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Results presented at major U.S. cancer conference
CHICAGO, May 30 /PRNewswire/ -- Agendia BV, a world leader in the rapidly evolving field of molecular diagnostics, announced today that data from two studies involving its MammaPrint(R) breast cancer prognosis test will be presented at the American Society of Clinical Oncology's (ASCO) annual meeting. Collectively, these findings show that MammaPrint, a prognostic test for breast cancer recurrence using a 70-gene signature, provides important information for more effective patient management.
"These studies demonstrate the clinical utility of MammaPrint in helping physicians make more informed decisions about the course of care for their patients with breast cancer," said Laura van 't Veer, Ph.D., Head of Molecular Pathology at the Netherlands Cancer Institute in Amsterdam, who participated in both studies. "Prognostic tests such as MammaPrint have ushered in a new era in personalized medicine, helping us to determine the most appropriate care based on an individual patient's risk and treatment preferences. This might mean, in some cases, avoiding harsh therapies that may otherwise not be effective."
In the first study (abstract #527), conducted at The University of Texas M.D. Anderson Cancer Center in Houston, tumor samples from 198 patients with early stage, lymph-node negative breast cancer were analyzed with multiple gene-expression assays, including MammaPrint, to determine whether both prognostic and treatment prediction data could be generated from a single specimen.
Among 32% of patients (64 of 198) predicted to be at low risk for
breast cancer recurrence with MammaPrint, 31% (20 of 64) were predicted to
be highly sensitive to endocrine therapy while 88% (56 of 64) were
predicted to be insensitive to chemotherapy. The remaining 134 patients who
were considered to be at high risk for cancer recurrence, were
predominantly predicted chemo-sensitive (>51%). The abstract
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