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Massive study aims to crack the code of metastatic breast cancer

NCT ID NCT03758976

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study is tracking 2,000 people with metastatic breast cancer to understand how the cancer changes over time and in response to treatment. Researchers will analyze tumor and blood samples to find genetic markers that predict which therapies work best. The goal is to develop better tools for personalizing care and overcoming drug resistance.

What this could mean

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

What this could lead to
If successful, this study could lead to better ways to predict how metastatic breast cancer will behave and which treatments might work best for each patient.
What could go wrong
This is an observational study, not a treatment trial, so it won't directly help participants. It may take years to produce useful results, and the findings might not apply to all patients.

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 2,000 people

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

Started

Jan 2019

Expected to finish

Dec 2030

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.

Who is studied

Patients diagnosed with metastatic, inoperable breast cancer.

Ages

18 years and older

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: 1. Patients with pathologically confirmed advanced breast cancer (ABC), including locally advanced inoperable disease and stage IV disease. 2. Age \> 18 years. 3. Performance status according to Eastern Cooperative Oncology Group (ECOG) ≤ 2. 4. ABC must be radiologically or clinically assessable, by means of at least one of the following techniques: clinical examination, computerized tomography (CT-scan), magnetic resonance imaging (MRI), bone scintigraphy or positron emission tomography (PET). 5. Patients must have a radiological evaluation done maximum 6 weeks prior to inclusion. 6. Signed informed consent according to ICH/GCP, and national/local regulations. Exclusion Criteria: Untreated psychiatric disorders that will impair the patient's ability to comply with study treatment or protocol.

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Conditions

The condition(s) this trial relates to.

breast carcinoma breast neoplasm Neoplastic Cells, Circulating

As listed by the trial registrant

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

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

  • Lund University Hospital

    RECRUITING

    Lund, 221 85, Sweden

  • Lund University Hospital

    RECRUITING

    Lund, 221 85, Sweden

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