申请人:Mitsubishi Pharma Corporation
公开号:EP1308438A1
公开(公告)日:2003-05-07
The present invention relates to a urea derivative of the
formula (1)
wherein each symbol is as described in the specification, a pharmaceutically acceptable salt thereof and pharmaceutical use thereof. The compound of the present invention has a C5a receptor antagonistic action and is useful as an agent for the prophylaxis or treatment of diseases or syndromes due to inflammation caused by C5a [e.g., autoimmune diseases such as rheumatism, systemic lupus erythematosus and the like, sepsis, adult respiratory distress syndrome, chronic obstructive pulmonary disease, allergic diseases such as asthma and the like, atherosclerosis, cardiac infarction, brain infarction, psoriasis, Alzheimer's disease and serious organ injury (e.g., pneumonia, nephritis, hepatitis, pancreatitis and the like) due to activation of leukocytes caused by ischemia, trauma, burn, surgical invasion and the like]. In addition, it is useful as an agent for the prophylaxis or treatment of infectious diseases caused by bacteria or virus that invades via a C5a receptor.
本发明涉及一种脲衍生物,其化学式为
式(1)
其中各符号如说明书所述、其药学上可接受的盐及其药物用途。本发明的化合物具有 C5a 受体拮抗作用,可用作预防或治疗由 C5a 引起的炎症导致的疾病或综合征[例如、自身免疫性疾病,如风湿病、系统性红斑狼疮等;败血症;成人呼吸窘迫综合征;慢性阻塞性肺病;过敏性疾病,如哮喘等;动脉粥样硬化;心肌梗塞;脑梗塞;牛皮癣;老年痴呆症;严重器官损伤(如肺炎、肾炎、肝病、心肌梗塞等)、由于缺血、创伤、烧伤、手术创伤等引起的白细胞活化导致的严重器官损伤(如肺炎、肾炎、肝炎、胰腺炎等)]。此外,它还可用作预防或治疗由通过 C5a 受体入侵的细菌或病毒引起的传染性疾病的制剂。