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Embryo biopsy safety check: do kids grow normally?

NCT ID NCT07349966

Knowledge-focused Sponsor: IRCCS San Raffaele Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only This study
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether taking a small sample from an embryo (blastocyst biopsy) for genetic testing affects a child's growth in the first year of life. Researchers will compare children born after this procedure to those born without it. Parents will fill out a questionnaire about their child's health and growth.

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.

Participants

About 330 people

The number the study aims to enrol. It can still change while the study runs.

Started

Mar 2026

Expected to finish

Oct 2028

An estimate. End dates often move.

Lead sponsor

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.

Who is studied

The study will involve a total of 330 children born as single live births after their mothers underwent assisted reproduction technology (ART) treatment. The participant population includes: * Cases: 110 children born as single live births after their mothers underwent a PGT cycle followed by frozen embryo transfer (FET). * Controls: 220 children born as single live births after their mothers underwent only FET.

Ages

Up to 60 months

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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 for Cases: * Child: Has completed the first year of life at the time of data collection. * Child: Does not have any pre-existing medical conditions that significantly affect growth (weight and height). * Mother: Able to provide informed consent for participation in the study. * Mother: Conceived between the ages of 18 and 43. * Mother: Achieved a singleton live birth with a single gestational sac. * Mother: Underwent a PGT cycle followed by FET. Inclusion Criteria for Controls: * Child: Has completed the first year of life at the time of data collection. * Child: Does not have any pre-existing medical conditions that significantly affect growth (weight and height). * Mother: Able to provide informed consent for participation in the study. * Mother: Conceived between the ages of 18 and 43. * Mother: Achieved a singleton live birth with a single gestational sac. * Mother: Underwent only FET. Participants will be excluded from this study if they meet any of the following criteria: * Mother: Unable or unwilling to sign the informed consent. * Mother: Has undergone a fresh embryo transfer. * Child: Missing birth weight or length/height data.

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Assisted reproduction technologies Frozen embryo transfer cycle Postnatal health Preimplantation genetic testing (PGT)

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  3. 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

  • Irccs San Raffaele Hospital

    Milan, Milano, 20132, Italy

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