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Testosterone enhances estradiol's effects on postmenopausal bone density and sexuality
S R Davis1, P McCloud, B J Strauss
1Prince Henry's Institute of Medical Research, Clayton, Victoria, Australia.
Maturitas
|April 1, 1995
Summary
Combined estradiol and testosterone implants significantly improved bone density and sexual function in postmenopausal women. Testosterone therapy enhanced these benefits, offering a valuable treatment for diminished libido and bone loss.
Area of Science:
- Endocrinology
- Bone Health
- Women's Health
Background:
- Menopause is associated with decreased bone mineral density and libido.
- Hormone replacement therapy (HRT) is used to manage menopausal symptoms.
- The role of androgens in postmenopausal women's bone health and sexuality requires further investigation.
Purpose of the Study:
- To investigate the long-term effects of estradiol and testosterone implants on bone mineral density (BMD) and sexuality in postmenopausal women.
- To compare the efficacy of estradiol alone versus combined estradiol and testosterone therapy.
Main Methods:
- A prospective, 2-year, single-blind randomized trial involving 34 postmenopausal women.
- Participants received either estradiol implants (E) or combined estradiol and testosterone implants (E&T).
- Bone mineral density was measured using DEXA; sexuality was assessed using the Sabbatsberg sexual self-rating scale.
Main Results:
- Both treatment groups showed significant increases in BMD at all measured sites.
- The E&T group demonstrated a significantly greater increase in BMD compared to the E group.
- All sexual parameters improved significantly in both groups, with greater improvements observed in the E&T group.
- The E&T group also showed an increase in fat-free mass, while total body fat decreased in both groups.
Conclusions:
- Combined estradiol and testosterone implants are more effective than estradiol alone in increasing BMD in postmenopausal women.
- Testosterone therapy significantly enhances sexual function and libido in postmenopausal women.
- Combined therapy offers a beneficial approach to managing bone density and sexual health in postmenopause, with preserved favorable effects on lipids and body composition.