JP5079713B2 - 満腹を誘発するための、好ましく加工されたデンプンを含む胃内ラフト組成物 - Google Patents
満腹を誘発するための、好ましく加工されたデンプンを含む胃内ラフト組成物 Download PDFInfo
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- JP5079713B2 JP5079713B2 JP2008558871A JP2008558871A JP5079713B2 JP 5079713 B2 JP5079713 B2 JP 5079713B2 JP 2008558871 A JP2008558871 A JP 2008558871A JP 2008558871 A JP2008558871 A JP 2008558871A JP 5079713 B2 JP5079713 B2 JP 5079713B2
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- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
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Classifications
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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
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0053—Mouth and digestive tract, i.e. intraoral and peroral administration
- A61K9/0065—Forms with gastric retention, e.g. floating on gastric juice, adhering to gastric mucosa, expanding to prevent passage through the pylorus
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- A—HUMAN NECESSITIES
- 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
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- A—HUMAN NECESSITIES
- 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
- A61P1/04—Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
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- A—HUMAN NECESSITIES
- 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
- A61P1/16—Drugs for disorders of the alimentary tract or the digestive system for liver or gallbladder disorders, e.g. hepatoprotective agents, cholagogues, litholytics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/04—Anorexiants; Antiobesity agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/06—Antihyperlipidemics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
- A61P3/10—Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
Landscapes
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Epidemiology (AREA)
- Child & Adolescent Psychology (AREA)
- Gastroenterology & Hepatology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Description
本発明は、哺乳動物における食欲を調節する方法に関する。特に、本発明は、個体における満腹を誘発する方法、及びそのような使用に適した組成物に関する。本発明は、胃中の食餌エネルギー源の保持を延長する方法、及び糖原病(GSD)及び糖尿病などの低血糖症を特徴とする疾患を治療する方法も提供する。
肥満は、増大しつつある世界的な健康問題であり、高血圧症や動脈硬化症などの循環器疾患、インスリン非依存性糖尿病、骨関節炎や、ある特定の癌などの多くの健康問題についての主な原因及び/又はリスク要因として関係してきた。体重減少中の個体を援助するために、薬学介入、食餌介入、又は外科的介入を含めた、多くの食餌補助剤及び治療が提案されてきた。
正常なヒトでは、グリコーゲンの同化作用及び異化作用は、通常、協調され、制御されている。グリコーゲンの蓄積は、インスリンによって促進され、一方、グリコーゲンの加水分解及びグルコースへの転換は、アドレナリン(特に筋肉)及びグルカゴン(特に肝臓)によって促進される。
I型(フォンギルケ病)では、個体は、グルコース−6−ホスファターゼ活性(図1の「h」)の欠乏を患い、したがって、グリコーゲンからグルコースを生成することができない。その結果として、その個体は、血糖を維持するために経管栄養補給する必要がある。
本発明者らは、胃中で胃内ラフト(gastric raft)を生成する組成物の摂取により、満腹を誘発する既知の方法、例えば、高繊維食品の摂取などと比較して、相当に延長された満腹感を誘発することが可能になることを、驚いたことに突き止めた。その上、満腹を誘発するためにそのような胃内ラフト組成物を用いることにより、高繊維食品及び食物サプリメントが使用される際に、個体が感じることの多い不快感を回避することができ、そのような食餌の副作用として起こり得る、任意の結腸障害の罹患率及び/又は重症度を低減することができる。
1種又は複数種のゲル形成成分
ガス発生剤、及び
1種又は複数種の加工デンプン
を含む胃内ラフト組成物であって、前記1種又は複数種の加工デンプンが、胃内ラフト組成物が胃酸と接触してラフトを形成する際に、ゲル形成剤と一体化する胃内ラフト組成物が提供される。
上述したように、本発明者らは、胃内ラフト組成物を用いて、満腹を誘発すること及び維持すること/胃からの栄養素及び薬剤の放出を制御することの新規な手段を突き止めた。上述したように、胃内ラフト組成物により、満腹感の延長が可能になる(及び栄養素放出を遅延させる)という発見は、例えば、肥満の治療における、食餌法において、これらの組成物を特に有用にする。そのような組成物の使用は、従来の治療に対して、多数の優位点を有する。
上述したように、本発明者らは、胃内ラフト組成物は、満腹誘発効果を提供するために用いることができ、したがって、肥満の治療に用いることができることを示した。
上述したように、本発明者らは、ラフト組成物の完全性は、ラフトの構成成分として、加工デンプン及び/又はデンプン誘導体を組み入れることによって改善することができることを驚いたことに示した。
デンプンは、酸及び酵素(アミラーゼ及びアミログルコシダーゼ)で処理することによって、可溶化することができる。市販のマルトデキストリン(以下の)は、最大DP20までとして通常定義され、これを超えると、それらはグルコースシロップとして定義される。
デンプンが加水分解される場合(典型的には、酸で化学的に、又はα−アミラーゼ及びアミログルコシダーゼで酵素的に)、「デキストリン」と呼ばれる、より小さい分子が生成される。生成物は、最小の可能な単糖のグルコースと同じぐらい小さくなるか、又はわずかに加水分解される場合があるが、依然としてオリゴ/高分子である。グルコースシロップは、デンプンの加水分解から作製され、転換の性質及び程度に応じて様々な割合の糖及びデキストリンを含有する。
上述し、以下の実施例において示すように、本発明者らは、熱水で処理されたデンプンを用いると、特に良好な結果が得られることを見出した。
熱及び水分処理されたデンプンは、典型的には、湿ったデンプン(例えば、15〜30%の水分)を、例えば、95℃から130℃の温度に、最大30時間(典型的には16〜24)の期間曝すことによって生成される。これらの範囲により、他の湿熱条件(profile)は除外されない。例えば、本発明において用いるためのHMTデンプンは、密封された容器内で、以下の条件、即ち、20%の水分及び105℃で16時間の下で、デンプンを熱処理することによって生成することができる。次いで、処理されたデンプンは、室温に冷却し、空気乾燥し、次いで300μmの篩を通過させることができる。
・ゼラチン化温度の増加
・水吸収及び膨潤能力の低減
・X線回折パターンの変化
・酵素感受性の増大
である。
「治療」は、脈略により他に要求されない限り、「療法」と互換的に用いられるが、ヒト又は非ヒト動物を利することのできる任意の方法を含む。治療は、既存の病状についてであってもよく、又は予防的(prophylactic)(予防的(preventative)治療)であってもよい。治療は、治癒的、軽減又は予防的効果を含むことができる。
本発明の胃内ラフト組成物及び本発明における使用のための胃内ラフト組成物は、典型的には、栄養/臨床栄養又は医薬組成物として提供されることになり、これは、経口投与に適した、適当な医薬賦形剤、希釈剤、又は担体を一般に含む。
液体版のアルギン酸を、以下のように作製した。
0.7g又は0.5gのアルギン酸ナトリウム(Manugel LBA、International Specialty Products、Koln)、0.2gの炭酸カルシウム(12467、Acros Organics、Geel)、及び0.25gの炭酸水素ナトリウム(144−55−8、Aldrich、Gillingham)の試料を、10mlの蒸留水中に溶解させた。いくらかの液体に加えて、香味料及び/又は着色剤を加えた。
液体版の低メチルペクチンを、以下のように作製した。
0.7g又は0.5gの低メチルペクチン(LM−104、CP Kelco、Lille/Svensked)、0.2gの炭酸カルシウム(12467、Acros Organics、Geel)及び0.25gの炭酸水素ナトリウム(144−55−8、Aldrich、Gillingham)の試料を、10mlの蒸留水中に溶解させた。いくらかの液体に加えて、香味料及び/又は着色剤を加えた。
0.5gのアルギン酸ナトリウム(Manugel LBA、International Specialty Products、Koln)、0.2gのα化デンプン(NSG4、National Starch and Chemical、Manchester)、0.2gの炭酸カルシウム(12467、Acros Organics、Geel)及び0.25gの炭酸水素ナトリウム(144−55−8、Aldrich、Gillingham)の試料を、10mlの蒸留水中に溶解させた。いくらかの液体に加えて、香味料及び/又は着色剤を加えた。
0.5gのアルギン酸ナトリウム(Manugel LBA、International Specialty Products、Koln)、0.2gのデキストリン(Crystal Tex 626、National Starch and Chemical、Manchester)、0.2gの炭酸カルシウム(12467、Acros Organics、Geel)及び0.25gの炭酸水素ナトリウム(144−55−8、Aldrich、Gillingham)の試料を、10mlの蒸留水中に溶解させた。いくらかの液体に加えて、香味料及び/又は着色剤を加えた。
0.5gの低メチルペクチン(LM−104、CP Kelco、Lille Svensked)、0.2gのα化デンプン(NSG4、National Starch and Chemical、Manchester)、0.2gの炭酸カルシウム(12467、Acros Organics、Geel)及び0.25gの炭酸水素ナトリウム(144−55−8、Aldrich、Gillingham)の試料を、10mlの蒸留水中に溶解させた。いくらかの液体に加えて、香味料及び/又は着色剤を加えた。
0.5gの低メチルペクチン(LM−104、CP Kelco、Lille Svensked)、0.2gのデキストリン(Crystal Tex 626、National Starch and Chemical、Manchester)、0.2gの炭酸カルシウム(12467、Acros Organics、Geel)及び0.25gの炭酸水素ナトリウム(144−55−8、Aldrich、Gillingham)の試料を、10mlの蒸留水中に溶解させた。いくらかの液体に加えて、香味料及び/又は着色剤を加えた。
500mg/700mgのアルギン酸ナトリウム(Manugel LBA、International Specialty Products、Koln)、200mgの炭酸カルシウム(12467、Acros Organics、Geel)及び250mgの炭酸水素ナトリウム(144−55−8、Aldrich、Gillingham)の試料を一緒にブレンドし、適切に所定の大きさにした試料を、ゼラチンカプセル又はHPMCカプセル中に充填した。いくらかのブレンドに加えて、香味料及び/又は色を加えた。
500mgのアルギン酸ナトリウム(Manugel LBA、International Specialty Products、Koln)、200mgのα化デンプン(NSG4、National Starch and Chemical、Manchester)又はデキストリン(Crystal Tex 626、National Starch and Chemical、Manchester)、200mgの炭酸カルシウム(12467、Acros Organics、Geel)及び250mgの炭酸水素ナトリウム(144−55−8、Aldrich、Gillingham)の試料を一緒にブレンドし、適切に所定の大きさにした試料を、ゼラチンカプセル又はHPMCカプセル中に充填した。いくらかのブレンドに加えて、香味料及び/又は色を加えた。
ラフトの機械的特性
ラフトの以下の組成物(液体)、即ち、アルギン酸ナトリウム(Manugel LBA、International Specialty Products、Koln)、ペクチン(LM−104、CP Kelco、Lille/Skensved)、アルギネート−α化デンプン(NSG4、National Starch and Chemical、Manchester)、アルギネート−デキストリン(Crystal Tex 626、National Starch and Chemical、Manchester)、ペクチン−α化デンプン又はペクチン−デキストリンラフトを調合した。この組成物から生成されるラフトの機械的特性をin vitroで試験し、ここで、室温で、100mlのネジ付フラスコ中の20mlの1M HCl上に、液体組成物(ラフト)を注いだ。結果を表2に要約する。
Di Lorenzo, C., Williams, C. M., Hajnal, F. and Valenzuela, J. E. (1988) Pectin delays gastric emptying and increases satiety in obese subjects. Gastroenterology 95, 1211−1215.
Foldager, J., Toftkjaer, H. and Kjoernaes, K. (1993) DK22993.
http: //www.gaviscon.com
Hoad et al, Journal of Nutrition 134, 2293−2300.
Jorgen et al (1988) EP0286085.
Mandel et al, Alimentary Pharmacology and Therapeutics 14, 669−690.
Tiwary et al Journal of American College of Nutrition 16, 423−428.
Torsdottir et al (1991) Journal of Nutrition 121, 795−799.
Claims (9)
- アルギネート、ペクチン、キサンタンガム及びこれらの混合物からなる群より選択される1種又は複数種のゲル形成成分、
ガス発生剤及び
前記ゲル形成成分の11.1〜40質量%の範囲内の量で存在するデキストリン
を含む、胃内ラフト組成物であって、胃内ラフト組成物が胃酸と接触してラフトを形成する際に、前記デキストリンがゲル形成成分と一体化する、胃内ラフト組成物。 - 前記ゲル形成成分は、ペクチンである、請求項1に記載の胃内ラフト組成物。
- 前記ペクチンは、低メチルペクチンである、請求項2に記載の胃内ラフト組成物。
- 前記ゲル形成成分は、アルギネートである、請求項1に記載の胃内ラフト組成物。
- 前記アルギネートは、アルギン酸ナトリウムである、請求項4に記載の胃内ラフト組成物。
- 前記ゲル形成成分は、キサンタンガムである、請求項1に記載の胃内ラフト組成物。
- 前記デキストリンと前記ゲル形成成分の比が、1:6である、請求項1〜6のいずれか一項に記載の組成物。
- 液体である、請求項1〜7のいずれか一項に記載の胃内ラフト組成物。
- 錠剤、粉末又はカプセルである、請求項1〜7のいずれか一項に記載の胃内ラフト組成物。
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EP3737353A1 (en) | 2017-12-18 | 2020-11-18 | Tris Pharma, Inc. | Ghb pharmaceutical compositions comprising a floating interpenetrating polymer network forming system |
US11337919B2 (en) | 2017-12-18 | 2022-05-24 | Tris Pharma, Inc. | Modified release drug powder composition comprising gastro-retentive RAFT forming systems having trigger pulse drug release |
US11337920B2 (en) | 2017-12-18 | 2022-05-24 | Tris Pharma, Inc. | Pharmaceutical composition comprising GHB gastro-retentive raft forming systems having trigger pulse drug release |
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