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Genetic and clinical factors best to predict late recurrence in estrogen receptor POS breast cancer
Date:5/2/2013

of adjuvant endocrine therapy beyond five years, we still see two-thirds of breast cancer deaths occurring after this time. Clearly, the identification of women that are at risk for these late types of recurrences is an important clinical research goal," said Dr Dubsky, who was not involved in the study.

"Sestak and colleagues provide highly relevant new data to meet this end: they have compared five different prognostic scores in order to predict outcome beyond the first five years of follow-up. Of note, none of these scores were primarily trained to specifically predict late recurrence. They show that a Clinical Treatment score (CTS) contained most of the prognostic information relevant to late distant metastases. Interestingly, only the Risk of Recurrence (ROR) score (PAM50) and the Breast Cancer Index (BCI) score provided additional information to the CTS. This data will need further validation before actually being incorporated into clinical decision-making concerning adjuvant endocrine therapy beyond five years."

These findings are similar to those proposed by the Austrian Breast and Colorectal Cancer Study Group recently, Dr Dubsky said. "The Endopredict Score was able to add additional prognostic information to clinical variables concerning distant metastases occurring later than five years after diagnosis. Future research should further address which are the biologic motifs behind late recurrences. Furthermore, molecular tools specifically designed to predict late metastasis should be developed."


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Contact: Vanessa Pavinato
media@esmo.org
European Society for Medical Oncology
Source:Eurekalert

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