Clinical trialNCT03737695Active, not recruitingObservational

Clinical Information and Biospecimen Collection From Patients With Recurrent or Stage IV Breast Cancer

SponsorMayo ClinicEnrollment300Anatomic Stage IV Breast Cancer AJCC v8Invasive Breast CarcinomaMetastatic Breast CarcinomaPeritoneal EffusionRecurrent Breast Carcinoma

View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

This trial collects clinical information and tissue and blood samples from patients with breast cancer that has come back or is stage IV. Collecting clinical information and biospecimen samples to create a registry may help doctors better understand the mechanism of tumor spread and determine why people respond differently to specific cancer treatments.

clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a FindMyKOL profile link to it; the rest are shown as registered.

Karthik V. Giridhar, M.D.
Mayo Clinic
Principal Investigator
clinicaltrials.gov ↗

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

14 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States

University of Alabama at Birmingham Cancer Center
Birmingham, Alabama, United States
Ucsf Medical Center-Mission Bay
San Francisco, California, United States
Medstar Georgetown University Hospital
Washington D.C., District of Columbia, United States
University of Chicago Comprehensive Cancer Center
Chicago, Illinois, United States
Johns Hopkins University/sidney Kimmel Cancer Center
Baltimore, Maryland, United States
Dana-Farber Cancer Institute
Boston, Massachusetts, United States
Mayo Clinic in Rochester
Rochester, Minnesota, United States
Montefiore Medical Center-Einstein Campus
The Bronx, New York, United States
Unc Lineberger Comprehensive Cancer Center
Chapel Hill, North Carolina, United States
Duke University Medical Center
Durham, North Carolina, United States
University of Pennsylvania/abramson Cancer Center
Philadelphia, Pennsylvania, United States
Upmc-Magee Womens Hospital
Pittsburgh, Pennsylvania, United States
Vanderbilt Breast Center at One Hundred Oaks
Nashville, Tennessee, United States
Fhcc South Lake Union
Seattle, Washington, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study. It may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 16 Sept 2019
Primary completion: 15 Sept 2027
Completion: 15 Sept 2027
Last update posted: 4 Jun 2026
Registered enrollment: 300
Registry id: NCT03737695

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; FindMyKOL does not interpret them.