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Biopsy vs. surgery: could some breast cancer patients avoid the knife?

NCT ID NCT02455791

Knowledge-focused Sponsor: M.D. Anderson Cancer Center 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 18, 2026 · Updated 1 time

Summary

This study tests whether a less invasive ultrasound-guided biopsy can accurately tell if breast cancer has been completely wiped out by chemotherapy, compared to the standard method of checking during surgery. About 43 women with aggressive breast cancer types (triple negative or HER2-positive) will have both a biopsy and then surgery, and researchers will compare the results. If the biopsy proves reliable, some patients might be able to skip surgery in the future.

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

43 people

The number who actually took part.

Started

Jun 2015

Expected to finish

Dec 2026

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: 1. \>/= 18 years old 2. Histologic diagnosis of triple negative or HER2 amplified breast cancer, clinical stage T1-4, N0-3, M0/1 receiving preoperative systemic therapy and planned surgery Exclusion Criteria: 1\) N/A

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm HER2 positive breast carcinoma triple-negative breast carcinoma

As listed by the trial registrant

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

Breast cancer

Contacts and locations

Locations

  • University of Texas MD Anderson Cancer Center

    Houston, Texas, 77030, United States

More trials for these conditions

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