S0500 Treatment Decision Making Based on Blood Levels of Tumor Cells for Metastatic Breast Cancer Treated With Chemo

Trial ID or NCT#



not recruiting iconNOT RECRUITING


RATIONALE: Drugs used in chemotherapy work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. Measuring blood levels of tumor cells may help in learning how well chemotherapy works to kill metastatic breast cancer cells and allow doctors to plan better treatment. When blood levels of tumor cells are high while receiving chemotherapy, it is not yet known whether it is more effective to change chemotherapy regimens at that time or wait until disease progression. PURPOSE: This randomized phase III trial is studying treatment decision making based on blood levels of tumor cells in women with metastatic breast cancer receiving chemotherapy.

Official Title

A Randomized Phase III Trial to Test the Strategy of Changing Therapy Versus Maintaining Therapy for Metastatic Breast Cancer Patients Who Have Elevated Circulating Tumor Cell Levels at First Follow-Up Assessment

Eligibility Criteria

Ages Eligible for Study: Older than 18 Years
Sexes Eligible for Study: Female
Accepts Healthy Volunteers: No


Robert W. Carlson

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Cancer Clinical Trials Office