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The influence of statin medications on prostate-specific antigen levels.

Publication ,  Journal Article
Hamilton, RJ; Goldberg, KC; Platz, EA; Freedland, SJ
Published in: J Natl Cancer Inst
November 5, 2008

BACKGROUND: Recent data suggest that statin use may be associated with a reduced risk of advanced prostate cancer. However, the influence of statins on prostate-specific antigen (PSA) levels and what effect this could potentially have on prostate cancer diagnosis are unknown. METHODS: We conducted a longitudinal study of 1214 men who were prescribed a statin between 1990 and 2006 at the Durham Veterans Affairs Medical Center who were free of prostate cancer, had not undergone prostate surgery or taken medications known to alter androgen levels and who had at least one PSA value within 2 years before and at least one PSA value within 1 year after starting a statin. The change in PSA from before to after statin treatment was analyzed as a continuous variable using the Wilcoxon signed rank test. The association between change in PSA and change in cholesterol parameters (low-density lipoprotein [LDL], high-density lipoprotein [HDL], and total cholesterol) was analyzed using multivariate linear regression. All statistical tests were two-sided. RESULTS: Mean (SD) age when starting statins was 60.3 (8.3) years; median prestatin PSA concentration was 0.9 (1.9) ng/mL; and mean prestatin LDL cholesterol concentration was 144 (34) mg/dL. After starting a statin, the median LDL decline was 27.5%, and the median PSA decline was 4.1% (P < .001, for both comparisons). Changes in PSA concentration were strongly associated with statin dose and changes in LDL levels. For every 10% decrease in LDL after starting a statin, PSA levels declined by 1.64 (95 % confidence interval [CI] = 0.64% to 2.65%, p = .001). Among men most likely to be under consideration for prostate biopsy (prestatin PSA levels > or =2.5 ng/mL, n = 188), those with >41% declines in LDL (highest quartile) after starting a statin experienced a 17.4% (95% CI = 10.0% to 24.9%) decline in serum PSA. CONCLUSIONS: PSA levels declined by a statistically significant extent after initiation of statin treatment. The reduction was most pronounced among men with the largest LDL declines and those with PSA levels that would make them candidates for prostate biopsy. By lowering PSA levels, statins may complicate cancer detection, although further studies are needed to quantify the clinical significance of this effect.

Duke Scholars

Published In

J Natl Cancer Inst

DOI

EISSN

1460-2105

Publication Date

November 5, 2008

Volume

100

Issue

21

Start / End Page

1511 / 1518

Location

United States

Related Subject Headings

  • Veterans
  • Simvastatin
  • Risk Assessment
  • Pyrroles
  • Prostatic Neoplasms
  • Prostate-Specific Antigen
  • Pravastatin
  • Oncology & Carcinogenesis
  • Multivariate Analysis
  • Middle Aged
 

Citation

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Hamilton, R. J., Goldberg, K. C., Platz, E. A., & Freedland, S. J. (2008). The influence of statin medications on prostate-specific antigen levels. J Natl Cancer Inst, 100(21), 1511–1518. https://doi.org/10.1093/jnci/djn362
Hamilton, Robert J., Kenneth C. Goldberg, Elizabeth A. Platz, and Stephen J. Freedland. “The influence of statin medications on prostate-specific antigen levels.J Natl Cancer Inst 100, no. 21 (November 5, 2008): 1511–18. https://doi.org/10.1093/jnci/djn362.
Hamilton RJ, Goldberg KC, Platz EA, Freedland SJ. The influence of statin medications on prostate-specific antigen levels. J Natl Cancer Inst. 2008 Nov 5;100(21):1511–8.
Hamilton, Robert J., et al. “The influence of statin medications on prostate-specific antigen levels.J Natl Cancer Inst, vol. 100, no. 21, Nov. 2008, pp. 1511–18. Pubmed, doi:10.1093/jnci/djn362.
Hamilton RJ, Goldberg KC, Platz EA, Freedland SJ. The influence of statin medications on prostate-specific antigen levels. J Natl Cancer Inst. 2008 Nov 5;100(21):1511–1518.
Journal cover image

Published In

J Natl Cancer Inst

DOI

EISSN

1460-2105

Publication Date

November 5, 2008

Volume

100

Issue

21

Start / End Page

1511 / 1518

Location

United States

Related Subject Headings

  • Veterans
  • Simvastatin
  • Risk Assessment
  • Pyrroles
  • Prostatic Neoplasms
  • Prostate-Specific Antigen
  • Pravastatin
  • Oncology & Carcinogenesis
  • Multivariate Analysis
  • Middle Aged