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Could pesticides and gut bugs be key to endometriosis diagnosis?

NCT ID NCT07471373

Knowledge-focused Sponsor: Centre Hospitalier Universitaire, Amiens 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at how pesticides and the bacteria in your gut and genital tract might be linked to endometriosis and infertility. Researchers will compare 160 women with and without endometriosis to find patterns in their DNA and bacteria. The goal is to better understand the disease and find new ways to diagnose it early.

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 better early diagnosis of endometriosis and new treatment strategies targeting gut and genital bacteria.
What could go wrong
This is an observational study, not a treatment trial. It may not directly lead to new therapies, and results may not apply to all women with endometriosis.

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

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

About 160 people

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

Started

Feb 2026

Expected to finish

May 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.

Ages

18 to 43 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: * The "case" group will include: * All women aged 18 to 43, with confirmed endometriosis and endometriosis grade 3 or 4 as defined by the 1985 revised version of the American Society of Reproductive Medicine. * The "control" group will include: * All women aged between 18 and 43, whose infertility problem is proven male infertility and who do not have endometriosis identified by biological, genetic and clinical tests. * The following criteria will apply to both groups: * All women who have not received antibiotic treatment in the three months preceding inclusion and who are not participating in any pharmacological study. * All women who are covered under the national social security health insurance scheme. * All women who have signed a written informed consent form, thereby confirming their participation in the study after a period of free and informed reflection. Exclusion Criteria: * All women aged 44 and over. * Women who are overweight, obese or anorexic. * Women taking antibiotics 3 months prior to inclusion, or participating in a drug study. * All women under anti-GnRH treatment, pregnant or suffering from a chronic inflammatory disease such as Crohn's disease, polycystic ovary syndrome, etc. * All women whose endometriosis has not been formally confirmed by the tests offered by the Reproductive Medicine and Biology Department, CECOS de Picardie, CHU Amiens-Picardie. * All patients under guardianship, curators or safeguard of justice. * All patients who have not signed the written consent confirming their participation in the study, after a period of free and informed reflection. * Any patient who withdraws her consent for participation in the study.

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Conditions

The condition(s) this trial relates to.

endometriosis female infertility infertility disorder

As listed by the trial registrant

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

Cell free DNA Endometrial microbiota Endometriosis Epigenetics Female fertility Genital microbiota Gut microbiota Infertility Pesticides Vaginal microbiota

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

  • CHRU Amiens

    RECRUITING

    Salouël, France

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