JP7534795B2 - そう痒症を治療する方法 - Google Patents
そう痒症を治療する方法 Download PDFInfo
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- JP7534795B2 JP7534795B2 JP2021562364A JP2021562364A JP7534795B2 JP 7534795 B2 JP7534795 B2 JP 7534795B2 JP 2021562364 A JP2021562364 A JP 2021562364A JP 2021562364 A JP2021562364 A JP 2021562364A JP 7534795 B2 JP7534795 B2 JP 7534795B2
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- detomidine
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- pruritus
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- 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
- A61K31/4174—Arylalkylimidazoles, e.g. oxymetazolin, naphazoline, miconazole
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
- A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0014—Skin, i.e. galenical aspects of topical compositions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/06—Ointments; Bases therefor; Other semi-solid forms, e.g. creams, sticks, gels
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
- A61P17/04—Antipruritics
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Description
この出願の発明に関連する先行技術文献情報としては、以下のものがある(国際出願日以降国際段階で引用された文献及び他国に国内移行した際に引用された文献を含む)。
(先行技術文献)
(特許文献)
(特許文献1) 米国特許出願公開第2015/313895号明細書
(特許文献2) 国際公開第2012/083397号
(特許文献3) 国際公開第2018/129313号
デトミジンおよびクロニジンの放射性リガンド結合アッセイの比較は、ヒト組換え細胞株を使用して実施された(Eurofins、Taiwan)。結果を表2に示し、50%の阻害が有意な反応を示す。示されたすべての結果は、10μMであり、H4およびSST4受容体の両方に対してデトミジンためのこれまで知られていなかった結合親和性を同定する。
デトミジンおよびクロニジンの細胞および核内受容体の機能的および酵素取り込みアッセイを実施した(Eurofins、France)。試験した最高濃度は、10μmであり、この濃度を超える可能性のある活性は、アッセイでは決定されなかった。結果を表3に示し、αアドレナリン受容体に対するその既知のアゴニスト活性に加えて、デトミジンもH4およびSST4受容体の両方に対してアゴニスト特性を有することを実証している。H4およびSST4アゴニズムの両方がそう痒症の様々なタイプの局所治療のための潜在的な経路として同定されている。
デトミジンがH4アゴニストまたはインバースアゴニストとして機能するかどうかを決定するために、ヒスタミン(既知のH4アゴニスト)、A 943931(既知のH4アンタゴニスト)、およびデトミジンは、HRH4(Eurofins Discover X、USA)のアレスチンによって媒介された定量的測定を提供したGPCRの内在化アッセイを用いてアッセイされた(Eurofins Discover X、USA)。結果を表4に示し、デトミジンがH4アゴニストであることを実証している。
デトミジンの鎮痛効果は、ブタのPNT誘発性神経障害性疼痛で評価された(MD Biosciences/Lahav Institute of Research、Israel)。30頭のブタに麻酔をかけ、背骨の線と平行に横方向に約1cm、背下部の左側の皮膚および筋膜に8~10cmの切開を加えた。筋肉が引っ込められ、坐骨神経が露出した。曝露後、PNTは、坐骨神経束の外側半分、3本の3-0絹糸、それぞれが完全フロイントアジュバントに事前に浸されたものの周りを緩く結ぶ(1~2mm間隔)ことによって誘発された。
実施例1のビヒクルまたは0.10%、0.33%、もしくは1.00%局所製剤の150μlを8匹のマウス(雌4匹、雌4匹)の群の2cm2の領域上で連続5日間(1~5日目)局所的に投与した。追加の8匹のマウスからなる活性対照群に、選択的κ-オピオイドアゴニストであるU-50,488(CAS 67198-13-4)を5日目に単回腹腔内投与した。
二重盲検、ビヒクル制御、ランダム化クロスオーバー設計研究では、そう痒症の治療のために局所的に適用された0.1および1重量%のデトミジン塩酸塩の安全性および有効性が評価される。
Claims (8)
- デトミジンを含み、ヒト対象の慢性そう痒症を局所的かつ実質的に非全身的に治療するための薬学的組成物。
- 前記そう痒症の起源が不明である、または、前記そう痒症が、皮膚科的、神経学的、心因性、または全身性の状態の症状を含むか、または混合起源のものである、請求項1に記載の薬学的組成物。
- 前記皮膚科的状態が、アトピー性皮膚炎、接触性皮膚炎、アレルギー性皮膚炎、脂漏性皮膚炎、鬱滞性皮膚炎(statis dermatitis)、ルブラピラリス性膿疱症、バラ性ピチリア症、座瘡、疱疹状皮膚炎、尋常性天疱瘡、水疱性類天疱瘡、扁平苔癬、結節性痒疹、慢性痒疹、慢性単純性苔癬、苔癬アミロイドーシス、蕁麻疹、肥満細胞症、多形性光発疹、光線性そう痒症、光線性皮膚炎、多形妊婦疹(polymorphic eruption of pregnancy)、好酸球性濾胞炎、皮膚筋炎、色素性そう痒症、硬化性苔癬、掌蹠膿疱症、汗疱症、特発性乾皮症、瘢痕化、やけど、やけどの傷跡、ケロイドの傷跡、肥厚性瘢痕、反応性薬疹、または感染性(infestive)もしくは感染性(infective)起源を含む、または、前記心因性状態が、鬱病、不安症、心因性皮膚むしり症、神経性食欲不振症、または寄生虫妄想を含む、または、前記全身性状態が、慢性腎不全、尿毒症性そう痒症、肝疾患、原発性胆管胆管炎、原発性胆管肝硬変、胆汁うっ滞性黄疸、C型肝炎、妊娠時胆汁うっ滞、多発性赤血球血症、鉄欠乏性貧血、ホジキンリンパ腫、非-ホジキンリンパ腫、多発性骨髄腫、血液またはリンパ増殖性疾患、原発性皮膚リンパ腫、菌状息肉症、皮膚T細胞リンパ腫、悪性腫瘍、形質細胞異形成症、胃カルシノイド腫瘍、甲状腺機能亢進症、甲状腺機能低下症、副甲状腺機能亢進症、ヘモクロマトーシス、セリアック病、全身性ループスエリテマトーデス、全身性硬化症、糖尿病、カルシノイド症候群、皮膚筋炎、強皮症、ショグレン症候群、線状免疫グロブリンA(IgA)疾患、移植片対宿主疾患、ダリエ病、ヘイリー-ヘイリー病、ポルフィリア、またはアミロイドーシスを含む、請求項2に記載の薬学的組成物。
- 前記神経学的状態が、錯感覚性背痛症、腕橈骨そう痒症、帯状疱疹後神経痛、脳卒中、小繊維ニューロパシー、三叉神経栄養症候群、クロイツフェルト・ヤコブ病、化学療法誘発性ニューロパシー、HIV関連ニューロパシー、または多発性硬化症を含む、請求項2に記載の薬学的組成物。
- 前記デトミジンが、デトミジン塩酸塩である、請求項1に記載の薬学的組成物。
- 前記薬学的組成物が、ゲル、クリーム、軟膏、エマルション、エマルゲル、フォーム、懸濁液、またはスプレーパッチを含む、請求項1に記載の薬学的組成物。
- 0.01~5重量%のデトミジンを含む、請求項1に記載の薬学的組成物。
- 前記デトミジンが、1日1回または2回、前記対象に局所的に投与されるものである、請求項1に記載の薬学的組成物。
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962841373P | 2019-05-01 | 2019-05-01 | |
| US62/841,373 | 2019-05-01 | ||
| US201962862481P | 2019-06-17 | 2019-06-17 | |
| US62/862,481 | 2019-06-17 | ||
| US202062960027P | 2020-01-12 | 2020-01-12 | |
| US62/960,027 | 2020-01-12 | ||
| PCT/IB2020/054140 WO2020222188A1 (en) | 2019-05-01 | 2020-05-01 | Methods of treating pruritus |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2022531116A JP2022531116A (ja) | 2022-07-06 |
| JPWO2020222188A5 JPWO2020222188A5 (ja) | 2023-03-10 |
| JP7534795B2 true JP7534795B2 (ja) | 2024-08-15 |
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ID=70614370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021562364A Active JP7534795B2 (ja) | 2019-05-01 | 2020-05-01 | そう痒症を治療する方法 |
Country Status (11)
| Country | Link |
|---|---|
| US (3) | US11185532B2 (ja) |
| EP (1) | EP3962478A1 (ja) |
| JP (1) | JP7534795B2 (ja) |
| KR (1) | KR20220002950A (ja) |
| CN (1) | CN113784712A (ja) |
| AU (1) | AU2020264808B2 (ja) |
| BR (1) | BR112021020962A2 (ja) |
| CA (1) | CA3137267A1 (ja) |
| IL (1) | IL287130B (ja) |
| MX (1) | MX2021012824A (ja) |
| WO (1) | WO2020222188A1 (ja) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7534795B2 (ja) | 2019-05-01 | 2024-08-15 | クレキシオ バイオサイエンシーズ エルティーディー. | そう痒症を治療する方法 |
| US20210220336A1 (en) * | 2020-01-22 | 2021-07-22 | Clexio Biosciences Ltd. | Topical detomidine formulations |
| KR102666721B1 (ko) | 2023-08-31 | 2024-05-16 | 이강용 | 내진구조를 갖는 배터리 보관용 컨테이너 |
| WO2026044692A1 (en) * | 2024-08-30 | 2026-03-05 | Libertas Bio, Inc. | Crystalline solid forms of indane compounds |
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2020
- 2020-05-01 JP JP2021562364A patent/JP7534795B2/ja active Active
- 2020-05-01 BR BR112021020962A patent/BR112021020962A2/pt not_active Application Discontinuation
- 2020-05-01 CA CA3137267A patent/CA3137267A1/en active Pending
- 2020-05-01 MX MX2021012824A patent/MX2021012824A/es unknown
- 2020-05-01 WO PCT/IB2020/054140 patent/WO2020222188A1/en not_active Ceased
- 2020-05-01 KR KR1020217036741A patent/KR20220002950A/ko not_active Ceased
- 2020-05-01 IL IL287130A patent/IL287130B/en unknown
- 2020-05-01 CN CN202080030223.6A patent/CN113784712A/zh active Pending
- 2020-05-01 US US16/864,400 patent/US11185532B2/en not_active Expired - Fee Related
- 2020-05-01 EP EP20724578.8A patent/EP3962478A1/en not_active Withdrawn
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013511534A (ja) | 2009-11-19 | 2013-04-04 | ガルデルマ・ラボラトリーズ・エルピー | 乾癬を治療または予防するためのα2アドレナリン受容体作動薬の使用 |
| WO2018129313A1 (en) | 2017-01-06 | 2018-07-12 | Clexio Biosciences Ltd. | Topical detomidine formulations |
Non-Patent Citations (2)
| Title |
|---|
| α2アゴニスト経皮投与と全身投与でのED50:マウス痒みモデルでの比較検討,日本ペインクリニック学会誌,2006年,Vol.13, No.3 ,p.320, P1-F-2-12 |
| α2アドレナリン受容体作動薬の止痒効果,日本ペインクリニック学会誌,2007年,Vol.14, No.2,p.160-161 |
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| EP3962478A1 (en) | 2022-03-09 |
| JP2022531116A (ja) | 2022-07-06 |
| US20240033252A1 (en) | 2024-02-01 |
| US20220054456A1 (en) | 2022-02-24 |
| BR112021020962A2 (pt) | 2021-12-14 |
| US12239634B2 (en) | 2025-03-04 |
| CA3137267A1 (en) | 2020-11-05 |
| AU2020264808B2 (en) | 2025-01-02 |
| CN113784712A (zh) | 2021-12-10 |
| US11903928B2 (en) | 2024-02-20 |
| WO2020222188A1 (en) | 2020-11-05 |
| AU2020264808A1 (en) | 2021-11-04 |
| MX2021012824A (es) | 2022-10-19 |
| KR20220002950A (ko) | 2022-01-07 |
| IL287130B (en) | 2022-08-01 |
| US11185532B2 (en) | 2021-11-30 |
| IL287130A (en) | 2021-12-01 |
| US20200345698A1 (en) | 2020-11-05 |
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