JP2016006117A - リファキシミンの固溶体 - Google Patents
リファキシミンの固溶体 Download PDFInfo
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- A61K9/2013—Organic compounds, e.g. phospholipids, fats
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- 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
- A61K31/4353—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 ortho- or peri-condensed with heterocyclic ring systems
- A61K31/437—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 ortho- or peri-condensed with heterocyclic ring systems the heterocyclic ring system containing a five-membered ring having nitrogen as a ring hetero atom, e.g. indolizine, beta-carboline
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- 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
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- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2022—Organic macromolecular compounds
- A61K9/205—Polysaccharides, e.g. alginate, gums; Cyclodextrin
- A61K9/2059—Starch, including chemically or physically modified derivatives; Amylose; Amylopectin; Dextrin
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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- A61P1/06—Anti-spasmodics, e.g. drugs for colics, esophagic dyskinesia
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/12—Antidiarrhoeals
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- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
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- A61P15/18—Feminine contraceptives
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- A61K9/0056—Mouth soluble or dispersible forms; Suckable, eatable, chewable coherent forms; Forms rapidly disintegrating in the mouth; Lozenges; Lollipops; Bite capsules; Baked products; Baits or other oral forms for animals
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Abstract
【解決手段】リファキシミンと薬学的に許容できる担体とを含むリファキシミンの固溶体。リファキシミンの固溶体を含む薬学組成物。
【選択図】無し
Description
ここで使用されている「リファキシミン」という用語は、特に規定しなければ、リファキシミン系、薬学的に許容できる塩、多形物、溶媒化合物、水化物、それらの鏡像異性体を示す。
しかし、薬学的に許容できる担体は、これらに限るものではない。
手順:
1.全ての成分を、適したふるいに通してふるい分ける。
2.秤量のポビドンを溶かす。
3.かき混ぜながら、上記ポビドンが溶けた部分に、リファキシミンを加える。
4.上記原料を室温で冷やした後、粉砕して所望のふるいに通す。
手順:
1.全ての成分を、適したふるいに通してふるい分ける。
2.かき混ぜながら、リファキシミン、ポビドンおよびポロキサマを、アルコールの中に溶かす。
3.上記混合物を蒸発させる。
4.上記原料を小片にした後、粉砕して所望のふるいに通す。
手順:
1.全ての成分を、適したふるいに通してふるい分ける。
2.かき混ぜながら、リファキシミンおよびポビドンを、アルコールの中に溶かす。
3.上記混合物を蒸発させる。
4.上記原料を小片にした後、粉砕して所望のふるいに通す。
手順:
1.全ての成分を、適したふるいに通してふるい分ける。
2.ふるい分けられた全ての材料を一様に混合する。
3.ホットメルト押出機の中に上記混合物を加え、押出物を集める。
4.上記押出物を粉砕して所望のふるいに通す。
手順:
1.全ての成分を、適したふるいに通してふるい分ける。
2.ふるい分けられた全ての材料を一様に混合する。
3.ホットメルト押出機の中に上記混合物を加え、押出物を集める。
4.上記押出物を粉砕して所望のふるいに通す。
手順:
1.全ての成分を、適したふるいに通してふるい分ける。
2.ふるい分けられた全ての材料を一様に混合する。
3.ホットメルト押出機の中に上記混合物を加え、押出物を集める。
4.上記押出物を粉砕して所望のふるいに通す。
手順:
1.全ての成分を、適したふるいに通してふるい分ける。
2.かき混ぜながら、秤量したリファキシミン、ポビドンおよびスパン20(Span 20)を、アルコールの中に溶かす。
3.かき混ぜながら、上記溶液に水を加え、沈殿物を形成する。
4.上記沈殿物を乾燥して粉砕し、所望のふるいに通す。
手順:
1.全ての成分を、適したふるいに通してふるい分ける。
2.かき混ぜながら、秤量したリファキシミンおよびポリエチレン・グリコールを、アルコールの中に溶かす。
3.上記混合物を、回転式蒸発乾燥器を用いて蒸発させる。
4.上記原料を小片にした後、粉砕して所望のふるいに通す。
10μモルのリファキシミンおよびリファキシミンの固溶体の最終凝縮を、MDCKセルと共に培養されたトランス井戸(transwell)プレートの頂点側に置く。3つの井戸が、サンプルごとに用いられる。プレートは、振動している37℃の水槽内に2時間置かれる。0分および180分に、試料処理のために、頂点から20μlおよび基底側から100μlを取り出す。ルシファー・イエロー(Lucifer Yellow:商標)は、セルの単層保全を見るためにマーカーとして使用される。プロプラナロール(Propronalol:商標)は、透過性マーカーとして使用される。
栄養寒天培養地が蒸留水の中に作成され、この媒体が圧力がまの中で121℃で15分間、殺菌される。この媒体は、無菌ペトリプレートの中に無菌で移され、媒体は数分間固まらせる。固体化の後に、テスト微生物、すなわち、大腸菌(100μl)が、各プレートの中に加えられて、拡散器によってこの培養菌が広げられる。穴明け機によってプレートの中に井戸が作成される。各井戸の中に無菌で試験試料(リファキシミンおよびリファキシミンの固溶体)200μlがそれぞれ加えられる。そして、このプレートは、孵卵器の中に37℃で24時間置かれた後、井戸の周りの抑制域が観測される。
Claims (8)
- リファキシミンと薬学的に許容できる担体とを含んでいること、を特徴とするリファキシミンの固溶体。
- 前記薬学的に許容できる担体が、尿素、砂糖、有機酸、ポリエチレン・グリコール、ポビドン、コポピドン、ポリメタクリラート、ポリ酢酸ビニル、セルロース誘導体、自己乳状担体、ポロキサマ、グリセリル・ビヘネイト、モノグリセライドのポリエチレングリコール派生物、ビタミンE、水酸基ステアリン酸のポリエチレンもしくはポリオキシエチレンエステル、ポリオキシルグリセライド、ポリエソキシレート化されたヒマシ油、もしくは、それらの組み合わせから選択されていること、を特徴とする、クレーム1に記載のリファキシミンの固溶体。
- 前記リファキシミンの溶解度が、リファキシミンの等価量に比例して増加していること、を特徴とする、請求項1に記載のリファキシミンの固溶体。
- 前記リファキシミンの溶解度が、30%以上増加していること、を特徴とする、請求項3に記載のリファキシミンの固溶体。
- 前記リファキシミンの胃腸有用性が、リファキシミンの等価量に比例して増加していること、を特徴とする、請求項1に記載のリファキシミンの固溶体。
- リファキシミンの溶解度が、リファキシミンの等価量に比例して等価浸透性を維持しながら、リファキシミンの等価量に比例して増加していること、を特徴とする、リファキシミンの固溶体。
- 請求項1に記載のリファキシミンの固溶体を含んでいること、を特徴とする薬学組成物。
- 請求項1に記載のリファキシミンの固溶体の治療法上有効な量を、必要とする患者に投薬することを含んでいること、を特徴とする微生物の感染症の処置および/または防止方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IN1287KO2009 | 2009-10-27 | ||
| IN1287/KOL/2009 | 2009-10-27 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012536017A Division JP6211768B2 (ja) | 2009-10-27 | 2010-10-27 | リファキシミンの固溶体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2016006117A true JP2016006117A (ja) | 2016-01-14 |
| JP6234412B2 JP6234412B2 (ja) | 2017-11-22 |
Family
ID=43922730
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012536017A Active JP6211768B2 (ja) | 2009-10-27 | 2010-10-27 | リファキシミンの固溶体 |
| JP2015181131A Active JP6234412B2 (ja) | 2009-10-27 | 2015-09-14 | リファキシミンの固溶体 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012536017A Active JP6211768B2 (ja) | 2009-10-27 | 2010-10-27 | リファキシミンの固溶体 |
Country Status (23)
| Country | Link |
|---|---|
| US (4) | US20120214833A1 (ja) |
| EP (1) | EP2493456B1 (ja) |
| JP (2) | JP6211768B2 (ja) |
| KR (5) | KR20200100215A (ja) |
| CN (2) | CN102665693A (ja) |
| AU (2) | AU2010313078A1 (ja) |
| CA (1) | CA2778981C (ja) |
| CL (1) | CL2012001080A1 (ja) |
| ES (1) | ES2712080T3 (ja) |
| GE (1) | GEP201706693B (ja) |
| IL (1) | IL219508A (ja) |
| MA (1) | MA33761B1 (ja) |
| MX (1) | MX346660B (ja) |
| MY (1) | MY177151A (ja) |
| NZ (1) | NZ599944A (ja) |
| PE (1) | PE20121185A1 (ja) |
| PH (1) | PH12012500838A1 (ja) |
| RU (1) | RU2012121599A (ja) |
| SG (1) | SG10201501054TA (ja) |
| TN (1) | TN2012000195A1 (ja) |
| UA (1) | UA110199C2 (ja) |
| WO (1) | WO2011051971A2 (ja) |
| ZA (1) | ZA201203226B (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022548788A (ja) * | 2019-09-24 | 2022-11-21 | バウシュ ヘルス アイルランド リミテッド | リファキシミン液体製剤 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL1698630T3 (pl) | 2005-03-03 | 2014-12-31 | Alfasigma Spa | Nowe postacie polimorficzne rifaksyminy,sposoby ich wytwarzania i ich zastosowanie w preparatach leczniczych |
| ITBO20050123A1 (it) | 2005-03-07 | 2005-06-06 | Alfa Wassermann Spa | Formulazioni farmaceutiche gastroresistenti contenenti rifaximina |
| ITMI20061692A1 (it) | 2006-09-05 | 2008-03-06 | Alfa Wassermann Spa | Uso di polioli per ottenere forme polimorfe stabili di rifaximina |
| EP2257557A4 (en) | 2008-02-25 | 2011-06-29 | Salix Pharmaceuticals Ltd | FORMS OF RIFAXIMINE AND APPLICATIONS THEREOF |
| US8486956B2 (en) | 2008-02-25 | 2013-07-16 | Salix Pharmaceuticals, Ltd | Forms of rifaximin and uses thereof |
| KR20200100215A (ko) * | 2009-10-27 | 2020-08-25 | 루핀 리미티드 | 리팍시민의 고형 분산물 |
| US9018684B2 (en) | 2009-11-23 | 2015-04-28 | California Institute Of Technology | Chemical sensing and/or measuring devices and methods |
| CA2785658C (en) | 2009-12-31 | 2017-10-24 | Ira Milton Trachtman | Compositions and method for treatment and prophylaxis of inflammatory bowel disease |
| IT1398550B1 (it) | 2010-03-05 | 2013-03-01 | Alfa Wassermann Spa | Formulazioni comprendenti rifaximina utili per ottenere un effetto prolungato nel tempo |
| GEAP202112996A (en) * | 2010-07-12 | 2021-09-10 | Salix Pharmaceuticals Ltd Us | Formulations of rifaximin and uses thereof |
| KR20140026379A (ko) | 2011-02-11 | 2014-03-05 | 샐릭스 파마슈티컬스 리미티드 | 리팍시민의 형태 및 이의 용도 |
| CN102512358B (zh) * | 2011-12-16 | 2013-04-10 | 南京农业大学 | 家畜用利福昔明阴道栓剂及其制备方法 |
| WO2013112809A2 (en) | 2012-01-25 | 2013-08-01 | Salix Pharmaceuticals, Ltd | Rifaximin derivative and uses thereof |
| ITBO20120368A1 (it) | 2012-07-06 | 2014-01-07 | Alfa Wassermann Spa | Composizioni comprendenti rifaximina e amminoacidi, cristalli di rifaximina derivanti da tali composizioni e loro uso. |
| WO2014013498A1 (en) * | 2012-07-17 | 2014-01-23 | Symed Labs Limited | Amorphous coprecipitates of linezolid |
| WO2015047941A2 (en) * | 2013-09-27 | 2015-04-02 | Trachtman Ira Milton | Compositions and methods for treatment and prophylaxis of gastrointestinal diseases |
| JP6576953B2 (ja) | 2014-05-12 | 2019-09-18 | アルファシグマ ソシエタ ペル アチオニ | リファキシミンの新規溶媒和物結晶形、生成物、組成物及びそれらの使用 |
| GB2561497B (en) * | 2015-12-08 | 2020-06-24 | Bluelight Pharmatech Co Ltd | A process for preparing a solid dispersion of decoquinate |
| EP3518924B1 (en) | 2016-09-30 | 2022-08-10 | Salix Pharmaceuticals, Inc. | Solid dispersion forms of rifaximin |
| CN106491558A (zh) * | 2016-12-09 | 2017-03-15 | 福建生物工程职业技术学院 | 盐酸阿考替胺膜控型缓释制剂及其制备方法 |
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