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MedicalExpress

Print version ISSN 2318-8111On-line version ISSN 2358-0429

Abstract

BOTELHO, Marco Antonio et al. Effects of a transdermal testosterone metered-dose nanoemulsion in peri- and postmenopausal women: a novel protocol for treating low libido. MedicalExpress (São Paulo, online) [online]. 2015, vol.2, n.5, M150503. ISSN 2358-0429.  http://dx.doi.org/10.5935/MedicalExpress.2015.05.03.

OBJECTIVE:

To investigate the efficacy of a transdermal nanoemulsion testosterone associated with transdermal estrogen therapy as a novel protocol treatment for emergent loss of libido.

METHODS:

Twenty-four women, aged 31-75 years (mean age, 51.7), with emergent loss of libido were allocated to treatment with a novel transdermal formulation of 500 µg/day of testosterone (Biolipid/B2®-testosterone) for 12 weeks, as part of an open label prospective study on peri- and post-menopausal women. Subjects applied the formulation on the right forearm. Clinical and laboratorial parameters including the sexual complaints; serum concentrations of testosterone, insulin, C-reactive protein, weight, blood pressure; body mass index and waist circumference were compared between baseline and 12 weeks after treatment.

RESULTS:

The mean total serum testosterone increased significantly (p = 0.009) after 12 weeks of treatment. No adverse or androgenic events were observed. There were positive and significant differences (p < 0.05) on sexual complaints, blood pressure, body mass index and waist circumference after transdermal nanoemulsion testosterone treatment.

CONCLUSION:

This protocol is effective in increasing testosterone levels in peri- and postmenopausal women with low libido.

Keywords : androgen deficiency; menopause; nanotechnology; transdermal delivery; testosterone; nanoparticles.

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