在阿尔茨海默氏症早期的三项甘特纳鲁马布试验中的日本参与者数据
Takashi Asada1, Angeliki Thanasopoulou2, Paul Delmar2
1Institute of Science Tokyo, Tokyo, Japan.
概括
与全球试验相比,Gantenerumab在日本阿尔茨海默病患者中显示出更大的认知和功能益处. 这些改善,以及粉样蛋白减少,可能与患者的特征有关,如体重和疾病严重程度.
科学领域:
- 神经科学是一个神经科学.
- 药理学 药理学是指药理学的学科.
- 临床试验 临床试验
背景情况:
- 针对粉样蛋白的抗体Gantenerumab在日本个体中进行了评估,这些个体因阿尔茨海默病 (AD) 或轻度AD而出现轻度认知障碍.
- 该调查包括两项全球第三阶段试验 (GRADUATE I/II) 和一项日本第二阶段试验 (JP40959).
研究的目的:
- 评估在日本阿尔茨海默氏症患者群体中甘鲁马布的疗效和安全性.
- 将日本参与者的治疗效果与全球试验中的治疗效果进行比较.
主要方法:
- 日本参与者被纳入全球GRADUATE I/II试验 (n=132) 或在JP40959试验 (n=67) 中随机分配到高剂量甘鲁马布,低剂量甘鲁马布或安慰剂.
- 测量了临床结果,包括认知和功能衰退 (CDR-SB) 和粉样蛋白水平.
主要成果:
- 与全球参与者 (9%) 和JP40959 (-24%) 相比,GRADUATE I/II (日本-GRADUATE) 的日本参与者显示CDR-SB恶化 (42%) 的相对减少更大.
- 粉样蛋白的减少在日本毕业生中比在全球毕业生和JP40959.9中更明显. 较高比例的日本参与者实现了粉样蛋白阴性状态 (72.7%),而不是全球参与者 (27.5%).
- 在日本参与者中,Gantenerumab的耐受性很好,其安全性与全球数据一致.
结论:
- 在不同人群中观察到的治疗反应的差异可能归因于基线体重,粉样蛋白负担和疾病严重程度的变化.
- 甘鲁马布在减缓认知和功能衰退以及降低日本阿尔茨海默病患者的粉样蛋白负担方面表现出潜在的有效性.
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