JP2022545904A - 心不全治療におけるアンジオテンシンii受容体アンタゴニスト代謝産物とnep阻害剤との複合体の使用 - Google Patents
心不全治療におけるアンジオテンシンii受容体アンタゴニスト代謝産物とnep阻害剤との複合体の使用 Download PDFInfo
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- ahu377
- exp3174
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
-
- 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
- A61K31/4178—1,3-Diazoles not condensed 1,3-diazoles and containing further heterocyclic rings, e.g. pilocarpine, nitrofurantoin
-
- 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
-
- 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
- A61K31/4188—1,3-Diazoles condensed with other heterocyclic ring systems, e.g. biotin, sorbinil
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/04—Inotropic agents, i.e. stimulants of cardiac contraction; Drugs for heart failure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2300/00—Mixtures or combinations of active ingredients, wherein at least one active ingredient is fully defined in groups A61K31/00 - A61K41/00
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- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Emergency Medicine (AREA)
- Hospice & Palliative Care (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Medicinal Preparation (AREA)
Abstract
Description
(EXP3174・AHU377)・1.5Ca・nH2O、又は
(EXP3174・AHU377)・2Ca・nH2O
〔式中、nは、1~3の任意の数値である。〕
である。
(EXP3174・AHU377)1.5Ca・1H2O、
(EXP3174・AHU377)1.5Ca・1.5H2O、
(EXP3174・AHU377)1.5Ca・2H2O、
(EXP3174・AHU377)1.5Ca・2.5H2O、
(EXP3174・AHU377)1.5Ca・3H2O、
(EXP3174・AHU377)・2Ca・1H2O、
(EXP3174・AHU377)・2Ca・1.5H2O、
(EXP3174・AHU377)2Ca・2H2O、
(EXP3174・AHU377)2Ca・2.5H2O、
(EXP3174・AHU377)2Ca・3H2O
から選ばれる。
1.本発明によれば、アリサルタンイソプロキシル代謝産物(EXP3174)とエンケファリナーゼ阻害剤(AHU377)との二重作用を有する一連の超分子錯体(複合体)の駆出率が低下した心不全用医薬における使用が提供され、LZ696の使用に対して同じ用量で明らかにより良い効果を有する。
2.本発明の複合体は、駆出率が低下した犬モデルにおける効果が、駆出率が保持された犬モデルにおける効果よりも優れていることから、本発明の医薬組成物は、駆出率が低下した心不全に対して特異的な選択性を有し、従来技術に基づいて予測することが困難であることがわかる。
3.本発明の複合体は、EXP3174+AHU377物理的混合物に対してより良い効果を有し、複合体の使用が医薬の物理的組み合わせの使用に対して明らかな利点を有することを十分に示している。
X線粉末回折は、鋭影(Empyrean)X線回折装置を使用して検出され、検出条件は、CuターゲットKα線、電圧40KV、電流40mA、発光スリット1/32°、散乱防止スリット1/16°、散乱防止スリット7.5mm、2θ範囲:3°-60°、ステップ幅0.02°、ステップあたりの滞留時間40秒である。
示差走査熱量測定スペクトルは、ドイツNETZSCH社のDSC204F1示差走査熱量装置を使用して検出され、検出条件は、雰囲気:N2、20mL/分、走査プログラム:室温から10℃/分で250℃まで昇温し、昇温曲線を記録することである。
水分含有量は、ドイツNETZSCH社のTG209熱重量分析装置を使用して検出され、検出条件は、雰囲気:N2、20mL/分、走査プログラム:室温-700℃、昇温速度:10℃/分である。
実施例に用いられるEXP3174は、純度98.3%の自社製である。
実施例に用いられるAHU377カルシウム塩は、純度99.4%の自社製である。
AHU377遊離酸の調製
2.1gのAHU377カルシウム塩、40mLの酢酸イソプロピルを250mLの単口フラスコに加え、室温で2mol/Lの塩酸4.5mLを加え、攪拌して溶解する。分液し、有機層を回収し、20mLの水で有機層を2回洗浄し、35℃で減圧により沈殿させることで、AHU377遊離酸が得られる。
犬の慢性心不全モデルにおける複合体の薬効研究-駆出率の低下
4.1 方法:動物が施設に到着した後、適応飼育、心エコー図検査及び心電検査の後にランダムに群分けしてから試験を開始する。手術当日、シュタイ(5mg/kg)の筋肉内注射により動物を麻酔し、麻酔した犬の気管を人工呼吸器に接続し、仰臥位に固定し、第3と第4肋骨の間で胸を開き、冠動脈左前下行枝を結紮して胸腔を閉じ、皮膚を縫合する。動物が術後3日間回復した後、胃内注入により4週間連続で1日1回、治療薬を投与する。実験中、動物の生活状態を毎日観察し、異常な状態を記録する。42日間投薬した後、心エコー図検査を行う。
犬の慢性心不全モデルにおける複合体の薬効研究-駆出率の保持
5.1 方法:動物が施設に到着した後、適応飼育、心エコー図検査及び心電検査の後にランダムに群分けしてから試験を開始する。手術当日、シュタイ(5mg/kg)の筋肉内注射により動物を麻酔し、麻酔した犬の気管を人工呼吸器に接続し、仰臥位に固定し、第3と第4肋骨の間で胸を開き、冠動脈左前下行枝を結紮して胸腔を閉じ、皮膚を縫合する。動物が術後3日間回復した後、胃内注入により二週間連続で1日1回、治療薬を投与する。実験中、動物の生活状態を毎日観察し、異常な状態を記録する。14日間投薬した後、心エコー図検査を行う。
Claims (10)
- 駆出率が低下した心不全用医薬の調製における、アンジオテンシンII受容体アンタゴニスト代謝産物とNEP阻害剤との複合体の使用であって、
前記複合体の構造単位は、
(aEXP3174・bAHU377)・xCa・nA
〔式中、a:b=1:0.25~4であり、xは、0.5~3の数値であり、Aは、水、メタノール、エタノール、2-プロパノール、アセトン、酢酸エチル、メチル-tert-ブチルエーテル、アセトニトリル、トルエン、ジクロロメタンを指し、nは、0~3の数値である。〕
である使用。 - 前記医薬の単回投与形態は、60mgから500mgの前記複合体を含有することを特徴とする請求項1に記載の使用。
- 前記医薬の単回投与形態は、60、120、180、240、300、360、420、480mgの前記複合体を含有することを特徴とする請求項1に記載の使用。
- 前記医薬は、経口投与に適した固形製剤であり、好ましくは経口錠剤又はカプセルであることを特徴とする請求項1に記載の使用。
- a:bの値は、1:0.25、1:0.5、1:1、1:1.5、1:2、1:2.5、1:3、1:3、1:3.5、1:4から選ばれることを特徴とする請求項1~4のいずれか1項に記載の使用。
- xは、0.5、1、1.5、2から選ばれることを特徴とする請求項1~6のいずれか1項に記載の使用。
- 前記複合体の構成単位は、
(EXP3174・AHU377)・1.5Ca・nH2O、又は
(EXP3174・AHU377)・2Ca・nH2Oであり、
〔式中、nは、1~3の任意の数値である。〕
であることを特徴とする請求項1~7のいずれか1項に記載の使用。 - nは、0.5、1、1.5、2、2.5、3から選ばれることを特徴とする請求項1~8のいずれか1項に記載の使用。
- 前記複合体は、
(EXP3174・AHU377)1.5Ca・1H2O、
(EXP3174・AHU377)1.5Ca・1.5H2O、
(EXP3174・AHU377)1.5Ca・2H2O、
(EXP3174・AHU377)1.5Ca・2.5H2O、
(EXP3174・AHU377)1.5Ca・3H2O、
(EXP3174・AHU377)・2Ca・1H2O、
(EXP3174・AHU377)・2Ca・1.5H2O、
(EXP3174・AHU377)2Ca・2H2O、
(EXP3174・AHU377)2Ca・2.5H2O、
(EXP3174・AHU377)2Ca・3H2O
から選ばれることを特徴とする請求項1~9のいずれか1項に記載の使用。
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