絶剤である、請求 項1に記載の投与剤形。
- 7.前記根絶剤が、ビスマス塩、メトロニダゾール、アモキシシリン、またはそ れらの組み合わせである、請求項6に記載の投与剤形。
- 8.前記根絶剤が、アモキシシリンまたはビスマス塩とオメプラゾール、H−2 アンタゴニスト、または制酸剤である、請求項6に記載の投与剤形。
- 9.前記固形粒子が、最大寸法で直径が約1mmから5mmである、請求項1に 記載の投与剤形。
- 10.前記固形粒子が、最大寸法で直径が約20mmから4mmである、請求項 1に記載の投与剤形。
- 11.前記投与剤形がタプレットであり、前記粒子が球状であって直径約1mm から5mmであり、そして1つのタプレット中に約5個から20個の数を有する 、請求項2に記載の投与剤形。
- 12.前記投与剤形がカプセルであり、前記粒子が球状であって直径約1mmか ら5mmであり、そして1つのカプセル中に約10個から200個の数を有する 、請求項2に記載の投与剤形。
- 13.前記投与剤形がタプレットであり、前記粒子が球状でありそして直径約2 mmから4mmである、請求項11に記載の投与剤形。
- 14.前記投与剤形がタプレットであり、前記粒子が球状でありそして直径約2 mmから4mmである、請求項12に記載の投与剤形。
- 15.水の吸収を浸透圧的に引き起こし、それによって水中での膨潤の速度およ び程度を増大するのに十分なイオン化性膨潤剤を含有する、請求項1に記載の投 与剤形。
- 16.前記膨潤剤が塩化ナトリウムであり、そして約1重量%から5重量%の濃 度で前記粒子中に存在する、請求項15に記載の投与剤形。
- 17.前記タブレットまたは前記カプセル中の粒子が、第1の薬剤を含有し、そ して、該タブレットまたは該カプセルはまた、非架橋アルキル置換セルロース内 に分散する、該第1の薬剤と異なる第2の薬剤を含有する粒子を含む、請求項2 に記載の投与剤形。
- 18.前記第1の薬剤粒子の数が、前記第2の薬剤粒子の数と異なり、該粒子の 数が、該第1の薬剤および該第2の薬剤の各々の所望の送達投与量を提供するよ うに選択される、請求項17に記載の投与剤形。
- 19.前記第1の薬剤粒子が、第1のセルロースポリマーを含有し、そして前記 第2の薬剤粒子が、該第1の薬剤ポリマーと異なる第2のセルロースポリマーを 含有し、該ポリマーが、該第1の薬剤および該第2の薬剤の所望の放出速度を提 供するように選択される、請求項17に記載の投与剤形。
- 20.前記薬剤が、その水の溶解度のために所望するよりも大きい放出速度を有 し、そして、該薬剤の放出速度をより低い速度に減少させるのに十分なグリセリ ンの長鎖脂肪酸エステルを含む、請求項1に記載の投与剤形。
- 21.前記薬剤が塩化カリウムである、請求項20に記載の投与剤形。
- 22.前記薬剤がペプチドである、請求項20に記載の投与剤形。
- 23.前記グリセリルエステルが、グリセリルモノオレエート、グリセリルベヘ ネート、およびグリセリルモノステアレートから選択され、該選択されたエステ ル/薬剤の比が、薬剤1モルあたり、エステルが約0.5モルから4モルである 、請求項20に記載の投与剤形。
- 24.前記薬剤がシサプリドである、請求項1に記載の投与剤形。
- 25.前記薬剤が炭酸カルシウムである、請求項1に記載の投与剤形。
- 26.前記薬剤が次サリチル酸ビスマスである、請求項1に記載の投与剤形。
- 27.前記薬剤がナプロキセンである、請求項1に記載の投与剤形。
- 28.請求項1に記載の投与剤形を提供する工程、および該投与剤形を経口的に 被験体に導入する工程を包含する、胃腸管を通じて酸に不安定な薬剤を送達する 方法であって、保護されていない固形状態の薬剤は、注射による投与を必要とす る程、胃腸管内において十分に酵素または酸に不安定である、方法。
- 29.請求項1に記載の投与剤形を提供する工程、および該投与剤形を経口的に 被験体に導入する工程を包含する、薬剤の副作用および投与回数を減少させる、 方法。
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US85832092A | 1992-03-25 | 1992-03-25 | |
| US858,320 | 1992-03-25 | ||
| US98695292A | 1992-12-08 | 1992-12-08 | |
| US986,952 | 1992-12-08 | ||
| PCT/US1993/002420 WO1993018755A1 (en) | 1992-03-25 | 1993-03-17 | Alkyl-substituted cellulose-based sustained-release oral drug dosage forms |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004122355A Division JP2004203897A (ja) | 1992-03-25 | 2004-04-16 | アルキル置換セルロースをベースとする持続放出性経口薬剤投与剤形 |
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| Publication Number | Publication Date |
|---|---|
| JPH07507059A true JPH07507059A (ja) | 1995-08-03 |
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| JP5516691A Pending JPH07507059A (ja) | 1992-03-25 | 1993-03-17 | アルキル置換セルロースをベースとする持続放出性経口薬剤投与剤形 |
| JP2004122355A Pending JP2004203897A (ja) | 1992-03-25 | 2004-04-16 | アルキル置換セルロースをベースとする持続放出性経口薬剤投与剤形 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2004122355A Pending JP2004203897A (ja) | 1992-03-25 | 2004-04-16 | アルキル置換セルロースをベースとする持続放出性経口薬剤投与剤形 |
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| Country | Link |
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| EP (1) | EP0632720B1 (ja) |
| JP (2) | JPH07507059A (ja) |
| AT (1) | ATE173159T1 (ja) |
| AU (1) | AU668386B2 (ja) |
| CA (1) | CA2132012C (ja) |
| DE (1) | DE69322077T2 (ja) |
| DK (1) | DK0632720T3 (ja) |
| ES (1) | ES2124303T3 (ja) |
| WO (1) | WO1993018755A1 (ja) |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH630257A5 (en) * | 1975-03-17 | 1982-06-15 | Hoffmann La Roche | Sustained release formulation |
| HU179474B (en) * | 1978-02-24 | 1982-10-28 | Laszlo Gyarmati | Process for preparing solid oral pharmaceutical compositons with increased length of activity and with a regulated release of the active material |
| US5007790A (en) * | 1989-04-11 | 1991-04-16 | Depomed Systems, Inc. | Sustained-release oral drug dosage form |
| IT1250483B (it) * | 1990-08-30 | 1995-04-07 | Eurand Int | Sistema di ritardo a matrice multipla |
| DE9107805U1 (de) * | 1991-02-22 | 1991-09-05 | Sopar S.A. Division Pharma, Sart Dame Avelines | Mittel zur Anwendung bei Diarrhoe |
-
1993
- 1993-03-17 ES ES93907548T patent/ES2124303T3/es not_active Expired - Lifetime
- 1993-03-17 CA CA002132012A patent/CA2132012C/en not_active Expired - Fee Related
- 1993-03-17 WO PCT/US1993/002420 patent/WO1993018755A1/en not_active Ceased
- 1993-03-17 EP EP93907548A patent/EP0632720B1/en not_active Expired - Lifetime
- 1993-03-17 DK DK93907548T patent/DK0632720T3/da active
- 1993-03-17 AT AT93907548T patent/ATE173159T1/de not_active IP Right Cessation
- 1993-03-17 AU AU38114/93A patent/AU668386B2/en not_active Ceased
- 1993-03-17 DE DE69322077T patent/DE69322077T2/de not_active Expired - Fee Related
- 1993-03-17 JP JP5516691A patent/JPH07507059A/ja active Pending
-
2004
- 2004-04-16 JP JP2004122355A patent/JP2004203897A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE69322077D1 (de) | 1998-12-17 |
| CA2132012C (en) | 2003-04-22 |
| EP0632720B1 (en) | 1998-11-11 |
| ATE173159T1 (de) | 1998-11-15 |
| CA2132012A1 (en) | 1993-09-30 |
| JP2004203897A (ja) | 2004-07-22 |
| AU3811493A (en) | 1993-10-21 |
| DE69322077T2 (de) | 1999-04-08 |
| DK0632720T3 (da) | 1999-07-26 |
| AU668386B2 (en) | 1996-05-02 |
| EP0632720A1 (en) | 1995-01-11 |
| WO1993018755A1 (en) | 1993-09-30 |
| ES2124303T3 (es) | 1999-02-01 |
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