Long-term statin therapy and CSF cholesterol levels: Implications for alzheimer's disease

Barbara A. Evans, James E. Evans, Stephen P. Baker, Kevin Kane, Joan Swearer, Douglas Hinerfeld, Richard Caselli, Ekaterina Rogaeva, Peter St. George-Hyslop, Majaz Moonis, Daniel A. Pollen

Research output: Contribution to journalArticle

17 Scopus citations

Abstract

Background/Aims: It is not yet established whether statins (lipophilic or hydrophilic) reduce the risk of Alzheimer's disease and, if so, by differentially modifying brain lipid levels. Our aim was to assess changes in brain cholesterol metabolism as reflected in the cerebrospinal fluid (CSF) before and after treatment with either atorvastatin or simvastatin. Methods: We carried out a longitudinal analysis of CSF cholesterol, lathosterol and 24(S)-hydroxycholesterol before and after treatment with maximum doses of statins in 10 asymptomatic subjects, 8 of whom were heterozygous for apolipoprotein E ε4, and in 6 presymptomatic PS1 subjects. Results: Statins initially reduced CSF lathosterol cholesterol and 24(S)-hydroxycholesterol in both PS1 and non-PS1 subjects reaching a nadir at 6-7 months, followed by a return to baseline at 15 months with an overshoot at 2 years, tending to return to baseline thereafter. Conclusions: Possible long-term protective effects of statins are not likely largely related to the temporally-dependent biphasic effects of statin therapy upon the magnitude and direction of changes in CSF lipid levels and their subsequent return to baseline levels.

Original languageEnglish (US)
Pages (from-to)519-524
Number of pages6
JournalDementia and geriatric cognitive disorders
Volume27
Issue number6
DOIs
StatePublished - Jul 1 2009

Keywords

  • Alzheimer's disease
  • Brain lipids
  • Cerebrospinal fluid cholesterol
  • Statins

ASJC Scopus subject areas

  • Geriatrics and Gerontology
  • Cognitive Neuroscience
  • Psychiatry and Mental health

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    Evans, B. A., Evans, J. E., Baker, S. P., Kane, K., Swearer, J., Hinerfeld, D., Caselli, R., Rogaeva, E., St. George-Hyslop, P., Moonis, M., & Pollen, D. A. (2009). Long-term statin therapy and CSF cholesterol levels: Implications for alzheimer's disease. Dementia and geriatric cognitive disorders, 27(6), 519-524. https://doi.org/10.1159/000221835