Cited by 272Dementia and Cognitive Impairment ResearchAlzheimer's disease research and treatmentsAnxiety, Depression, Psychometrics, Treatment, Cognitive Processes

Longitudinal Association of Amyloid Beta and Anxious-Depressive Symptoms in Cognitively Normal Older Adults

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Donovan, Nancy J., Locascio, Joseph J., Marshall, Gad A., Gatchel, Jennifer, Hanseeuw, Bernard J., Rentz, Dorene M., Johnson, Keith A., Sperling, Reisa A. +1 more·2018·American Journal of Psychiatry

Abstract

OBJECTIVE: To understand the role of depressive symptoms in preclinical Alzheimer's disease, it is essential to define their temporal relationship to Alzheimer's proteinopathies in cognitively normal older adults. The study objective was to examine associations of brain amyloid beta and longitudinal measures of depression and depressive symptom clusters in a cognitively normal sample of older adults. METHOD: A total of 270 community-dwelling, cognitively normal elderly individuals underwent baseline Pittsburgh compound B (PiB) positron emission tomography (PET) measures of cortical aggregate amyloid beta and annual assessments with the 30-item Geriatric Depression Scale (GDS). The authors evaluated continuous PiB binding as a predictor of GDS score or GDS cluster, calculated as total scores and mean scores for three GDS item clusters (apathy-anhedonia, dysphoria, and anxiety-concentration), across time (1-5 years; mean=3.8 years) in separate mixed-effects models with backward elimination. Initial predictors included PiB binding, age, sex, Hollingshead score, American National Adult Reading Test (AMNART) score, apolipoprotein E ε4 status, depression history, and their interactions with time. RESULTS: Higher PiB binding predicted accelerated rates of increase in GDS score over time, adjusting for depression history. Higher PiB binding also predicted steeper rates of increase for anxiety-concentration scores, adjusting for depression history and the AMNART score-by-time interaction. In a post hoc model estimating anxiety scores without concentration disturbance items, the PiB binding-by-time interaction remained significant. CONCLUSIONS: Higher amyloid beta burden was associated with increasing anxious-depressive symptoms over time in cognitively normal older individuals. Prior depression history was related to higher but not worsening symptom ratings. These results suggest a direct or indirect association of elevated amyloid beta levels with worsening anxious-depressive symptoms and support the hypothesis that emerging neuropsychiatric symptoms represent an early manifestation of preclinical Alzheimer's disease.

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Authors
Donovan, N. J., Locascio, J. J., Marshall, G. A., Gatchel, J., Hanseeuw, B. J., Rentz, D. M., Johnson, K. A., Sperling, R. A., & Study, F. T. H. A. B.
Affiliations
Brigham and Women's Hospital (US)
Venue
American Journal of Psychiatry
Published
2018-06-01
Volume
175
Issue
6
Pages
530-537
ISSN
  • 0002-953X (ISSN-L)
  • 1535-7228
OpenAlex
W2782579702
Cited by
272
References
37
Citations by year
2026: 21 · 2025: 32 · 2024: 43 · 2023: 35 · 2022: 28 · 2021: 33 · 2020: 42 · 2019: 20 · 2018: 16 · 2012: 1
FWCI
21.49
Type
journal article
Language
en
Open access
Locations
  • American Journal of Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • Digital Access to Libraries (Université catholique de Louvain (UCL), l'Université de Namur (UNamur) and the Université Saint-Louis (USL-B)) (submittedVersion, other-oa)
Funders
  • National Science Foundation
  • Bristol-Myers Squibb
  • Eli Lilly and Company
  • Pfizer
  • Sanofi
  • Biogen
  • Rogers Family Foundation
  • Eisai
  • H. Lundbeck A/S
  • Genentech
  • National Institute on Aging (K23AG058805, R03AG045080, K24AG035007, R01AG027435, R01AG037497, P50AG005134, P01AG036694, P30AG062421)
  • National Institute of Mental Health (R25MH094612)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
Keywords
amyloid-beta, preclinical Alzheimer's disease, depressive symptoms, anxious-depressive symptoms, Pittsburgh compound B PET, cognitively normal older adults, neuropsychiatric symptoms, dysphoria, anxiety, APOE ε4, longitudinal change
MeSH terms
Age Factors, Aged, Anxiety, Brain, Depression, Female, Humans, Longitudinal Studies, Male, Psychiatric Status Rating Scales, Amyloid beta-Peptides

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