Tiny blood cells may change how we treat advanced breast cancer

NCT ID NCT05662345

First seen Nov 01, 2025 · Last updated May 22, 2026 · Updated 22 times

Summary

This study tracks 65 people with metastatic breast cancer to see if a blood test for Circulating Tumor Cells (CTCs) helps doctors choose and monitor treatments. Participants give blood samples, and doctors answer surveys about how useful the CTC results are. The goal is to learn whether CTCs improve treatment decisions and disease tracking, not to test a new therapy.

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Contacts and locations

Locations

  • MCHS Eau Claire

    Eau Claire, Wisconsin, 54703, United States

  • Mayo Clinic

    Rochester, Minnesota, 55905, United States

  • Mayo Clinic Health System Albert Lea

    Albert Lea, Minnesota, 56007, United States

  • Mayo Clinic Health System Mankato

    Mankato, Minnesota, 56001, United States

Conditions

Explore the condition pages connected to this study.