Blood test may help doctors make smarter choices for breast cancer care
NCT ID NCT06833853
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is testing whether a blood test that looks for cancer cells and genetic material can help doctors decide on treatments for metastatic breast cancer. About 187 adults with advanced breast cancer will participate. The goal is to see if the test results change how doctors manage the disease.
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 show that a simple blood test helps doctors choose better treatments and monitor breast cancer more effectively.
- What could go wrong
- This is an observational study, not a treatment trial. It may not prove that the test improves patient outcomes, and results may 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
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About 187 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2026
- Expected to finish
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Oct 2028
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Advanced/metastatic breast cancer of following subtypes/lines of systemic therapy in metastatic setting: * Estrogen Receptor (ER)+/Human Epidermal growth factor Receptor 2 (HER2) - or Triple Negative (TN) patients prior to starting any line of systemic therapy * HER2+ patients prior to starting 2nd line or later therapy
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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: * Invasive breast cancer with radiographic and/or clinical evidence of advanced metastatic or unresectable disease. * HR+/HER2 negative or triple negative (TN) subjects prior to starting first line therapy or beyond in the metastatic setting. OR HER2+ subjects prior to starting second line therapy or beyond in the metastatic setting. * Subject must have the CTC HER2, ER, PD-L1, and cfDNA/RNA tests ordered during routine patient care. * Age \> 18 years. Exclusion Criteria: * Participant is pregnant. * Inability to provide blood samples based on the judgment of the treating physician.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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UPMC Magee Womens Hospital
RECRUITINGPittsburgh, Pennsylvania, 15213, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Zapping a few growing tumors may keep breast cancer drugs working longer
- Can a Two-Drug combo outsmart resistant breast and ovarian cancers?
- Can a platform trial match the right drug combo to each tumor?
- Can a vaccine teach the immune system to fight HER2-Positive tumors?