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- Title
Biomarkers of Systemic Inflammation and Risk of Incident, Symptomatic Benign Prostatic Hyperplasia: Results From the Prostate Cancer Prevention Trial.
- Authors
Schenk, Jeannette M.; Kristal, Alan R.; Neuhouser, Marian L.; Tangen, Catherine M.; White, Emily; Lin, Daniel W.; Kratz, Mario; Thompson, Ian M.
- Abstract
The authors conducted a nested case-control study of serum inflammatory markers and risk of symptomatic benign prostatic hyperplasia (BPH), using data from the placebo arm of the Prostate Cancer Prevention Trial (1993–2003). Incident BPH (n = 676) was defined as treatment, report of 2 International Prostate Symptom Score (IPSS) values >14, or 2 increases of ≥5 from baseline values with at least one value ≥12. Controls (n = 683) were men who reported no BPH treatment or IPSS values >7 over the 7-year trial. Baseline serum was analyzed for C-reactive protein, tumor necrosis factor α (monomer), soluble tumor necrosis factor receptors I and II (sTNF-RI and sTNF-RII), interleukin 6, and interferon γ. Controlled for age and race, a high C-reactive protein concentration was associated with increased BPH risk (for quartile 4 vs. quartile 1, odds ratio (OR) = 1.40, 95% confidence interval (CI): 1.04, 1.88); this was attenuated after control for body mass index (OR = 1.30, 95% CI: 0.95, 1.75). Low sTNF-RII and high interleukin 6 concentrations were associated with increased BPH risk (for quartile 4 vs. quartile 1, sTNF-RII: OR = 0.61, 95% CI: 0.46, 0.82; interleukin 6: OR = 1.79, 95% CI: 1.32, 2.42); these associations were only in men aged <65 years. Results suggest that systemic inflammation or lower levels of soluble receptors that bind inflammatory cytokines increase BPH risk.
- Subjects
BIOMARKERS; INFLAMMATION; BENIGN prostatic hyperplasia; TUMOR necrosis factor receptors; C-reactive protein; CLINICAL trials
- Publication
American Journal of Epidemiology, 2010, Vol 171, Issue 5, p571
- ISSN
0002-9262
- Publication type
Article
- DOI
10.1093/aje/kwp406