Blood test may help predict which breast cancers will recur

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Blood test may help predict which breast cancers will recur

A blood test could help predict breast cancer relapses.

A blood test five years after breast cancer treatment helped identify some women who were more likely to relapse, long before a lump or other signs appeared, a preliminary study found.

It was the largest experiment so far to use these tests, called liquid biopsies , for breast cancer. Results suggest they someday may help reveal which women need longer preventive therapy and which ones can be spared it.

“It could be providing an early warning sign” for some women that cancer is returning, said Dr. Joseph Sparano of Montefiore Einstein Center for Cancer Care in New York.

On the other hand, “if you had a negative test, there was a 98 percent chance you would not have a recurrence in the next two years” and perhaps could skip further treatment, he said.

Sparano led the study and gave results Friday at the San Antonio Breast Cancer Symposium.

The test — CellSearch, sold by Menarini-Silicon Biosystems — looks for stray cancer cells in the blood.

Breast cancer survivors may be tempted to rush out and get it, but doctors say it’s too soon for that. Although it’s been used for about a decade to monitor certain patients with advanced cancer during treatment, its value for helping to predict breast cancer relapse risk is not well established, and insurers won’t pay the $600 to $900 tab.

The new study should spur more research on this right away, said Dr. Massimo Cristofanilli, a breast cancer specialist at Northwestern University in Chicago who has used these tests and consults for another company developing one.

“Clearly, to me, we have to do something” now that this study suggests a wider role for them, he said.

Read full article: Blood test may help predict which breast cancers will recur – The Denver Post

Read Full Article: Blood test may help predict which breast cancers will recur – The Denver Post

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