Effect of GnRH Agonist in FET
gnrh agonist
Single Dose of Gonadotropin Releasing Hormone (GnRH)-Agonist as an Adjuvant Luteal Phase Support in Hormone Replacement Therapy (HRT) Frozen Embryo Transfer (FET) Cycles Prospective Comparative Study
1 other identifier
interventional
122
1 country
1
Brief Summary
To evaluate the impact of single dose GnRH agonist administration as luteal phase support on pregnancy outcomes in frozen ICSI cycle
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_1
Started Aug 2026
Typical duration for phase_1
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
June 12, 2026
CompletedFirst Posted
Study publicly available on registry
June 17, 2026
CompletedStudy Start
First participant enrolled
August 1, 2026
ExpectedPrimary Completion
Last participant's last visit for primary outcome
August 1, 2027
Study Completion
Last participant's last visit for all outcomes
August 1, 2028
June 17, 2026
June 1, 2026
1 year
June 12, 2026
June 12, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Clinical pregnancy rate
Presence of ≥1 gestational sac with fetal heartbeat on TVS at 6-7 weeks per embryo transfer.
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Secondary Outcomes (5)
Implantation rate
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Ongoing pregnancy rate
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Early miscarriage rate
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. Live birth rate per ET
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Side effects
basline
Study Arms (2)
Standard HRT protocol only. No additional injection
NO INTERVENTIONarm will not recieve any injection
Standard HRT protocol + Triptorelin 0.1mg subcutaneous injection, administered once 30-60 minutes af
EXPERIMENTALarm will recieve injection
Interventions
women undergoing frozen ICSI cycles receiving progesterone + GnRH agonist for luteal phase support.
Eligibility Criteria
You may qualify if:
- \. Age 20-39 years 2. Undergoing HRT-FET cycle 3. ≥1 good quality embryo available , Gardner ≥3BB 4. Endometrial thickness ≥7mm on day of progesterone start 5. BMI 18-35 kg/m² 6. First or second FET cycle 7. Written informed consent
You may not qualify if:
- \. History of recurrent implantation failure ≥3 failed embryo transfers 2. Severe endometriosis Stage III-IV by ASRM 3. Uterine anomalies, submucous fibroid, or severe adenomyosis distorting cavity 4. History of recurrent pregnancy loss ≥2 consecutive 5. Contraindication or hypersensitivity to GnRH agonist 6. PGT-A cycles 7. Donor oocyte cycles
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Assiut Universitylead
- Woman's Health University Hospital, Egyptcollaborator
Study Sites (1)
Assiut University
Asyut, Muslum, Egypt
Related Publications (3)
Liu Y, Huang K, Chen C, Wen L, Lei M, Guo Y, Tang B. Effect of luteal-phase GnRH agonist on frozen-thawed embryo transfer during artificial cycles: a randomised clinical pilot study. Front Endocrinol (Lausanne). 2023 Jun 9;14:1098576. doi: 10.3389/fendo.2023.1098576. eCollection 2023.
PMID: 37361538RESULTLi S, Li Y. Administration of a GnRH agonist during the luteal phase frozen-thawed embryo transfer cycles: a meta-analysis. Gynecol Endocrinol. 2018 Nov;34(11):920-924. doi: 10.1080/09513590.2018.1480714. Epub 2018 Jul 11.
PMID: 29996682RESULTChang WS, Lin PH, Li CJ, Chern CU, Chen YC, Lin LT, Tsui KH. Additional single dose GnRH agonist during luteal phase support may improve live birth rate in GnRHa-HRT frozen-thawed embryo transfer cycle: a retrospective cohort study. BMC Pregnancy Childbirth. 2023 Mar 14;23(1):174. doi: 10.1186/s12884-023-05491-y.
PMID: 36918869RESULT
Related Links
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- OTHER
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- residant doctor
Study Record Dates
First Submitted
June 12, 2026
First Posted
June 17, 2026
Study Start (Estimated)
August 1, 2026
Primary Completion (Estimated)
August 1, 2027
Study Completion (Estimated)
August 1, 2028
Last Updated
June 17, 2026
Record last verified: 2026-06
Data Sharing
- IPD Sharing
- Will not share