申请人:Bergström Per-Olov
公开号:US20110281894A1
公开(公告)日:2011-11-17
The present invention relates to a hemifumarate salt of the compound (1S)-1-(2-(difluoromethyl)pyridin-4-yl)-4-fluoro-1-(3-(pyrimidin-5-yl)phenyl)-1H-isoindol-3-amine, Form A thereof and its pharmaceutical compositions. In addition, the present invention relates to therapeutic methods for the treatment and/or prevention of Aβ-related pathologies such as Downs syndrome, β-amyloid angiopathy such as but not limited to cerebral amyloid angiopathy or hereditary cerebral hemorrhage, disorders associated with cognitive impairment such as but not limited to MCI (“mild cognitive impairment”), Alzheimer Disease, memory loss, attention deficit symptoms associated with Alzheimer disease, neurodegeneration associated with diseases such as Alzheimer disease or dementia including dementia of mixed vascular and degenerative origin, pre-senile dementia, senile dementia and dementia associated with Parkinson's disease, progressive supranuclear palsy or cortical basal degeneration.
本发明涉及化合物(1S)-1-(2-(二氟甲基)吡啶-4-基)-4-氟-1-(3-(嘧啶-5-基)苯基)-1H-异吲哚-3-胺的半富马酸盐及其A型物形式和其制药组合物。此外,本发明涉及治疗和/或预防与Aβ相关的病理学,如唐氏综合症,β-淀粉样物质血管病,如但不限于脑淀粉样物质血管病或遗传性脑出血,与认知障碍相关的疾病,如但不限于轻度认知障碍(MCI)、阿尔茨海默病、记忆丧失、与阿尔茨海默病相关的注意力缺陷症状、与疾病相关的神经退行性疾病,如阿尔茨海默病或痴呆症,包括混合血管性和退行性起源的痴呆症、早老性痴呆症、老年性痴呆症和与帕金森病、进行性核上性麻痹或皮质基底节变性相关的痴呆症的治疗方法。