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Comparison of IVF outcomes in three protocols: GnRH antagonist, GnRH antagonist stop/GnRH, and clomiphene-gonadotropin protocol in patients with poor ovarian response

Comparison of IVF outcomes in three protocols: GnRH antagonist, GnRH antagonist stop/GnRH, and clomiphene-gonadotropin protocol in patients with poor ovarian response

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT20180409039247N10
Enrollment
90
Registered
2024-06-15
Start date
2024-07-22
Completion date
Unknown
Last updated
2025-09-15

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

Conditions

female infertility. Female infertility

Interventions

Intervention 1: Intervention group 1: Stop GnRH-ag/GnRH-ant regimen In the GnRH regimen, Stop agonist is started in the mid-luteal phase (previous cycle) and stopped with the onset of menstruation and

Sponsors

Tehran University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
40 Years to 49 Years

Inclusion criteria

Inclusion criteria: POR patients according to the Bologna criteria: old age (40 years) or any other risk factor for POR such as endometriosis and ovarian surgery, autoimmune diseases and genetic problems Achieving =3 oocytes with the gnrh antagonist stimulation protocol in the previous cycle Abnormality of ovarian reserve tests (AFC<3-5, AMH<0.5-1.1 ng) in the absence of old age of the mother or abnormality of ovarian reserve BMI below 27 Sperm analysis is normal or has the minimum necessary criteria for ICSI

Exclusion criteria

Exclusion criteria: History Of Autoimmune Diseases, Coagulation Disorders, Uterine Anomalies, Chromosomal And Genetic Disorders, Chronic Renal And Metabolic Diseases, Hypo And Hyperthyroidism, History Of Malignancy, Endometriosis Recurrent Pregnancy Loss Recurrent Implantation Failure

Design outcomes

Primary

MeasureTime frame
The number of follicles above 16 mm, the degree of SYNCHRONY of the follicles, the number and quality of the obtained oocytes (metaphase 1 and 2 and GV). Timepoint: The time to evaluate the results will be on the same day of oocyte retrieval. Method of measurement: Evaluations are performed in IVF lab and recorded by an embryologist.

Secondary

MeasureTime frame
The number and quality of embryos obtained - the total dose of gonadotropins used - and the final cost of treatment. Timepoint: The time to evaluate the results will be on the same day of oocyte puncture. Method of measurement: Evaluation is done by an embryologist.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactMarjan Ghaemibidgoli

Tehran University of Medical Sciences

marjan_ghaemi@yahoo.com+98 21 8800 4858

Outcome results

None listed

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