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Could a simple test spot endometriosis sooner?

NCT ID NCT06820450

Knowledge-focused Sponsor: Nantes University Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 is looking at 135 women with and without endometriosis to understand how hormones, environmental chemicals, and vaginal bacteria differ between the groups. Researchers hope to find patterns that could lead to faster diagnosis and better treatments. Participants give blood, urine, and vaginal samples for analysis.

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 help identify biomarkers to speed up endometriosis diagnosis and point toward new treatment targets.
What could go wrong
This is an observational study, not a treatment trial. It may not directly lead to new therapies or diagnostic tests.

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 135 people

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

Started

Jul 2025

Expected to finish

Jul 2027

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 STERONLINE study population will be made up of women aged between 18 years and 45 years * 45 patients with endometrioma * 45 patients without endometrioma

Ages

18 to 45 years

Sex

Female participants only

Healthy volunteers

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

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 18 to 45 * Free, informed and written consent from the patient to participate in the study * Good understanding of the French language * Patient affiliated to or benefiting from a social security or similar scheme Specific inclusion criteria for each group: Group 1. Controls. * Women with no laparoscopically confirmed signs suggestive of deep endometriosis. * No clinico-biological criteria in favour of a diagnosis of endometriotic disease, nor any radiological signs (ultrasound or MRI) suggestive of endometriosis. Group 2. Cases of deep endometriosis. * Newly diagnosed women (less than 12 months). * Severe, deep endometriotic pathology with surgical indication (clinical examination, imaging tests, pre-operative findings). Exclusion Criteria: * Intercurrent diagnosis of pregnancy. * Presence of other hormone-dependent pathologies (e.g. breast cancer, PCOS). * Acute infection.

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Conditions

The condition(s) this trial relates to.

endometriosis

As listed by the trial registrant

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

Endometriosis

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

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    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

  • CHU de Nantes

    RECRUITING

    Nantes, 44093, France

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