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This registry collects clinical information, blood and tumor samples from people with recurrent or metastatic breast cancer. It aims to understand tumor spread and differences in treatment response.
This registry collects clinical information, blood and tumor samples from people with recurrent or metastatic breast cancer. It aims to understand tumor spread and differences in treatment response.
Observational study registered as NCT03737695, sponsored by Mayo Clinic. Registry enrollment is 300 participants (estimated). Registry status checked October 10, 2026: active not recruiting. UCSF lists this study as closed to local enrollment; local availability and overall registry status are separate. See the registry for full eligibility and current sites.
The full inclusion and exclusion criteria are on the registry record. Read 2026-10-10. Recruiting overall does not mean a particular site is open; ask the study team.
ClinicalTrials.gov data courtesy of the US National Library of Medicine.
Shares UCSF Helen Diller Family Comprehensive Cancer Center, Breast cancer (all types) and the tags ucsf-breast-coverage, observational.
Shares UCSF Helen Diller Family Comprehensive Cancer Center, Breast cancer (all types) and the tags ucsf-breast-coverage, observational.
Shares UCSF Helen Diller Family Comprehensive Cancer Center, Breast cancer (all types) and the tags ucsf-breast-coverage, observational.
Shares UCSF Helen Diller Family Comprehensive Cancer Center, Breast cancer (all types) and the tags ucsf-breast-coverage, observational.
Shares UCSF Helen Diller Family Comprehensive Cancer Center, Breast cancer (all types) and the tags ucsf-breast-coverage, observational.
Shares UCSF Helen Diller Family Comprehensive Cancer Center, Breast cancer (all types) and the tags ucsf-breast-coverage, observational.
Shares UCSF Helen Diller Family Comprehensive Cancer Center, Breast cancer (all types) and the tags ucsf-breast-coverage, observational.
Shares UCSF Helen Diller Family Comprehensive Cancer Center, Breast cancer (all types) and the tags ucsf-breast-coverage, observational.
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