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Could AI and ultrasound replace unnecessary breast biopsies?

NCT ID NCT06171607

Diagnosis Sponsor: University of Southern California 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This trial tests whether contrast-enhanced ultrasound (CEUS) combined with machine learning can more accurately tell if a breast mass is benign or malignant. 100 women with suspicious breast masses will receive CEUS with a contrast agent. The goal is to see if this approach can reduce the need for invasive biopsies by correctly identifying benign masses.

What this could mean

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

Active substance
Contrast-enhanced ultrasound with perflutren lipid microspheres or sulfur hexafluoride lipid microspheres
What this could lead to
If successful, this could provide a more accurate, non-invasive way to diagnose breast masses, potentially sparing many women from unnecessary biopsies.
What could go wrong
This is an early Phase 1 study with only 100 participants, so results may not apply to all patients. The machine learning model may not perform as well in real-world settings.

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

Phase 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

About 100 people

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

Started

Nov 2020

Expected to finish

Nov 2027

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.

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: * Newly diagnosed breast masses assigned as BIRADS 4a, 4b, 4c or 5 by conventional US and recommended for ultrasound guided biopsy * Age \>= 18 years * Female Exclusion Criteria: * Contraindications to microbubble contrast: Patients who have a known pulmonary hypertension and any known hypersensitivity to US contrast agent * Women with renal failure or insufficiency (only if patient is receiving CESM scan) * Women with Iodine contrast allergy (only if patient is receiving CESM scan) * Women with the largest side of the mass measuring ≤ 1 cm (only if patient is receiving CEUS scan) * Women who are pregnant, possibly pregnant, or lactating * Women currently undergoing neoadjuvant chemotherapy * Women \< 18 years of age * Patient ≤ 30 years (only if patient is receiving CESM scan) * Masses in the same breast that had prior lumpectomy for cancer * Women with cancer in the same breast will be excluded however, women with cancer in the contralateral breast will be eligible to participate in the study * Women with an allergy to perflutren (only if patient is receiving CEUS scan) * Prior history of biopsy for that specific lesion * Women with breast implants

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Conditions

The condition(s) this trial relates to.

breast carcinoma breast neoplasm

As listed by the trial registrant

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

Breast carcinoma

How to take part

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

  1. The places running it

    2 sites. 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

  • Los Angeles County-USC Medical Center

    RECRUITING

    Los Angeles, California, 90033, United States

  • USC / Norris Comprehensive Cancer Center

    RECRUITING

    Los Angeles, California, 90033, United States

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