Mild to Moderate Alzheimer Dementia with Insufficient Neuropathological Changes

被引:90
|
作者
Serrano-Pozo, Alberto [1 ,2 ,10 ]
Qian, Jing [3 ]
Monsell, Sarah E. [4 ,5 ]
Blacker, Deborah [1 ,6 ,7 ]
Gomez-Isla, Teresa [1 ,2 ]
Betensky, Rebecca A. [1 ,7 ]
Growdon, John H. [1 ,2 ]
Johnson, Keith A. [1 ,2 ]
Frosch, Matthew P. [1 ,8 ]
Sperling, Reisa A. [1 ,9 ]
Hyman, Bradley T. [1 ,2 ]
机构
[1] Massachusetts Alzheimer Dis Res Ctr, Charlestown, MA 02129 USA
[2] Massachusetts Gen Hosp, Dept Neurol, Boston, MA 02114 USA
[3] Univ Massachusetts, Div Biostat & Epidemiol, Amherst, MA 01003 USA
[4] Univ Washington, Natl Alzheimers Coordinating Ctr, Seattle, WA 98195 USA
[5] Univ Washington, Dept Epidemiol, Seattle, WA 98195 USA
[6] Massachusetts Gen Hosp, Dept Psychiat, Boston, MA 02114 USA
[7] Harvard Univ, Sch Publ Hlth, Boston, MA 02115 USA
[8] Massachusetts Gen Hosp, CS Kubik Lab Neuropathol, Boston, MA 02114 USA
[9] Brigham & Womens Hosp, Dept Neurol, Boston, MA 02115 USA
[10] Univ Iowa Hosp & Clin, Dept Neurol, Iowa City, IA 52242 USA
关键词
NATIONAL INSTITUTE; DISEASE; PET; AUTOPSY;
D O I
10.1002/ana.24125
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Recently, approximate to 16% of participants in an anti-A passive immunotherapy trial for mild-to-moderate Alzheimer disease (AD) had a negative baseline amyloid positron emission tomography (PET) scan. Whether they have AD or are AD clinical phenocopies remains unknown. We examined the 2005-2013 National Alzheimer's Coordinating Center autopsy database and found that approximate to 14% of autopsied subjects clinically diagnosed with mild-to-moderate probable AD have no or sparse neuritic plaques, which would expectedly yield a negative amyloid PET scan. More than half of these A-negative subjects have low neurofibrillary tangle Braak stages. These findings support the implementation of a positive amyloid biomarker as an inclusion criterion in future anti-A drug trials. Ann Neurol 2014;75:597-601
引用
收藏
页码:597 / 601
页数:5
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