JP2006045200A - Therapeutic agent for interstitial cystitis - Google Patents

Therapeutic agent for interstitial cystitis Download PDF

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JP2006045200A
JP2006045200A JP2005188313A JP2005188313A JP2006045200A JP 2006045200 A JP2006045200 A JP 2006045200A JP 2005188313 A JP2005188313 A JP 2005188313A JP 2005188313 A JP2005188313 A JP 2005188313A JP 2006045200 A JP2006045200 A JP 2006045200A
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interstitial cystitis
therapeutic agent
cystitis
citrate
citric acid
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Toru Araki
徹 荒木
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Abstract

<P>PROBLEM TO BE SOLVED: To obtain a therapeutic agent of internal use that has slight physical, mental and economic burden on a patient suffering from unusual pollakisuria of interstitial cystitis and severe pain of the bladder and around the bladder and is safe. <P>SOLUTION: The effective and safe therapeutic agent of internal use for interstitial cystitis comprises a citric acid preparation composed of potassium citrate, sodium citrate or citric acid as a main agent, for example, Uralyt-U(R) and Uralyt(R) tablet. The citric acid preparation is effective not only against interstitial cystitis but also against cystalgia syndrome and BCG cystitis. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、間質性膀胱炎ならびに間質性膀胱炎類似の症状を呈する膀胱痛症候群やBCG膀胱炎(以下「間質性膀胱炎等」という。)の内服治療剤からなる間質性膀胱炎の新しい治療薬に関する。   The present invention relates to interstitial urinary bladder comprising a therapeutic agent for internal use of interstitial cystitis and bladder pain syndrome or BCG cystitis (hereinafter referred to as “interstitial cystitis etc.”) which exhibits symptoms similar to interstitial cystitis. It relates to a new remedy for flames.

間質性膀胱炎(interstitial cystitis,IC)は、慢性、進行性、原因不明の膀胱の炎症である。その患者数も決して少なくはなく、性別・年齢を問わず発症し、患者数は我国では25万人以上、米国では100万人以上と推定されている。間質性膀胱炎は膀胱に尿が溜まると膀胱に強い痛みを生じ、排尿すると軽減する。進行するにつれて、膀胱が萎縮し膀胱容量が減少する。それらの結果、患者は著しい頻尿となり、毎日数10回もの頻尿と膀胱および膀胱周辺の激しい痛みに苦しむ。間質性膀胱炎の原因は不明である。通常の膀胱炎と異なり細菌感染はなく、結石・腫瘍など明らかな疾患も認められない。上記症状の原因は膀胱粘膜構造の異常変化に起因すると推察されているが、なぜその異常が生じるのかは、未だ解明されていない。   Interstitial cystitis (IC) is a chronic, progressive, unexplained bladder inflammation. The number of patients is not small, and it develops regardless of gender and age. The number of patients is estimated to be over 250,000 in Japan and over 1 million in the United States. Interstitial cystitis causes severe pain in the bladder when urine accumulates in the bladder and relieves when urinating. As it progresses, the bladder shrinks and bladder capacity decreases. As a result, patients have significant frequent urination and suffer from dozens of frequent urinations per day and severe pain around the bladder and bladder. The cause of interstitial cystitis is unknown. Unlike normal cystitis, there is no bacterial infection and no obvious diseases such as stones or tumors. The cause of the above symptoms is presumed to be due to an abnormal change in the structure of the bladder mucosa, but the reason why the abnormality occurs has not yet been elucidated.

その治療は、薬剤内服、薬剤の膀胱内注入療法、膀胱水圧拡張、電気刺激治療、高度の萎縮膀胱に対する外科的治療などが行われる。患者の精神的・身体的負担が少ない内服薬治療には、抗うつ剤(アミトリプチリン)、抗ヒスタミン剤、抗アレルギー剤、ステロイド剤、重曹等が使用されている。   The treatment includes internal medicine, intravesical infusion of the medicine, bladder pressure expansion, electrical stimulation treatment, and surgical treatment for highly deflated bladder. Anti-depressants (amitriptyline), antihistamines, antiallergic agents, steroids, baking soda, etc. are used for internal medicine treatments that have little mental and physical burden on patients.

特許文献でみてみると、例えば、特許文献1には、オキシブチニン、ドクソルビシン、イミプラミンなどを活性物質として粘液接着性のゲルに担持させた間質性膀胱炎の治療薬が記載され、特許文献2には、ヒアルロン酸の特定分子量範囲のものが間質性膀胱炎に有効であるとの記載がみられる。また、特許文献3には、その必要のある哺乳類に1日当たり30−150mgの有効量のデュロキセチンを投与することを含んでなる哺乳類の間質性膀胱炎又は尿道症候群の治療または予防方法が提案されている。   Looking at the patent literature, for example, Patent Literature 1 describes a therapeutic drug for interstitial cystitis in which oxybutynin, doxorubicin, imipramine and the like are supported on a mucoadhesive gel as an active substance. Describes that hyaluronic acid having a specific molecular weight range is effective for interstitial cystitis. Patent Document 3 proposes a method for treating or preventing interstitial cystitis or urethral syndrome in mammals, which comprises administering an effective amount of 30 to 150 mg of duloxetine per day to a mammal in need thereof. ing.

しかし、これらの治療法はいずれも多くの患者に共通する有効性を欠き、また膀胱内注入療法等は患者に苦痛を与える欠点がある(非特許文献1、2参照)。こうした現状から、より有効な間質性膀胱炎の治療法、できれば上記症状に苦しむ患者の身体的・精神的・経済的負担が少ない内服治療薬の開発が求められている。また、間質性膀胱炎類似の症状を呈する膀胱痛症候群やBCG膀胱炎に対しても同様である。BCG膀胱炎は、最近注目されはじめた疾患であり、結核予防薬としてのBCGを膀胱癌の再発予防治療として頻繁に用いられてから、しばしば発生する副作用の弊害が問題となってきた。   However, any of these treatment methods lacks the effectiveness common to many patients, and intravesical infusion therapy or the like has a drawback of causing pain to patients (see Non-Patent Documents 1 and 2). Under these circumstances, there is a need for the development of more effective treatments for interstitial cystitis, preferably internal medicines that lessen the physical, mental, and economic burdens of patients suffering from the above symptoms. The same applies to bladder pain syndrome and BCG cystitis that exhibit symptoms similar to interstitial cystitis. BCG cystitis is a disease that has begun to attract attention recently. Since BCG as a tuberculosis preventive drug has been frequently used as a preventive treatment for recurrence of bladder cancer, the adverse effects of the frequently occurring side effects have become a problem.

クエン酸カリウム・クエン酸ナトリウムあるいはこれらとクエン酸との配合製剤であるウラリット−U(日本ケミファ株式会社の登録商標)及びウラリット(同社の登録商標)錠は、痛風、高尿酸血症における酸性尿ならびにアシドーシスの改善剤として、我国を含め世界中で広く使用されている薬剤である。(非特許文献3参照)。間質性膀胱炎患者の一部には尿をアルカリ性にすると症状が改善されることは一部で知られていたが、これらウラリット−U(登録商標)又はウラリット(登録商標)錠が間質性膀胱炎等の治療剤として有効であることは全く知られてはいなかった。   Potassium citrate / sodium citrate or a combination preparation of these with citric acid, URALIT-U (registered trademark of Nippon Chemifa Co., Ltd.) and URALIT (registered trademark of the company) are used for acidic urine in gout and hyperuricemia In addition, it is a drug widely used all over the world including Japan as an agent for improving acidosis. (Refer nonpatent literature 3). Some patients with interstitial cystitis have been known to improve symptoms when urine is made alkaline, but these URALIT-U (registered trademark) or URALIT (registered trademark) tablets are interstitial. It was not known at all to be effective as a therapeutic agent for cystitis.

特表2001−519787公報Special table 2001-519787 gazette 特表平10−513476号公報Japanese National Patent Publication No. 10-513476 特表2000−506863公報JP 2000-506863 A 日本間質性膀胱炎研究会編 間質性膀胱炎−疫学から治療まで− 医学図書出版、2003年Japan Interstitial Cystitis Study Group Interstitial Cystitis-From Epidemiology to Treatment-Medical Book Publishing, 2003 排尿障害プラクティス 特集 間質性膀胱炎 11巻1号 7−62、2003年Special issue on dysuria practice Interstitial cystitis Vol.11 No.1 7-62, 2003 上田泰ほか 尿アルカリ化剤CG−120(ウラリット−U(登録商標))の臨床評価 臨床評価9巻、421−433、1981年Yasushi Ueda et al. Clinical evaluation of urine alkalizing agent CG-120 (Ularit-U (registered trademark)) Clinical evaluation Vol. 9, 421-433, 1981

しかしながら、以上の技術によれば、いずれの治療法も多くの患者に共通する有効性を欠き、また膀胱内注入療法等は患者に苦痛を与える欠点がある(非特許文献1、2参照)。この現状から、より有効な間質性膀胱炎の治療法、できればその症状に苦しむ患者の身体的・精神的・経済的負担が少なく安全な内服治療薬の開発が求められている。   However, according to the above techniques, any of the treatment methods lacks the effectiveness common to many patients, and intravesical infusion therapy or the like has drawbacks that give pain to patients (see Non-Patent Documents 1 and 2). In view of this situation, there is a need for the development of a more effective treatment for interstitial cystitis, preferably a safe internal medicine that reduces the physical, mental and economic burdens of patients suffering from the symptoms.

そこで、本発明は、間質性膀胱炎等の著しい頻尿と膀胱ならびに膀胱周辺の激しい痛みの症状に苦しむ患者に対して、身体的・精神的・経済的負担が少なく、しかも安全な、内服治療剤の開発を目的とし、発売後すでに20年を経過してその安全性が十分に確認されているクエン酸塩を有効成分とするウラリット−U(登録商標)とウラリット(登録商標)錠を基本薬剤に用いることにより、間質性膀胱炎等に有効かつ安全な治療薬を提供することを課題とする。   Therefore, the present invention provides a safe, low-physical, mental, and economical burden for patients suffering from severe frequent urination such as interstitial cystitis and severe pain in the bladder and surrounding bladder. URALIT-U (registered trademark) and URALIT (registered trademark) tablets containing citrate as an active ingredient for the development of therapeutic agents, the safety of which has been fully confirmed after 20 years It is an object to provide an effective and safe therapeutic agent for interstitial cystitis and the like by using it as a basic drug.

以上の課題を解決するために、本発明は、尿をアルカリ化することが一部の間質性膀胱炎患者の症状を改善することにヒントを得て、クエン酸のアルカリ塩を有効成分とする薬剤が間質性膀胱炎等に有効かつ安全な治療薬であることをみいだし、本発明を完成した。   In order to solve the above problems, the present invention is based on the idea that alkalizing urine improves the symptoms of some patients with interstitial cystitis, and using an alkali salt of citric acid as an active ingredient. The present invention was completed by finding that the drug to be used is an effective and safe therapeutic agent for interstitial cystitis and the like.

すなわち、クエン酸カリウム、クエン酸ナトリウムを主剤とする、内服治療剤からなる間質性膀胱炎の治療薬である。   That is, it is a therapeutic agent for interstitial cystitis consisting of internal medicines, mainly consisting of potassium citrate and sodium citrate.

また、本発明は、更にこれらクエン酸カリウム、クエン酸ナトリウムを主剤とする、間質性膀胱炎類似の症状を呈する膀胱痛症候群の内服治療剤としても有効であることをみいだしたのである。同様に間質性膀胱炎類似の症状を呈するBCG膀胱炎にも有効であることが認められた。   In addition, the present invention has also been found to be effective as a therapeutic agent for internal use of bladder pain syndrome that exhibits symptoms similar to interstitial cystitis, mainly comprising these potassium citrate and sodium citrate. Similarly, it was confirmed to be effective for BCG cystitis that exhibits symptoms similar to interstitial cystitis.

更に、これらクエン酸カリウム、クエン酸ナトリウムなどのアルカリ塩にクエン酸を添加したものを主剤とする内服治療剤からなる間質性膀胱炎又は間質性膀胱炎類似の症状を呈する膀胱痛症候群やBCG膀胱炎の内服治療剤の治療薬である。   Furthermore, bladder pain syndrome with interstitial cystitis or interstitial cystitis-like symptom similar to interstitial cystitis consisting of oral remedies containing citric acid added to alkali salts such as potassium citrate and sodium citrate It is a therapeutic agent for internal use treatment of BCG cystitis.

ここで、クエン酸カリウムとクエン酸ナトリウム2成分系のモル比が1:0.2〜4で効果があり、好ましくは、モル比が1:0.4〜3、更に好ましくは、モル比が1:0.5〜2である。クエン酸カリウムとクエン酸ナトリウムのモル比が1:0.2〜4の範囲より外れる、すなわち、クエン酸カリウムが多ければ、血液中のカリウムが増え、高度の腎障害者には高カリウム血症を生じて好ましくない。逆にクエン酸ナトリウムが多いと、血液中のナトリウムが増えて血圧を上げる原因となり、高血圧患者には好ましくない結果をもたらす。   Here, the molar ratio of potassium citrate and sodium citrate binary system is effective at 1: 0.2-4, preferably the molar ratio is 1: 0.4-3, more preferably the molar ratio is 1: 0.5-. 2. The molar ratio of potassium citrate to sodium citrate is outside the range of 1: 0.2-4, ie, more potassium citrate increases blood potassium and causes hyperkalemia in people with severe renal impairment It is not preferable. On the other hand, a large amount of sodium citrate increases the sodium in the blood and increases blood pressure, which is undesirable for hypertensive patients.

クエン酸カリウム、クエン酸ナトリウム及びクエン酸の3成分系では、これらのモル比が1:0.2〜4:0.1〜2で効果があり、好ましくは、モル比が1:0.5〜2:0.3〜3、更に好ましくは、モル比が1:0.2〜3.5:0.3〜3である間質性膀胱炎類似の症状を呈する膀胱痛症候群の内服治療剤からなる間質性膀胱炎の治療薬である。   In the three-component system of potassium citrate, sodium citrate and citric acid, these molar ratios are effective at 1: 0.2-4: 0.1-2, preferably the molar ratio is 1: 0.5-2: 0.3-3. More preferably, it is a therapeutic agent for interstitial cystitis comprising an internal use therapeutic agent for bladder pain syndrome exhibiting symptoms similar to interstitial cystitis having a molar ratio of 1: 0.2 to 3.5: 0.3 to 3.

内服治療剤は種々の形態で投与できるが、通常の粉剤、錠剤、又はシロップ剤の形を、目的に応じて自由に選択実施できる間質性膀胱炎等の治療薬となっている。これら2成分系、3成分系及びこれらを含有する市販の薬剤を総称して「クエン酸薬剤」という。 Although the internal medicine can be administered in various forms, it is a therapeutic drug for interstitial cystitis, etc., which can be freely selected according to the purpose in the form of a normal powder, tablet or syrup. These two-component systems, three-component systems, and commercially available drugs containing these are collectively referred to as “citrate drugs”.

尿アルカリ化に用いられている重曹は1日6−10g以上という大量の内服を必要とする。そのため、内服しにくく、さらにナトリウムを多量に含有するため、血圧上昇を招きやすいので、高血圧患者には適さない(非特許文献3参照)。   Sodium bicarbonate used for urine alkalinization requires a large amount of internal use of 6-10 g or more per day. Therefore, since it is difficult to take orally and contains a large amount of sodium, blood pressure is likely to increase, so it is not suitable for hypertensive patients (see Non-Patent Document 3).

クエン酸塩製剤は、筋肉細胞におけるTCAサイクル(グリコーゲンから乳酸への代謝)で蓄積した乳酸による筋肉疲労を防ぐ効果が期待できる。したがって、クエン酸塩製剤は、単に尿のアルカリ化のみならず、これと同様のメカニズムが膀胱筋細胞にも作用して、間質性膀胱炎等の症状改善及び治癒に貢献するのではないかと思われる。   The citrate preparation can be expected to prevent muscle fatigue caused by lactic acid accumulated in the TCA cycle (metabolism of glycogen to lactic acid) in muscle cells. Therefore, citrate preparations may not only merely alkalinize urine, but a similar mechanism may also act on bladder muscle cells, contributing to the improvement and cure of symptoms such as interstitial cystitis. Seem.

これまで、間質性膀胱炎等の著しい頻尿と膀胱ならびに膀胱周辺の激しい痛みの症状に苦しむ患者は、身体的・精神的・経済的負担が多くあったのが、簡単な内服治療剤のウラリット−U(登録商標)とウラリット(登録商標)錠等を基本薬剤に用いることにより、間質性膀胱炎に有効かつ安全な治療薬を提供することができた。   Until now, patients suffering from severe frequent urination such as interstitial cystitis and severe pain around the bladder and the bladder have had many physical, mental and economic burdens. By using URALIT-U (registered trademark) and URALIT (registered trademark) tablets as basic drugs, an effective and safe therapeutic agent for interstitial cystitis could be provided.

ウラリット−U(登録商標)及びウラリット(登録商標)錠は、クエン酸カリウム・クエン酸ナトリウムあるいはこれらとクエン酸との配合製剤であり、痛風、高尿酸血症における酸性尿ならびにアシドーシスの改善剤として、我国を含め世界中で広く使用されている薬剤である。たしかに、間質性膀胱炎患者の一部には尿をアルカリ性にすると症状が改善されることは一部で知られていたが、ウラリット−U(登録商標)又はウラリット(登録商標)錠が間質性膀胱炎の治療剤として有効であることは全く知られてはいなかったのが、本発明によって、その薬効が立証され、有効成分としての特定範囲も明らかになった。   URALIT-U (registered trademark) and URALIT (registered trademark) tablets are potassium citrate / sodium citrate or a combination of these and citric acid, and as an ameliorating agent for acidic urine and acidosis in gout and hyperuricemia It is a widely used drug around the world including Japan. Certainly, some patients with interstitial cystitis have been known to improve their symptoms by making urine alkaline, but URALIT-U (registered trademark) or URALIT (registered trademark) tablets are Although it was not known at all to be effective as a therapeutic agent for interstitial cystitis, the present invention proved its medicinal effect and also revealed a specific range as an active ingredient.

クエン酸製剤としてのウラリット−U(登録商標)及びウラリット(登録商標)錠は、発売後すでに20年を経過してその安全性が十分に確認されているクエン酸塩を有効成分とするから、本発明の内服剤も安全性においては確実に保証されているものである。クエン酸製剤として同様の痛風、高尿酸血症における酸性尿ならびにアシドーシスの改善剤としては、ウタゲン(高田製薬株式会社登録商標)、トロノーム(大原製薬登録商標)、ピナロック(メルクホエイ社登録商標)があり、いずれも有効に作用するものである。   Since URALIT-U (registered trademark) and URALIT (registered trademark) tablets as citric acid preparations are citrate salts whose safety has been sufficiently confirmed after 20 years since the release, The internal medicine of the present invention is also guaranteed in safety. As a citric acid preparation, gout, aciduria in hyperuricemia and acidosis amelioration agents include Utagen (registered trademark of Takada Pharmaceutical Co., Ltd.), Tronome (registered trademark of Ohara Pharmaceutical Co., Ltd.), Pinarok (registered trademark of Merck Whey Co., Ltd.) , Both work effectively.

以下、本発明の間質性膀胱炎の治療薬の臨床例について、具体的に説明する。
本発明で使用する間質性膀胱炎等の新しい内服治療薬であるクエン酸製剤としての、ウラリット−U(登録商標)およびウラリット(登録商標)錠の成分は下記の通りである。
ウラリット(登録商標)錠は1錠中に下記成分を(乾燥重量として)含有する。
クエン酸カリウム 231.5mg
(日局)クエン酸ナトリウム 195.0mg
クエン酸カリウムとクエン酸ナトリウムのモル比は1:0.844である。
ウラリット−U(登録商標)は、1g中に下記成分を(乾燥重量として)含有する散剤である。
クエン酸カリウム 463mg
(日局)クエン酸ナトリウム 390mg
従って、クエン酸カリウムとクエン酸ナトリウムのモル比は1:0.842で両者共に近い成分割合である。
これらは市販後20年を経ており、その安全性は日本国内外で広く確認されている。
Hereinafter, clinical examples of the therapeutic agent for interstitial cystitis of the present invention will be specifically described.
The ingredients of URALIT-U (registered trademark) and URALIT (registered trademark) as a citric acid preparation which is a new internal medicine for interstitial cystitis and the like used in the present invention are as follows.
URALIT (R) tablets contain the following ingredients (as dry weight) in one tablet.
Potassium citrate 231.5mg
(JP) Sodium citrate 195.0mg
The molar ratio of potassium citrate to sodium citrate is 1: 0.844.
Ularit-U (registered trademark) is a powder containing the following components (as dry weight) in 1 g.
Potassium citrate 463mg
(JP) Sodium citrate 390mg
Therefore, the molar ratio of potassium citrate to sodium citrate is 1: 0.842, which is a component ratio close to both.
These have been 20 years after market, and their safety has been widely confirmed both in Japan and abroad.

[実施例1] 間質性膀胱炎患者17人に患者の同意を得て、他の治療を変更することなく、ウラリット−U(登録商標)またはウラリット(登録商標)錠を1−2ヶ月間、1日3−4回経口追加投与したところ、15名(88%)の患者の間質性膀胱炎特徴的症状である痛み・頻尿がともに改善した。表1にその結果を示す。   [Example 1] With the consent of 17 patients with interstitial cystitis, URALIT-U (registered trademark) or URALIT (registered trademark) tablets were administered for 1-2 months without changing other treatments. When 3 to 4 times a day were orally administered, pain and frequent urination, which are characteristic symptoms of interstitial cystitis in 15 patients (88%), were improved. Table 1 shows the results.

Figure 2006045200
Figure 2006045200

全例、有害事象は認めなかった。症状改善例の半数は現在まで既に数年間、本剤を継続服用しているが、それらにも有害事象は認めていない。また、間質性膀胱炎の外に治療中の疾患をもつ患者もいたが、本剤の内服がそれら疾患に影響することもなかった。   In all cases, no adverse events were observed. Half of the symptom-improving cases have already been taking this drug for several years, but no adverse events have been observed. In addition to interstitial cystitis, some patients had a disease that was being treated, but internal use of this drug did not affect those diseases.

[実施例2] 膀胱痛症候群患者の10例にも、上記のウラリット−U(登録商標)、ウラリット(登録商標)錠は有効であった。結果を表2に示す。   [Example 2] The above-mentioned Ularit-U (registered trademark) and Ularit (registered trademark) tablets were also effective in 10 patients with bladder pain syndrome. The results are shown in Table 2.

Figure 2006045200
Figure 2006045200

[実施例3] BCG膀胱炎患者の9例にもウラリット−U(登録商標)、ウラリット(登録商標)錠は有効であった。結果を表3に示す。   [Example 3] Ularit-U (registered trademark) and Ularit (registered trademark) tablets were also effective in nine patients with BCG cystitis. The results are shown in Table 3.

Figure 2006045200
Figure 2006045200

以上の結果から、ウラリット−U(登録商標)、ウラリット(登録商標)錠は間質性膀胱炎等に対する安全、且つ、新たな内服治療薬として大変有用であることが判明した。その他、3成分系で、クエン酸カリウム、クエン酸ナトリウムクエン酸の成分比率が、2:2:1のものや、1:1.5:1.5についても約70%以上の著明改善が認められた。これらのクエン酸製剤の安全性に関しては、尿アルカリ化剤・アシドーシス改善剤として発売後既に20年、我国内外で広く使用され安全性が確認されている。   From the above results, it has been found that URALIT-U (registered trademark) and URALIT (registered trademark) tablets are safe for interstitial cystitis and the like and are very useful as a new internal medicine. In addition, a remarkable improvement of about 70% or more was observed for the three-component system in which the component ratio of potassium citrate and sodium citrate citric acid was 2: 2: 1 and 1: 1.5: 1.5. As for the safety of these citric acid preparations, it has been widely used in Japan and abroad for 20 years as a urine alkalizing agent / acidosis improving agent, and its safety has been confirmed.

市販のウラリット−U(登録商標)、ウラリット(登録商標)錠の投与量は、1日3−6gまたは6−12錠を3−4回に分けて服用するのが一般であるが、症状の程度によって内服量は適宜加減される。間質性膀胱炎に対するクエン酸製剤の投与量は1日3−4gの3−4分服で十分な効果を発揮する。服用を続けるうち、症状が改善すれば1日1−2gの服用で十分となる患者もあり、中には服薬を必要としなくなる患者や治癒した患者もある。膀胱痛症候群、BCG膀胱炎患者に対しても同様であった。   The dose of commercially available URALIT-U (registered trademark) and URALIT (registered trademark) tablets is generally 3-6 g or 6-12 tablets taken 3-4 times a day. The internal dose is appropriately adjusted depending on the degree. The dose of the citric acid preparation for interstitial cystitis exerts a sufficient effect with a 3-4 g dose of 3-4 g per day. If you continue to take the medicine, taking 1-2g a day will be sufficient if symptoms improve, and some patients will no longer need or will be cured. The same was true for patients with bladder pain syndrome and BCG cystitis.

本発明の間質性膀胱炎等のクエン酸製剤は内服薬なので、これまで、重い症状に対応していた膀胱内注入療法や外科的療法のような苦痛を患者に与えない。加えて、間質性膀胱炎の他の治療剤・治療法との併用も可能である等の特徴的有用性をも併せ持つ。従って、本発明は、間質性膀胱炎に苦しむ多くの患者を救う新治療薬として大いに期待できる。また、膀胱痛症候群患者やBCG膀胱炎を救う新治療薬としても期待できる。   Since the citric acid preparation such as interstitial cystitis of the present invention is an internal medicine, it does not give suffering to the patient such as intravesical infusion therapy and surgical therapy that corresponded to severe symptoms so far. In addition, it has a characteristic utility that it can be used in combination with other therapeutic agents / therapy for interstitial cystitis. Therefore, the present invention can be greatly expected as a new therapeutic drug that saves many patients suffering from interstitial cystitis. In addition, it can be expected as a new therapeutic agent for saving bladder pain syndrome patients and BCG cystitis.

Claims (9)

クエン酸カリウム、クエン酸ナトリウムを主剤とする、内服治療剤からなる間質性膀胱炎の治療薬。 A therapeutic agent for interstitial cystitis consisting of oral remedies mainly composed of potassium citrate and sodium citrate. クエン酸カリウム、クエン酸ナトリウムを主剤とする、間質性膀胱炎類似の症状を呈する膀胱痛症候群の内服治療剤からなる間質性膀胱炎の治療薬。 A therapeutic agent for interstitial cystitis, consisting of an oral treatment for bladder pain syndrome that exhibits symptoms similar to interstitial cystitis, mainly composed of potassium citrate and sodium citrate. クエン酸カリウム、クエン酸ナトリウムを主剤とする、間質性膀胱炎類似の症状を呈するBCG膀胱炎の内服治療剤からなる間質性膀胱炎の治療薬。 A therapeutic agent for interstitial cystitis comprising an oral treatment agent for BCG cystitis that exhibits symptoms similar to interstitial cystitis, comprising potassium citrate and sodium citrate as main agents. クエン酸カリウム、クエン酸ナトリウム及びクエン酸を主剤とする、内服治療剤からなる間質性膀胱炎の治療薬。 A therapeutic agent for interstitial cystitis consisting of oral treatments mainly composed of potassium citrate, sodium citrate and citric acid. クエン酸カリウム、クエン酸ナトリウム及びクエン酸を主剤とする、間質性膀胱炎類似の症状を呈する膀胱痛症候群の内服治療剤からなる間質性膀胱炎の治療薬。 A therapeutic agent for interstitial cystitis comprising an oral treatment agent for bladder pain syndrome that exhibits symptoms similar to interstitial cystitis, mainly comprising potassium citrate, sodium citrate and citric acid. クエン酸カリウム、クエン酸ナトリウム及びクエン酸を主剤とする、間質性膀胱炎類似の症状を呈するBCG膀胱炎の内服治療剤からなる間質性膀胱炎の治療薬。 A therapeutic agent for interstitial cystitis comprising an oral treatment agent for BCG cystitis that exhibits symptoms similar to interstitial cystitis, mainly comprising potassium citrate, sodium citrate and citric acid. クエン酸カリウムとクエン酸ナトリウムのモル比が1:0.2〜4である請求項1〜3のいずれか記載の間質性膀胱炎の治療薬。 The therapeutic agent for interstitial cystitis according to any one of claims 1 to 3, wherein the molar ratio of potassium citrate to sodium citrate is 1: 0.2 to 4. クエン酸カリウム、クエン酸ナトリウム及びクエン酸のモル比が1:0.2〜4:0.1〜2である間質性膀胱炎類似の症状を呈する膀胱痛症候群の内服治療剤からなる請求項4〜6のいずれか記載の間質性膀胱炎の治療薬。 7. An oral treatment agent for bladder pain syndrome exhibiting symptoms similar to interstitial cystitis, wherein the molar ratio of potassium citrate, sodium citrate and citric acid is 1: 0.2-4: 0.1-2. Any of the therapeutic agents for interstitial cystitis described in the above. 内服治療剤が、通常の粉剤、錠剤、カプセル剤又はシロップ剤である請求項1〜8のいずれか記載の間質性膀胱炎の治療薬。 The therapeutic agent for interstitial cystitis according to any one of claims 1 to 8, wherein the internal medicine is an ordinary powder, tablet, capsule or syrup.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106038523A (en) * 2016-06-30 2016-10-26 安徽恒星制药有限公司 Potassium citrate and sodium citrate tablets and preparation method thereof
WO2021220022A1 (en) * 2020-04-29 2021-11-04 Lovasz Sandor Urinary alkalizing medicinal and/or pharmaceutical composition for the oral treatment of interstitial cystitis / bladder pain syndrome (ic/bps) and formulation thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106038523A (en) * 2016-06-30 2016-10-26 安徽恒星制药有限公司 Potassium citrate and sodium citrate tablets and preparation method thereof
WO2021220022A1 (en) * 2020-04-29 2021-11-04 Lovasz Sandor Urinary alkalizing medicinal and/or pharmaceutical composition for the oral treatment of interstitial cystitis / bladder pain syndrome (ic/bps) and formulation thereof

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