New study tests gentler surgery for ovarian cysts
NCT ID NCT07065214
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares two surgical methods for treating ovarian endometriomas (cysts caused by endometriosis): standard cystectomy (removing the cyst wall) and argon plasma coagulation (using a gas-based tool to destroy the cyst lining). The goal is to see which method better preserves ovarian function, measured by changes in AMH (a hormone linked to egg supply). About 72 women will be randomly assigned to one of the two procedures and followed for 12 months.
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
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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
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About 72 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2025
- Expected to finish
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Sep 2027
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.
- Ages
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18 to 40 years
- Sex
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Female participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Indication for surgical endometrioma treatment according to patient symptoms * Signed informed consent Exclusion Criteria: * Expected lack of patient compliance or inability of the patient to understand the purpose of the clinical trial * Prior procedures at the ovaries * Recurrent endometrioma (patients with recurrent endometriosis outside of the ovar, e.g. peritoneal endometriosis lesions can be included) * Pregnant or breastfeeding patients * Participation in any other clinical study that could affect the AMH level or pregnancy
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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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Department for Women's Health
RECRUITINGTübingen, Germany, 72076, Germany
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?