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Could a menstrual blood test replace surgery for endometriosis diagnosis?

NCT ID NCT07553676

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study is testing a new, non-invasive lab test that uses menstrual blood to diagnose endometriosis. Currently, diagnosis requires surgery, which can take years to get. The study will enroll 200 women aged 14-49 to see how accurate the test is compared to standard methods.

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 200 people

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

Started

May 2026

Expected to finish

Dec 2029

An estimate. End dates often move.

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

Participants will be recruited at gynecology departments and affiliated outpatient clinics in Austria and Germany, including university hospitals, regional hospitals, and private gynecology practices.

Ages

14 to 49 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 aged 14 to 49 * Menstruating * Endometriosis group * Histologically confirmed endometriosis * Imaging-verified endometriosis * Laparoscopy-negative group: \- Laparoscopy with no evidence of endometriosis * Imaging-negative group: * Healthy women (no symptoms of endometriosis) * Imaging shows no evidence of endometriosis Exclusion criteria: * Amenorrhea * Pregnancy * Oncological diseases * Use of GnRH agonists or antagonists

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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.

  1. The places running it

    8 sites in 2 countries. 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

  • Frauenklinik Städtisches Klinikum Karlsruhe

    RECRUITING

    Karlsruhe, Germany

  • Gynlounge

    RECRUITING

    Linz, Austria

  • Gynäkologie und Geburtshilfe am Landesklinikum Melk

    RECRUITING

    Melk, Austria

  • Institut für Gynäkologie, Geburtshilfe und Gyn. Endokrinologie am Kepler Universitätsklinikum

    RECRUITING

    Linz, Austria

  • Kinder- und Jugendgynäkologie Villa Medica Medizinisches Kompetenzzentrum GmbH

    RECRUITING

    Mödling, Austria

  • Klinik für Frauenheilkunde und Geburtshilfe Barmherzige Brüder Klinik St. Hedwig

    RECRUITING

    Regensburg, Germany

  • Krankenhaus der Barmherzigen Brüder Wien

    RECRUITING

    Vienna, 1020, Austria

  • Wahlarztordination Puschacher

    RECRUITING

    Pöggstall, Austria

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