Could a menstrual blood test replace surgery for endometriosis diagnosis?
NCT ID NCT07553676
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
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About 200 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2026
- Expected to finish
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Dec 2029
An estimate. End dates often move.
- Lead sponsor
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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
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14 to 49 years
- Sex
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Female participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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.
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The places running it
8 sites in 2 countries. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Frauenklinik Städtisches Klinikum Karlsruhe
RECRUITINGKarlsruhe, Germany
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Gynlounge
RECRUITINGLinz, Austria
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Gynäkologie und Geburtshilfe am Landesklinikum Melk
RECRUITINGMelk, Austria
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Institut für Gynäkologie, Geburtshilfe und Gyn. Endokrinologie am Kepler Universitätsklinikum
RECRUITINGLinz, Austria
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Kinder- und Jugendgynäkologie Villa Medica Medizinisches Kompetenzzentrum GmbH
RECRUITINGMödling, Austria
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Klinik für Frauenheilkunde und Geburtshilfe Barmherzige Brüder Klinik St. Hedwig
RECRUITINGRegensburg, Germany
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Krankenhaus der Barmherzigen Brüder Wien
RECRUITINGVienna, 1020, Austria
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Wahlarztordination Puschacher
RECRUITINGPöggstall, Austria
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can Pre-Surgery pelvic floor therapy stop endometriosis pain after the operation?
- Appendix: the hidden driver of endometriosis pain?
- Allergy pill put to the test against endometriosis pain
- Can ultrasound and tissue clues reveal which endometriosis lesions carry cancer risk?
- Can AI personalize exercise to ease pelvic pain?
- Can AI learn to spot endometriosis and fibroids on ultrasound?