5,300 women join quest to unravel endometriosis mysteries
NCT ID NCT04481321
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study follows 5,300 women aged 18-42 with endometriosis or adenomyosis to see if these conditions get worse over time. Researchers track pain, bleeding, fertility, and use imaging to monitor changes. They also explore immune system and gut bacteria links. No new treatment is tested; the goal is to better understand the diseases.
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 5,300 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2006
- Expected to finish
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Dec 2040
An estimate. End dates often move.
- Lead sponsor
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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
Women of age between - 18 and 42 years old. * In-service care for one of the pelvic pain and/or infertility, or for a pelvic mass. * Having a radiological diagnosis made by a referral practitioner and/or operated in the department.
- Ages
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18 to 42 years
- Sex
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Female participants only
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 of age between - 18 and 42 years old. * In-service care for one of the pelvic pain and/or infertility, or for a pelvic mass. * Having a radiological diagnosis made by a referral practitioner and/or operated in the department Exclusion Criteria: * HIV-positive women, HBV and HCV * During pregnancy * Having a cancer diagnosis * Refusing to sign a consent.
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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
1 site. 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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Port Royal, hospital cochin
RECRUITINGParis, 75014, France
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?