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Promising diagnostic test for breast cancer brain metastasis never gets off the ground

NCT ID NCT03974204

Diagnosis Sponsor: Centre Oscar Lambret 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
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 Results may not be published yet.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 This study
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This status has not been confirmed recently, so it may be out of date.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 study was designed to see if analyzing tiny particles called exosomes in spinal fluid could help doctors diagnose leptomeningeal metastasis—a serious complication where breast cancer spreads to the membranes around the brain and spinal cord. Researchers planned to collect spinal fluid and blood samples from breast cancer patients with suspected spread. However, the study was withdrawn before any participants were enrolled, so no results are available.

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.

Expected to start

Jul 2019

An estimate. Start dates often move.

Expected to finish

Oct 2023

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: * Patient with histologically proven breast cancer * Patient with suspected metastatic leptomeningitis * Age ≥ 18 years * Patient covered by the French social security regime * Signed written informed consent Exclusion Criteria: * History of cancer other than the one being treated * Contraindication to carrying out the lumbar puncture or cerebrospinal MRI * Pregnant or breastfeeding patient

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm Meningeal Carcinomatosis neoplastic meningitis

As listed by the trial registrant

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

Breast cancer Leptomeningeal metastasis

Contacts and locations

Locations

  • Centre Hospitalier Régional Universitaire de Lille

    Lille, Hauts-de-France, 59000, France

  • Centre Oscar Lambret

    Lille, Hauts-de-France, 59020, France

More trials for these conditions

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