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SHorter Treatment of Replacement Therapy for Frozen Embryo Transfer (FET) — ShoRT  

Infertility Clinical Trial

Official title:
Clinical Pregnancy Rate for Frozen Embryo Transfer With Hormonal Replacement Therapy (HRT): a Pilot Study Comparing 1 Versus 2 Weeks of Treatment

Clinical Trial Summary

This is a Single-centre pilot study, randomized, controlled open-label trial with the aim to assess the clinical pregnancy rate and the early pregnancy loss rate between two different schemas for frozen embryo transfer cycles stimulated with HRT. Furthermore, the investigators would like to evaluate the predictivity of pregnancy and early miscarriage by looking at the endocrinological profile (estradiol and progesterone levels) within the endometrial preparation and the day of embryo transfer (ET).

Clinical Trial Description

Women planned for a FET-HRT will be asked to do a blood test day 1 of their cycle in order to evaluate the endocrine profile; those with basal hormonal values will receive 6 mg oral estradiol daily beginning from day 1 of their cycle. On day 7 of the treatment a blood test for the serum hormone evaluation and an ultrasound will be planned in order to evaluate the endometrium thickness; those who will meet the criteria (endometrium thickness ≥7mm) will be randomized. In the 7 days estradiol (E2) arm (A) the study coordinator will plan the FET after 6 days of progesterone supplementation (13 days of E2 intake). In the 14 days E2 arm (B) the team will plan on day 14 of treatment with E2 the serum hormone evaluation and an ultrasound in order to evaluate the endometrium thickness, consequently the FET will be planned after 6 days of progesterone supplementation (after 14 days of E2 intake). Furthermore, all the patients included in the study will undergo a blood test on the day of the transfer for the evaluation of the hormones level. For the assessment of the pregnancy a first blood test will take place 12 days after the ET and a blood test with an ultrasound will take place at 7 weeks for the evaluation of the clinical pregnancy. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03930706
Study type Interventional
Source Universitair Ziekenhuis Brussel
Contact
Status Completed
Phase N/A
Start date October 1, 2018
Completion date March 31, 2021
View Details
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