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Cited by 225

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A Neuropsychological Test Battery for Use in Alzheimer Disease Clinical Trials

Harrison, John, Minassian, Sonia L., Jenkins, Lisa, Black, Ronald S., Koller, Martin, Grundman, Michael·2007·Archives of Neurology

Abstract

OBJECTIVE: To report the psychometric properties of an alternative instrument to the cognitive subscale of the Alzheimer's Disease Assessment Scale, a neuropsychological test battery (NTB) for measuring drug efficacy in Alzheimer disease clinical trials. DESIGN: The NTB was evaluated in a randomized, double-blind, placebo-controlled trial of AN1792(QS-21) (synthetic beta-amyloid plus an adjuvant) (300 patients) and isotonic sodium chloride solution (72 patients). The test-retest reliability of the NTB was examined, and the NTB was correlated with other cognitive (cognitive subscale of the Alzheimer's Disease Assessment Scale and Mini-Mental State Examination) and functional (Disability Assessment Scale for Dementia and Clinical Dementia Rating Sum of Boxes) measures. In addition, a factor analysis was performed on NTB components. Finally, the sensitivity of the NTB to change was assessed as a function of Mini-Mental State Examination performance. RESULTS: The NTB had high test-retest reliability at 6 (Pearson product moment correlation [r] = 0.92) and 12 (r = 0.88) months. Internal consistency was high (Cronbach alpha = 0.84). The correlations between the NTB z score and scores on traditional measures of cognition and function were significantly different from 0 (P < .001). A factor analysis yielded "memory" and "executive function" factors. The NTB z score declined linearly over 1 year in patients receiving placebo and, in contrast to the Alzheimer's Disease Assessment Scale cognitive subscale, demonstrated similar declines in patients with high (21-26) and low (15-20) Mini-Mental State Examination scores at baseline. CONCLUSIONS: The NTB exhibits excellent psychometric properties and seems to be a reliable and sensitive measure of cognitive change in patients with mild to moderate Alzheimer disease. The psychometric properties of the NTB suggest that it may have particular utility in evaluating drug efficacy in clinical trials in which patients with mild Alzheimer disease are included.

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Metadata

Authors
Harrison, J., Minassian, S. L., Jenkins, L., Black, R. S., Koller, M., & Grundman, M.
Venue
Archives of Neurology
Published
2007-09-01
Volume
64
Issue
9
Pages
1323
ISSN
0003-9942 (ISSN-L)
OpenAlex
W2109031511
Cited by
225
References
3
FWCI
7.10
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: A Neuropsychological Test Battery for Use in Alzheimer Disease Clinical Trials. https://app.cochat.ai/papers/10.1001/archneur.64.9.1323
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Harrison, J., Minassian, S. L., Jenkins, L., Black, R. S., Koller, M., & Grundman, M. (2007). A Neuropsychological Test Battery for Use in Alzheimer Disease Clinical Trials. Archives of Neurology. https://doi.org/10.1001/archneur.64.9.1323

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