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    A new test, called EndoPredict, can predict the risk of a woman’s breast cancer spreading within 10 years of diagnosis more accurately than the current Oncotype Dx test. Also, research found that the results can be made available more quickly.
    A study, published in the Journal of the National Cancer Institute, compared EndoPredict with Oncotype DX. Both tests can predict whether breast cancer will spread in women with oestrogen receptor positive, HER2 negative (ER+/HER2-) disease. This is a sub-type of breast cancer that accounts for about two-thirds of all cases.
    The new EndoPredict test analyses eight different genes found in a sample of a patient’s tumour. This information, as well as the size of the patient’s tumour and their nodal status – whether the cancer has spread from the breast to their lymph nodes – are then used to determine the patient’s risk of their breast cancer spreading in the next 10 years.
    An ‘EPclin’ score categorises patients into low- and high-risk groups. Patients placed in the high-risk group would be recommended to have chemotherapy, but those in the low-risk group could be spared this treatment – and the debilitating side effects associated with it.
    In the study it was found that EndoPredict was more accurate and the results were available faster as compared to the conventional Oncotype Dx test.
    Points to remember:
    1. EndoPredict is meant for early breast cancers which are ER, PR positive (same as Oncotype Dx)
    2. It analyses 8 genes as compared to 21 in Onctoype Dx
     
     

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