Hunting the signals that predict which breast cancer drugs will work
NCT ID NCT07833891
First seen Sep 22, 2026 · Last updated Sep 22, 2026
Summary
Researchers at a French hospital are collecting blood samples, leftover tumor tissue, imaging scans, and clinical records from 500 adults with breast cancer. The study focuses on tumors that lack hormone receptors, including triple-negative breast cancer. The goal is to find molecular, cellular, and imaging markers that predict whether a patient will respond to newer treatments such as targeted drugs, immunotherapies, and antibody-drug conjugates. Participants receive no experimental treatment; they contribute data and samples over time.
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 researchers find reliable biomarkers, doctors could match breast cancer patients to the treatments most likely to work for them and skip ones that will not.
- What could go wrong
- This is an observational study, so it cannot prove that any biomarker directly causes treatment response. Biomarkers found in this group may not hold up in other patients or hospitals.
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 500 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
-
Oct 2026
An estimate. Start dates often move.
- Expected to finish
-
Oct 2041
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 aged 18 or older with a histologically confirmed diagnosis of breast cancer, treated at the Saint-Louis Hospital senology and breast surgery departments. Emphasis will be placed on hormone receptor-negative subtypes.
- 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 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: * Age ≥ 18 years * Histologically confirmed breast cancer * Managed at Saint-Louis Hospital * No opposition to participation in research * Affiliation to the French national health system Exclusion Criteria: * Expressed opposition to research * Legal incapacity or under legal protection * Patients under State Medical Aid (AME)
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for Breast cancer are added.
Genom att skicka in godkänner du våra Användarvillkor
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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
-
The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
-
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.
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Radioactive tracer homes in on a protein tumors use to survive low oxygen
- Can a shorter radiation course match the standard one after breast reconstruction?
- Tiny metal marker in breast biopsies: could its stiffness fuel cancer spread?
- Can a faster radiation course match the standard one after breast reconstruction?
- Can High-Risk breast cancer patients skip an extra radiation boost?
- Radioactive probe lights up CD73 on breast tumors in PET scans