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Ultrasound ruler may cut repeat breast surgeries

NCT ID NCT07519668

Knowledge-focused Sponsor: University Hospital Tuebingen 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at whether using a special ultrasound ruler during breast-conserving surgery helps surgeons remove all cancer the first time. Researchers reviewed records from 273 patients who had this ultrasound-guided surgery. The goal was to see if it lowered the rate of incomplete tumor removal that would require a second surgery.

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 successful, this could lead to a simple, low-cost technique to reduce the need for repeat breast cancer surgeries.
What could go wrong
This is a retrospective review, not a controlled trial, so results may be influenced by other factors. The technique may not work for all tumor types.

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

273 people

The number who actually took part.

Started

Jan 2020

Finished

Dec 2023

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 who underwent breast-conserving mammosurgery using the standardized ultrasound ruler technique from 2020 to 2023, regardless of tumor biology, microcalcifications, focality, or primary chemotherapy.

Ages

18 to 80 years

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 at least 18 years and no more than 80 years (inclusive) * Preoperatively histologically confirmed breast cancer, detectable by ultrasound * Unifocal to multifocal findings * Palpable and/or non-palpable findings * Indication for breast-conserving therapy (BCT) Exclusion Criteria: * Sonographically ambiguous findings * Multicentricity * Exclusion criteria for BCT * Status after neoadjuvant chemotherapy

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm

As listed by the trial registrant

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

Breast cancer

Contacts and locations

Locations

  • Department for Women's Health

    Tübingen, Baden-Wurttemberg, 72076, Germany

More trials for these conditions

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