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Fermented whey-based product improves the quality of life of males with moderate lower urinary tract symptoms: A randomized double-blind study.

Fermented whey-based product improves the quality of life of males with moderate lower urinary tract symptoms: A randomized double-blind study.
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Ausmees K, Ehrlich-Peets K, Vallas M, Veskioja A, Rammul K, Rehema A, Zilmer M, Songisepp E, Kullisaar T,


Ausmees K, Ehrlich-Peets K, Vallas M, Veskioja A, Rammul K, Rehema A, Zilmer M, Songisepp E, Kullisaar T, (click to view)

Ausmees K, Ehrlich-Peets K, Vallas M, Veskioja A, Rammul K, Rehema A, Zilmer M, Songisepp E, Kullisaar T,

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PloS one 2018 02 2313(2) e0191640 doi 10.1371/journal.pone.0191640

Abstract
PURPOSE
The purpose of this research was to evaluate the effect of a specific fermented whey product on lower urinary tract symptoms, main prostate related indices and oxidative stress/inflammatory markers in urine and seminal plasma in men with moderate dysuric symptoms. An additional purpose was to clarify associations between different parameters with special emphasis on pain.

METHODS
This was a prospective randomized double-blind 4-weeks study on men with moderate lower urinary tract symptoms who underwent the evaluation for quality of life at the baseline and at the end of the study. The symptoms were characterized by International Prostate Symptom Score (I-PSS) and National Institutes of Health Chronic Prostatitis Symptom Index (NIH-PSI), the maximum urinary flow and the main prostate-related indices. In order to obtain more comprehensive information about the effects of fermented whey product on systemic oxidative stress marker 8-EPI and seminal plasma inflammatory markers (interleukin-6 and interleukin-8) were also measured.

RESULTS
After 4 weeks consumption of fermented whey product there was a statistically significant decrease of prostate-specific antigen level in serum and systemic stress marker 8-EPI in urine compared to control group. Maximum urinary flow and NIH-PSI all studied scores and sub-scores had also significant improvement. In addition, seminal plasma interleukin-8 level substantially decreased.

CONCLUSIONS
The consumption of special fermented whey product improved urinary function, reduced lower urinary tract symptoms, systemic oxidative stress marker and seminal plasma inflammatory status. Thus it contributed to an improvement of the quality of life in men with moderate lower urinary tract symptoms.

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