JP4827725B2 - 医薬品組成物 - Google Patents
医薬品組成物 Download PDFInfo
- Publication number
- JP4827725B2 JP4827725B2 JP2006500187A JP2006500187A JP4827725B2 JP 4827725 B2 JP4827725 B2 JP 4827725B2 JP 2006500187 A JP2006500187 A JP 2006500187A JP 2006500187 A JP2006500187 A JP 2006500187A JP 4827725 B2 JP4827725 B2 JP 4827725B2
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- JP
- Japan
- Prior art keywords
- fentanyl
- pectin
- composition
- composition according
- pharmaceutically acceptable
- 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.)
- Expired - Fee Related
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Images
Classifications
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- 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
- A61K31/4468—Non condensed piperidines, e.g. piperocaine having a nitrogen directly attached in position 4, e.g. clebopride, fentanyl
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- A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
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- 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
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Description
(i)フェンタニルまたは薬学的に許容されるその塩と、
(ii)エステル化度(DE値)が7〜30%であるペクチンと、
を含む水溶液を有する組成物を提供するものである。但し、前記組成物は、2価のイオン、特にカルシウムイオンなどのペクチンをゲル化させる試薬を実質的に含まない。
2gのペクチン(Slendid 100, CP Kelco, デンマーク)を、180mlの水に撹拌しながら溶解させた。1mlのフェニルエチルアルコール(R. C. Treat, イギリス)及び40mgのプロピルヒドロキシ安息香酸(Nipa Laboratories, イギリス)を防腐剤として加えた。314mgのクエン酸フェンタニル(MacFarlan Smith,エジンバラ、イギリス)及び8.3gのマンニトール(Sigma, Poole,イギリス)をペクチン溶液に溶解させ、200mlのメスフラスコに移し、水でメスアップした。得られた溶液のpHは4.2、重量オスモル濃度は0.33osmol/kgであった。
4gのペクチン(Slendid 100)を180mlの水に撹拌しながら溶解させた。1mlのフェニルエチルアルコール及び40mgのプロピルヒドロキシ安息香酸をペクチン溶液に加えた。314mgのクエン酸フェンタニル及び8.3gのマンニトールをペクチン溶液に溶解させ、200mlのメスフラスコに移し、水でメスアップした。
300mgの50%塩化ベンザルコニウム水溶液(Albright & Wilson, イギリス)を秤
量して10mlのメスフラスコに移し、約8mlの水に分散させた後10mlにメスアップして、15mg/mlの塩化ベンザルコニウム溶液を調製した。
2.5gのペクチン(Slendid 100)を200mlの水に撹拌して溶解させた。1.25mlのフェニルエチルアルコールと50mgのプロピルヒドロキシ安息香酸をペクチン溶液に加えた。1.58mgのアミノ酸フェンタニルと9gのマンニトールをペクチン溶液に溶解させ、250mlのメスフラスコに移して水でメスアップした。
3の経鼻フェンタニル処方及び経粘膜トローチ処方(ActiqR, Elan Pharmaceuticals, UK)について臨床試験を行い、薬物動力学的な効力を評価した。
Claims (18)
- フェンタニルまたは薬学的に許容されるその塩の経鼻送達のための組成物であって、前記組成物は、
(i)フェンタニルまたは薬学的に許容されるその塩と、
(ii)エステル化度(DE値)が7〜30%であるペクチンと、を有し、
前記組成物の97%より大きい割合は2価金属イオン以外の成分からなり、
経鼻投与される同量のフェンタニルの単純な水溶液との比較において前記組成物は、同量のフェンタニルを単純な水溶液を用いて経鼻投与した場合に対して30〜70%のフェンタニルの血漿濃度ピーク(Cmax)が得られる組成物。 - 薬学的に許容されるフェンタニルの塩を有する、請求項1に記載の組成物。
- 前記薬学的に許容されるフェンタニルの塩は、クエン酸フェンタニルである、請求項2に記載の組成物。
- 前記ペクチンはDE値が10〜25%である、請求項1に記載の組成物。
- 前記ペクチンの濃度は1〜40mg/mlである、請求項1〜4の何れか1項に記載の組成物。
- 前記ペクチンの濃度は2〜30mg/mlである、請求項5に記載の組成物。
- 前記ペクチンの濃度は5〜25mg/mlである、請求項6に記載の組成物。
- 前記組成物の99%超は2価金属イオン以外の成分からなる、請求項1〜7の何れか1項に記載の組成物。
- 重量オスモル濃度が0.25〜0.35osmol/kgである、請求項1〜8の何れか1項に記載の組成物。
- pHが3.4〜5.0である、請求項1〜9の何れか1項に記載の組成物。
- フェンタニルまたは薬学的に許容されるその塩の濃度が0.2〜15mg/ml(フェンタニルとして表示)である、請求項1〜10の何れか1項に記載の組成物。
- (i)0.2〜16mg/mlのフェンタニルまたは薬学的に許容されるその塩(フェンタニル遊離塩基として表示)と、
(ii)5〜25mg/mlのDE値が7〜30%であるペクチン
の水溶液を有し、
pHが3.4〜5.0及び重量オスモル濃度が0.25〜0.35osmol/kgである、請求項1に記載の組成物。 - 滴液または噴霧の形態によって鼻へ送達するように構成された、請求項1〜12の何れか1項に記載の組成物。
- 激痛または慢性痛の治療または予防に用いられる、請求項1〜13の何れか1項に記載の組成物。
- エステル化度(DE値)が7〜30%であるペクチンの、フェンタニル及び薬学的に許容されるその塩を必要としている患者へ経鼻送達するための薬剤の製造における使用であって、前記薬剤の97%より大きい割合は2価金属イオン以外の成分からなり、経鼻送達される同量のフェンタニル用量の単純な水溶液を用いて得られる場合に対して30〜70%のフェンタニルの血漿濃度ピーク(Cmax)が得られるように構成されている、使用方法。
- 激痛または慢性痛の治療または予防のための薬剤の製造のための、請求項15に記載の使用方法。
- 請求項1〜14の何れか1項に記載の組成物を装填した噴霧装置。
- 請求項1〜14の何れか1項に記載の組成物を調整するための方法であって、フェンタニルまたは薬学的に許容できるその塩を前記ペクチンと水中にて混合する工程を有する方法。
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