2000 patients to fuel breast cancer discoveries
NCT ID NCT06217874
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study collects tumor samples and medical information from 2000 people with breast cancer that has spread or come back. The goal is to create a resource for researchers to learn more about how the disease progresses and responds to treatments. No new treatments are tested here, but the findings may guide future therapies.
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 2,000 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2014
- Expected to finish
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Jun 2034
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
Patients with invasive cancer, suspected or known recurrent or metastatic lesions, as well as males with biopsy proven breast cancer
- 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: * Female participants must have histologically or cytologically confirmed invasive breast cancer. * Male participants must have biopsy proven breast cancer. * Age must be \>= 18 years, and all must be able to understand and willing to sign an informed consent document. Exclusion Criteria: * Dementia, altered mental status, or any psychiatric condition that would prohibit the understanding or rendering of informed consent; a history of serious or life-threatening allergic reaction to local anesthetics (i.e. lidocaine, xylocaine). * Any other condition, which in the opinion of the patient's treating oncologist, or the physician performing the biopsy procedure, would make participation in this protocol unreasonably hazardous for the patient.
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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.
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The study's own enquiry address
This study publishes an address for enquiries. See it below .
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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
Show contact details
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Genom att skicka in godkänner du våra Användarvillkor
Locations
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Mayo Clinic in Rochester
RECRUITINGRochester, Minnesota, 55905, United States
Contact Email: •••••@•••••
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