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One-Dose hormone boost may improve IVF success in frozen embryo transfers
NCT ID NCT07653282
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study investigates whether a single dose of a GnRH agonist (triptorelin) given alongside standard progesterone can improve pregnancy outcomes in women undergoing frozen embryo transfer cycles. The trial includes women aged 20-39 with good quality embryos and normal uterine lining. Researchers will compare clinical pregnancy rates, implantation rates, and live birth rates between those receiving the extra hormone dose and those receiving standard care.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- GnRH agonist (triptorelin)
- What this could lead to
- If successful, this could offer a simple, single-dose addition to improve pregnancy rates in frozen embryo transfers.
- What could go wrong
- This is an early-phase study with a moderate sample size, so results may not be conclusive or generalizable. Potential side effects of GnRH agonists include hot flashes and mood changes.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- Participants
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About 122 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Aug 2026
An estimate. Start dates often move.
- Expected to finish
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Aug 2028
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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20 to 39 years
- Sex
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Female participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * 1\. 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 Exclusion Criteria: * 1\. 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
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Assiut University
Asyut, Muslum, Egypt