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Gonadotropins and glucocorticoid therapy for "low responders"--a controlled study
D Bider1, J Blankstein, J Levron
1Department of Obstetrics and Gynecology, Chaim Sheba Medical Center, Tel Hashomer, Israel.
Purpose:
A randomized, nonplacebo controlled study was conducted to determine the effect of dexamethasone supplementation to a protocol of gonadotropin therapy in 42 "low-responder patients" aged 32 to 43 years.
Methods:
All underwent at least two previous cycles treated by gonadotropins for unexplained infertility, or anovulation. Human menopausal gonadotropin was started on day 4 of the menstrual cycle combined with dexamethasone 0.5 mg administered nightly, as an adjuvant. A group of "low responders" who did not receive dexamethasone served as the controls. The number of follicles, total amount of gonadotropins used, time required for stimulation, fertilization, peak estradiol levels and pregnancy rate were evaluated.
Results:
The number of developing follicles, estradiol levels, fertilization rate and pregnancy rate did not differ significantly.
Conclusions:
Although certain beneficial effects were observed in the literature in some of the infertile patients treated with corticosteroids, the overall results did not support daily, low-dose dexamethasone (long-acting corticosteroid) as a clinically useful adjuvant therapy for "low responders" during gonadotropin therapy.