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Monitoring Circulating Tumor Cells With the CellSearch(R) System Can Predict Prognosis in Metastatic Breast Cancer
Date:7/13/2009

RARITAN, N.J., July 13 /PRNewswire/ -- Measuring the change in circulating tumor cell (CTC) count can accurately predict the prognosis and survival in patients with metastatic breast cancer (MBC), according to a newly published report in the July 10 issue of the Journal of Clinical Oncology. The retrospective study compared how well CTCs and a more sensitive than conventional modality, fluorodeoxyglucose positron emission tomography/computed tomography (FDG-PET/CT), predicted survival in MBC patients on standard therapies. The comparison showed that both technologies significantly correlate to overall MBC patient survival (p<0.001 for CTCs and p=0.001 for FDG-PET/CT). However, a CTC count of five or more could better predict the prognosis and survival in MBC patients.

The CellSearch(R) System is the first 510(k) diagnostic test used to automate the capture and detection of CTCs, tumor cells that have detached from solid tumors and entered the patient's blood.

"Measuring CTCs in metastatic breast cancer patients provides oncologists with an additional tool to help us better monitor patient outcomes," said one of the lead authors, Dr. Massimo Cristofanilli*, associate professor in the Department of Breast Medical Oncology at The University of Texas M. D. Anderson Cancer Center. "The CellSearch(R) CTC test provides an early indication about patients' disease progression and overall survival."

CTCs and FDG-PET/CT are two of the most promising new tools for therapeutic monitoring in patients with MBC. The number of CTCs identified in patients with MBC is related to patient prognosis; a high number of CTCs at any time during treatment is associated with poor prognosis.

"Veridex is committed to providing oncologists with high-value in vitro diagnostic solutions, such as the CellSearch(R) CTC test, to help them make informed patient care decisi
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SOURCE Veridex, LLC
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