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Published on: May 30, 2025

Update in testosterone therapy for men.

Giovanni Corona1, Giulia Rastrelli, Gianni Forti

  • 1Andrology and Sexual Medicine Unit, Department of Clinical Physiopathology, University of Florence, Florence, Italy.

The Journal of Sexual Medicine
|June 30, 2011
PubMed
Summary
This summary is machine-generated.

Testosterone replacement therapy (TRT) effectively manages male hypogonadism symptoms and restores testosterone levels. TRT offers benefits like reduced fat mass and improved bone density, with ongoing research into long-term effects.

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Area of Science:

  • Endocrinology
  • Andrology
  • Men's Health

Background:

  • Male hypogonadism involves insufficient testosterone production, impacting sexual function and overall health.
  • Testosterone replacement therapy (TRT) is the standard treatment when fertility is not a concern.

Purpose of the Study:

  • To review the causes of male hypogonadism.
  • To examine available TRT preparations and their clinical outcomes.

Main Methods:

  • Systematic literature search of Medline (1969-2010) and review of clinical data.
  • Overview of diagnostic tools for hypogonadism.
  • Inclusion of meta-analytic studies for TRT outcomes.

Main Results:

  • TRT aims to normalize testosterone levels, alleviate symptoms, and improve body composition (reduced fat mass, increased lean mass).
  • Benefits include improved bone density and mood, with potential positive effects on lipids and glucose metabolism.
  • TRT shows no increased risk of prostate cancer and is a first-line treatment for erectile dysfunction in hypogonadal men.

Conclusions:

  • Testosterone deficiency is common in aging men, linked to physical and sexual frailty.
  • The full clinical significance of low testosterone in older men requires further investigation.
  • Large prospective trials are needed to clarify the long-term impact and optimal management of testosterone deficiency.