Collecting spinal fluid and blood samples from people with breast cancer that has spread outside the brain
Original title: Collection of CSF Samples From Participants With Metastatic Triple Negative Breast Cancer (TNBC) and HER2+ Breast Cancer With no Prior History Nor Active Radiographically Detectable Brain Metastases
How far along is this research?
This is a trial that is enrolling or has been updated. It is not a finding yet.
No phase is given for this study, and it collects samples for research rather than treating people.
Status: Not yet recruiting. It has not opened yet. Ask your care team to watch for it if it looks like a fit.
The trial team last updated this record on . Always check the trial page for the latest.
The short version
This study collects fluid and tissue samples to look for signs that breast cancer may spread to the brain.
Who this trial is for. This study is for people aged 18 years and older with HER2-positive or triple negative breast cancer that has spread to other parts of the body, but not to the brain. Researchers want to see if tumor DNA in spinal fluid, blood, or tumor tissue can help predict when the cancer will spread to the brain.
Where it stands. This study has not reported results. It is measuring whether tumor DNA in these samples can point to cancer spreading to the brain. That answer is not in yet.
What this means, and what it doesn't
What it could mean: No treatment is given here. People take part by giving samples, then are contacted every 6 months for 3 years. Someone who fits this picture could ask their care team about it.
What it doesn't mean: This does not mean a new test or treatment is proven. A study is a test, not care your own doctor can give you. Taking part is not a guarantee that you will be helped. It is not a promise of a cure.
Source: ClinicalTrials.gov, August 12, 2026 · Read the original
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