Association of urinary phytoestrogen concentrations with serum concentrations of prostate-specific antigen in the national health and nutrition examination survey

Esther Walser-Domjan, Aline Richard, Monika Eichholzer, Elizabeth A Platz, Jakob Linseisen, Sabine Rohrmann

Research output: Contribution to journalArticle

Abstract

Some clinical trials have shown that high phytoestrogen intake may decrease serum concentrations of prostate-specific antigen (PSA), and phytoestrogens may also lower prostate cancer risk. It was the aim of this study to examine the relationship between the serum PSA level and urine phytoestrogen concentration in generally healthy U.S. men. Eight hundred twenty-four men, 40+ yr old without prostate cancer, who participated in the 2001-2004 NHANES surveys, were included in the analysis. The association of total PSA, free PSA, and PSA ratio [free PSA/total PSA * 100] with concentrations of isoflavones and lignans (standardized for urinary creatinine concentration) was examined using multivariable-adjusted linear and logistic regression models. The linear regression analyses showed no clear association between creatinine-standardized urinary phytoestrogen concentrations and serum total or free PSA levels or PSA ratio. However, the odds of having a PSA ratio

Original languageEnglish (US)
Pages (from-to)813-819
Number of pages7
JournalNutrition and Cancer
Volume65
Issue number6
DOIs
StatePublished - Aug 1 2013

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Phytoestrogens
Nutrition Surveys
Prostate-Specific Antigen
Serum
Linear Models
Creatinine
Prostatic Neoplasms
Logistic Models
Lignans
Isoflavones
Regression Analysis
Clinical Trials
Urine

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics
  • Oncology
  • Cancer Research

Cite this

Association of urinary phytoestrogen concentrations with serum concentrations of prostate-specific antigen in the national health and nutrition examination survey. / Walser-Domjan, Esther; Richard, Aline; Eichholzer, Monika; Platz, Elizabeth A; Linseisen, Jakob; Rohrmann, Sabine.

In: Nutrition and Cancer, Vol. 65, No. 6, 01.08.2013, p. 813-819.

Research output: Contribution to journalArticle

Walser-Domjan, Esther ; Richard, Aline ; Eichholzer, Monika ; Platz, Elizabeth A ; Linseisen, Jakob ; Rohrmann, Sabine. / Association of urinary phytoestrogen concentrations with serum concentrations of prostate-specific antigen in the national health and nutrition examination survey. In: Nutrition and Cancer. 2013 ; Vol. 65, No. 6. pp. 813-819.
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