Journal
ALZHEIMERS & DEMENTIA
Volume 6, Issue 3, Pages 257-264Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jalz.2010.03.002
Keywords
Alzheimer's disease; Cerebrospinal fluid; Neuroimaging; FDG PET; MRI; Biomarkers; Clinical trial design; Mild cognitive impairment; Cognitive decline
Categories
Funding
- Alzheimer's Disease Neuroimaging Initiative (ADNI) (National Institutes of Health) [U01 AG024904]
- National Institute on Aging
- National Institute of Biomedical Imaging and Bioengineering
- Abbott
- AstraZeneca AB
- Bayer Schering Pharma AG
- Bristol-Myers Squibb
- Eisai Global Clinical Development
- Elan Corporation
- Genentech
- GE Healthcare
- GlaxoSmithKline
- Innogenetics
- Johnson and Johnson
- Eli Lilly and Co.
- Medpace, Inc
- Merck and Co, Inc.
- Novartis AG
- Pfizer Inc
- F Hoffman-La Roche
- Schering-Plough
- Synarc, Inc.
- Wyeth
- U S Food and Drug Administration
- NIH [P30 AG00129, K01 AG030514]
- Dana Foundation
- NATIONAL INSTITUTE ON AGING [P30AG010129, U01AG024904, K01AG030514, U19AG010483] Funding Source: NIH RePORTER
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Background: The Alzheimer's Disease Neuroimaging Initiative Phase 1 (ADNI-1) is a molt site prospective study designed to examine potential cerebrospinal fluid and imaging markers of Alzheimer's disease (AD) and their relationship to cognitive change The objective of this study was to provide a global summary of the overall results and patterns of change observed m candidate markets and clinical measures over the first 2 years of follow-up Methods: Change was summarized for 210 normal controls, 357 mild cognitive impairment. and 162 AD subjects. with baseline and at least one cognitive follow-up assessment Repeated measures and survival models were used to assess baseline biomarker levels as predictors Potential for improving clinical trials was assessed by comparison of precision of markers for capturing change in hypothetical trial designs Results: The first 12 months of complete data on ADNI participants demonstrated the potential for substantial advances in characterizing trajectories of change in a range of biomarkers and clinical outcomes, examining their relationship and timing. and assessing the potential for improvements in clinical trial design Reduced metabolism and greater brain atrophy in the mild cognitive impairment at baseline ale associated with mole rapid cognitive decline and a higher rate of conversion to AD. Use of biomarkers as study entry criteria or as outcomes could reduce the number of participants requited for clinical trials Conclusions: Analyses and comparisons of ADNI data strongly support the hypothesis that measurable change occurs in cerebiospinal fluid. position emission tomography. and magnetic resonance imaging well in advance of the actual diagnosis of AD (C) 2010 The Alzheimer's Association All rights reserved
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