Testosterone therapy can offer benefits in sexual function, physical performance, and bone density in aging men, with no significant increase in risks for cardiovascular events or prostate cancer, though conflicting data suggest careful, individualized treatment is necessary.
Key Findings
Results
Testosterone therapy demonstrated benefits in sexual function among older men with testosterone deficiency.
Evidence drawn from the Testosterone Trials (TTrials) and the TRAVERSE trial (Testosterone Replacement Therapy for Assessment of Long-term Vascular Events and Efficacy Response in Hypogonadal Men)
Sexual function was identified as one of the primary domains showing improvement with testosterone replacement therapy
Benefits were observed in the context of age-related symptoms including decreased libido
Results
Testosterone therapy was associated with improvements in physical performance in aging men.
Physical performance improvements were documented alongside sexual function and bone density benefits
Age-related symptoms addressed included muscle weakness, which is a target outcome for testosterone replacement
Findings were supported by major clinical trials including the Testosterone Trials
Results
Testosterone therapy improved bone density in older men with testosterone deficiency.
Bone density was identified as one of three primary benefit domains alongside sexual function and physical performance
Results were supported by evidence from both the Testosterone Trials and the TRAVERSE trial
Bone density improvements are clinically relevant given the aging population's susceptibility to osteoporosis
Results
Testosterone therapy showed no significant increase in risk for cardiovascular events in older men.
The TRAVERSE trial (Testosterone Replacement Therapy for Assessment of Long-term Vascular Events and Efficacy Response in Hypogonadal Men) was specifically designed to assess long-term vascular events
No significant increase in cardiovascular event risk was identified across the reviewed studies
This finding was noted despite the review population being older men, who may have existing health conditions
Results
Testosterone therapy was not associated with a significant increase in prostate cancer risk.
No significant increase in prostate cancer risk was found in studies including the Testosterone Trials and TRAVERSE trial
This addresses a historically cited concern about androgen-driven prostate cancer promotion
The finding supports the safety profile of testosterone therapy with respect to prostate malignancy
Discussion
Conflicting data in the literature necessitate careful, individualized treatment approaches for testosterone therapy in older men.
The review identified conflicting data across studies regarding the overall risk-benefit profile of testosterone therapy
Individualized treatment was deemed especially necessary for older men with existing health conditions
The review highlights that the increasing use of testosterone therapy must be balanced against patient-specific factors
Background
Testosterone therapy use in aging men is increasing, driven by the need to address age-related symptoms.
Age-related symptoms prompting therapy include decreased libido, muscle weakness, and anemia
The review characterizes the trend as an 'increasing use of testosterone therapy in aging men'
Anemia is listed among the target symptoms, alongside more commonly cited sexual and physical symptoms
McMahon A, Fantus R. (2025). Testosterone Replacement Therapy for Testosterone Deficiency in Older Men.. Clinics in geriatric medicine. https://doi.org/10.1016/j.cger.2025.01.002