Ear stimulation device could ease endometriosis pain
NCT ID NCT04177511
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests if a non-invasive device that stimulates a nerve in the ear can reduce chronic pelvic pain caused by endometriosis. The device is thought to lower inflammation and change brain chemicals that affect pain. Researchers will enroll 72 women with endometriosis to see if this approach provides meaningful pain relief.
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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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Dec 2021
- Expected to finish
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Mar 2027
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.
- Ages
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15 years and older
- 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: * Women aged \>= 15 years * With chronic pelvic pain and/ or dysmenorrhoea and/ or dyspareunia * Who has been cared for by a gynecologist in one of the institutions participating in the study * Diagnosed with endometriosis * Having signed an informed written consent * Affiliated to a health insurance scheme Exclusion Criteria: * contraindication to the use of transcutaneous auricular vagus nerve stimulation (cardiac pathology, asthmatic patient) * pregnant or breastfeeding women * patient undergoing in vitro fertilization * associated pathology requiring long-term analgesic treatment * patient with atria trans vagal neurostimulation in the 12 months prior to inclusion * patient deprived of liberty or under guardianship
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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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Hopital Foch
RECRUITINGSuresnes, Île-de-France Region, 92150, France
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- 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?