JP5654002B2 - ポリエーテルに基づくコポリマーを微水溶性ポリマーと組み合わせて含む固体医薬調製物 - Google Patents
ポリエーテルに基づくコポリマーを微水溶性ポリマーと組み合わせて含む固体医薬調製物 Download PDFInfo
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- JP5654002B2 JP5654002B2 JP2012510270A JP2012510270A JP5654002B2 JP 5654002 B2 JP5654002 B2 JP 5654002B2 JP 2012510270 A JP2012510270 A JP 2012510270A JP 2012510270 A JP2012510270 A JP 2012510270A JP 5654002 B2 JP5654002 B2 JP 5654002B2
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- GVJHHUAWPYXKBD-IEOSBIPESA-N α-tocopherol Chemical compound OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-IEOSBIPESA-N 0.000 description 1
Classifications
-
- 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
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/192—Carboxylic acids, e.g. valproic acid having aromatic groups, e.g. sulindac, 2-aryl-propionic acids, ethacrynic acid
-
- 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
- A61K31/21—Esters, e.g. nitroglycerine, selenocyanates
- A61K31/215—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids
- A61K31/216—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acids having aromatic rings, e.g. benactizyne, clofibrate
-
- 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
- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
- A61K31/4164—1,3-Diazoles
-
- 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
- A61K31/4425—Pyridinium derivatives, e.g. pralidoxime, pyridostigmine
-
- 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
- A61K31/445—Non condensed piperidines, e.g. piperocaine
- A61K31/451—Non condensed piperidines, e.g. piperocaine having a carbocyclic group directly attached to the heterocyclic ring, e.g. glutethimide, meperidine, loperamide, phencyclidine, piminodine
-
- 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
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
-
- 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
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/496—Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin
-
- 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
- A61K31/54—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one sulfur as the ring hetero atoms, e.g. sulthiame
- A61K31/5415—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one sulfur as the ring hetero atoms, e.g. sulthiame ortho- or peri-condensed with carbocyclic ring systems, e.g. phenothiazine, chlorpromazine, piroxicam
-
- 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
- A61K31/55—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole
-
- 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
- A61K31/63—Compounds containing para-N-benzenesulfonyl-N-groups, e.g. sulfanilamide, p-nitrobenzenesulfonyl hydrazide
- A61K31/635—Compounds containing para-N-benzenesulfonyl-N-groups, e.g. sulfanilamide, p-nitrobenzenesulfonyl hydrazide having a heterocyclic ring, e.g. sulfadiazine
-
- 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
- A61K47/32—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. carbomers, poly(meth)acrylates, or polyvinyl pyrrolidone
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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
- A61K47/34—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyesters, polyamino acids, polysiloxanes, polyphosphazines, copolymers of polyalkylene glycol or poloxamers
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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
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2022—Organic macromolecular compounds
- A61K9/2027—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
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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
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2022—Organic macromolecular compounds
- A61K9/2031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, polyethylene oxide, poloxamers
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- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2022—Organic macromolecular compounds
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- A61K9/2095—Tabletting processes; Dosage units made by direct compression of powders or specially processed granules, by eliminating solvents, by melt-extrusion, by injection molding, by 3D printing
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
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Description
i)30〜80重量%のN-ビニルラクタム、
ii)10〜50重量%のビニルアセテート、
iii)10〜50重量%のポリエーテル
の混合物(ただし、i)、ii)及びiii)の合計は100重量%である)のフリーラジカル重合により得られる。
i)30〜70重量%のN-ビニルラクタム
ii)15〜35重量%のビニルアセテート
iii)10〜35重量%のポリエーテル
から得られる好ましいポリエーテルコポリマーが使用される。
i)40〜60重量%のN-ビニルラクタム
ii)15〜35重量%のビニルアセテート
iii)10〜30重量%のポリエーテル
から得ることができる。
i)50〜60重量%のN-ビニルラクタム
ii)25〜35重量%のビニルアセテート
iii)10〜20重量%のポリエーテル
から得ることができる。
本発明において、微水溶性ポリマーは中性の微溶性ポリマー(持続放出ポリマー)、アニオン性微溶性ポリマー(胃に耐性のポリマー)又は塩基性微溶性ポリマーである。
微溶性ポリマーはpH1〜14の全範囲にわたり水に微溶性であるか、膨潤性しかないポリマーを意味するとして理解される。一般に、医薬組成物は1種のみの水に不溶性のポリマーを含む。しかし、2種以上の水に不溶性のポリマーが互いに一緒に又は混合物として存在していてもよい。
さらに、アニオン性微溶性ポリマーを使用することもできる。アニオン性ポリマーは好ましくは少なくとも5%、特に好ましくは5〜75%のアニオン性基を有するモノマー基を有するポリマーを意味するとして理解される。アニオン性(メタ)アクリレートコポリマーが好ましい。アニオン性基を有する好適な市販の(メタ)アクリレートコポリマーは、例えば、Eudragit(登録商標)型L、L100-55、S及びFSである。
さらに、塩基性ポリマー、例えば、塩基性メタ(アクリレート)又はキトサンを使用することもできる。相当する市販のポリマーの例は、メチルメタクリレート、ブチルメタクリレート及びジメチルアミノエチルメタクリレートのコポリマーである、Eudragit(登録商標)E又はEPOである。
活性物質は任意の適用分野のものであってもよい。
攪拌装置で、初期投入混合物からフィード2の一部分量を差し引いたものをN2雰囲気下で、77℃に加熱した。内部温度が77℃に達したとき、フィード2の一部を添加し、15分間予備重合を行った。その後、フィード1を5時間で、フィード2を2時間で計量投入した。全てのフィードを計量投入した後、続いて、反応混合物をさらに3時間重合した。この重合の後、溶液を50重量%の固形分に調節した。
PEG 6000 104.0g
フィード2 1.0g
フィード1:ビニルアセテート 240g
フィード2:ビニルカプロラクタム 456g
エチルアセテート 240g
フィード3:tert-ブチルペルピバレート(脂肪族混合物中75重量%濃度) 10.44g
エチルアセテート 67.90g.
その後、溶媒を噴霧法により除去し、粉末生成物を得た。エタノール中の1重量%濃度の溶液として測定したK値は16であった。
測定装置:9個のチューブ試料交換装置を備えたD8 Advance回折計(Bruker/AXS)
測定法: 反射におけるθ-θ配置
2θ角度範囲: 2〜80°
ステップ幅(Step width): 0.02°
1角度ステップ(angle step)当りの測定時間: 4.8s
発散スリット: 0.4mmの差し込み開口部を備えたゴベル(Gobel)ミラー
散乱防止(Antiscattering)スリット: ソーラー(Soller)スリット
検出器: Sol-X検出器
温度:室温
発生器設定:40kV/50mA
DSC
DSC Q 2000(TA-Instruments)
パラメータ:
試料重量(Weight taken)約8.5mg
加熱速度:20K/min。
ポリマー1 1200g、Eudragit E PO 400g及びセレコキシブ(Celecoxib)(融点162℃)400gをタービュラ(Turbula)混合容器に量り入れ、タービュラミキサーT10B中で10分間混合した。
1個目のバレルのゾーン温度:20℃; 2個目のバレルのゾーン温度:40℃
3個目以降のバレルのゾーン温度:140℃
スクリュー速度 200rpm
スループット: 500g/h
ダイ直径 3mm
固溶体をXRD及びDSCにより調べたところ、非晶質であることが見出された。0.1規定HCl中で1時間後、95%の活性物質が放出されていた。
ポリマー1 800g、Eudragit E PO 800g及びナプロキセン(Naproxen)(融点157℃)400gをタービュラ混合容器に量り入れ、タービュラミキサーT10B中で10分間混合した。
・1個目のバレルのゾーン温度:20℃; 2個目のバレルのゾーン温度:40℃
・3個目以降のバレルのゾーン温度:120℃
・スクリュー速度 200rpm
・スループット: 600g/h
・ダイ直径 3mm
固溶体をXRD及びDSCにより調べたところ、非晶質であることが見出された。0.1規定HCl中で1時間後、89%の活性物質が放出されていた。
ポリマー1 1200g、Eudragit E PO 400g、ラウリル硫酸ナトリウム 40g及びイトラコナゾール(融点166℃)400gをタービュラ混合容器に量り入れ、タービュラミキサーT10B中で10分間混合した。
・1個目のバレルのゾーン温度:20℃;2個目のバレルのゾーン温度:40℃
・3個目以降のバレルのゾーン温度:140℃
・スクリュー速度 200rpm
・スループット: 800g/h
・ダイ直径 3mm
固溶体をXRD及びDSCにより調べたところ、非晶質であることが見出された。0.1規定HCl中で1時間後、99%の活性物質が放出されていた。
ポリマー1 600g、Kollidon SR 1000g及びフェノフィブラート(融点81℃)400gをタービュラ混合容器に量り入れ、タービュラミキサーT10B中で10分間混合した。
・1個目のバレルのゾーン温度:20℃;2個目のバレルのゾーン温度:40℃
・3個目以降のバレルのゾーン温度:110℃
・スクリュー速度 200rpm
・スループット: 1000g/h
・ダイ直径 3mm
固溶体をXRD及びDSCにより調べたところ、非晶質であることが見出された。0.1規定HCl中、2時間後の活性物質の放出は20%未満であった。pH6.8に再緩衝した後、これをさらに10時間置き、その後、全体で80%の活性物質が放出された。
ポリマー1 600g、Eudragit S 100 1000g及びシンナリジン(融点122℃)400gをタービュラ混合容器に量り入れ、タービュラミキサーT10B中で10分間混合した。トリエチルシトレートを押出機に往復ピストンポンプで供給した。
・1個目のバレルのゾーン温度:20℃;2個目のバレルのゾーン温度:40℃
・3個目以降のバレルのゾーン温度:130℃
・スクリュー速度 100rpm
・スループット: 800g/h
・液体計量投入(metering):80g/h
・ダイ直径 3mm
固溶体をXRD及びDSCにより調べたところ、非晶質であることが見出された。0.1規定HCl中、2時間後の活性物質の放出は10%未満であった。pH6.8に再緩衝した後、100%が放出された。
ポリマー1 400g、Eudragit E PO 1200g及びカルバマゼピン(融点192℃)400gをタービュラ混合容器に量り入れ、タービュラミキサーT10B中で10分間混合した。
・1個目のバレルのゾーン温度:20℃;2個目のバレルのゾーン温度:40℃
・3個目以降のバレルのゾーン温度:160℃
・スクリュー速度 200rpm
・スループット: 600g/h
・ダイ直径 3mm
固溶体をXRD及びDSCにより調べたところ、非晶質であることが見出された。0.1規定HCl中で1時間後、95%の活性物質が放出されていた。
ポリマー1 600g、Eudragit L 100-55 1000g及びロペラミド(融点223℃)400gをタービュラ混合容器に量り入れ、タービュラミキサーT10B中で10分間混合した。
・1個目のバレルのゾーン温度:20℃;2個目のバレルのゾーン温度:40℃
・3個目以降のバレルのゾーン温度:170℃
・スクリュー速度 200rpm
・スループット: 1000g/h
・ダイ直径 3mm
固溶体をXRD及びDSCにより調べたところ、非晶質であることが見出された。0.1規定HCl中で2時間後、活性物質の放出は10%未満であった。pH6.8に再緩衝した後、98%が放出された。
ポリマー1 600g、Eudragit RS PO 500g、Eudragit RL PO 500g及びクロトリマゾール(融点148℃)400gをタービュラ混合容器に量り入れ、タービュラミキサーT10B中で10分間混合した。
・1個目のバレルのゾーン温度:20℃;2個目のバレルのゾーン温度:40℃
・3個目以降のバレルのゾーン温度:150℃
・スクリュー速度 100rpm
・スループット: 700g/h
・ダイ直径 3mm
固溶体をXRD及びDSCにより調べたところ、非晶質であることが見出された。リン酸緩衝液pH6.8中の活性物質の放出は2時間後、20%であった。10時間後、最初に使用された活性物質の84%が放出されていた。
ポリマー1 600g、HPMCAS(ヒドロキシプロピルメチルセルロースアセテートスクシネート)1000g及びシンナリジン(融点122℃)400gをタービュラ混合容器に量り入れ、タービュラミキサーT10B中で10分間混合した。
・1個目のバレルのゾーン温度:20℃;2個目のバレルのゾーン温度:40℃
・3個目以降のバレルのゾーン温度:140℃
・スクリュー速度 100rpm
・スループット: 800g/h
・ダイ直径 3mm
固溶体をXRD及びDSCにより調べたところ、非晶質であることが見出された。0.1規定HCl中、2時間後の活性物質の放出は10%未満であった。pH6.8に再緩衝した後、90%が放出された。
ポリマー1 600g、Eudragit RS PO 500g、Eudragit RL PO 500g及びピロキシカム(融点199℃)400gをタービュラ混合容器に量り入れ、タービュラミキサーT10B中で10分間混合した。
・1個目のバレルのゾーン温度:20℃;2個目のバレルのゾーン温度:40℃
・3個目以降のバレルのゾーン温度:170℃
・スクリュー速度 100rpm
・スループット: 700g/h
・ダイ直径 3mm
固溶体をXRD及びDSCにより調べたところ、非晶質であることが見出された。リン酸緩衝液pH6.8中の活性物質の放出は、2時間後20%であった。10時間後、最初に使用された活性物質の93%が放出されていた。
ポリマー1 600g、エチルセルロース1000g及びフェロジピン(融点145℃)400gをタービュラ混合容器に量り入れ、タービュラミキサーT10B中で10分間混合した。Eudragit NE 40Dを押出機に往復ピストンポンプで供給した。
・1個目のバレルのゾーン温度:20℃;2個目のバレルのゾーン温度:40℃
・3個目以降のバレルのゾーン温度:140℃
・スクリュー速度 100rpm
・スループット:800g/h
・液体計量投入:60g/h
・ダイ直径 3mm
固溶体をXRD及びDSCにより調べたところ、非晶質であることが見出された。リン酸緩衝液pH6.8中の活性物質の放出は、2時間後31%であった;10時間後、最初に使用された活性物質の79%が放出されていた。
ポリマー1 600g、Eudragit RS PO 1000g及びイトラコナゾール(融点166℃)400gをタービュラ混合容器に量り入れ、タービュラミキサーT10B中で10分間混合した。
・1個目のバレルのゾーン温度:20℃;2個目のバレルのゾーン温度:40℃
・3個目以降のバレルのゾーン温度:150℃
・スクリュー速度 100rpm
・スループット: 800g/h
・ダイ直径 3mm
固溶体をXRD及びDSCにより調べたところ、非晶質であることが見出された。リン酸緩衝液pH6.8中の活性物質の放出は2時間後27%であった。10時間後、最初に使用された活性物質の82%が放出されていた。
ポリマー1 400g、Eudragit RL PO 1200g及びカルバマゼピン(融点192℃)400gをタービュラ混合容器に量り入れ、タービュラミキサーT10B中で10分間混合した。
・1個目のバレルのゾーン温度:20℃;2個目のバレルのゾーン温度:40℃
・3個目以降のバレルのゾーン温度:160℃
・スクリュー速度 100rpm
・スループット: 800g/h
・ダイ直径 3mm
固溶体をXRD及びDSCにより調べたところ、非晶質であることが見出された。2時間後、HCl中の活性物質の放出は20%未満であった。pH6.8に再緩衝した後、10時間後、75%が放出された。
ポリマー1 1200g、Eudragit E PO 400g、ドキュセートナトリウム(docusate sodium) 20g及びフェノフィブラート(融点81℃)400gをタービュラ混合容器に量り入れ、タービュラミキサーT10B中で10分間混合した。
・1個目のバレルのゾーン温度:20℃;2個目のバレルのゾーン温度:40℃
・3個目以降のバレルのゾーン温度:120℃
・スクリュー速度 100rpm
・スループット: 800g/h
・ダイ直径 3mm
固溶体をXRD及びDSCにより調べたところ、非晶質であることが見出された。HCl中、2時間後の活性物質の放出は83%であった。
ポリマー1 600g、Kollidon SR 500g、エチルセルロース500g、Cremophor RH40 20g及びクロトリマゾール(融点148℃)400gをタービュラ混合容器に量り入れ、タービュラミキサーT10B中で10分間混合した。
混合物を以下の条件で押出した:
・1個目のバレルのゾーン温度:20℃;2個目のバレルのゾーン温度:40℃
・3個目以降のバレルのゾーン温度:160℃
・スクリュー速度 100rpm
・スループット: 700g/h
・ダイ直径 3mm
固溶体をXRD及びDSCにより調べたところ、非晶質であることが見出された。0.1規定HCl中、2時間後の活性物質の放出は20%未満であった。pH6.8に再緩衝した後、10時間後、87%が放出された。
ポリマー1 600g、HPMCAS 1000g及びフェノフィブラート(融点81℃)400gをタービュラ混合容器に量り入れ、タービュラミキサーT10B中で10分間混合した。
・1個目のバレルのゾーン温度:20℃;2個目のバレルのゾーン温度:40℃
・3個目以降のバレルのゾーン温度:120℃
・スクリュー速度 100rpm
・スループット: 800g/h
・ダイ直径 3mm
固溶体をXRD及びDSCにより調べたところ、非晶質であることが見出された。0.1規定HCl中、2時間後の活性物質の放出は10%未満であった。pH6.8に再緩衝した後、100%が放出された。
実施例7から得られた押出物をエアージェットミルによって粒径25μm未満に粉砕した。0.1規定HCl中、1時間後の活性物質の放出は82%であった。
実施例15から得られた押出物をエアージェットミルによって粒径20μm未満に粉砕した。0.1規定HCl中、1時間後の活性物質の放出は79%であった。
Claims (14)
- ポリエーテルコポリマー及び少なくとも1種の微水溶性ポリマーのポリマーマトリクス中に微水溶性活性物質を含む調製物を含む剤形であって、ポリエーテルコポリマーが30〜80重量%のN-ビニルラクタム、10〜50重量%のビニルアセテートと10〜50重量%のポリエーテルの混合物のフリーラジカル重合により得られ、微水溶性活性物質が非晶質形態でポリマーマトリクス中に存在する、前記剤形。
- 微水溶性ポリマーとして、水中溶解度がpH依存性であるポリマーを含む、請求項1に記載の剤形。
- アクリル酸若しくはメタクリル酸若しくはそのエステル又はこれらのモノマーの混合物に基づく微水溶性ポリマーを含む、請求項1又は2に記載の剤形。
- 微水溶性ポリマーとして、ビニルアセテートのホモ-又はコポリマーを含む、請求項1に記載の剤形。
- 微水溶性ポリマーとしてエチルセルロースを含む、請求項1に記載の剤形。
- ポリエーテルコポリマー対微水溶性ポリマーの比が99:1〜10:90である、請求項1〜5のいずれか1項に記載の剤形。
- ポリエーテルコポリマー対微水溶性ポリマーの比が90:10〜30:70である、請求項1〜6のいずれか1項に記載の剤形。
- ポリエーテルコポリマー対微水溶性ポリマーの比が80:20〜40:60である、請求項1〜7のいずれか1項に記載の剤形。
- ポリマーマトリクスが別の可溶化剤を含む、請求項1〜8のいずれか1項に記載の剤形。
- 請求項1〜9のいずれか1項に記載の微水溶性活性物質の剤形のための調製物の製造方法であって、非晶質形態で存在する活性物質が30〜80重量%のN-ビニルラクタム、10〜50重量%のビニルアセテート及び10〜50重量%のポリエーテルのポリエーテルコポリマーに基づくポリマーマトリクスに埋め込まれ、ここで、ポリエーテルコポリマーに加えて、少なくとも1種の微水溶性ポリマーがポリマーマトリクスに組み込まれ、該ポリマーが微水溶性活性物質と十分に混合される、前記製造方法。
- ポリマーと活性物質の混合物がポリエーテルコポリマーのガラス転移点を超えて加熱される、請求項10に記載の方法。
- ポリマーと活性物質の混合を押出機中で行う、請求項10又は11に記載の方法。
- ポリマーと活性物質の混合を有機溶液中で行い、その後、有機溶媒を除去する、請求項10に記載の方法。
- 有機溶媒が噴霧乾燥により除去される、請求項13に記載の方法。
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JP5758899B2 (ja) | 2009-09-17 | 2015-08-05 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | 活性物質を含有するコーティングにより被覆されたペレット |
EP2477605A1 (de) * | 2009-09-18 | 2012-07-25 | Basf Se | Feste pharmazeutischen zubereitungen enthaltend amphiphile copolymere auf basis von polyethern in kombination mit tensiden |
EP2477606A1 (de) | 2009-09-18 | 2012-07-25 | Basf Se | Schnell lösliche feste pharmazeutische zubereitungen enthaltend amphiphile copolymere auf basis von polyethern in kombination mit hydrophilen polymeren |
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US8715729B2 (en) | 2010-12-22 | 2014-05-06 | Basf Se | Rapidly disintegrating, solid coated dosage form |
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US20160193151A1 (en) * | 2015-01-06 | 2016-07-07 | Maria Del Pilar Noriega Escobar | Dosage form incorporating an amorphous drug solid solution |
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