Blood cell counts may reveal hidden cancer risk in triple negative breast cancer
NCT ID NCT04068623
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether certain blood cell counts and tumor-infiltrating lymphocytes can help predict if triple negative breast cancer will come back. Researchers will collect blood samples from 90 women after radiation and at the time of any first recurrence. The goal is to find a simple, inexpensive way to identify patients at higher risk of metastatic recurrence.
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 could lead to a simple blood test to help predict which patients are at higher risk of their breast cancer returning.
- What could go wrong
- This is an observational study, not a treatment trial. It is small (90 people) and only looks at correlations, so it may not lead to a reliable test.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 90 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 2019
- Expected to finish
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Oct 2032
An estimate. End dates often move.
- Lead sponsor
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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
Women diagnosed and treated for non metastatic triple negative breast cancer
- Ages
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18 years and older
- Sex
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Female participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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 * Age \> 18 years * Diagnosed with primitive, non-metastatic, histologically proved, triple negative breast cancer * Patient treated with chemotherapy, surgery and radiation therapy * Patient able to understand the French language * Patient affiliated to social security * Obtaining signed written consent Exclusion Criteria: * Male * Unavailable tumoral samples before inclusion * Unavailable blood test results at baseline, before inclusion
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Centre Jean PERRIN
Clermont-Ferrand, Please Select, 63000, France
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