Simpler embryo thawing method could boost IVF success
NCT ID NCT07088640
First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time
Summary
This study tests whether a simpler, single-step thawing method for frozen embryos works as well as or better than the standard multi-step method. About 816 women undergoing IVF will have their embryos thawed using one of the two methods. The main goal is to see if the simpler method leads to more live births.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- procedure: single-step warming protocol for blastocyst thawing
- What this could lead to
- If successful, this simpler thawing method could improve pregnancy rates, reduce waiting time for patients, and lower lab workload.
- What could go wrong
- This is a single-center trial, and the simpler method may not improve live birth rates or could even reduce them compared to the standard approach.
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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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 816 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2025
- Expected to finish
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Mar 2027
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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18 years and older
- Sex
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Female participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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: * Women aged from 18 * Undergoing no more than 3 previous IVF/ICSI cycles * Had at least a single good-quality blastocyst frozen. * Endometrium preparation using artificial cycle * Agree to single blastocyst transfer * Not participating in any interventional studies at the same time Exclusion Criteria: * Embryos from cycles after in-vitro maturation, pre-implantation genetic testing (PGT) * Having contraindications for exogenous hormone administration (e.g., breast cancer, thromboembolic disease) * Having uterine abnormalities (e.g., adenomyosis, intrauterine adhesions, unicornuate/ bicornuate/ arcuate uterus; unremoved hydrosalpinx or endometrial polyp)
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Conditions
The condition(s) this trial relates to.
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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My Duc Hospital
RECRUITINGHo Chi Minh City, City, 7000, Vietnam
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