Comparison of clinical efficacy of long- versus short-acting gonadotrophin-releasing hormone agonists for pituitary down regulation in In vitro fertilisation cycles

The Nigerian Postgraduate Medical Journal
Maureen Uche UmemmuoJoseph Ifeanyichukwu Ikechebelu

Abstract

Gonadotrophin-Releasing Hormone agonist (GnRHa) - long and short acting - is used for pituitary down regulation prior to ovarian stimulation in in vitro fertilisation (IVF) treatment. However, there are controversies in the literature as to their effectiveness, dose of gonadotrophin needed subsequently for ovarian stimulation and the clinical outcome. The objective of the study was to compare the efficacy of single-dose long-acting GnRHa - goserelin - and daily dose short-acting GnRHa - buserelin - for pituitary down regulation and their clinical outcome in IVF treatment. : This prospective comparative study was undertaken at the IVF centre in National Hospital Abuja, a public tertiary hospital in Nigeria. A total of 114 IVF patients were consecutively allocated into either long-acting GnRHa - goserelin - 3.6 mg single dose (Group A) or short-acting GnRHa - buserelin - 0.5 mg daily (Group B) both starting on day 21 of the cycle preceding the IVF treatment. The effects on pituitary down regulation and treatment outcomes were compared. Time taken (days) to achieve down regulation (22.6 ± 4.3 vs. 26.1 ± 8.0; P = 0.084) and the mean number of human menopausal gonadotrophin (HMG) doses used (57.7 ± 13.7 vs. 54.2 ± 16.7; P = 0.222) w...Continue Reading

References

Dec 22, 2017·Journal of Assisted Reproduction and Genetics·Jiali CaiJianzhi Ren

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