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Study suggests another look at testosterone-prostate cancer link
Date:4/19/2011

study was small, and none had aggressive or advanced prostate cancer, Morgentaler observed, "These men were rigorously followed. The cancers in these men were typical of the prostate cancers for which men have undergone invasive treatment with surgery or radiation for 25 years. Clearly, the traditional belief that higher testosterone necessarily leads to rapid prostate cancer growth is incorrect."

In a Journal of Urology editorial comment, Martin M. Miner, MD, of the Miriam Hospital and Warren Alpert School of Medicine of Brown University notes the conclusions represent "a remarkable shift in thinking from only five years ago. If testosterone therapy was not associated with disease progression in men with untreated prostate cancer, how concerned must we be about testosterone therapy in men with treated prostate cancer?"

"An increasing number of newly diagnosed men with prostate cancer opting for active surveillance, and with many of them also desiring treatment for their signs and symptoms of testosterone deficiency, the results suggest a reevaluation of the long standing prohibition against offering testosterone therapy to men with prostate cancer," says Morgentaler.

Refraining from testosterone therapy due to unmerited prostate cancer fears may have adverse lifestyle and health consequences, since testosterone therapy in testosterone deficient men has been shown to improve symptoms of fatigue, decreased libido, and erectile dysfunction. Testosterone therapy may also improve mood, blood sugar control, increase muscle, decrease fat, and improve bone density. Four recent studies have shown that men with high testosterone levels appear to live longer than men with low levels, although it has not yet been shown that treating men with testosterone increases longevity.

Morgentaler commented on an Italian study that showed that low levels of testosterone were associated with aggressive prostate cancer. The risk of aggressive cancer wa
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Contact: Jerry Berger
jberger@bidmc.harvard.edu
617-667-7308
Beth Israel Deaconess Medical Center
Source:Eurekalert

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