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    • 9. 发明授权
    • Retinoic acid agonists as preventive and therapeutic agents for nephritis
    • 视黄酸激动剂作为肾炎的预防和治疗剂
    • US06355669B1
    • 2002-03-12
    • US09529675
    • 2000-04-18
    • Toshihiko YamauchiAkira IshibashiNaoki TokuharaMitsuo Nagai
    • Toshihiko YamauchiAkira IshibashiNaoki TokuharaMitsuo Nagai
    • A61K3140
    • A61K31/695A61K31/00A61K31/40A61K31/4025A61K31/4155A61K31/498A61K31/55
    • The present invention provides a therapeutic or prophylactic agent as a substitute for conventional steroids or immunosuppressive agents to treat or prevent systemic erythematosus, glomerulonephritis, lupus nephritis, idiopathic thrombocytopenic purpura or autoimmune anemia. The agent comprises a retinoic acid receptor agonist, specifically a retinoic acid receptor subtype &agr; (RAR&agr;) agonist, including for example: (1) carboxylic acid compounds having condensed rings represented by the following formula:  (wherein the rings L and M are condensed, are the same as or different from each other, and represent an aromatic hydrocarbon which may have a substituent group or a heterocycle which may have a substituent group; the rings A and B are independent of each other and represent an aromatic hydrocarbon ring or heterocycle which may have a substituent group; and D represents a carboxyl group which may have a protective group), (2) 4-{[(3,5-bistrimethylsilylphenyl)carbonyl]amino}benzoic acid, 4-{2-[5-(3-methoxymethyl-5,6,7,8-tetrahydro-5,5,8,8-tetramethylnaphthalene-2-yl)pyrrolyl]}benzoic acid, etc.
    • 本发明提供治疗或预防药物作为常规类固醇或免疫抑制剂的替代物,用于治疗或预防全身性红斑狼疮,肾小球性肾炎,狼疮性肾炎,特发性血小板减少性紫癜或自身免疫性贫血。 该试剂包括视黄酸受体激动剂,特别是视黄酸受体亚型α(RARα)激动剂,包括例如:(1)具有由下式表示的稠环的羧酸化合物:(其中环L和M缩合, 表示可以具有取代基的芳香族烃或可以具有取代基的杂环,环A和B彼此独立地表示芳香族烃环或杂环, 可以具有取代基; D表示可具有保护基的羧基),(2)4 - {[(3,5-双三甲基甲硅烷基苯基)羰基]氨基}苯甲酸,4- {2- [5- 3-甲氧基甲基-5,6,7,8-四氢-5,5,8,8-四甲基萘-2-基)吡咯基]}苯甲酸等