Cited by 151Dementia and Cognitive Impairment ResearchLipoproteins and Cardiovascular HealthCancer-related cognitive impairment studies

Statins, cognition, and dementia-systematic review and methodological commentary

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Power, Melinda C., Weuve, Jennifer, Sharrett, A. Richey, Blacker, Deborah, Gottesman, Rebecca F.·2015·Nature Reviews Neurology

Abstract

Firm conclusions about whether mid-life or long-term statin use has an impact on cognitive decline and dementia remain elusive. Here, our objective was to systematically review, synthesize and critique the epidemiological literature that examines the relationship between statin use and cognition, so as to assess the current state of knowledge, identify gaps in our understanding, and make recommendations for future research. We summarize the findings of randomized controlled trials (RCTs) and observational studies, grouped according to study design. We discuss the methods for each, and consider likely sources of bias, such as reverse causation and confounding. Although observational studies that considered statin use at or near the time of dementia diagnosis suggest a protective effect of statins, these findings could be attributable to reverse causation. RCTs and well-conducted observational studies of baseline statin use and subsequent cognition over several years of follow-up do not support a causal preventative effect of late-life statin use on cognitive decline or dementia. Given that much of the human research on statins and cognition in the future will be observational, careful study design and analysis will be essential.

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Authors
Power, M. C., Weuve, J., Sharrett, A. R., Blacker, D., & Gottesman, R. F.
Affiliations
  • Johns Hopkins University (US)
  • Rush University Medical Center (US)
  • Harvard University (US)
Corresponding author
Gottesman, Rebecca F.
Venue
Nature Reviews Neurology
Published
2015-03-24
Volume
11
Issue
4
Pages
220-229
ISSN
  • 1759-4758 (ISSN-L)
  • 1759-4766
OpenAlex
W2075092696
Cited by
150
References
100
Citations by year
2026: 9 · 2025: 10 · 2024: 15 · 2023: 20 · 2022: 11 · 2021: 9 · 2020: 15 · 2019: 14 · 2018: 15 · 2017: 19 · 2016: 7 · 2015: 5
FWCI
2.11
Type
journal article
Language
en
Open access
Locations
  • Nature Reviews Neurology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Alzheimer's Drug Discovery Foundation
  • National Institute on Aging (P50AG005134, T32AG027668, P30AG062421)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Surgery › Lipoproteins and Cardiovascular Health
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Cancer-related cognitive impairment studies
Keywords
statins, cognitive decline, dementia, Alzheimer's disease, cognitive impairment, reverse causality, confounding, observational study design, randomized controlled trials
MeSH terms
Adult, Aged, Aged, 80 and over, Cognition Disorders, Dementia, Female, Humans, Male, Middle Aged, Randomized Controlled Trials as Topic, Hydroxymethylglutaryl-CoA Reductase Inhibitors, Observational Studies as Topic

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