A daily 90-microL dose of transdermal testosterone improves self-reported sexual satisfaction for premenopausal women with reduced libido and low serum-free testosterone levels by a mean of 0.8 SSE per month. The rate of SSEs with higher and lower testosterone doses did not differ from that with placebo.
Increases in total and free T in the physiologic range in postmenopausal women were associated with improved sexual satisfaction, well-being, and mood. In this study, aromatase inhibition did not influence any of these outcomes. Short-term transdermal T therapy did not modify fasting lipids, lipoprotein(a), or C-reactive protein.
The proposed key symptoms of the female androgen insufficiency syndrome (FAIS) include reduced libido, diminished well being and lowered mood. The diagnosis of FAIS is made on the basis of these symptoms in the setting of a low serum free testosterone level. However, there is currently no readily available inexpensive assay which reliably measures free testosterone levels in the female range. The diagnosis of FAIS is further complicated by the lack of data demonstrating a minimum serum free testosterone level which, if below this, correlates with the symptoms of FAIS. Despite the complexities involved with defining FAIS, the symptoms have been reported to respond well to testosterone replacement. There is a need for formulations of testosterone therapy specifically designed for use in women, along with clear guidelines regarding optimal therapeutic doses and long-term safety data.
Endogenous testosterone and the adrenal preandrogens per se are not significant independent determinants of circulating high-sensitivity CRP or lipoprotein lipids. Our analyses provide further support for the independent predictive value of low SHBG levels for CVD risk profile and an independent contribution of the menopausal transition to the determination of low-density lipoprotein cholesterol and triglycerides.
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