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记能达® (多奈单抗注射液)
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多奈单抗是一种人源化免疫球蛋白 γ1单克隆抗体,针对位于阿尔茨海默病患者体内沉积的淀粉样斑块中的 N3pG 淀粉样蛋白 β。
多奈单抗作用机制
大脑中淀粉样β斑块的沉积是阿尔茨海默病 (AD) 的典型病理生理特征。1-3
多奈单抗是一种免疫球蛋白γ1(IgG1)单克隆抗体:
通过淀粉样蛋白正电子发射断层扫描测量,与安慰剂相比,多奈单抗以剂量和时间依赖性的方式减少了淀粉样蛋白β斑块。4,6
上次审阅日期: 2023年8月23日。
参考文献
1. Raskin J, Cummings J, Hardy J, et al. Neurobiology of Alzheimer's disease: integrated molecular, physiological, anatomical, biomarker, and cognitive dimensions. Curr Alzheimer Res. 2015;12(8):712-22. http://dx.doi.org/10.2174/1567205012666150701103107
2. Querfurth HW, LaFerla FM. Alzheimer’s disease. N Engl J Med. 2010;362(4):329-344. https://doi.org/10.1056/NEJMra0909142
3. Hyman BT, Phelps CH, Beach TG, et al. National Institute on Aging-Alzheimer's Association guidelines for the neuropathologic assessment of Alzheimer's disease. Alzheimers Dement. 2012;8(1):1-13. http://dx.doi.org/10.1016/j.jalz.2011.10.007
4. Data on file, Eli Lilly and Company and/or one of its subsidiaries.
5. DeMattos RB, Lu J, Tang Y, et al. A plaque-specific antibody clears existing β-amyloid plaques in Alzheimer's disease mice. Neuron. 2012;76(5):908-920. http://dx.doi.org/10.1016/j.neuron.2012.10.029
6. Sims JR, Zimmer JA, Evans CD, et al; TRAILBLAZER-ALZ 2 Investigators. Donanemab in early symptomatic Alzheimer disease: the TRAILBLAZER-ALZ 2 randomized clinical trial. JAMA. 2023;330(6):512-527. https://doi.org/10.1001/jama.2023.13239