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New ultrasound scalpel may spare ovaries during endometriosis surgery

NCT ID NCT07215130

Knowledge-focused Sponsor: Kanazawa University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests a surgical tool called CUSA Clarity that uses ultrasound to selectively remove endometriosis cyst lining while leaving healthy ovary tissue intact. Researchers will examine cyst wall samples from 10 women to see if the tool can spare ovarian tissue, which may help preserve fertility. The goal is to develop a more ovary-friendly surgery for women with ovarian endometriomas.

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

About 10 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jan 2025

Expected to finish

Mar 2028

An estimate. End dates often move.

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

Women aged 20 years or older diagnosed with ovarian endometrioma and treated surgically at Kanazawa University Hospital. Surgically resected ovarian endometrioma specimens are used for ex vivo histopathological evaluation of selective lesion removal using the CUSA® Clarity device.

Ages

20 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: * Female patients diagnosed with ovarian endometrioma who undergo surgical treatment (cystectomy or adnexectomy) at Kanazawa University Hospital between January 1, 2025, and March 31, 2027. * Written informed consent obtained prior to study participation. * Age ≥ 20 years at the time of consent. * For patients with previously stored endometrioma specimens under a broad consent, additional written consent for participation in this study will be obtained. Exclusion Criteria: * Patients with suspected malignancy based on preoperative imaging. * Patients judged by the attending physician to be unsuitable for participation in this study for any reason.

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Conditions

The condition(s) this trial relates to.

endometriosis ovarian cyst ovarian endometriosis

As listed by the trial registrant

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

Endometriosis Ovarian endometrioma

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • Kanazawa University Hospital

    RECRUITING

    Kanazawa, Ishikawa-ken, 9208641, Japan

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