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Magnetic marker may simplify breast cancer lymph node surgery

NCT ID NCT06104371

Knowledge-focused Sponsor: Vastra Gotaland Region 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 magnetic tracer and clip to mark lymph nodes before chemotherapy in breast cancer patients. The goal is to see if this method can reliably find the sentinel lymph node during surgery after chemo. About 459 adults with breast cancer will take part. The approach could make surgery more precise and avoid radioactive tracers.

What this could mean

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

Active substance
Magtrace (superparamagnetic iron oxide nanoparticles) and Magseed magnetic clip
What this could lead to
If successful, this could make sentinel lymph node surgery after chemotherapy more reliable and less invasive for breast cancer patients.
What could go wrong
This is an early-phase study focused on detection rates, not on curing cancer. The magnetic tracer may not work as well as standard methods, and some patients cannot have it due to MRI needs or allergies.

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 459 people

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

Started

Sep 2025

Expected to finish

Dec 2028

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

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 planned for preoperative chemotherapy before breast surgery.

Ages

18 to 85 years

Sex

Anyone

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: * Patients 18 years of age or older. * Patients with breast cancer planned to undergo NACT with * planned sentinel lymph node dissection (SLND), or * targeted axillary lymph node dissection (TAD), in conjunction with the * breast surgery after NACT. Exclusion Criteria: * Intolerance / hypersensitivity to iron or dextran compounds or SPIO. * Patients who are required to undergo MRI to evaluate tumour response. * Pregnancy or breast feedin.g * Patients with an iron overload disease. * Patient deprived of liberty or under guardianship. * Inability to understand given information and give informed consent or undergo study procedure

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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

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

  • Sahlgrenska University Hospital

    RECRUITING

    Gothenburg, 413 45, Sweden

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