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New PET scan may tell doctors if chemo wiped out breast cancer without surgery

NCT ID NCT07593976

Diagnosis Sponsor: Centre Henri Becquerel Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 24, 2026 · Updated 2 times

Summary

This study tests a new type of PET/CT scan that uses a special tracer to see if HER2-positive breast cancer has been completely eliminated after chemotherapy and targeted therapy. The goal is to see if the scan can accurately predict which patients have no cancer left, potentially avoiding unnecessary surgery in the future. About 42 women with early-stage HER2-positive breast cancer will participate.

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 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 42 people

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

Started

Jul 2026

Expected to finish

Mar 2028

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: * Female aged 18 years or older * Histologically proven HER2-positive early breast cancer, defined as IHC 3+ or IHC 2+ with ISH amplification * Indication for neoadjuvant chemotherapy combined with anti-HER2 targeted therapy followed by surgery, as determined by a multidisciplinary tumor board * ECOG performance status of 0 or 1 * Affiliated to or beneficiary of a social protection scheme * Written informed consent signed prior to any study-specific procedure Exclusion Criteria: * Pregnant or breastfeeding women * Patient not treated with curative intent * History of ipsilateral breast cancer treated by surgery and/or radiotherapy * Lobular histology * Known contraindication or hypersensitivity to \[68Ga\]Ga-NOTA-anti-HER2-sdAb or any of its radiopharmaceutical excipients * Known contraindication or hypersensitivity to \[18F\]F-FDG or any of its radiopharmaceutical excipients * Concurrent enrollment in another clinical trial evaluating radiopharmaceuticals * Patient under guardianship, curatorship, or judicial protection * Patient deprived of liberty * Inability to understand the study or comply with trial constraints due to linguistic, psychological, or geographical barriers

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm HER2 positive breast carcinoma

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

  • Centre Henri Becquerel

    RECRUITING

    Rouen, France

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