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    • 8. 发明授权
    • Prophylactic or therapeutic agent for diabetic maculopathy
    • 预防或治疗糖尿病性黄斑病变
    • US08097640B2
    • 2012-01-17
    • US12842391
    • 2010-07-23
    • Noriaki KatoHiroshi NaganoKaori TanikoTakahito Jomori
    • Noriaki KatoHiroshi NaganoKaori TanikoTakahito Jomori
    • A01N43/50
    • A61K31/4166A01K2227/106A01K2267/0362A01K2267/0375C07D491/10G01N33/5088G01N2800/042
    • A prophylactic or therapeutic agent for diabetic maculopathy, which can be administered for a long time and exhibits efficacy in a mechanism different from that of existing medicines. The invention relates to a prophylactic or therapeutic agent for diabetic maculopathy, comprising, as an active ingredient, a compound represented by the general formula: wherein X represents a halogen or a hydrogen atom, R1 and R2 concurrently or differently represent a hydrogen atom or an optionally substituted C1 to C6 alkyl group, or R1 and R2, together with a nitrogen atom bound thereto and optionally another nitrogen atom or an oxygen atom, are combined to form a 5- to 6-membered heterocycle. Preferably, the compound is (2S,4S)-6-fluoro -2′,5′-dioxospiro chroman-4,4′-imidazolidine]-2-carboxamide. The invention also provides a model animal with diabetic maculopathy produced by subjecting a diabetic animal to intraocular ischemia/reperfusion to express edema in a retinal visual cell layer or in a macula lutea.
    • 用于糖尿病性黄斑病变的预防或治疗剂,其可以长时间施用并且以与现有药物不同的机制显示功效。 本发明涉及一种糖尿病性黄斑病变的预防或治疗剂,其特征在于,作为活性成分,含有下列通式表示的化合物:其中,X表示卤素或氢原子,R 1和R 2可以同时或不同地表示氢原子或 任选取代的C 1至C 6烷基,或R 1和R 2与连接的氮原子和任选另外的氮原子或氧原子一起形成5-至6-元杂环。 优选地,该化合物是(2S,4S)-6-氟-2',5'-二氧杂环苯并二氢吡喃-4,4'-咪唑烷] -2-甲酰胺。 本发明还提供了一种通过使糖尿病动物进行眼内缺血/再灌注以在视网膜视细胞层或黄斑黄斑中表达水肿而产生的糖尿病性黄斑变性的模型动物。
    • 9. 发明授权
    • Prophylactic or therapeutic agent for diabetic maculopathy
    • 预防或治疗糖尿病性黄斑病变
    • US07910615B2
    • 2011-03-22
    • US10587320
    • 2005-01-28
    • Noriaki KatoHiroshi NaganoKaori TanikoTakahito Jomori
    • Noriaki KatoHiroshi NaganoKaori TanikoTakahito Jomori
    • A01N43/50
    • A61K31/4166A01K2227/106A01K2267/0362A01K2267/0375C07D491/10G01N33/5088G01N2800/042
    • A prophylactic or therapeutic agent for diabetic maculopathy, which can be administered for a long time and exhibits efficacy in a mechanism different from that of existing medicines. The invention relates to a prophylactic or therapeutic agent for diabetic maculopathy, comprising, as an active ingredient, a compound represented by the general formula: wherein X represents a halogen or a hydrogen atom, R1 and R2 concurrently or differently represent a hydrogen atom or an optionally substituted C1 to C6 alkyl group, or R1 and R2, together with a nitrogen atom bound thereto and optionally another nitrogen atom or an oxygen atom, are combined to form a 5- to 6-membered heterocycle. Preferably, the compound is (2S,4S)-6-fluoro-2′,5′-dioxospiro[chroman-4,4′-imidazolidine]-2-carboxamide. The invention also provides a model animal with diabetic maculopathy produced by subjecting a diabetic animal to intraocular ischemia/reperfusion to express edema in a retinal visual cell layer or in a macula lutea.
    • 用于糖尿病性黄斑病变的预防或治疗剂,其可以长时间施用并且以与现有药物不同的机制显示功效。 本发明涉及一种糖尿病性黄斑病变的预防或治疗剂,其特征在于,作为活性成分,含有下列通式表示的化合物:其中,X表示卤素或氢原子,R 1和R 2可以同时或不同地表示氢原子或 任选取代的C 1至C 6烷基,或R 1和R 2与连接的氮原子和任选另外的氮原子或氧原子一起形成5-至6-元杂环。 优选地,化合物是(2S,4S)-6-氟-2',5'-二氧代螺[苯并二氢吡喃-4,4'-咪唑烷] -2-甲酰胺。 本发明还提供了一种通过使糖尿病动物进行眼内缺血/再灌注以在视网膜视细胞层或黄斑黄斑中表达水肿而产生的糖尿病性黄斑变性的模型动物。