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A handheld probe could flag breast tumors without a needle

NCT ID NCT04561297

NEW Diagnosis Sponsor: Nova Southeastern University Source: ClinicalTrials.gov ↗

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Oct 16, 2026 · Last updated Oct 16, 2026

Summary

Researchers are testing whether a non-invasive measurement called tissue dielectric constant (TDC) can tell breast cancer apart from healthy breast tissue. Participants scheduled for a breast biopsy have TDC measured at the tumor site, at a standard spot on the same breast, and at matching spots on the other breast before the biopsy. The team then compares those readings with the biopsy result to see whether a large TDC difference points to a malignant tumor. The goal is to learn whether TDC could one day help doctors decide who needs a biopsy.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
tissue dielectric constant (TDC) measurement, a non-invasive device test
What this could lead to
If the TDC differential reliably separates malignant from benign breast masses, it could offer a non-invasive way to help decide who needs a biopsy.
What could go wrong
This is a small diagnostic accuracy study, so it may not show a clear enough difference to replace or guide biopsy. TDC readings can also vary with skin moisture, age, and body composition.

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

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

59 people

The number who actually took part.

Started

Feb 2019

Finished

Dec 2021

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.

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: * You must be scheduled for a breast biopsy of a breast mass or abnormality with the collaborating centers Exclusion Criteria: * You have any open wounds over the breasts * You have had breast cancer * You have or have had breast implants or have undergone any breast surgery or breast biopsy * You have any implantable wires, this includes a Pacemaker, Implantable Cardioverter ° Defibrillators (ICDs), and/or Left Ventricular Assist Device (LVAD) * You are pregnant

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm neoplasm

As listed by the trial registrant

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

Breast cancer

Contacts and locations

Locations

  • Surgical Specialists of Miami

    Aventura, Florida, 33180, United States

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