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Comparing two protocols for endometrial preparation for frozen embryo transfer

Comparing pregnancy rate in GnRH agonist and letrozole plus gonadotropins protocol for endometrial preparation for frozen embryo transfer

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
IRCT
Registry ID
IRCT201306256689N3
Enrollment
100
Registered
2013-12-31
Start date
2012-08-26
Completion date
Unknown
Last updated
2018-02-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Infertility. Female infertility associated with male factors

Interventions

Intervention 1: First group receives GnRH Agonist (Bucerelin, Aventis, Germany) 500 µg subcutaneously from previous midluteal cycle (21th day). Then Estradiol valerat (Daroopakhsh, Iran, 2 mg) daily o
Siemens Medical Solutions, California, USA) is performed every 4 days. After the observation of at least 8mm endometrial thickness, Progesterone (Cyclogest, Germany, 800 mg) is started vaginally. Afte
Treatment - Drugs
First group receives GnRH Agonist (Bucerelin, Aventis, Germany) 500 µg subcutaneously from previous midluteal cycle (21th day). Then Estradiol valerat (Daroopakhsh, Iran, 2 mg) daily oral is started o
Second group, receives letrozole (Iranhormone, Iran, 5mg daily) orally on 2th day of cycle for five days. Then HMG (Ferring, Germany, 75IU daily) is started on 7 day. After the observation of 18mm fol

Sponsors

Vice Chancellor for Research, Tehran University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 42 Years

Inclusion criteria

Inclusion criteria: Inclusion Criteria: Infertile women 18-42 years old with freeze embryo Exclusion Criteria: 1- Male infertility which needs interventions such as TESE (Testicular Sperm Extraction) or PESA (Percutaneous Epididymal Sperm Aspiration) 2- Endometriosis (stage 3 or 4) 3- Uterine myoma with 4cm size or greater 4- Maternal age greater than 42 years old 5- Fresh embryo

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

MeasureTime frame
Chemical Pregnancy. Timepoint: 16 days after embryonal transfer. Method of measurement: ßhCG titration.

Secondary

MeasureTime frame
Clinical pregnancy. Timepoint: 30 days after embryonal transfer. Method of measurement: Observed gestational sac in transvaginal sonography.;Implantation Rate. Timepoint: 30 days after embryonal transfer. Method of measurement: The number of observed gestational sac in transvaginal sonography / the number of transferred embryos * 100.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDr Sedighe Hoseinimosa

Tehran University of Medical Sciences, Shariati Hospital, Department of Infertility

hoseinimosa@razi.tums.ac.ir+98 21 8800 8810

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026