Genetic testing helps change the way breast cancer is treated

According to the results of a study published in the February 7 issue of The Lancet Oncology, French scientists used genetic testing to help women with breast cancer have the opportunity to continue. approach better treatments.

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The team of scientists, led by Professor Fabrice Andre of Gustave Roussy Academy in Paris, found the DNA of cancer cells found in more than 400 women with breast cancer metastasized some parts. Other, to determine the location of genes involved in individual tumors.

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Experts then looked at the suitability of these genes with the new experimental drugs used in the genetic test.

Results showed that up to 46% of genomic breast cancer patients responded to new potential treatments. Among them, 43 patients received the experimental drug corresponding to gene format and 13 patients responded well to treatment.

Professor Andre said the genetic testing method has so far only analyzed the limited number of genes to choose the right medicine for different patients and many possible treatment opportunities have been missed. .

According to Professor Andre, the study shows that capturing the entire gene can identify both frequent and rare gene changes simultaneously, which can be applied in medical practice to numbers. big women.

In the world, 39% of women with breast cancer have a rare genetic format, most of them have no treatment, including actual treatment and clinical trials.