WO2009142195A1 - 寛解導入維持剤 - Google Patents
寛解導入維持剤 Download PDFInfo
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- WO2009142195A1 WO2009142195A1 PCT/JP2009/059176 JP2009059176W WO2009142195A1 WO 2009142195 A1 WO2009142195 A1 WO 2009142195A1 JP 2009059176 W JP2009059176 W JP 2009059176W WO 2009142195 A1 WO2009142195 A1 WO 2009142195A1
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Definitions
- the present invention relates to a remission maintenance treatment and a remission maintenance therapy for immune diseases.
- Patent Document 1 discloses the use of a diaryl sulfide or diaryl ether compound having a 2-amino-1,3-propanediol structure for adjuvant arthritis.
- Patent Document 1 originally uses a diaryl sulfide or diaryl ether compound having a 2-amino-1,3-propanediol structure in combination with an anti-inflammatory agent such as methotrexate.
- an anti-inflammatory agent such as methotrexate.
- An object of the present invention is to provide a method for maintaining induction of remission of immune diseases with reduced serious side effects and burden on patients.
- the present inventors have found that the use of a sphingosine-1-phosphate receptor agonist can suppress the relapse of an immune disease patient into which remission has been introduced. It came to be completed. That is, the present invention relates to a remission induction maintaining agent after remission induction of an autoimmune disease by a biological agent or a nucleic acid synthesis inhibitor, comprising a sphingosine-1-phosphate receptor agonist as an active ingredient.
- ⁇ Adjuvant control, ⁇ : MTX administered from day 0 to day 10, and MTX discontinued from day 11 onwards, ⁇ : MTX administered from day 0 to day 10 and switched to compound 1 after day 11 (up to day 24) Indicates.
- Fig. 4 represents the effect of switching from MTX to Compound 1 (non-injected limb) in a rat adjuvant arthritis model.
- Adjuvant control ⁇ : MTX administered from day 0 to day 10, and MTX discontinued after day 11; Indicates.
- the pathological histology of the injection limb of a rat adjuvant arthritis model is represented.
- A is adjuvant control (day11)
- B is MTX day0-10 treated group (day11)
- C is adjuvant control (day25)
- D is MTX day0-10 treated group (day25)
- E is MTX day0
- An arrow indicates the inside of the joint cavity.
- the biological agent means a protein, antibody or peptide agent having an effect of inducing remission of an immune disease, such as a soluble TNF receptor fusion protein, antibody or interleukin receptor antagonist.
- an immune disease such as a soluble TNF receptor fusion protein, antibody or interleukin receptor antagonist.
- chimeric anti-TNF ⁇ monoclonal antibody infliximab
- soluble TNF receptor fusion protein etanercept
- human anti-TNF ⁇ monoclonal antibody adalimumab
- humanized anti-IL-6 receptor antibody tocilizumab
- IL- 1 receptor receptor antagonist IL- 1 receptor antagonist
- CTLA-4 Ig fusion protein (avatarcept)
- chimeric anti-CD20 monoclonal antibody rituximab
- nucleic acid synthesis inhibitor means a nucleic acid synthesis inhibitor (including those that inhibit nucleic acid synthesis by inhibiting folic acid synthesis) having an effect of inducing remission of immune diseases, and examples include mizoribine, methotrexate, and leflunomide.
- the method of introducing remission using these drugs varies depending on the type of drug used.
- Sphingosine-1-phosphate has a function as intracellular second messengers, but combines two actions as intercellular mediators, a plurality of G protein-coupled receptor present on the cell membrane surface (E ndothelial D ifferentiation G ene, it has been reported that the information transmitted via the EDG) has been made (non-patent document 1, non-Patent Document 3).
- S1P receptors Edg-1, Edg-3, Edg-5, Edg-6, and Edg-8, and S1P 1 , S1P 3 , S1P 2 , S1P 4 , S1P, respectively. Also called 5 .
- the S1P receptor agonist in the present invention may be a pharmaceutically acceptable salt, and may exhibit an agonist activity by being phosphorylated by a sphingosine-kinase enzyme.
- S1P receptor agonists examples include compounds described in WO03 / 029184, WO03 / 029205, WOO / 04/026817, WO04 / 074297, WO05 / 044780, WO08 / 018427, and WO08 / 018447.
- R 1 represents a hydrogen atom, a halogen atom, an optionally substituted lower alkyl group having 1 to 4 carbon atoms, a hydroxy group, a phenyl group, an aralkyl group (particularly a benzyl group), a lower alkoxy group having 1 to 4 carbon atoms.
- R 4 is a hydrogen atom, halogen atom, lower alkyl group having 1 to 4 carbon atoms, lower alkoxymethyl group having 1 to 4 carbon atoms, lower alkylthiomethyl group having 1 to 4 carbon atoms, hydroxymethyl group, phenyl group or aralkyl.
- X represents O, S, SO or SO 2 ;
- n represents an integer of 1 to 4.
- R 1 represents a hydrogen atom, a halogen atom, an optionally substituted lower alkyl group having 1 to 4 carbon atoms, a hydroxy group, a phenyl group, an aralkyl group (particularly a benzyl group), a lower alkoxy group having 1 to 4 carbon atoms.
- R 4 is a hydrogen atom, halogen atom, lower alkyl group having 1 to 4 carbon atoms, lower alkoxymethyl group having 1 to 4 carbon atoms, lower alkylthiomethyl group having 1 to 4 carbon atoms, hydroxymethyl group, phenyl group or aralkyl.
- R 5 represents a hydrogen atom or a lower alkyl group having 1 to 4 carbon atoms
- X represents O, S, SO or SO 2
- n represents an integer of 1 to 4.
- the S1P receptor agonist is usually administered systemically or locally in an oral or parenteral form, but oral administration is preferred from the viewpoint of reducing the burden on the patient.
- the dose of the S1P receptor agonist varies depending on age, body weight, symptoms, therapeutic effect, administration method, treatment time, etc., but is usually in the range of 0.1 mg to 1000 mg per adult per day. Orally administered several times to several times, or administered parenterally once to several times a day in the range of 0.01 mg to 100 mg per adult per person.
- an S1P receptor agonist When an S1P receptor agonist is administered, it is used as a solid preparation for internal use for oral administration, a liquid preparation for internal use, and an injection, a preparation for external use, a suppository and the like.
- immune disease refers to inflammatory bowel disease, systemic lupus erythematosus, Crohn's disease, nephrotic syndrome, glomerulosclerosis, glomerulonephritis, multiple sclerosis, myasthenia gravis, rheumatoid arthritis, psoriasis, allergic contact Examples include dermatitis and atopic dermatitis.
- remission means that the disease itself is not completely cured, but symptoms (pain, swelling, inflammatory reaction) are temporarily or permanently reduced or eliminated.
- switching refers to using or administering an S1P receptor agonist in place of a biological agent or nucleic acid synthesis inhibitor.
- S1P receptor is used in addition to a biological agent or nucleic acid synthesis inhibitor. Concomitant use of body agonists is not included.
- the reason for the substitution is to prevent the side effects of biological agents or nucleic acid synthesis inhibitors.
- the biological agent or nucleic acid synthesis inhibitor and the S1P receptor agonist may be temporarily used in combination.
- This therapeutic effect not only suppresses the onset of systemic inflammation, but also suppresses its progression at sites where arthritic symptoms have been observed.
- the mechanism by which the S1P receptor agonist acts is understood as follows.
- Biological agents that inhibit inflammation and nucleic acid synthesis inhibitors such as methotrexate act on infiltrated inflammatory cells in joints infiltrated with inflammatory cells such as sensitized T cells and macrophages, and cause inflammatory cells from inside the joint. Exclude. This prevents the progression of inflammation and maintains remission.
- the S1P receptor agonist of the present invention suppresses the invasion of inflammatory cells into the joint, and the subsequent S1P receptor agonist does not use biological agents or nucleic acid synthesis inhibitors. Can maintain remission of inflammation. In other words, if such inflammatory cell infiltration has not occurred in the joint, it is possible to effectively maintain remission of inflammation by using an S1P receptor agonist.
- Example 1 Rat adjuvant arthritis model LEW / CrlCrlj female rat, 0.05 mL of dead M. butyricum (12 mg / mL) suspended in liquid paraffin in the right hind paw skin of 8 weeks old (Charles River Japan) 0.6 mg / animal) was injected to induce arthritis (day 0).
- a drug solution prepared with 0.5% methylcellulose (0.5% MC) was orally administered in an amount of 0.5 mL per 100 g of rat body weight. Only 0.5% MC was administered as an adjuvant control.
- (R) -2-amino-5- [2-chloro-4- (3-trifluoromethylphenylthio) phenyl] -2-methyl-1-pentanol hydrochloride (hereinafter referred to as Compound 1, 1 mg / kg) and administered once daily until day 24.
- the arthritis is evaluated using a volume meter (MK-550, Muromachi Kikai), measuring left and right hindlimb volumes on days 0, 8, 11, 14, 18, 21, 25, and day 0 for each of the right hind limb and left hind limb. The increase in hindlimb volume was determined.
- a pathological specimen hematoxylin eosin staining
- FIG. 3A A histopathological image of the joint between the distal end of the tibia and the tarsal bone is shown in FIG.
- FIG. 3C A histopathological image of the joint between the distal end of the tibia and the tarsal bone is shown in FIG.
- FIG. 3A A histopathological image of the joint between the distal end of the tibia and the tarsal bone is shown in FIG.
- the present invention makes it possible to provide a method for maintaining the induction of remission of immune diseases with reduced side effects and patient burden.
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Abstract
Description
ところで、特許文献1は、アジュバント関節炎に対する2-アミノ-1,3-プロパンジオール構造を有するジアリールスルフィド又はジアリールエーテル化合物の使用について開示している。
しかしながら、特許文献1は、初めから、2-アミノ-1,3-プロパンジオール構造を有するジアリールスルフィド又はジアリールエーテル化合物をメトトレキサートなどの抗炎症剤と併用するものであり、免疫疾患の寛解後に、寛解を維持するために、抗炎症剤から、ジアリールスルフィド又はジアリールエーテル化合物に置き換えることについては全く開示していない。
即ち、本発明は、スフィンゴシン-1-リン酸受容体アゴニストを有効成分とする、生物学的薬剤又は核酸合成阻害剤による自己免疫疾患の寛解導入後の寛解導入維持剤に関する。
核酸合成阻害剤とは、免疫疾患の寛解導入効果を有する核酸合成阻害剤(葉酸合成阻害により核酸合成を阻害するものも含む)を意味し、例えば、ミゾリビンや、メトトレキサート、レフルノミドが挙げられる。
本発明におけるS1P受容体アゴニストは、薬学的に許容可能な塩であってよく、またスフィンゴシン-キナーゼ酵素によってリン酸化されることによりアゴニスト活性を示すものでもよい。
R1は、水素原子、ハロゲン原子、ハロゲン置換しても良い炭素数1~4の低級アルキル基、ヒドロキシ基、フェニル基、アラルキル基(特に、ベンジル基など)、炭素数1~4の低級アルコキシ基、トリフルオロメチルオキシ基、置換基を有しても良いフェノキシ基、シクロヘキシルメチルオキシ基、置換基を有しても良いアラルキルオキシ基、ピリジルメチルオキシ基、シンナミルオキシ基、ナフチルメチルオキシ基、フェノキシメチル基、ヒドロキシメチル基、ヒドロキシエチル基、炭素数1~4の低級アルキルチオ基、炭素数1~4の低級アルキルスルフィニル基、炭素数1~4の低級アルキルスルホニル基、ベンジルチオ基、アセチル基、ニトロ基又はシアノ基を示し、
R2は、水素原子、ハロゲン原子、ハロゲン置換しても良い炭素数1~4の低級アルキル基、炭素数1~4の低級アルコキシ基、アラルキル基又はアラルキルオキシ基を示し、
R3は、水素原子、ハロゲン原子、トリフルオロメチル基、炭素数1~4の低級アルキル基、炭素数1~4の低級アルコキシ基、ヒドロキシ基、ベンジルオキシ基、フェニル基、炭素数1~4の低級アルコキシメチル基又は炭素数1~4の低級アルキルチオ基を示し、
R4は、水素原子、ハロゲン原子、炭素数1~4の低級アルキル基、炭素数1~4の低級アルコキシメチル基、炭素数1~4の低級アルキルチオメチル基、ヒドロキシメチル基、フェニル基又はアラルキル基を示し、
Xは、O、S、SO又はSO2を示し、
Yは、-CH2O-、-CH2-、-CH=CH-、-CH=CF-、-CH2CH2-、-CH2CFH-、-CH2CF2-又はCH(OH)CF2-を示し、
nは、1~4の整数を示す。)
で表される化合物又はその薬学的に許容される塩、又は次式、
R1は、水素原子、ハロゲン原子、ハロゲン置換しても良い炭素数1~4の低級アルキル基、ヒドロキシ基、フェニル基、アラルキル基(特に、ベンジル基など)、炭素数1~4の低級アルコキシ基、トリフルオロメチルオキシ基、置換基を有しても良いフェノキシ基、シクロヘキシルメチルオキシ基、置換基を有しても良いアラルキルオキシ基、ピリジルメチルオキシ基、シンナミルオキシ基、ナフチルメチルオキシ基、フェノキシメチル基、ヒドロキシメチル基、ヒドロキシエチル基、炭素数1~4の低級アルキルチオ基、炭素数1~4の低級アルキルスルフィニル基、炭素数1~4の低級アルキルスルホニル基、ベンジルチオ基、アセチル基、ニトロ基又はシアノ基を示し、
R2は、水素原子、ハロゲン原子、ハロゲン置換しても良い炭素数1~4の低級アルキル基、炭素数1~4の低級アルコキシ基、アラルキル基又はアラルキルオキシ基を示し、
R3は、水素原子、ハロゲン原子、トリフルオロメチル基、炭素数1~4の低級アルキル基、炭素数1~4の低級アルコキシ基、ヒドロキシ基、ベンジルオキシ基、フェニル基、炭素数1~4の低級アルコキシメチル基又は炭素数1~4の低級アルキルチオ基を示し、
R4は、水素原子、ハロゲン原子、炭素数1~4の低級アルキル基、炭素数1~4の低級アルコキシメチル基、炭素数1~4の低級アルキルチオメチル基、ヒドロキシメチル基、フェニル基又はアラルキル基を示し、
R5は、水素原子又は炭素数1~4の低級アルキル基を示し、
Xは、O、S、SO又はSO2を示し、
Yは、-CH2O-、-CH2-、-CH=CH-、-CH=CF-、-CH2CH2-、-CH2CFH-、-CH2CF2-又はCH(OH)CF2-を示し、
nは、1~4の整数を示す。)
で表される化合物又はその薬学的に許容される塩が挙げられる。
本発明において寛解とは、病気そのものは完全に治癒していないが、症状(痛み、腫れ、炎症反応)が一時的にあるいは永続的に軽減又は消失することを意味する。
特に理論に拘束される分けではないが、本発明において、S1P受容体アゴニストが作用する機構は以下のように理解される。炎症を阻害する生物学的薬剤や、メトトレキサートなどの核酸合成阻害剤は、感作T細胞やマクロファージなどの炎症細胞が浸潤した関節において、侵入した炎症細胞に作用して、関節内より炎症細胞を排除する。これにより、炎症の進行が防止され、寛解が維持される。それ以降においては、本発明のS1P受容体アゴニストは、関節内に炎症細胞の侵入を押さえることにより、生物学的薬剤や核酸合成阻害剤を使用しなくても、S1P受容体アゴニストにより、その後の炎症の寛解を維持させることができる。換言すれば、そのような炎症細胞の浸潤が関節内に起こっていなければ、S1P受容体アゴニストを使用することにより、炎症の寛解を効果的に維持することが可能である。
ラットアジュバント関節炎モデル
LEW/CrlCrlj系雌性ラット、8週齢(日本チャールス・リバー)の右後肢足蹠部皮内に、流動パラフィンに懸濁したM.butyricum死菌(12mg/mL)を0.05mL(0.6mg/匹)ずつ注射し、関節炎を惹起した(day0)。0.5%メチルセルロース(0.5%MC)で調製した薬物液をラットの体重100g当り0.5mLずつ経口投与した。アジュバントコントロールには0.5%MCのみを投与した。メトトレキサレート(MTX、シグマ)0.1mg/kgをday0からday10まで1日1回、連日投与した。Day11からは(R)-2-アミノ-5-[2-クロロ-4-(3-トルフルオロメチルフェニルチオ)フェニル]-2-メチル-1-ペンタノール塩酸塩(以下、化合物1、1mg/kg)に切り替え、day24まで1日1回、連日投与した。関節炎の評価は、ボリュームメーター(MK-550、室町機械)を用いて、左右後肢容積をday0、8、11、14、18、21、25に測定し、右後肢、左後肢のそれぞれについてday0の後肢容積に対する増加量を求めて行った。また、脛骨遠位端と足根骨間の関節の病理標本(ヘマトキシリンエオジン染色)を作製し、関節内への炎症細胞浸潤を評価した。
注射肢では、day8の時点でアジュバント注射による関節炎症状が認められ、day11以降は全身性の炎症が加わり更に関節炎症状が進展した(図1)。MTXをday0からday10まで投与した群では、day8からday11まで足容積増加は認められず関節炎の進行が抑制されていたが、MTX を中止すると関節炎症状が進展した(図1)。MTXをday0からday10まで投与して関節炎を抑制した後に化合物1に切り替えた群では、関節炎の進展が抑制された(図1)。
MTXは関節炎を抑制するが、MTXを中止すると直ちに関節炎は進展した。S1P受容体アゴニストである化合物1は、MTXで関節炎症状を抑制した状態を維持した。
なお、非注射肢においてもMTXをday0からday10まで投与して関節炎を抑制した後に化合物1に切り替えた群では、関節内への炎症細胞浸潤が抑制されていた。
Claims (5)
- スフィンゴシン-1-リン酸受容体アゴニストを有効成分とする、生物学的薬剤又は核酸合成阻害剤による免疫疾患の寛解導入後の寛解導入維持剤。
- 生物学的薬剤が、可溶型TNF受容体融合タンパク、抗体又はインターロイキン受容体拮抗薬である請求項1記載の寛解導入維持剤。
- 核酸合成阻害剤が、ミゾリビン、メトトレキサート又はレフルノミドである請求項1記載の寛解導入維持剤。
- 生物学的薬剤又は核酸合成阻害剤により免疫疾患の寛解導入を行った後、スフィンゴシン-1-リン酸受容体アゴニストを投与することを特徴とする寛解導入維持方法。
- 生物学的薬剤又は核酸合成阻害剤により免疫疾患の寛解導入を行った後に用いる寛解導入維持剤の製造のためのスフィンゴシン-1-リン酸受容体アゴニストの使用。
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EP2109364A4 (en) * | 2006-12-15 | 2010-04-14 | Abbott Lab | NOVEL OXADIAZONE COMPOUNDS |
-
2009
- 2009-05-19 CN CN2009801289158A patent/CN102123735A/zh active Pending
- 2009-05-19 MX MX2010012676A patent/MX2010012676A/es unknown
- 2009-05-19 AU AU2009250509A patent/AU2009250509A1/en not_active Abandoned
- 2009-05-19 JP JP2010513022A patent/JPWO2009142195A1/ja not_active Ceased
- 2009-05-19 WO PCT/JP2009/059176 patent/WO2009142195A1/ja active Application Filing
- 2009-05-19 EP EP09750557A patent/EP2305305A4/en not_active Withdrawn
- 2009-05-19 RU RU2010147292/15A patent/RU2505288C2/ru not_active IP Right Cessation
- 2009-05-19 US US12/993,187 patent/US20110152275A1/en not_active Abandoned
- 2009-05-19 TW TW098116514A patent/TW201000109A/zh unknown
- 2009-05-19 NZ NZ589412A patent/NZ589412A/xx not_active IP Right Cessation
- 2009-05-19 CA CA2724592A patent/CA2724592A1/en not_active Abandoned
- 2009-05-19 KR KR1020107028421A patent/KR20110010638A/ko not_active Application Discontinuation
- 2009-05-19 MY MYPI2010005382A patent/MY154685A/en unknown
- 2009-05-19 BR BRPI0908638A patent/BRPI0908638A2/pt not_active IP Right Cessation
- 2009-05-19 SG SG2013039755A patent/SG191598A1/en unknown
-
2010
- 2010-11-18 IL IL209441A patent/IL209441A0/en unknown
- 2010-11-19 ZA ZA2010/08340A patent/ZA201008340B/en unknown
- 2010-12-17 CO CO10158973A patent/CO6280501A2/es not_active Application Discontinuation
- 2010-12-20 MA MA33443A patent/MA32593B1/fr unknown
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WO2003029205A1 (fr) | 2001-09-27 | 2003-04-10 | Kyorin Pharmaceutical Co., Ltd. | Derive de sulfure de diaryle, son sel d'addition et immunosuppresseur |
WO2003029184A1 (fr) | 2001-09-27 | 2003-04-10 | Kyorin Pharmaceutical Co., Ltd. | Derive d'ether de diaryle, son sel d'addition et son immunosuppresseur |
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"Guideline for the Implementation of TNF-Inhibitory Therapy for Rheumatoid Arthritis (RA) (Revised Edition)" |
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See also references of EP2305305A4 |
TAKAHIRO OCHI: "Nippon Rinsho Kansetsu Rheumatism -Seiin Kenkyu kara Chiryo no Shin Jidai e", GAIRONTEKI JIKO HONPO KANSETSU RHEUMATISM GUIDE LINE, vol. 63, no. 1, 2005, pages 439 - 443, XP008141241 * |
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---|---|---|---|---|
US8476305B2 (en) | 2008-02-07 | 2013-07-02 | Kyorin Pharmaceutical Co., Ltd. | Therapeutic agent or prophylactic agent for inflammatory bowel disease comprising amino alcohol derivative as active ingredient |
Also Published As
Publication number | Publication date |
---|---|
BRPI0908638A2 (pt) | 2015-10-06 |
CA2724592A1 (en) | 2009-11-26 |
CO6280501A2 (es) | 2011-05-20 |
CN102123735A (zh) | 2011-07-13 |
MX2010012676A (es) | 2011-05-10 |
SG191598A1 (en) | 2013-07-31 |
AU2009250509A1 (en) | 2009-11-26 |
RU2505288C2 (ru) | 2014-01-27 |
NZ589412A (en) | 2012-11-30 |
EP2305305A4 (en) | 2013-02-13 |
EP2305305A1 (en) | 2011-04-06 |
IL209441A0 (en) | 2011-01-31 |
MA32593B1 (fr) | 2011-09-01 |
AU2009250509A8 (en) | 2011-05-12 |
ZA201008340B (en) | 2011-08-31 |
RU2010147292A (ru) | 2012-06-27 |
KR20110010638A (ko) | 2011-02-01 |
MY154685A (en) | 2015-07-15 |
TW201000109A (en) | 2010-01-01 |
US20110152275A1 (en) | 2011-06-23 |
JPWO2009142195A1 (ja) | 2011-09-29 |
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