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16 July 2014

Testosterone and Prostate Cancer - a paradigm shift

Testosterone and Prostate Cancer - a paradigm shift

"Bye-bye Androgen Hypothesis, Welcome Saturation Model"

A new era of testosterone and prostate cancer: from physiology to clinical implications. Khera M, Crawford D, Morales A, et al., Eur Urol 2014; 65(1): 115-23.

A long-held belief is that testosterone stimulates development of prostate cancer (PCa) and/or accelerates its growth. This summary gives an overview of an in-depth review of current literature regarding the relationship of serum testosterone and PCa and the effect of testosterone replacement therapy (TRT) on PCa progression and recurrence. Key studies which have refuted the old belief that testosterone has harmful effects on the prostate are presented, along the new testosterone-prostate paradigm known as the saturation model.

14 July 2014

Effects of testosterone deficiency on body composition, strength and sexual function in men

Effects of testosterone deficiency on body composition, strength and sexual function in men
This paper presents the findings from a study that looked at the effects of testosterone on body fat, lean mass, thigh-muscle area and strength, and sexual function in healthy men who had their testosterone levels experimentally reduced. As the majority of estradiol (a form of estrogen) is obtained from testosterone, the concomitant decrease in estradiol was also investigated and the effects differentiated from those of testosterone.
Last updated: 2018
L.ZA.MKT.GM.10.2016.1381