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2000 women studied to uncover hidden patterns in endometriosis

NCT ID NCT07304245

Knowledge-focused Sponsor: Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 analyzed 2000 women who had surgery for endometriosis to see if the lesions tend to appear more on the right or left side of the pelvis. By carefully recording the location of each lesion during surgery, researchers hope to learn more about how endometriosis develops. The goal is to use this knowledge to improve future treatments.

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 patterns are found, this could help doctors better understand how endometriosis starts and grows, potentially leading to improved treatments in the future.
What could go wrong
This is an observational study that does not test any new treatment. The findings may not directly change patient care or lead to immediate medical advances.

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

2,000 people

The number who actually took part.

Started

Sep 2024

Finished

Jul 2025

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

All patients with histological diagnosis of endometriosis and endometriosis associated with endometrioid carcinoma, clear cell carcinoma and seromucinous borderline tumor operated at the Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico and at the centers participating in the study from 01/2013 to 12/2023 will be recruited. Data relating to histological diagnosis will be collected from medical records. In particular, in addition to tumours associated with endometriosis, data will be collected from patients with a histological diagnosis of: 1. ovarian endometriosis 2. intestinal endometriosis 3. ureteral endometriosis 4. sciatic nerve endometriosis 5. inguinal-round ligament endometriosis 6. uterosacral ligament endometriosis 7. peritoneal endometriosis 8. diaphragmatic endometriosis 9. pleural and pulmonary endometriosis 10. umbilical endometriosis (associated with right hemidiaphragm and/or left hemidiaphragm)

Ages

18 years and older

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: * age ≥18 years at the time of histological diagnosis of endometriosis * patients undergoing surgery with endometriotic lesions or patients with endometriotic lesions associated with endometrioid or clear cell ovarian cancer (Stage I-II) or borderline seromucinous ovarian cancer * first operation for endometriosis in the reference center (if recurrence consider only if both operations were performed at the reference center). Exclusion Criteria: * age \<18 years * patients affected by Stage I-II endometrioid or clear cell carcinoma or seromucinous borderline ovarian cancer not associated with endometriosis or in a more advanced stage of disease * women with an ultrasound diagnosis of endometriosis who have not undergone surgery * previous operations for endometriosis performed at another center

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Conditions

The condition(s) this trial relates to.

endometriosis ovarian clear cell tumor ovarian endometrioid adenocarcinoma ovarian seromucinous tumor

As listed by the trial registrant

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

Analyze the laterality of endometriotic lesions and endometriosis-related tumors Endometriosis

Contacts and locations

Locations

  • Gynecology Unit, IRCCS Fondazione Ca' Granda Ospedale Maggiore Policlinico, Milan

    Milan, 20122, Italy

More trials for these conditions

Other studies related to the condition(s) this trial covers.