JP2009108044A - Pharmaceutical composition comprising azelastines and antiphlogistic enzyme agent - Google Patents

Pharmaceutical composition comprising azelastines and antiphlogistic enzyme agent Download PDF

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JP2009108044A
JP2009108044A JP2008259422A JP2008259422A JP2009108044A JP 2009108044 A JP2009108044 A JP 2009108044A JP 2008259422 A JP2008259422 A JP 2008259422A JP 2008259422 A JP2008259422 A JP 2008259422A JP 2009108044 A JP2009108044 A JP 2009108044A
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pharmaceutical composition
azelastine
goblet cell
cell hyperplasia
airway
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Yasuhiro Torizumi
保博 鳥住
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Daiichi Sankyo Healthcare Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a goblet cell hyperplasia inhibitor. <P>SOLUTION: It has been found that use of azelastine together with an antiphlogistic enzyme agent develops an excellent inhibitory action on airway goblet cell hyperplasia. The airway goblet cell hyperplasia inhibitor comprising an azelastine and an antiphlogistic enzyme agent remarkably inhibits goblet cell hyperplasia and in its turn, is useful for having an excellent antiussive action. The pharmaceutical composition is useful for treating or preventing symptoms of generally considered common colds, etc., preferably useful for treating or preventing symptoms of acute or chronic bronchitis, more preferably useful for treating or preventing symptoms of acute bronchitis etc., in acute respiratory tract infection patients or symptoms of acute bronchitis in patients having chronic respiratory tract diseases such as COPD, bronchiectasis, bronchial asthma, pulmonary tuberculosis, pneumoconiosis, pulmonary emphysema, diffuse bronchitis etc. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、気道の杯細胞過形成を抑制するための医薬組成物に関する。   The present invention relates to a pharmaceutical composition for inhibiting goblet cell hyperplasia of the airways.

正常な気道の表面の多くは線毛上皮細胞で被われており、その中に気道粘液を産生する杯細胞が散在し、気道分泌液と線毛との協調作用により異物を排除している。しかし、気道分泌が亢進すると、気道内にそれらが貯留して細菌増殖の温床となるため、気道感染を反復したり気道閉塞をきたしたりすることが知られている。また、喫煙、種々の大気汚染物質又はアレルゲンの吸入、気道感染等で、気道分泌亢進のみならず杯細胞の過形成等が惹起され、これが長引くと急性呼吸器疾患から慢性難治性呼吸器疾患へ移行してしまう恐れがある(以上、例えば、非特許文献1参照)。このような悪循環を防ぐためには、急性期における通常の去痰剤による治療のみならず杯細胞過形成を抑制するための対処も併せて必要である。   Many of the normal airway surfaces are covered with ciliated epithelial cells, interspersed with goblet cells that produce airway mucus, and exclude foreign substances by the cooperative action of airway secretions and cilia. However, it is known that when airway secretion increases, they accumulate in the airway and become a hotbed for bacterial growth, thus causing repeated airway infection and airway obstruction. In addition, cigarette smoking, inhalation of various air pollutants or allergens, respiratory tract infections, etc. cause not only increased airway secretion but also hyperplasia of goblet cells, etc., and if this persists, from acute respiratory disease to chronic intractable respiratory disease There is a risk of migration (see, for example, Non-Patent Document 1). In order to prevent such a vicious cycle, not only treatment with a normal expectorant in the acute phase but also measures for suppressing goblet cell hyperplasia are necessary.

抗ヒスタミン剤の1種であるアゼラスチン塩酸塩は、医療用薬として気管支喘息、アレルギー性鼻炎、蕁麻疹、湿疹・皮膚炎、アトピー性皮膚炎、皮膚掻痒症等の効能・効果を有することが知られている(例えば、非特許文献2参照)。さらに、アゼラスチン塩酸塩は内服アレルギー用薬として、鼻のアレルギー症状の緩和及び蕁麻疹・湿疹・かぶれによる症状の緩和の効能で、いわゆるスイッチOTC薬として承認され、一般用医薬品として販売されるようになってきた。しかし、医療用薬および一般用薬いずれも、感冒薬として処方又は利用されることは承認効能の面から、現状では考え難いものがある。   Azelastine hydrochloride, one of the antihistamines, is known to have efficacy and effects as medical drugs such as bronchial asthma, allergic rhinitis, hives, eczema / dermatitis, atopic dermatitis, skin pruritus, etc. (For example, refer nonpatent literature 2). In addition, azelastine hydrochloride is approved as a so-called switch OTC drug and is marketed as an over-the-counter drug because it is an allergic drug for internal use, alleviating symptoms of nasal allergies and symptom due to urticaria, eczema and rash. It has become. However, it is difficult to think about the prescription or use of both medical drugs and general drugs as a cold medicine from the viewpoint of the approved efficacy.

消炎酵素剤は、粘稠な喀痰の粘性を下げて排出を容易にさせる去痰作用、線毛運動の増加作用、抗炎症作用等が一般的に知られており(例えば、非特許文献2参照)、一般用医薬品においても総合感冒薬、鎮咳去痰薬、鼻炎用内服薬に配合されることがある(例えば、非特許文献3参照)。   Anti-inflammatory enzyme agents are generally known to have an expectorant action, an action of increasing ciliary movement, an anti-inflammatory action, etc. that lowers the viscosity of a viscous wrinkle and facilitates discharge (for example, see Non-patent Document 2). In addition, over-the-counter drugs may be incorporated into general cold medicines, antitussive expectorants, and oral rhinitis drugs (see Non-patent Document 3, for example).

本発明に関連したものとして、
A)コデイン類、ブロムヘキシン、アンブロキソール、デキストロメトルファン、ノスカピンからなる群から選ばれる1種又は2種以上、
B)リゾチーム、ブロメライン、セラチオペプチダーゼ、セミアルカリプロティナーゼからなる群から選ばれる1種又は2種以上、
C)メキタジン、アステミゾール、カルビノキサミン、クロルフェニラミン、クレマスチンからなる群から選ばれる1種又は2種以上、及び、
D)アンレキサノクス、イブジラスト、アゼラスチン、エピナスチン、テルフェナジン、ケトチフェン、ペミロラスト、レピリナストからなる群から選ばれる1種又は2種以上、
からなる成分に、
E)ステビアを配合すると、不快味がマスキングされて服用しやすくなる感冒剤組成物が得られることが開示されている(特許文献1参照)。
In connection with the present invention,
A) One or more selected from the group consisting of codeines, bromhexine, ambroxol, dextromethorphan, and noscapine,
B) One or more selected from the group consisting of lysozyme, bromelain, serratiopeptidase, semi-alkaline proteinase,
C) one or more selected from the group consisting of mequitazine, astemizole, carbinoxamine, chlorpheniramine, clemastine, and
D) One or more selected from the group consisting of amlexanox, ibudilast, azelastine, epinastine, terfenadine, ketotifen, pemirolast, and repirinast,
Ingredients consisting of
E) It is disclosed that a cold remedy composition that masks unpleasant taste and is easy to take when compounded with stevia (see Patent Document 1).

しかし、これがアゼラスチンと消炎酵素剤との組合せを特定する記載はない。さらに、アゼラスチンや消炎酵素剤の各単剤に気道杯細胞過形成抑制作用に関する記載は全くなく、もちろん、アゼラスチンと消炎酵素剤の併用による気道杯細胞過形成抑制作用についても知られていない。
医薬ジャーナル、2002年、第38巻、第12号、p121−126 日本医薬品集 医療薬 2008年版、じほう、2007 日本医薬品集 一般薬 2008−9年版、じほう、2007 特開平9−52849号公報
However, there is no description that specifies the combination of azelastine and an anti-inflammatory enzyme. Furthermore, there is no description of airway goblet cell hyperplasia inhibitory action in each single agent of azelastine or anti-inflammatory enzyme, and of course, the airway goblet cell hyperplasia inhibitory action by the combined use of azelastine and anti-inflammatory enzyme is not known.
Pharmaceutical Journal, 2002, Vol. 38, No. 12, p121-126 Japan Pharmaceutical Collection Medical Drugs 2008 Edition, Jiho, 2007 Japan Pharmaceutical Collection General Medicine 2008-9 edition, Jiho, 2007 JP-A-9-52849

優れた気道杯細胞過形成抑制剤を見出すことが本発明の課題である。これまでに、当該分野における研究は十分になされてきたとはいえず、本発明の成果により、新規な予防又は治療効果を有する医薬組成物が提供できるものと考えられる。特に本発明は、呼吸器疾患等の予防又は治療、更には感冒等の予防又は治療に役立つと考えられる。   It is an object of the present invention to find an excellent airway goblet cell hyperplasia inhibitor. Until now, research in this field has not been sufficiently conducted, and it is considered that a pharmaceutical composition having a novel preventive or therapeutic effect can be provided by the results of the present invention. In particular, the present invention is considered to be useful for the prevention or treatment of respiratory diseases and the like, and further the prevention or treatment of colds and the like.

本発明者は、気道杯細胞過形成抑制剤について長年にわたり鋭意研究を行っているが、今回の研究では、いずれも気道杯細胞に対する作用は知られていないアゼラスチンと消炎酵素剤について調べた。その結果、アゼラスチンと消炎酵素剤の併用により、優れた気道の杯細胞過形成抑制作用が発現することを見出し、本発明を完成するに至った。   The present inventor has conducted extensive research on airway goblet cell hyperplasia inhibitors for many years. In this study, azelastine and an anti-inflammatory enzyme agent, both of which have no known effect on airway goblet cells, were investigated. As a result, it has been found that the combined use of azelastine and an anti-inflammatory enzyme exhibits an excellent airway goblet cell hyperplasia inhibitory effect, thereby completing the present invention.

すなわち本発明は、(1)アゼラスチン類と消炎酵素剤とからなる気道杯細胞過形成抑制剤であり、好適には、
(2)(1)に記載の気道杯細胞過形成抑制剤を含有する医薬組成物、
(3)鎮咳のための(2)に記載の医薬組成物、
(4)アゼラスチン類が、アゼラスチン塩酸塩である(2)〜(3)から選ばれるいずれか1項に記載の医薬組成物、
(5)消炎酵素剤が、セミアルカリプロティナーゼ、セラペプターゼ、プロナーゼ、ブロメライン、リゾチーム塩酸塩からなる群より選ばれる1種以上である(2)〜(4)から選ばれるいずれか1項に記載の医薬組成物、
(6)消炎酵素剤がセラペプターゼ又はリゾチーム塩酸塩である(2)〜(4)から選ばれるいずれか1項に記載の医薬組成物、
(7)感冒剤として用いるための(2)〜(6)から選ばれるいずれか1項に記載の医薬組成物、
(8)急性又は慢性気管支炎の治療に用いるための(2)〜(6)から選ばれるいずれか1項に記載の医薬組成物及び
(9)慢性気道疾患における急性呼吸器感染時の症状の治療に用いるための(2)〜(6)から選ばれるいずれか1項に記載の医薬組成物である。
That is, the present invention is (1) an airway goblet cell hyperplasia inhibitor comprising azelastine and an anti-inflammatory enzyme,
(2) A pharmaceutical composition comprising the airway goblet cell hyperplasia inhibitor according to (1),
(3) The pharmaceutical composition according to (2) for antitussive,
(4) The pharmaceutical composition according to any one of (2) to (3), wherein the azelastine is azelastine hydrochloride,
(5) The medicament according to any one of (2) to (4), wherein the anti-inflammatory enzyme is one or more selected from the group consisting of semi-alkaline proteinase, serrapeptase, pronase, bromelain, and lysozyme hydrochloride. Composition,
(6) The pharmaceutical composition according to any one of (2) to (4), wherein the anti-inflammatory enzyme is serrapeptase or lysozyme hydrochloride,
(7) The pharmaceutical composition according to any one of (2) to (6), which is used as a cold medicine,
(8) The pharmaceutical composition according to any one of (2) to (6) for use in the treatment of acute or chronic bronchitis and (9) the symptoms of acute respiratory infection in chronic airway disease The pharmaceutical composition according to any one of (2) to (6), which is used for treatment.

本発明の「アゼラスチン類」とは、アゼラスチン又はその薬理上許容される塩であり、好適には、アゼラスチン塩酸塩である。   The “azelastine” of the present invention is azelastine or a pharmacologically acceptable salt thereof, and preferably azelastine hydrochloride.

本発明の「消炎酵素剤」とは、セミアルカリプロティナーゼ、セラペプターゼ、プロナーゼ、ブロメライン、リゾチーム及びそれらの薬理上許容される塩であるが、好適には、セラペプターゼ又はリゾチーム塩酸塩である。   The “anti-inflammatory enzyme” of the present invention is semi-alkaline proteinase, serrapeptase, pronase, bromelain, lysozyme and pharmacologically acceptable salts thereof, preferably serrapeptase or lysozyme hydrochloride.

本発明の「慢性気道疾患」とは、例えば、慢性閉塞性肺疾患(COPD)、気管支拡張症、気管支喘息、肺結核、塵肺症、肺気腫、びまん性汎気管支炎等が挙げられる。   Examples of the “chronic airway disease” of the present invention include chronic obstructive pulmonary disease (COPD), bronchiectasis, bronchial asthma, pulmonary tuberculosis, pneumoconiosis, emphysema, diffuse panbronchitis and the like.

本発明における、「治療する」とは、病気又は症状を治癒させること又は改善させること或いは症状を抑制させることを意味する。   In the present invention, “treat” means to cure or ameliorate a disease or symptom or to suppress a symptom.

本発明のアゼラスチンと消炎酵素剤とからなる気道杯細胞過形成抑制剤は、杯細胞の過形成を顕著に抑制し、ひいては優れた鎮咳作用を有することから有用である。   The airway goblet cell hyperplasia inhibitor comprising azelastine and an anti-inflammatory enzyme of the present invention is useful because it significantly suppresses goblet cell hyperplasia, and thus has an excellent antitussive effect.

また、本発明の医薬組成物は、一般に考えられる感冒等の症状の治療又は予防に有用であるが、好適には、急性又は慢性気管支炎等の症状の治療又は予防に有用であり、更に好適には、急性呼吸器感染症患者における急性気管支炎等の症状又はCOPD、気管支拡張症、気管支喘息、肺結核、塵肺症、肺気腫、びまん性汎気管支炎等の慢性気道疾患を有する患者における急性気管支炎等の症状の治療又は予防にも有用である。   The pharmaceutical composition of the present invention is useful for the treatment or prevention of symptoms such as common cold, but is preferably useful for the treatment or prevention of symptoms such as acute or chronic bronchitis. Include acute bronchitis in patients with acute respiratory infections or chronic bronchitis such as COPD, bronchiectasis, bronchial asthma, pulmonary tuberculosis, pneumoconiosis, emphysema, diffuse panbronchitis, etc. It is also useful for the treatment or prevention of such symptoms.

本発明に用いられるアゼラスチン及び消炎酵素剤は、公知の方法によって容易に合成可能であり、また市販品を購入することによっても入手可能である。   The azelastine and anti-inflammatory enzyme agent used in the present invention can be easily synthesized by a known method, and can also be obtained by purchasing a commercial product.

アゼラスチン塩酸塩は医薬品として市販されており容易に入手できる(例えば、(株)三洋化学研究所から購入できる)。   Azelastine hydrochloride is commercially available as a pharmaceutical and can be easily obtained (for example, it can be purchased from Sanyo Chemical Laboratories).

セラペプターゼ、リゾチーム塩酸塩は第15改正日本薬局方に収載されている。セミアルカリプロティナーゼ、ブロメラインは日本薬局方外医薬品規格2002に収載されている。プロナーゼも医薬品として市販されているため入手可能である。   Serrapeptase and lysozyme hydrochloride are listed in the 15th revision Japanese Pharmacopoeia. Semi-alkaline proteinase and bromelain are listed in Japanese Pharmacopoeia Standard 2002. Pronase is also available because it is commercially available as a pharmaceutical product.

アゼラスチンの1回投与量は、適応症や年齢により異なるが、通常、0.2mg〜10mgであり、これを1日に、1〜3回投与する。   The single dose of azelastine varies depending on the indication and age, but is usually 0.2 mg to 10 mg, and this is administered 1 to 3 times a day.

固形製剤の場合において、アゼラスチンの含有量は、通常、0.1mg〜20mgであり、好適には、0.5mg〜4mgである。   In the case of a solid preparation, the content of azelastine is usually 0.1 mg to 20 mg, and preferably 0.5 mg to 4 mg.

消炎酵素剤の含有量は、通常、1mg〜600mgであり、好適には、5mg〜400mgである。   The content of the anti-inflammatory enzyme is usually 1 mg to 600 mg, preferably 5 mg to 400 mg.

液剤の場合において、アゼラスチンの含有量は通常、0.05mg/mL〜4mg/mLであり、好適には、0.1mg/mL〜2mg/mLである。   In the case of a liquid preparation, the content of azelastine is usually 0.05 mg / mL to 4 mg / mL, and preferably 0.1 mg / mL to 2 mg / mL.

消炎酵素剤の含有量は、通常、0.1mg/mL〜600mg/mLであり、好適には、1mg/mL〜400mg/mLである。   The content of the anti-inflammatory enzyme is usually 0.1 mg / mL to 600 mg / mL, and preferably 1 mg / mL to 400 mg / mL.

本発明においては、上記有効成分の他、必要に応じて解熱鎮痛消炎薬、鎮咳薬、去痰薬、交感神経興奮薬、中枢神経興奮薬、ビタミン類、生薬類等を本発明の効果を損なわない範囲で含有させることができる。   In the present invention, antipyretic analgesic / antitussive, antitussive, expectorant, sympathomimetic, central nervous stimulant, vitamins, herbal medicines and the like are not impaired as necessary in addition to the above active ingredients. It can be contained in a range.

これらの具体的な剤形としては、例えば、錠剤、細粒剤(顆粒剤、散剤を含む)、カプセル、液剤(シロップ剤を含む)等をあげることができ、各剤形に適した添加剤や基材を適宜使用し、日本薬局方等に記載された通常の方法に従い、製造することができる。   Specific examples of these dosage forms include tablets, fine granules (including granules and powders), capsules, liquids (including syrups) and the like, and additives suitable for each dosage form. Can be produced according to the usual methods described in the Japanese Pharmacopoeia and the like.

上記各剤形において、その剤形に応じ、通常使用される各種添加剤を使用することもできる。例えば、賦形剤、安定化剤、コーティング剤、滑沢剤、吸着剤、結合剤、崩壊剤、界面活性剤、着色剤、pH調節剤及び香料等を添加することができる。   In the above dosage forms, various commonly used additives can be used depending on the dosage form. For example, an excipient, a stabilizer, a coating agent, a lubricant, an adsorbent, a binder, a disintegrant, a surfactant, a colorant, a pH adjuster, and a fragrance can be added.

以下に、実施例及び試験例を示し、本発明をさらに詳細に説明するが、本発明の範囲はこれらに限定されるものではない。   Hereinafter, the present invention will be described in more detail with reference to Examples and Test Examples, but the scope of the present invention is not limited thereto.

(実施例1)錠剤
(1)成分
(表1)
1錠中 (mg) (mg)
−−−−−−−−−−−−−−−−−−−−−−−−−−−
アゼラスチン塩酸塩 2 2
セミアルカリプロティナーゼ 15 −
又はセラペプターゼ
リゾチーム塩酸塩 − 60
乳糖 70 70
ステアリン酸マグネシウム 8 8
ヒドロキシプロピルセルロース 25 25
トウモロコシデンプン 適量 適量
−−−−−−−−−−−−−−−−−−−−−−−−−−−
(2)製法
上記成分及び分量をとり、日局製剤総則「錠剤」の項に準じて錠剤を製造する。
(Example 1) Tablet (1) Component (Table 1)
In 1 tablet (mg) (mg)
--------------------------
Azelastine hydrochloride 2 2
Semi-alkaline proteinase 15 −
Or serrapeptase lysozyme hydrochloride-60
Lactose 70 70
Magnesium stearate 8 8
Hydroxypropylcellulose 25 25
Corn starch Appropriate amount Appropriate amount --------------------------
(2) Manufacturing method Take the above ingredients and the amount, and manufacture tablets according to the section of “General Tablets” “Tablet”.

(実施例2)顆粒剤
(1)成分
(表2)
1包中 (mg) (mg)
−−−−−−−−−−−−−−−−−−−−−−−−−−−
アゼラスチン塩酸塩 2 2
セミアルカリプロティナーゼ 15 −
又はセラペプターゼ
リゾチーム塩酸塩 − 60
乳糖 300 300
ポリビニルピロリドン 25 25
トウモロコシデンプン 適量 適量
−−−−−−−−−−−−−−−−−−−−−−−−−−−
(2)製法
上記成分及び分量をとり、日局製剤総則「顆粒剤」の項に準じて細粒剤を製造する。
(Example 2) Granules (1) Ingredients (Table 2)
In 1 package (mg) (mg)
--------------------------
Azelastine hydrochloride 2 2
Semi-alkaline proteinase 15 −
Or serrapeptase lysozyme hydrochloride-60
Lactose 300 300
Polyvinylpyrrolidone 25 25
Corn starch Suitable amount Suitable amount ---------------------------
(2) Production method Take the above ingredients and quantities, and produce a fine granule according to the section of the Japanese Pharmacopoeia General Rules “Granule”.

(実施例3)カプセル剤
(1)成分
(表3)
1〜2カプセル中 (mg) (mg)
−−−−−−−−−−−−−−−−−−−−−−−−−−−
アゼラスチン塩酸塩 2 2
セミアルカリプロティナーゼ 15 −
又はセラペプターゼ
リゾチーム塩酸塩 − 60
乳糖 150 150
ポリビニルピロリドン 25 25
トウモロコシデンプン 適量 適量
−−−−−−−−−−−−−−−−−−−−−−−−−−−
(2)製法
上記成分及び分量をとり、日局製剤総則「顆粒剤」の項に準じて細粒剤を製造した後、カプセルに充てんして硬カプセル剤を製造する。
(Example 3) Capsule (1) Component (Table 3)
In 1-2 capsules (mg) (mg)
--------------------------
Azelastine hydrochloride 2 2
Semi-alkaline proteinase 15 −
Or serrapeptase lysozyme hydrochloride-60
Lactose 150 150
Polyvinylpyrrolidone 25 25
Corn starch Appropriate amount Appropriate amount --------------------------
(2) Manufacturing method After taking the above components and quantities and preparing a fine granule according to the section of the Japanese Pharmacopoeia General Rules “Granules”, it is filled into capsules to produce hard capsules.

(実施例4)シロップ剤
(1)成分
(表4)
10mL中 (mg) (mg)
−−−−−−−−−−−−−−−−−−−−−−−−−−−
アゼラスチン塩酸塩 2 2
セミアルカリプロティナーゼ 15 −
又はセラペプターゼ
リゾチーム塩酸塩 − 60
安息香酸ナトリウム 70 70
グリセリン 100 100
ポリビニルアルコール 80 80
白糖 1200 1200
精製水 残部 残部
−−−−−−−−−−−−−−−−−−−−−−−−−−−
(2)製法
上記成分及び分量をとり、日局製剤総則「シロップ剤」の項に準じてシロップ剤を製造した後、褐色ガラス瓶に充てんしてシロップ剤を製造する。
Example 4 Syrup (1) Ingredient (Table 4)
In 10 mL (mg) (mg)
--------------------------
Azelastine hydrochloride 2 2
Semi-alkaline proteinase 15 −
Or serrapeptase lysozyme hydrochloride-60
Sodium benzoate 70 70
Glycerin 100 100
Polyvinyl alcohol 80 80
Sucrose 1200 1200
Purified water remainder remainder --------------------------
(2) Manufacturing method Take the above ingredients and quantities, and manufacture a syrup according to the Japanese general formulation “Syrup” section, then fill it into a brown glass bottle to manufacture a syrup.

(試験例)杯細胞形成抑制効果試験
(1)被験物質
アゼラスチン塩酸塩は(株)三洋化学研究所製のものを、セラペプターゼは市販製剤(製品名ダーゼン顆粒、武田薬品工業製)のものを、リゾチーム塩酸塩は、Sigma社製のものを使用した。
(Test example) Goblet cell formation inhibitory effect test (1) Test substance Azelastine hydrochloride is manufactured by Sanyo Chemical Laboratories, and serrapeptase is a commercially available product (product name: Dazan granule, manufactured by Takeda Pharmaceutical Co., Ltd.) The lysozyme hydrochloride manufactured by Sigma was used.

各被験物質は投与液量が5mL/Kgになるように、試験当日に0.5%カルボキシメチルセルロース(CMC)液を加えて調製した。   Each test substance was prepared by adding a 0.5% carboxymethylcellulose (CMC) solution on the test day so that the dose amount was 5 mL / Kg.

(2)動物
F344/DuCrj雄性ラットの10週齢を日本チャールズリバー(株)から購入し、温度20〜26℃、湿度30〜70%、照明時間7時〜19時に制御されたラット飼育室内でラット用ブラケットテーパーケージに5匹ずつ入れ、飼料(マウス・ラット飼育用F−2、船橋農場製)および水フィルターを通した水道水を自由に摂取させて約1週間予備飼育した。試験開始日に肉眼で動物の健康状態を観察し良好なことを確認して体重を測定し無作為に1群7匹に群分けして用いた。
(2) Animal F344 / DuCrj male rat 10-week-old was purchased from Charles River Japan Co., Ltd., and was controlled in a rat breeding room controlled at a temperature of 20 to 26 ° C., a humidity of 30 to 70%, and a lighting time of 7:00 to 19:00. Five rats were placed in a ratchet taper cage for rats, and feed (mouse / rat breeding F-2, manufactured by Funabashi Farm) and tap water passed through a water filter were freely ingested and pre-bred for about one week. On the day of the test, the animals were observed with the naked eye to confirm their health and the body weight was measured. The animals were randomly divided into 7 groups per group.

(3)気道粘膜障害モデルの作製方法
ラットにペントバルビタール50mg/Kgを腹腔内投与して麻酔させ、仰臥位に固定し、頚部喉頭側皮膚を正中に切開して、筋肉を鈍性に分離し気管を露出させた。口腔からラット用の液体気管内投与器具を用いて、気管露出部から確認しながら気管内に挿入し、1%リポポリサッカライド(LPS)溶液を100μL投与した。直ちに、気管周囲筋肉を縫合して切開部皮膚をアロンアルファで接着させて気道粘膜障害動物を作成した。
(3) Preparation method of airway mucosal injury model Rats are anesthetized by intraperitoneal administration of pentobarbital 50 mg / Kg, fixed in the supine position, the skin of the cervical larynx is incised in the midline, and the muscles are bluntly separated. The trachea was exposed. Using a liquid endotracheal administration device for rats from the oral cavity, it was inserted into the trachea while confirming from the exposed part of the trachea, and 100 μL of 1% lipopolysaccharide (LPS) solution was administered. Immediately, the muscles around the trachea were sutured, and the skin of the incision was adhered with Aron alpha to produce an animal having an airway mucosa disorder.

(4)試験
試験開始日の午前中に被験物質(対象群にはCMC液)を経口投与した後に、上述の方法でLPS溶液を気管内投与し、その日の夕刻に再度被験物質(対象群にはCMC液)を経口投与した。2日目と3日目は1日2回(午前と夕刻)被験薬(対象群にはCMC液)を経口投与した。
(4) Test After the test substance (CMC solution for the subject group) was orally administered in the morning of the test start day, the LPS solution was intratracheally administered by the above-described method, and again in the evening of the day, the test substance (subject group was added to the subject group). Was administered orally. On the second and third days, the test drug (CMC solution in the subject group) was orally administered twice a day (morning and evening).

4日目に体重を測定した後、ペントバルビタール麻酔下で頚動脈を切断して放血安楽死させてから、喉頭蓋部より肺までの気管を採取し、生理食塩水で洗浄後、10%中性緩衝ホルマリン液に親せき浸漬し充分に固定した。   After measuring the weight on the 4th day, the carotid artery was amputated under pentobarbital anesthesia and exsanguinated, and the trachea from the epiglottis to the lungs was collected, washed with physiological saline, and 10% neutral buffered It was immersed in a formalin solution and fixed sufficiently.

充分に固定後、気管を左右主気管支分岐部より上部約10mmで横断し、さらに上方に6mm以上の長さで横断し、管状の気管を切り出し観察材料とした。   After being sufficiently fixed, the trachea was traversed at about 10 mm above the left and right main bronchial bifurcations, and further traversed at a length of 6 mm or more, and the tubular trachea was cut out and used as observation material.

常法により、管状の気管を縦断して短冊状の薄切気管標本を作製し、これをアルシアン青・PAS染色で染色後、6mm長の範囲内の杯細胞数を顕微鏡下で計測した。なお、1例について2本の短冊状気管組織標本の杯細胞合計数を計測数とした。   By a conventional method, a tubular trachea was longitudinally cut to prepare a strip-like thin cut trachea specimen, which was stained with Alcian blue / PAS stain, and then the number of goblet cells within a range of 6 mm length was measured under a microscope. In addition, the total number of goblet cells of two strip-shaped tracheal tissue specimens for one example was taken as the number of measurements.

杯細胞形成抑制率(%)を次式より求めた。   Goblet cell formation inhibition rate (%) was calculated from the following formula.

(式1)
杯細胞形成抑制率(%)=[1−B/A]×100
A:CMC投与群の杯細胞数の平均値
B:被験物質投与群の杯細胞数の平均値
(5)試験結果
得られた杯細胞形成抑制率の結果を表5に示す。なお、各値とも1群7匹の平均値である。
(Formula 1)
Goblet cell formation inhibition rate (%) = [1-B / A] × 100
A: Average value of the number of goblet cells in the CMC administration group B: Average value of the number of goblet cells in the test substance administration group (5) Test results Table 5 shows the results of the goblet cell formation inhibition rate obtained. Each value is an average value of 7 animals per group.

(表5)
被験物質(投与量:mg/Kg/回) 杯細胞形成抑制率(%)
−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
アゼラスチン塩酸塩(0.2) 8.7
セラペプターゼ(2) 8.4
アゼラスチン塩酸塩(0.2)+セラペプターゼ(2) 38.4
−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
リゾチーム塩酸塩(10) −39.4
アゼラスチン塩酸塩(0.2)+リゾチーム塩酸塩(10) 19.4
−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
表5より、アゼラスチンと消炎酵素剤を併用すると優れた気道杯細胞形成抑制効果が発現することがわかった。
(Table 5)
Test substance (dose: mg / Kg / time) Goblet cell formation inhibition rate (%)
----------------------------------
Azelastine hydrochloride (0.2) 8.7
Serrapeptase (2) 8.4
Azelastine hydrochloride (0.2) + serrapeptase (2) 38.4
----------------------------------
Lysozyme hydrochloride (10) -39.4
Azelastine hydrochloride (0.2) + lysozyme hydrochloride (10) 19.4
----------------------------------
From Table 5, it was found that when azelastine and an anti-inflammatory enzyme were used in combination, an excellent airway goblet cell formation inhibitory effect was expressed.

本発明のアゼラスチンと消炎酵素剤とからなる気道杯細胞過形成抑制剤は、杯細胞の過形成を顕著に抑制し、ひいては優れた鎮咳作用を有することから有用である。   The airway goblet cell hyperplasia inhibitor comprising azelastine and an anti-inflammatory enzyme of the present invention is useful because it significantly suppresses goblet cell hyperplasia, and thus has an excellent antitussive effect.

また、本発明の医薬組成物は、一般に考えられる感冒等の症状の治療又は予防に有用であるが、好適には、急性又は慢性気管支炎等の症状の治療又は予防に有用であり、更に好適には、急性呼吸器感染症患者における急性気管支炎等の症状又はCOPD、気管支拡張症、気管支喘息、肺結核、塵肺症、肺気腫、びまん性汎気管支炎等の慢性気道疾患を有する患者における急性気管支炎等の症状の治療又は予防にも有用である。   The pharmaceutical composition of the present invention is useful for the treatment or prevention of symptoms such as common cold, but is preferably useful for the treatment or prevention of symptoms such as acute or chronic bronchitis. Include acute bronchitis in patients with acute respiratory infections or chronic bronchitis such as COPD, bronchiectasis, bronchial asthma, pulmonary tuberculosis, pneumoconiosis, emphysema, diffuse panbronchitis, etc. It is also useful for the treatment or prevention of such symptoms.

Claims (9)

アゼラスチン類と消炎酵素剤とからなる気道杯細胞過形成抑制剤。   An airway goblet cell hyperplasia inhibitor comprising azelastine and an anti-inflammatory enzyme. 請求項1に記載の気道杯細胞過形成抑制剤を含有する医薬組成物。   A pharmaceutical composition comprising the airway goblet cell hyperplasia inhibitor according to claim 1. 鎮咳のための請求項2に記載の医薬組成物。   The pharmaceutical composition according to claim 2 for antitussive. アゼラスチン類が、アゼラスチン塩酸塩である請求項2〜3から選ばれるいずれか1項に記載の医薬組成物。   The pharmaceutical composition according to any one of claims 2 to 3, wherein the azelastine is azelastine hydrochloride. 消炎酵素剤が、セミアルカリプロティナーゼ、セラペプターゼ、プロナーゼ、ブロメライン、リゾチーム塩酸塩からなる群より選ばれる1種以上である請求項2〜4から選ばれるいずれか1項に記載の医薬組成物。   The pharmaceutical composition according to any one of claims 2 to 4, wherein the anti-inflammatory enzyme is one or more selected from the group consisting of semi-alkaline proteinase, serrapeptase, pronase, bromelain, and lysozyme hydrochloride. 消炎酵素剤がセラペプターゼ又はリゾチーム塩酸塩である請求項2〜4から選ばれるいずれか1項に記載の医薬組成物。   The pharmaceutical composition according to any one of claims 2 to 4, wherein the anti-inflammatory enzyme is serrapeptase or lysozyme hydrochloride. 感冒剤として用いるための請求項2〜6から選ばれるいずれか1項に記載の医薬組成物。   The pharmaceutical composition according to any one of claims 2 to 6, which is used as a cold medicine. 急性又は慢性気管支炎の治療に用いるための請求項2〜6から選ばれるいずれか1項に記載の医薬組成物。   The pharmaceutical composition according to any one of claims 2 to 6, for use in the treatment of acute or chronic bronchitis. 慢性気道疾患における急性呼吸器感染時の症状の治療に用いるための請求項2〜6から選ばれるいずれか1項に記載の医薬組成物。   The pharmaceutical composition according to any one of claims 2 to 6, for use in the treatment of symptoms during acute respiratory infection in chronic airway diseases.
JP2008259422A 2007-10-12 2008-10-06 Pharmaceutical composition comprising azelastines and antiphlogistic enzyme agent Pending JP2009108044A (en)

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