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Randomized Controlled Trial
. 2010 Jun;14(6):555-61.

Effect of the treatment with myo-inositol plus folic acid plus melatonin in comparison with a treatment with myo-inositol plus folic acid on oocyte quality and pregnancy outcome in IVF cycles. A prospective, clinical trial

P Rizzo  1 , E Raffone, V Benedetto
Affiliations
  • PMID: 20712264
Randomized Controlled Trial

Effect of the treatment with myo-inositol plus folic acid plus melatonin in comparison with a treatment with myo-inositol plus folic acid on oocyte quality and pregnancy outcome in IVF cycles. A prospective, clinical trial

P Rizzo et al. Eur Rev Med Pharmacol Sci. 2010 Jun.

Abstract

Objective: The aim of the study was to evaluate the efficacy of a treatment with myo-inositol plus folic acid plus melatonin compared with myo-inositol plus folic acid alone on oocyte quality in women underwent in vitro fertilization (IVF) cycles.

Design: A prospective, clinical trial.

Materials and methods: Starting on the day of GnRH administration, 65 women undergoing IVF cycles were randomized in two groups to receive myo-inositol plus folic acid plus melatonin (32 women, group A), and myo-inositol plus folic acid (33 women, group B), administered continuously. Primary endpoints were number of morphologically mature oocytes retrieved (MII oocytes), embryo quality, and pregnancy rate. Secondary endpoints were the total number of oocytes retrieved (immature and mature oocytes), fertilization rate per number of retrieved oocytes and embryo cleavage rate.

Results: The mean number of oocytes retrieved did not differ between the two groups (7.88 +/- 1.76 vs 7.67 +/- 1.88; P=0.65). Whereas the group cotreated with melatonin reported a significantly greater mean number of mature oocytes (6.56 +/- 1.64 vs 5.76 +/- 1.56; P=0.047) and a lower mean number of immature oocytes (1.31 +/- 0.74 vs. 1.91 +/- 0.68; P=0.001). The mean number of embyos of top-quality (class 1 and 2) resulted higher in the group A (1.69 +/- 0.64 vs 1.24 +/- 0.75; P=0.01). Fertilization rate did not differ between the two groups. A total of 22 pregnancies were obtained (13 in group A and 9 in group B; P=0.26). Clinical pregnancy rate and implantation rate were in tendency higher in the group cotreated with melatonin, although the differences did not reach statistical significance. Biochemical pregnancy rate and abortion rate were similar in both groups.

Conclusion: melatonin ameliorates the activity of myo-inositol and folic acid by improving oocyte quality and pregnancy outcome in women with low oocyte quality history.

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