JP7184404B2 - Gabaa受容体アロステリックエンハンサーの医薬への使用 - Google Patents
Gabaa受容体アロステリックエンハンサーの医薬への使用 Download PDFInfo
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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
- A61K31/045—Hydroxy compounds, e.g. alcohols; Salts thereof, e.g. alcoholates
- A61K31/05—Phenols
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- A—HUMAN NECESSITIES
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- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/08—Drugs for disorders of the alimentary tract or the digestive system for nausea, cinetosis or vertigo; Antiemetics
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- A61P25/00—Drugs for disorders of the nervous system
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Description
4,4’-ジヒドロキシ-3,3’-ジイソプロピル-5,5’-ジプロピルビフェニル(化合物1)の製造
1H NMR (400 MHz, CDCl3) δ 7.06 (dd, J = 7.6, 1.6 Hz, 1H), 6.97 (dd, J = 7.5, 1.6 Hz, 1H), 6.85 (t, J = 7.6 Hz, 1H), 4.75 (s, 1H), 3.22 - 3.13 (m, 1H), 2.59 - 2.54 (m, 2H), 1.72 - 1.59 (m, 2H), 1.26 (d, J = 6.9 Hz, 6H), 0.99 (t, J = 7.3 Hz, 3H)。
4,4’-ジヒドロキシ-3,3’-ジイソプロピル-5,5’-ジプロピルビフェニル:1H NMR (300 MHz, CDCl3) δ 7.29 (s, 4H), 6.52 (s, 2H), 3.13-3.08 (m, 2H), 2.43-2.40 (m, 4H), 1.51-1.43 (m, 4H), 1.03 (d, 12H), 0.84-0.81 (m, 6H)。
1、化合物1とビフェノール(3,3’,5,5’-テトライソプロピル-4,4’-ビフェノール)の、静脈投与後のラットの脳組織における薬物分布の比較試験
体重200~220gのSDラット72匹をランダムに12群(各時間群6匹)に分け、投与前に12時間絶食させた。化合物1又はビフェノールをそれぞれ45mg/kgの用量で静脈投与し、投与後5分、15分、30分、1時間、2時間及び4時間でそれぞれ犠牲死させ、すぐに脳組織を採取し、氷冷蒸留水で洗い流し、拭い取り、-40℃で凍結保存した。ラット投与後の異なる時点における脳組織中の化合物1又はビフェノールの濃度をLC-MS/MS法により測定して、その結果を表1及び図1に示す。
放射性リガンド([35S] TBPS)受容体の競争的結合による実験にて、試験化合物(10uM)とGABAA受容体との親和力を評価して、その結果を以下の表2に示す。
実験では、体重200~250gの雄性SDラット(西安交通大学から)に、ビフェノール注射液、化合物1注射液及び等体積のブランクをそれぞれ45mg/kgで静脈投与した。静脈投与後1分、3分、5分、10分、15分、30分、60分、90分、120分で、70mg/kgのPTZを腹腔内注射してラットの強直間代性てんかんの発作が誘発された。各薬物群については、各時点ごとに7匹のラットとし、ラットの発作強度は、Racine分類基準に準拠してIII級~V級の発作状態を記録した。また、発作強度に従って点数を記録した。具体的に、発作強度V級を5点として、IV級を4点として、III級を3点として、III級以下を0点として記録した。各群の動物の発作強度は7匹の動物の合計点数であり、その結果を下記の表3に示す。
ラットの海馬をカイニン酸微量注射する方法(KA)によって慢性てんかんの動物モデルを作製した。マウス海馬内に0.2ug(2ul)のKAを脳定位固定装置により注入し、モデル作成後6時間内でマウスがてんかん発作を起こした。モデル作成後3週間では、マウスが次々と自発性てんかん発作を起こした。モデル作成後に自発性てんかん発作を起こしたマウスを2群(n=10)、即ち化合物1投与群および生理食塩水投与群に分けた。モデル作成後2日目に化合物1(100mg/kg)及び等体積の生理食塩水を1日ずつ静脈投与した。モデル作成3週間後から、マウスの自発性てんかんの発作回数を2週間かけて観察した(図2)。観察終了後マウスを犠牲死させ、海馬組織切片を採取し、NeuN染色によりCA1領域のニューロン細胞生存率を統計した(図3)。
Claims (3)
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CN201811011320.1 | 2018-08-31 | ||
CN201811011320.1A CN110870856B (zh) | 2018-08-31 | 2018-08-31 | 一种gabaa受体变构增强剂在医药上的应用 |
PCT/CN2019/095395 WO2020042767A1 (zh) | 2018-08-31 | 2019-07-10 | 一种gabaa受体变构增强剂在医药上的应用 |
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JP2021535217A JP2021535217A (ja) | 2021-12-16 |
JP7184404B2 true JP7184404B2 (ja) | 2022-12-06 |
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US (1) | US11684591B2 (ja) |
EP (1) | EP3845225A4 (ja) |
JP (1) | JP7184404B2 (ja) |
CN (1) | CN110870856B (ja) |
WO (1) | WO2020042767A1 (ja) |
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JP2015521633A (ja) | 2012-07-02 | 2015-07-30 | シーアン リーバン ファーマシューティカル カンパニー リミテッド | 2,2’,6,6’−テトライソプロピル−4,4’−ビフェノール軟カプセル製剤及びその製造方法 |
CN105250316A (zh) | 2015-11-14 | 2016-01-20 | 西安力邦制药有限公司 | 一种含二联苯酚的抗癫痫药物组合 |
JP2018503637A (ja) | 2015-01-13 | 2018-02-08 | シーアン リーバン ファーマシューティカル カンパニー リミテッド | ビフェニル誘導体及びその使用 |
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CN101792462A (zh) * | 2010-03-26 | 2010-08-04 | 陕西合成药业有限公司 | 丙泊酚磷酸酯及其药用盐的制备方法 |
CN101804043B (zh) * | 2010-04-30 | 2012-04-11 | 西安力邦制药有限公司 | 二联苯酚及其衍生物在制备治疗癫痫药物中的应用 |
CN103183587B (zh) | 2013-02-21 | 2014-07-16 | 西安力邦制药有限公司 | 3,3’,5,5’-四异丙基-4,4’-二联苯酚的新晶型及其制备方法 |
CN104546809B (zh) | 2015-01-13 | 2018-08-24 | 西安力邦制药有限公司 | 3,3’,5,5’-四异丙基-4,4’-二联苯酚在预防及治疗缺血性脑卒中中的应用 |
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JP2018503637A (ja) | 2015-01-13 | 2018-02-08 | シーアン リーバン ファーマシューティカル カンパニー リミテッド | ビフェニル誘導体及びその使用 |
CN105250316A (zh) | 2015-11-14 | 2016-01-20 | 西安力邦制药有限公司 | 一种含二联苯酚的抗癫痫药物组合 |
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JP2021535217A (ja) | 2021-12-16 |
CN110870856B (zh) | 2023-03-28 |
WO2020042767A1 (zh) | 2020-03-05 |
EP3845225A1 (en) | 2021-07-07 |
EP3845225A4 (en) | 2022-05-25 |
US11684591B2 (en) | 2023-06-27 |
CN110870856A (zh) | 2020-03-10 |
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