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Could a simple swab replace painful uterine biopsies?

NCT ID NCT06920797

Knowledge-focused Sponsor: Igenomix 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether less invasive methods—a vaginal swab or a fluid sample from the uterus—can accurately measure the microbiome (bacteria) in the womb, compared to the standard endometrial biopsy. Fifty-seven women provided samples at two time points. The goal is to find a gentler, safer way to study the uterine environment, which may help understand fertility issues.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could lead to simpler, less painful ways to analyze the uterine microbiome, potentially improving fertility assessments.
What could go wrong
This is a small, early pilot study focused on method comparison, not treatment. The techniques may not prove reliable enough for clinical use.

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

57 people

The number who actually took part.

Started

Jun 2025

Finished

Feb 2026

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Women, between 18 and 50 years, coming form the donor program and/or patients from the General Gynaecology Unit who attend to routine gynaecological controls to the clinic, and whose samples will be taken during the secretory phase of the natural menstrual cycle.

Ages

18 to 50 years

Sex

Female participants only

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: * Women, between 18 and 50 years, coming form the donor program and/or patients from the General Gynaecology Unit who attend to routine gynaecological controls to the clinic and who voluntarily accept to participate and sign the corresponding informed consent approved by the Ethics Committee, once they have been dully informed of the study's nature and knoe the potential risks, benefits and discomforts. Exclusion Criteria: * Ongoing pregnancy. * Samples not obtained during the secretory phase of a natural cycle. * Intake of any antibiotic, probiotic and/or antifungal in the 7 days prior to the sample collection of the first cycle.

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Conditions

The condition(s) this trial relates to.

Dysbiosis infertility disorder

As listed by the trial registrant

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

Fertility Infertility Microbiome analysis Reproductive health

Contacts and locations

Locations

  • Vida Recoletas Sevilla

    Seville, Seville, 41092, Spain

More trials for these conditions

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