JP2004123655A - Antianxiety agent - Google Patents

Antianxiety agent Download PDF

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Publication number
JP2004123655A
JP2004123655A JP2002293360A JP2002293360A JP2004123655A JP 2004123655 A JP2004123655 A JP 2004123655A JP 2002293360 A JP2002293360 A JP 2002293360A JP 2002293360 A JP2002293360 A JP 2002293360A JP 2004123655 A JP2004123655 A JP 2004123655A
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Prior art keywords
conflict
anxiety
anxiolytic
effect
linalool
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JP2002293360A
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JP4517117B2 (en
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Toyoji Umetsu
梅津 豊司
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National Institute for Environmental Studies
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National Institute for Environmental Studies
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Abstract

<P>PROBLEM TO BE SOLVED: To obtain a new antianxiety agent superseding conventional antianxiety agents. <P>SOLUTION: This antianxiety, relaxing and tranquilizing agent contains linalool as an active ingredient. In another aspect, the antianxiety, relaxing and tranquilizing agent contains lavender oil. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【発明の属する技術分野】この出願発明は、不安神経症等既知の抗不安薬を必要とする精神神経疾患の治療及び日常におけるストレス軽減、緊張緩和等の、いわゆる、安らぎをもたらす薬剤に関する。
【0002】
【従来の技術】現代の我々を取り巻く急速な環境の変化は、その適応に困難を伴うことが多く、それがストレスとして心身にしばしば歪みをもたらしている。
多くの人々はうまく適応機制を駆使して解消しているが、それを行い得なかった一部の人々はノイローゼや心身症となる。
近年、精神科領域は言うに及ばず他科領域においてもそれらの患者が増加している。
その治療について、精神療法による心理学的接近とともに、薬物療法による生物学的接近も現在では非常に重要なものとなってきている。
1957年ベンゾジアゼピン系化合物であるクロルジアセポキシド及びジアゼパムが開発され、それらは抗不安薬として位置づけられた。その後抗不安薬開発は目覚ましい発展を遂げ、今や多くの有用性の高い薬物が日常臨床で広く使用されている。
しかし、今まで開発されてきたベンゾジアゼピン系抗不安薬は優れた抗不安作用を示すと同時に、鎮静、筋弛緩、催眠及びアルコールによる増強など種々の作用を持っており、それが眠気、ふらつき、注意力散漫、アルコール併用による障害等の副作用として現れ、さらに長期使用の場合には薬物中断時の身体依存に基づく退薬症候群や乱用の問題も生じてきた。
そこで従来の抗不安薬が持ついろいろな欠点を解消するために、最近では選択的に不安に作用する薬物の開発が試みられているが、ベンゾジアゼピン系抗不安薬に代わるものは未だ開発されていない。
【0003】
【発明が解決しようとする課題】現代におけるストレス過多の環境はノイローゼや心身症等抗不安薬を必要とする疾病を増加させている。
しかし、従来のベンゾジアゼピン系抗不安薬にはいろいろな短所があるという問題がある。
この出願の発明は、従来の抗不安薬に代わる新しい抗不安薬を提供することを目的とする。
【0004】
【課題を解決するための手段】この出願発明は、リナロールを有効成分とする抗不安、緊張緩和、精神安定剤、あるいは、ラベンダーの精油を有効成分とする抗不安、緊張緩和、精神安定剤に関する。
【0005】
【発明の実施の形態】この出願発明のリナロールはラベンダーの花から得られた精油に含まれる主要成分であり、つぎに示す化学構造を有している。
【化1】

Figure 2004123655
【0006】
この出願発明の薬剤は、内服薬、注射薬、貼付薬、座薬、吸入薬として使用される。
注射薬は、筋肉注射、皮内注射、皮下注射、静脈注射等によって体内に注入される。
また、貼付薬は、従来使用されている膏体に混合することにより体内に吸収させる。
座薬は、従来使用されているカカオ脂、グリセロゼラチン、ステアリン酸ナトリウム、、プロピレングリコールモノステアレート等に混合することにより体内に吸収させる。
吸入薬は、従来の方法により体内に吸収させるものであって、例えば、水蒸気あるいは空気の中にこの出願発明の成分を加えることにより鼻孔あるいは口腔より体内に吸収させる。
【0007】
この出願発明のリナロールを主成分とする抗不安、緊張緩和、精神安定剤には、ベンゾジアゼピン系化合物を併用することができる。
また、初期の患者にベンゾジアゼピン系化合物によって投与し、その後この出願発明のリナロールを主成分とする抗不安、緊張緩和、精神安定剤を投与してもよい。
【0008】
人の抗不安作用の有無を確認するための動物実験で検討する方法として、コンフリクト試験が広く用いられている。
コンフリクト試験は、さらにゲラー型とフォーゲル型の2種類がある。ゲラー型コンフリクト試験とは、実験装置内にあるレバーを押すと餌が与えられるようにしマウスにレバー押し行動を行うよう訓練した後、餌と同時に電気ショックを与えることにより葛藤(コンフリクト)状態を設定する方法である。
【0009】
充分に訓練をするとマウスは電気ショックを恐れるために、レバー押し行動を行わなくなる。
しかし、抗不安作用を有する薬物を与えると、そのマウスは電気ショックにかまわずにレバー押しを行うようになる。
薬物のこの様な作用をゲラー型コンフリクト試験における抗コンフリクト作用と呼び、人における抗不安作用を示唆している。
【0010】
フォーゲル型コンフリクト試験では、絶水を施したマウスに水を飲むと電気ショックを与えることにより葛藤(コンフリクト)状態を設定する。
抗不安作用を有する薬物を与えるとそのマウスは電気ショックにかまわずに水を飲むようになる。この様な作用をフォーゲル型コンフリクト試験における抗コンフリクト作用と呼び、人における抗不安作用を示している。
【0011】
ベンゾジアゼピン系抗不安薬の代表であるジアゼパムをマウスに体重1kg当たり0.5,1あるいは2mg/kg皮下投与すると、ゲラー型コンフリクト試験においては、警告期におけるレバー押し頻度が増加する(図1参照)。
なお、各用量について使用した動物は20匹 (N=20)である。
これが抗不安薬が特異的に有する抗不安作用を反映している、ゲラー型コンフリクト試験における抗コンフリクト作用である。
【0012】
もう一つのコンフリクト試験であるフォーゲル型コンフリクト試験においては、ジアゼパムをマウスに皮下投与して試験を実施した。体重当たり0.375, 0.5, 0.75あるいは1 mg/kgを投与したところ、飲水によってマウスが受ける電気ショックの頻度は、用量依存的に増加した(フォーゲル型コンフリクト試験における抗コンフリクト作用、図2参照)。(N=32−33)
【0013】
【実施例】
以下、この出願発明を実施例により具体的に説明するが、この出願発明は、実施例に限られるものではない。
実施例1
リナロールをオリーブ油に溶解して体重1kg当たり100, 200, 400あるいは600mgをマウスに腹腔内投与した。
投与後、ゲラー型コンフリクト試験を実施すると、用量依存的に抗コンフリクト作用を発現する(図3参照)(N=20)。
【0014】
実施例2
リナロールを体重1kg 当たり100,200,400あるいは800mgをマウスに腹腔内投与してフォーゲル型コンフリクト試験を実施したところ、ジアゼパムと同様に用量依存的に飲水によって受ける電気ショックの頻度は増加した(抗コンフリクト作用(図4参照))。(N=18)
この様にリナロールは、ベンゾジアゼピン系抗不安薬であるジアゼパムと同様に、動物に注射投与すると2種類の試験において抗コンフリクト作用を示す。すなわち、この2物質は抗不安作用を有することが明らかである。
【0015】
実施例3
リナロールを含むラベンダー・オイルを体重1kg当たり200, 400, 800あるいは1600mgをマウスに腹腔内投与した。投与後、ゲラー型コンフリクト試験を実施すると、用量依存的に抗コンフリクト作用を発現する。(図5参照)。(N=20)。
【0016】
実施例4
リナロールを含むラベンダー・オイルを体重1kg当たり200, 400, 800あるいは1600 mg/kgをマウスに腹腔内投与した。投与後フォーゲル型コンフリクト試験を実施すると、用量依存的に抗コンフリクト作用を発現する。(図6参照)(N=30)この様にリナロールを含むラベンダー・オイルも、ベンゾジアゼピン系抗不安薬であるジアゼパムと同様に、動物に注射投与すると2種類の試験において抗コンフリクト作用を示す。すなわち、このラベンダー・オイルも抗不安作用を有することが明らかである。
【0017】
【発明の効果】この出願発明のリナロールあるいはラベンダー・オイルは、抗コンフリクト作用を示すので、この出願発明によって、新規の抗不安薬を提供することができる。
【図面の簡単な説明】
【図1】ジアゼパムをマウスに投与したゲラー型コンフリクト試験
【図2】ジアゼパムをマウスに投与したフォーゲル型コンフリクト試験における抗コンフリクト作用
【図3】リナロールをマウスに投与したゲラー型コンフリクト試験
【図4】リナロールをマウスに投与したフォーゲル型コンフリクト試験
【図5】ラベンダー・オイルをマウスに投与したゲラー型コンフリクト試験
【図6】ラベンダー・オイルをマウスに投与したフォーゲル型コンフリクト試験における抗コンフリクト作用[0001]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drug for providing so-called comfort, such as treatment of a psychiatric nerve disease requiring a known anxiolytic such as anxiety neurosis and relief of stress and tension in daily life.
[0002]
2. Description of the Related Art The rapid environmental changes that surround us today are often difficult to adapt, which often causes mental and physical distortions as stress.
Many people have successfully adapted to this problem, but some who have failed to do so have neurosis or psychosomatic disorders.
In recent years, the number of such patients has been increasing not only in the psychiatric field but also in other fields.
Regarding the treatment, biological access by drug therapy has become very important as well as psychological access by psychotherapy.
In 1957, benzodiazepines, chlordiasepoxide and diazepam, were developed and positioned as anxiolytics. The development of anxiolytics has since made remarkable progress, and many highly useful drugs are now widely used in daily clinical practice.
However, benzodiazepine-based anxiolytics that have been developed to date have excellent anxiolytic effects, and at the same time, have various effects such as sedation, muscle relaxation, hypnosis, and enhancement by alcohol, which cause drowsiness, lightheadedness, and caution. This manifests itself as side effects such as distraction and disability caused by combined use of alcohol, and in the case of long-term use, there has also been a problem of withdrawal syndrome and abuse based on physical dependence upon discontinuation of the drug.
Therefore, in order to solve various drawbacks of conventional anxiolytics, development of drugs that selectively act on anxiety has recently been attempted, but no alternative to benzodiazepine anxiolytics has been developed yet. .
[0003]
The environment of excessive stress in the present age has increased diseases requiring anxiolytics such as neuroses and psychosomatic disorders.
However, conventional benzodiazepine-based anxiolytics have various disadvantages.
An object of the invention of this application is to provide a new anxiolytic that replaces the conventional anxiolytic.
[0004]
SUMMARY OF THE INVENTION The present invention relates to an anti-anxiety, tension-relieving, tranquilizer containing linalool as an active ingredient, or an anxiolytic, tension-relieving, tranquilizer containing lavender essential oil as an active ingredient. .
[0005]
BEST MODE FOR CARRYING OUT THE INVENTION Linalool of the present invention is a main component contained in essential oils obtained from lavender flowers and has the following chemical structure.
Embedded image
Figure 2004123655
[0006]
The drug of the present invention is used as an oral medicine, an injection, a patch, a suppository, and an inhalant.
The injection is injected into the body by intramuscular injection, intradermal injection, subcutaneous injection, intravenous injection, or the like.
The patch is absorbed into the body by mixing it with a conventionally used plaster.
Suppositories are absorbed in the body by mixing them with conventionally used cocoa butter, glycerogelatin, sodium stearate, propylene glycol monostearate and the like.
Inhalants are to be absorbed into the body by conventional methods. For example, by adding the components of the present invention to water vapor or air, they are absorbed into the body through the nostrils or oral cavity.
[0007]
A benzodiazepine compound can be used in combination with the anti-anxiety, stress relief and tranquilizer containing linalool as the main component of the present invention.
In addition, an initial patient may be administered with a benzodiazepine compound, and then the linalool-based anti-anxiety, stress relief, and tranquilizer of the present invention may be administered.
[0008]
A conflict test is widely used as a method of examining animal experiments to confirm the presence or absence of a human anxiolytic effect.
There are two types of conflict tests, Geler type and Vogel type. The Geller-type conflict test is to provide a food by pressing a lever in the experimental device, train the mouse to perform a lever-pressing action, and then set a conflict state by giving an electric shock simultaneously with the food. How to
[0009]
With sufficient training, the mouse stops performing the lever-pressing action because of fear of electric shock.
However, when a drug having an anxiolytic effect is given, the mouse will press the lever regardless of the electric shock.
Such an effect of the drug is called an anti-conflict effect in the Geller type conflict test, and suggests an anxiolytic effect in humans.
[0010]
In the Vogel-type conflict test, a conflict state is set by giving an electric shock to drinking water from a mouse that has been subjected to water deprivation.
When given an anxiolytic drug, the mouse will drink water regardless of the electric shock. Such an effect is called an anti-conflict effect in the Vogel type conflict test, and indicates an anxiolytic effect in humans.
[0011]
When diazepam, a representative of benzodiazepine anxiolytics, is subcutaneously administered to mice at 0.5, 1, or 2 mg / kg / kg body weight, the frequency of lever pressing during the warning period increases in the Geller conflict test (see FIG. 1). .
The number of animals used for each dose was 20 (N = 20).
This is the anti-conflict effect in the Geller-type conflict test, which reflects the anxiolytic effect that an anxiolytic drug has specifically.
[0012]
In another conflict test, the Vogel type conflict test, diazepam was administered subcutaneously to mice. Administration of 0.375, 0.5, 0.75, or 1 mg / kg / body weight increased the frequency of electric shock received by mice in drinking dose-dependently (the anti-conflict effect in the Vogel type conflict test, (See FIG. 2). (N = 32-33)
[0013]
【Example】
Hereinafter, the present invention will be described specifically with reference to examples, but the present invention is not limited to the examples.
Example 1
Linalool was dissolved in olive oil and 100, 200, 400 or 600 mg / kg body weight was intraperitoneally administered to mice.
When a Geller type conflict test is performed after administration, an anti-conflict effect is exhibited in a dose-dependent manner (see FIG. 3) (N = 20).
[0014]
Example 2
In a Vogel type conflict test in which linalool was administered intraperitoneally to mice at 100, 200, 400 or 800 mg / kg body weight, the frequency of electric shocks induced by drinking water increased in a dose-dependent manner similar to diazepam (anti-conflict) Action (see FIG. 4)). (N = 18)
Thus, linalool, like diazepam, a benzodiazepine anxiolytic, shows anti-conflict effects in two tests when administered to animals by injection. That is, it is clear that these two substances have an anxiolytic effect.
[0015]
Example 3
Mice were intraperitoneally administered 200, 400, 800 or 1600 mg of lavender oil containing linalool per kg of body weight. When a Geller type conflict test is performed after administration, an anti-conflict effect is exhibited in a dose-dependent manner. (See FIG. 5). (N = 20).
[0016]
Example 4
Mice were intraperitoneally administered lavender oil containing linalool at 200, 400, 800 or 1600 mg / kg / kg body weight. When a Vogel type conflict test is performed after administration, an anti-conflict effect is exhibited in a dose-dependent manner. (See FIG. 6.) (N = 30) Like the benzodiazepine anxiolytic diazepam, lavender oil containing linalool also has an anti-conflict effect in two tests when injected into animals. That is, it is clear that this lavender oil also has an anxiolytic effect.
[0017]
The linalool or lavender oil of the present invention exhibits an anti-conflict effect, so that a novel anxiolytic can be provided by the present invention.
[Brief description of the drawings]
[Fig. 1] Geller-type conflict test in which diazepam was administered to mice [Fig. 2] Anti-conflict effect in Vogel-type conflict test in which diazepam was administered to mice [Fig. 3] Geller-type conflict test in which linalool was administered to mice [Fig. 4] Vogel-type conflict test in which linalool was administered to mice [Fig. 5] Geller-type conflict test in which lavender oil was administered to mice [Fig. 6] Anti-conflict effect in Vogel-type conflict test in which lavender oil was administered to mice

Claims (7)

リナロールを有効成分とすることを特徴とする抗不安、緊張緩和、精神安定剤。An anti-anxiety, stress relief, tranquilizer characterized by using linalool as an active ingredient. ラベンダー・オイルを有効成分とすることを特徴とする抗不安、緊張緩和、精神安定剤。An anti-anxiety, tension relieving and tranquilizer characterized by using lavender oil as an active ingredient. 内服薬であることを特徴とする請求項1又は2に記載の抗不安、緊張緩和、精神安定剤。3. An anti-anxiety, stress relief, tranquilizer according to claim 1 or 2, which is an oral medication. 注射薬であることを特徴とする請求項1又は2に記載の抗不安、緊張緩和、精神安定剤、3. An anti-anxiety, stress relief, tranquilizer according to claim 1 or 2, characterized in that it is an injection. 皮膚あるいは粘膜からの吸収薬であることを特徴とする請求項1又は2に記載の抗不安、緊張緩和、精神安定剤。3. The anti-anxiety, stress relief and tranquilizer according to claim 1 or 2, which is an absorbent from the skin or mucous membranes. 吸入薬であることを特徴とする請求項1又は2に記載の抗不安、緊張緩和、精神安定剤。The anti-anxiety, stress relief, tranquilizer according to claim 1 or 2, which is an inhalant. 香料であることを特徴とする請求項1又は2に記載の抗不安、緊張緩和、精神安定剤。3. An anti-anxiety, stress relief, tranquilizer according to claim 1 or 2, which is a fragrance.
JP2002293360A 2002-10-07 2002-10-07 Anxiolytic Expired - Lifetime JP4517117B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110045109A1 (en) * 2007-12-04 2011-02-24 Ann Fowler Novel nutraceutical compositions containing whole-fruit zanthoxylum bungeanum extract for cognition

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09227399A (en) * 1996-02-27 1997-09-02 Pola Chem Ind Inc Suppressant for secretion of adrenocortical hormone
JPH09302377A (en) * 1996-05-08 1997-11-25 Pola Chem Ind Inc Stress-relaxing perfume and composition containing the same
JPH11343497A (en) * 1998-05-29 1999-12-14 Naris Cosmetics Co Ltd Cosmetic
JP2001233723A (en) * 2000-02-25 2001-08-28 Pola Chem Ind Inc Cosmetic set for mind and body

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09227399A (en) * 1996-02-27 1997-09-02 Pola Chem Ind Inc Suppressant for secretion of adrenocortical hormone
JPH09302377A (en) * 1996-05-08 1997-11-25 Pola Chem Ind Inc Stress-relaxing perfume and composition containing the same
JPH11343497A (en) * 1998-05-29 1999-12-14 Naris Cosmetics Co Ltd Cosmetic
JP2001233723A (en) * 2000-02-25 2001-08-28 Pola Chem Ind Inc Cosmetic set for mind and body

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110045109A1 (en) * 2007-12-04 2011-02-24 Ann Fowler Novel nutraceutical compositions containing whole-fruit zanthoxylum bungeanum extract for cognition

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