JP2009519943A - イラプラゾールの医薬組成物 - Google Patents
イラプラゾールの医薬組成物 Download PDFInfo
- Publication number
- JP2009519943A JP2009519943A JP2008545834A JP2008545834A JP2009519943A JP 2009519943 A JP2009519943 A JP 2009519943A JP 2008545834 A JP2008545834 A JP 2008545834A JP 2008545834 A JP2008545834 A JP 2008545834A JP 2009519943 A JP2009519943 A JP 2009519943A
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- JP
- Japan
- Prior art keywords
- pharmaceutical composition
- active ingredient
- benzimidazole
- pyridyl
- methoxy
- 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.)
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- 239000008194 pharmaceutical composition Substances 0.000 title claims abstract description 132
- HRRXCXABAPSOCP-UHFFFAOYSA-N ilaprazole Chemical group COC1=CC=NC(CS(=O)C=2NC3=CC(=CC=C3N=2)N2C=CC=C2)=C1C HRRXCXABAPSOCP-UHFFFAOYSA-N 0.000 title description 32
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Abstract
Description
ベンゾイミダゾール部分中のNは、R6ないしR9によって置換された環炭素原子の1つが、何れの置換体も有さない窒素原子と場合によって交換され得ることを意味し;
R1,R2及びR3は、同一又は異なり、水素、アルキル、アルコキシから選択され、アルキル、アルコキシは、フッ素、アルキルチオ、アルコキシアルコキシ、ジアルキルアミノ、ピペリジノ、モルフォリノ、ハロゲン、フェニル及びフェニルアルコキシによって、場合によって置換され;
R4及びR5は、同一又は異なり、水素、アルキル及びアリールアルキルから選択され;
R6’は、水素、ハロゲン、トリフルオロメチル、アルキル又はアルコキシであり;
R6ないしR9は、同一又は異なり、さらに置換され得る水素、アルキル、アルコキシ、ハロゲン、ハロアルコキシ、アルキルカルボニル、アルコキシカルボニル、オキサゾリニル、トリフルオロアルキル、複素環から選択され、又は隣接する基R6ないしR9は、さらに置換され得る環構造を形成し;
R10は、水素でり、又は、R3及びR11とともにアルキレン鎖を形成し;並びに
R12が、同一又は異なり、及び、水素、ハロゲン又はアルキルから選択される。)
の化合物であり得る。
ベンゾイミダゾール部分中のNは、R6ないしR9によって置換された環炭素原子の1つが、何れの置換体も有さない窒素原子で場合によって交換され得ることを意味し;
R1、R2及びR3は、同一又は異なり、水素、アルキル、アルコキシから選択され、アルキル、アルコキシは、フッ素、アルキルチオ、アルコキシアルコキシ、ジアルキルアミノ、ピペリジノ、モルフォリノ、ハロゲン、フェニル及びフェニルアルコキシによって場合によって置換され;
R4及びR5は、同一又は異なり、水素、アルキル及びアリールアルキルから選択され;
R6’は、水素、ハロゲン、トリフルオロメチル、アルキル又はアルコキシであり;
R6ないしR9は、同一又は異なり、水素、アルキル、アルコキシ、ハロゲン、ハロアルコキシ、アルキルカルボニル、アルコキシカルボニル、オキサゾリニル、トリフルオロアルキル、さらに置換され得る複素環から選択され、又は隣接する基R6ないしR9は、さらに置換され得る環構造を形成し;
R10は、水素であり、又は、R3及びR11とともにアルキレン鎖を形成し;並びに
R12は、同一又は異なり、及び、水素、ハロゲン又はアルキルから選択される。
一旦、ビーズが調製されたら、ビーズは、本分野において公知のように、カプセル中に充填され得る。あるいは、ビーズは、本分野において慣用の技術を用いて、ビーズは錠剤中に圧縮され得る。
イラプラゾールの原材料をRaylo Chemicals Inc.,Alberta,Canadaで合成し、微粉化して、ロットAを付与した。ロットBは、Il−Yang Pharmaceutical Company,Seoul,South Koreaから得た。
以下に記載される製剤A及びBの製造時に、次の工程を利用した。
1.薬物層状化
2.サブコーティング
3.腸溶コーティング
4.カプセル充填
薬物層状化
流動床処理(区画を伴う下部スプレー)によって糖球(以後、「製剤A」と呼ばれる。)又は(Asahi Kasei,Japanから市販されている)Celphere(以後、「製剤B」と呼ばれる。)の何れかへ、(実施例1におけるロットA由来の)イラプラゾールを層状化(コーティング)した。両製剤に関する層状化過程は同一であった。層状懸濁液を次のとおり調製した。精製水をビーカーへ秤量した溶液が得られるまで撹拌しながら、ヒドロキシプロピルセルロース(「HPC−L」)を(固着するのを防止するため)徐々に添加した。激しい撹拌を利用することによって、本溶液中に炭酸マグネシウム及び低置換ヒドロキシプロピルセルロース(「L−HPC」)を均質に分散した。最後に、イラプラゾール(実施例1由来のロットA)を本懸濁液へゆっくり添加し、均質に分散させた。得られた懸濁液を30分間撹拌し、20メッシュの篩にかけ、凝集体も塊も残っていないことを確実にした。製剤A及びBに関して利用される層状化懸濁液の組成は、以下の表2に呈示されている。
Opadry II Y−30−18037(Colorcon,PA)を水中に溶解し、17.5%(w/w)の懸濁液を形成した。サブコーティング懸濁液を3倍過剰に調製し、望ましい量及び固体の10%重量増加に相当する量を適用した。サブコーティング懸濁液を調製するため、適切な容器中で精製水を秤量し、激しく撹拌して渦を形成した。塊の形成を防止するため、Opadry II粉末をゆっくり添加した。全ての粉末を添加した後、懸濁液を約20分間撹拌した。処理パラメータは、層状化実験において使用されたものと同様であった。より小さなスプレー速度を使用したことによって、より高い生成物温度(40ないし43℃)を得た。サブコーティング処理の間、凝集は観察されなかった。サブコーティングされたビーズ約162gを処理の終了時に放出し、腸溶コーティング工程において本生成物150gを使用した。
サブコーティングしたビーズ2種類が、最終的な腸溶コーティング処理に利用可能であり、次のとおり、2つの異なる腸溶ポリマーでコーティングした:
1.Opadry IIでサブコーティングされ、Acryl EZE(メタクリル酸共重合体C型)で腸溶コーティングされた糖球ベースのビーズ:製剤A
2.Opadry IIでサブコーティングされ、Spectracyl L100(メタクリル酸共重合体A型)で腸溶コーティングされたCelphereベースのビーズ:製剤B
製剤A
水中でAcryl EZEポリマーを懸濁して、20%(w/w)懸濁液を形成することによって腸溶コーティング懸濁液を調製した。適切な容器中に精製水を秤量し、激しく撹拌して渦を得た。Acryl EZE粉末をゆっくり添加して、効率的な分散を確実にした。使用前に少なくとも20分間、分散物を撹拌した。
Spectracyl L100の93.75gをイソプロピルアルコール1334.38gへ添加し、混合物を約60分間激しく撹拌して、全ての塊を防止した。
製剤A由来の顆粒の適切な量をサイズ4のカプセル中に充填し、イラプラゾール10mgを提供した。製剤B由来の顆粒の適切な量をサイズ4のカプセル中に充填し、イラプラゾール10mgを提供した。
腸溶コーティング錠剤(以後、「製剤C」と呼ばれる。)の組成を以下の表6に提供する。
乳糖及びデンプンを互いに配合し、デンプンペーストで顆粒化した。これらの顆粒を25メッシュの篩にかけ、70℃で5時間乾燥させ、ステアリン酸マグネシウムと約15分間配合した。次に、これらの顆粒を、各々50メッシュの篩(このような篩にかけた粒子は、約300ミクロンまでの平均粒子サイズを有し得る。)にかけておいたイラプラゾール(実施例1由来のロットB)と水酸化マグネシウムとの混合物と配合した。本混合物を錠剤へ圧縮した。
ヒプロメロース2910及びポリエチレングリコール6000をエタノール−水混合物(80:20)中に溶解した。二酸化チタンをエタノール−水混合物(80:20)中に懸濁し、均質化した。懸濁液及び溶液を撹拌しながら互いに混合した。本懸濁液を、フィルムコーティング処理ユニット中で、コーティングされていない錠剤へ、空気入口温度80℃±5℃及び寝かし温度40℃±5℃でスプレーコーティングした。
フタル酸ヒドロキシプロピルメチルセルロース、ヒプロメロース及びセチルアルコールをアセトン/エタノール(1:1)の混合物中に溶解した。本溶液をフィルムコーティング処理ユニット中で、サブコーティングした錠剤へ、空気入口温度75℃±5℃及び寝かし温度35℃±5℃でスプレーした。
本研究の目的は、製剤A、B及びCの溶解特性を測定することであった。製剤A、B及びCは、実施例2において記載されている製剤A、B及びCに相当する。本実施例において、製剤A及びBの顆粒を研究した。製剤Cに関しては、5mg錠剤を研究した。製剤Cで製剤された錠剤に関する記載も、実施例2に提供されている。
材料:
一塩基性リン酸ナトリウム(Fisher Scientific,Hampton,NHより市販)
ラウリル硫酸ナトリウム(以後、「SLS」と呼ぶ。)(Fisher Scientificより市販)
蒸留水
2N NaOH(Fisher Scientificより市販)
HPLC等級のアセトニトリル(以後、「CAN」と呼ぶ。)(Fisher Scientificより市販)
HPLC等級のH2O(Fisher Scientificより市販)
HPLC等級のトリエチルアミン(以後、「TEA」と呼ぶ。)(Fisher Scientificより市販)
85%oリン酸(H3PO4)(Fisherより市販)
イラプラゾール(Raylo Chemicals,Inc.より提供)(以後、「参照材料」と呼ぶ。)
13mm、0.45μmのGHPメンブレンフィルター(Pall Corporation,East Hills,NYより市販)
1.HPLC等級の水1200mL、HPLC等級のアセトニトリル800mL及びHPLC等級のTEA20mLを互いに混合する。
2.混合物のpHをoリン酸(85%)で10.00±0.05に調整する。
1.HPLC等級の水1200mL、HPLC等級のアセトニトリル800mL及びHPLC等級のTEA20mLを互いに混合する。
2.混合物のpHをoリン酸(85%)で7.00±0.05に調整する。
1.一塩基性リン酸ナトリウム約27.6gを正確に秤量し、4L容器に添加する。
2.蒸留水3000mLを添加し、十分に混合して溶解する。
3.SLS約20gを600mLビーカー中で正確に秤量し、蒸留水400mLを添加し、十分に混合して溶解する。
4.SLS混合物を4L容器に添加する。
5.蒸留水100mLを使用して、ビーカーを4L容器へとすすぐ。
6.十分に混合して、pHを2N NaOHで7.5±0.05に調整する。
7.蒸留水を十分に添加して、合計4Lの容積にし、十分に混合する。
1.イラプラゾール参照材料約50mgを正確に秤量し、それを100mLのメスフラスコへ転移させる。
2.pH希釈剤で一定容積にし、十分に混合する。
3.超音波処理して固体を溶解する。
4.上述の溶液4.0mLをpH10希釈剤で200.0mLにさらに希釈し、十分に混合する。
5.上述の溶液25.0mLをpH10希釈剤で50.0mLにさらに希釈し、十分に混合する。
6.上述の工程5由来の溶液の一部を、13mm、0.45μmのGHPメンブレンで濾過し、濾液の最初の5mLを廃棄した後、HPLCバイアルに充填する。
装置:USP装置1、40メッシュバスケット付き、回転速度:100rpm
溶解媒体:0.5%SLS含有pH7.5緩衝液
容積:500mL
接触時間:30分
サンプリング時間:10、15、20及び30分。その後、HPLCにより分析。
温度:37℃±0.5℃
1.錠剤については、1個の錠剤を各バスケットに添加した。顆粒については、秤量された試料量をバスケット中に転移した。
2.溶解媒体500mLを各容器に添加し、37.0±0.5℃に平衡化した。
3.バスケットに錠剤/顆粒を添加し、シャフトへ装着し、容器中に下げ、回転及びタイマーを開始した。
4.10mL使い捨てシリンジ及びステンレス鋼カニューレを使用して、10、15、20及び30分に試料を採取した。容器から10mLを回収し、カニューレを13mm、0.45μm、GHPメンブレンと置換し、濾液の最初の2mLを廃棄し、残りをガラス検査管中に回収した。媒体の容積が少量であるため、バスケットの上部と下部との間の中間で試料採取した。
5.濾液5.0mLをpH10希釈剤で10.0mLにさらに希釈し、十分に混合した(試料を採取した直後に実施した。)。
上述のインビトロでの溶解検査から得られた製剤A、B及びCの各々に関する溶解特性の要約を以下の表7に示す。結果は、上述のインビトロでの溶解検査中で検査される場合、製剤A及びB中のイラプラゾールの少なくとも70%が、20分以内に放出されることを明確に示している。対照的に、上述のインビトロでの溶解検査において検査される場合、製剤C中のイラプラゾールの70%未満が、20分以内で放出される。
本研究の目的は、雄及び雌のビーグル犬において遅延放出性錠剤に対する遅延放出性カプセルとしてのイラプラゾールの単回10mg経口用量の生物学的利用率を評価することであった。
Claims (44)
- 約0.1ミクロンから約100ミクロンまでの平均粒子サイズを有する活性成分を含む医薬組成物。
- 前記活性成分が、次の式I
ベンゾイミダゾール部分中のNは、R6ないしR9によって置換された環炭素原子の1つが、何れの置換体も有さない窒素原子と場合によって交換され得ることを意味し;
R1、R2及びR3は、同一又は異なり、水素、アルキル、アルコキシから選択され、アルキル、アルコキシは、フッ素、アルキルチオ、アルコキシアルコキシ、ジアルキルアミノ、ピペリジノ、モルフォリノ、ハロゲン、フェニル及びフェニルアルコキシによって、場合によって置換される、;
R4及びR5は、同一又は異なり、水素、アルキル及びアリールアルキルから選択され;
R6’は、水素、ハロゲン、トリフルオロメチル、アルキル又はアルコキシであり;
R6ないしR9は、同一又は異なり、水素、アルキル、アルコキシ、ハロゲン、ハロアルコキシ、アルキルカルボニル、アルコキシカルボニル、オキサゾリニル、トリフルオロアルキル、さらに置換され得る複素環から選択され、又は隣接する基R6ないしR9は、さらに置換され得る環構造を形成し;
R10は、水素であり、又は、R3及びR11とともにアルキレン鎖を形成し;並びに
R12は、同一又は異なり、及び、水素、ハロゲン又はアルキルから選択される。)
を有する化合物である、請求項1に記載の医薬組成物。 - 前記活性成分が、約0.5ミクロンから約75ミクロンまでの平均粒子サイズを有する、請求項1に記載の医薬組成物。
- 活性成分が、約0.75ミクロンから約65ミクロンまでの平均粒子サイズを有する、請求項3に記載の医薬組成物。
- 活性成分が、約1ミクロンから約50ミクロンまでの平均粒子サイズを有する、請求項4に記載の医薬組成物。
- 活性成分が、約50ミクロン未満の平均粒子サイズを有する、請求項1に記載の医薬組成物。
- 活性成分が、約45ミクロン未満の平均粒子サイズを有する、請求項6に記載の医薬組成物。
- 活性成分が、約40ミクロン未満の平均粒子サイズを有する、請求項7に記載の医薬組成物。
- 活性成分が、2−[[(4−メトキシ−3−メチル)−2−ピリジル]メチルスルフィニル]−5−(1H−ピロール−1−イル)ベンゾイミダゾールである、請求項1に記載の医薬組成物。
- 活性成分が、(−)−2−[[(4−メトキシ−3−メチル)−2−ピリジル]メチルスルフィニル]−5−(1H−ピロール−1−イル)ベンゾイミダゾールである、請求項1に記載の医薬組成物。
- 活性成分が、(+)−2−[[(4−メトキシ−3−メチル)−2−ピリジル]メチルスルフィニル]−5−(1H−ピロール−1−イル)ベンゾイミダゾールである、請求項1に記載の医薬組成物。
- 前記組成物が、安定化剤、界面活性剤、コーティング、結合剤、流動促進剤、溶解度増強剤、甘味料及び/又は着香剤、充填剤、潤滑剤、防腐剤、緩衝剤、湿潤剤、保湿剤、乳化剤、防腐剤、発泡剤、溶解遅延剤、吸収加速剤、崩壊剤の少なくとも1つ又はそれらの組み合わせをさらに含む、請求項1に記載の医薬組成物。
- 少なくとも1つの安定化剤が、IA群の金属の塩、IIA群の金属、IA群の金属の重炭酸塩、IIA群の金属の重炭酸塩、ナトリウム塩、マグネシウム塩、カルシウム塩、アルミニウム塩、マグネシウムの重炭酸塩、カルシウムの重炭酸塩、アルミニウムの重炭酸塩、ポリマー、アルギン酸ナトリウム、ステロール、脂肪アルコール又はそれらの組み合わせである、請求項12に記載の医薬組成物。
- 前記組成物が、腸溶コーティングをさらに含む、請求項1に記載の医薬組成物。
- 前記組成物が、顆粒、微粒子又は微小粒子である、請求項1に記載の医薬組成物。
- 顆粒、微粒子又は微小粒子が、カプセル中に配置される、請求項15に記載の医薬組成物。
- 胃腸障害の治療を要する患者に、請求項1に記載の医薬組成物の治療的有効量を投与する工程を含む、該患者において胃腸障害を治療する方法。
- 胃腸障害が、胸焼け、炎症性腸疾患、クローン病、過敏性腸症候群、潰瘍性大腸炎、消化性潰瘍、ストレス潰瘍、出血性消化性潰瘍、十二指腸潰瘍、感染性腸炎、結腸炎、憩室炎、胃酸過多、消化障害、胃不全麻痺、ゾリンジャー・エリソン症候群、胃食道逆流症、ヘリコバクター・ピロリ関連疾患、短腸症候群、全身性肥満細胞症と関連した分泌過多状態若しくは好塩基性白血病若しくは高ヒスタミン血症又は上述の障害の何れかの組み合わせである、請求項17に記載の方法。
- 胃食道逆流症が、症候性胃食道逆流症又は無症候性胃食道逆流症である、請求項18に記載の方法。
- 慢性咳の治療を要する患者に請求項1に記載の医薬組成物の治療的有効量を投与する工程を含む、該患者において慢性咳を治療する方法。
- 約0.1ミクロンから約100ミクロンの平均粒子サイズを有し、さらに、2−[[(4−メトキシ−3−メチル)−2−ピリジル]メチルスルフィニル]−5−(1H−ピロール−1−イル)ベンゾイミダゾール、(−)−2−[[(4−メトキシ−3−メチル)−2−ピリジル]メチルスルフィニル]−5−(1H−ピロール−1−イル)ベンゾイミダゾール、(+)−2−[[(4−メトキシ−3−メチル)−2−ピリジル]メチルスルフィニル]−5−(1H−ピロール−1−イル)ベンゾイミダゾール、これらの塩、代謝産物、多形、共結晶又は組み合わせである活性成分を含む医薬組成物。
- 前記活性成分が、約0.5ミクロンから約75ミクロンまでの平均粒子サイズを有する、請求項21に記載の医薬組成物。
- 活性成分が、約0.75ミクロンから約65ミクロンまでの平均粒子サイズを有する、請求項22に記載の医薬組成物。
- 活性成分が、約1ミクロンから約50ミクロンまでの平均粒子サイズを有する、請求項23に記載の医薬組成物。
- 活性成分が、約50ミクロン未満の平均粒子サイズを有する、請求項21に記載の医薬組成物。
- 活性成分が、約45ミクロン未満の平均粒子サイズを有する、請求項25に記載の医薬組成物。
- 活性成分が、約40ミクロン未満の平均粒子サイズを有する、請求項26に記載の医薬組成物。
- 活性成分が、2−[[(4−メトキシ−3−メチル)−2−ピリジル]メチルスルフィニル]−5−(1H−ピロール−1−イル)ベンゾイミダゾールである、請求項21に記載の医薬組成物。
- 活性成分が、(−)−2−[[(4−メトキシ−3−メチル)−2−ピリジル]メチルスルフィニル]−5−(1H−ピロール−1−イル)ベンゾイミダゾールである、請求項21に記載の医薬組成物。
- 活性成分が、(+)−2−[[(4−メトキシ−3−メチル)−2−ピリジル]メチルスルフィニル]−5−(1H−ピロール−1−イル)ベンゾイミダゾールである、請求項21に記載の医薬組成物。
- 該組成物がさらに、安定化剤、界面活性剤、コーティング、結合剤、流動促進剤、溶解度増強剤、甘味剤及び/又は着香剤、充填剤、潤滑剤、防腐剤、緩衝剤、湿潤剤、保湿剤、乳化剤、防腐剤、発泡剤、溶解遅延剤、吸収加速剤、崩壊剤の少なくとも1つ又はそれらの組み合わせを含む、請求項21に記載の医薬組成物。
- 少なくとも1つの安定化剤が、IA群の金属の塩、IIA群の金属、IA群の金属の重炭酸塩、IIA群の金属の重炭酸塩、ナトリウム塩、マグネシウム塩、カルシウム塩、アルミニウム塩、マグネシウムの重炭酸塩、カルシウムの重炭酸塩、アルミニウムの重炭酸塩、ポリマー、アルギン酸ナトリウム、ステロール、脂肪アルコール又はそれらの組み合わせである、請求項31に記載の医薬組成物。
- 前記組成物が、腸溶コーティングをさらに含む、請求項21に記載の医薬組成物。
- 前記組成物が、顆粒、微粒子又は微小粒子である、請求項21に記載の医薬組成物。
- 顆粒、微粒子又は微小粒子が、カプセル中に配置される、請求項34に記載の医薬組成物。
- インビトロでの溶解検査装置1(バスケット法)において、約0.5のラウリル硫酸ナトリウムを溶解媒体として有するpH7.5の緩衝液500mL中で、約100rpm及び約37℃±0.5℃の温度で検査された場合に、2−[[(4−メトキシ−3−メチル)−2−ピリジル]メチルスルフィニル]−5−(1H−ピロール−1−イル)ベンゾイミダゾール、(−)−2−[[(4−メトキシ−3−メチル)−2−ピリジル]メチルスルフィニル]−5−(1H−ピロール−1−イル)ベンゾイミダゾール、(+)−2−[[(4−メトキシ−3−メチル)−2−ピリジル]メチルスルフィニル]−5−(1H−ピロール−1−イル)ベンゾイミダゾール、これらの塩、代謝産物、多形、共結晶又は組み合わせの少なくとも70%が、約20分以内に組成物から放出される、請求項21に記載の医薬組成物。
- インビトロでの溶解検査装置1(バスケット法)において、約0.5のラウリル硫酸ナトリウムを溶解媒体として有するpH7.5の緩衝液500mL中で、約100rpm及び約37℃±0.5℃の温度で検査された場合に、2−[[(4−メトキシ−3−メチル)−2−ピリジル]メチルスルフィニル]−5−(1H−ピロール−1−イル)ベンゾイミダゾール、(−)−2−[[(4−メトキシ−3−メチル)−2−ピリジル]メチルスルフィニル]−5−(1H−ピロール−1−イル)ベンゾイミダゾール、(+)−2−[[(4−メトキシ−3−メチル)−2−ピリジル]メチルスルフィニル]−5−(1H−ピロール−1−イル)ベンゾイミダゾール、これらの塩、代謝産物、多形、共結晶又は組み合わせの少なくとも75%が、約20分以内に組成物から放出される、請求項21に記載の医薬組成物。
- インビトロでの溶解検査装置1(バスケット法)において、約0.5のラウリル硫酸ナトリウムを溶解媒体として有するpH7.5の緩衝液500mL中で、約100rpm及び約37℃±0.5℃の温度で検査された場合に、2−[[(4−メトキシ−3−メチル)−2−ピリジル]メチルスルフィニル]−5−(1H−ピロール−1−イル)ベンゾイミダゾール、(−)−2−[[(4−メトキシ−3−メチル)−2−ピリジル]メチルスルフィニル]−5−(1H−ピロール−1−イル)ベンゾイミダゾール、(+)−2−[[(4−メトキシ−3−メチル)−2−ピリジル]メチルスルフィニル]−5−(1H−ピロール−1−イル)ベンゾイミダゾール、これらの塩、代謝産物、多形、共結晶又は組み合わせの少なくとも80%が、約20分以内に組成物から放出される、請求項21に記載の医薬組成物。
- インビトロでの溶解検査装置1(バスケット法)において、約0.5のラウリル硫酸ナトリウムを溶解媒体として有するpH7.5の緩衝液500mL中で、約100rpm及び約37℃×0.5℃の温度で検査された場合に、2−[[(4−メトキシ−3−メチル)−2−ピリジル]メチルスルフィニル]−5−(1H−ピロール−1−イル)ベンゾイミダゾール、(−)−2−[[(4−メトキシ−3−メチル)−2−ピリジル]メチルスルフィニル]−5−(1H−ピロール−1−イル)ベンゾイミダゾール、(+)−2−[[(4−メトキシ−3−メチル)−2−ピリジル]メチルスルフィニル]−5−(1H−ピロール−1−イル)ベンゾイミダゾール、これらの塩、代謝産物、多形、共結晶又は組み合わせの少なくとも85%が、約20分以内に組成物から放出される、請求項21に記載の医薬組成物。
- インビトロでの溶解検査装置1(バスケット法)において、約0.5のラウリル硫酸ナトリウムを溶解媒体として有するpH7.5の緩衝液500mL中で、約100rpm及び約37℃±0.5℃の温度で検査された場合に、2−[[(4−メトキシ−3−メチル)−2−ピリジル]メチルスルフィニル]−5−(1H−ピロール−1−イル)ベンゾイミダゾール、(−)−2−[[(4−メトキシ−3−メチル)−2−ピリジル]メチルスルフィニル]−5−(1H−ピロール−1−イル)ベンゾイミダゾール、(+)−2−[[(4−メトキシ−3−メチル)−2−ピリジル]メチルスルフィニル]−5−(1H−ピロール−1−イル)ベンゾイミダゾール、これらの塩、代謝産物、多形、共結晶又は組み合わせの少なくとも90%が、約20分以内に組成物から放出される、請求項21に記載の医薬組成物。
- 胃腸障害の治療を要する患者に請求項21に記載の医薬組成物の治療的有効量を投与する
工程を含む、前記患者において胃腸障害を治療する方法。 - 胃腸障害が、胸焼け、炎症性腸疾患、クローン病、過敏性腸症候群、潰瘍性大腸炎、消化性潰瘍、ストレス潰瘍、出血性消化性潰瘍、十二指腸潰瘍、感染性腸炎、結腸炎、憩室炎、胃酸過多、消化障害、胃不全麻痺、ゾリンジャー・エリソン症候群、胃食道逆流症、ヘリコバクター・ピロリ関連疾患、短腸症候群、全身性肥満細胞症と関連した分泌過多状態若しくは好塩基性白血病若しくは高ヒスタミン血症又は上述の障害の何れかの組み合わせである、請求項41に記載の方法。
- 胃食道逆流症が、症候性胃食道逆流症又は無症候性胃食道逆流症である、請求項42に記載の方法。
- 慢性咳の治療を要する患者に、請求項21に記載の医薬組成物の治療的有効量を投与する
工程を含む、前記患者において慢性咳を治療する方法。
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US75096805P | 2005-12-16 | 2005-12-16 | |
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EP (1) | EP1971327A4 (ja) |
JP (1) | JP2009519943A (ja) |
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GB0327723D0 (en) | 2003-09-15 | 2003-12-31 | Vectura Ltd | Pharmaceutical compositions |
CN102552256A (zh) * | 2010-12-23 | 2012-07-11 | 丽珠医药集团股份有限公司 | 一种艾普拉唑肠溶胶囊及其制备方法 |
CN102552214A (zh) * | 2010-12-23 | 2012-07-11 | 丽珠医药集团股份有限公司 | 一种艾普拉唑肠溶胶囊及其制备方法 |
DE102011088828B4 (de) | 2011-12-16 | 2013-08-29 | Siemens Aktiengesellschaft | Erstellung eines MR-Bildes eines Untersuchungsobjekts unter Verwendung einer für ein Empfangsspulenelement erstellten Maske |
CN105055342A (zh) * | 2015-08-13 | 2015-11-18 | 青岛蓝盛洋医药生物科技有限责任公司 | 一种治疗消化性溃疡的药物艾普拉唑钠组合物冻干粉针剂 |
KR101961028B1 (ko) * | 2017-10-12 | 2019-03-21 | 중앙대학교 산학협력단 | 일라프라졸을 유효성분으로 함유하는 급성 위염의 예방 또는 치료용 약학 조성물 |
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KR20240078782A (ko) * | 2022-11-28 | 2024-06-04 | 국민대학교산학협력단 | 안정성이 개선된 일라프라졸을 유효성분으로 포함하는 경구용 속방형 제제 및 이의 제조방법 |
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US20050054682A1 (en) * | 1996-01-04 | 2005-03-10 | Phillips Jeffrey O. | Pharmaceutical compositions comprising substituted benzimidazoles and methods of using same |
US6699885B2 (en) * | 1996-01-04 | 2004-03-02 | The Curators Of The University Of Missouri | Substituted benzimidazole dosage forms and methods of using same |
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AR045068A1 (es) * | 2003-07-23 | 2005-10-12 | Univ Missouri | Formulacion de liberacion inmediata de composiciones farmaceuticas |
EP2486910A3 (en) * | 2006-10-27 | 2012-08-22 | The Curators Of The University Of Missouri | Multi-chambered apparatus comprising a dispenser head |
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EP1971327A2 (en) | 2008-09-24 |
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