About the CELLSEARCH® System

A question-and-answer guide to the CELLSEARCH® System—What it is, how it works, and how it can benefit the management of patients in your practice

> What is the CELLSEARCH® System?

Answer

The CELLSEARCH® System is the first standardized, FDA-cleared, semi-automated system that captures, isolates, and enumerates circulating tumor cells (CTCs) with a high level of sensitivity and specificity.1

  1. CELLSEARCH® Circulating Tumor Cell Kit (Epithelial) Instructions for Use. Janssen Diagnostics, LLC.

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> How does the CELLSEARCH® System work?

Answer

The CELLSEARCH® System uses unique technology to capture, isolate, and enumerate circulating tumor cells (CTCs) from a 7.5-mL blood sample.

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> What are the benefits of the CELLSEARCH® Circulating Tumor Cell Test?

Answer

The CELLSEARCH® CTC Test can provide important information about disease status based on predictive prognosis to provide information to assist in clinical decisions.

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> How are the results interpreted and what do they mean?

Answer

The number of CTCs in patients with metastatic breast, prostate*, or colorectal cancer can predict favorable or unfavorable prognosis at initiation of and over the course of disease.

*Metastatic prostate cancer patients were defined as having two consecutive increases in the serum marker prostate-specific antigen above a reference level, despite standard hormonal management. These patients are commonly described as having androgen-independent, hormone-resistant, or castration-resistant prostate cancer. For more information on the intended use and limitations for the CELLSEARCH® Circulating Tumor Cell Test, please refer to the Instructions for Use which can be found at documents.cellsearchctc.com.

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> How can CELLSEARCH® CTC Test help me in the treatment of my patients?

Answer

Serial testing of CTCs should be used in conjunction with other clinical methods, such as imaging, lab tests, physical examination, and complete medical history. This aggregate of information can be used to assess patient status to provide information to assist in clinical decisions.

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> How can I start testing my patients?

Answer

There are a number of laboratories that perform the CELLSEARCH® CTC Test.

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