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DNA Test Shows Promise in Guiding Advanced Breast Cancer Care

Blood sample helps doctors assess treatment response, researchers say

March 13, 2013 RSS Feed Print

But, Reis-Filho stressed, that's "crystal-ball gazing" for now.

Lucci said any real-world use of tumor DNA testing is a long way off.

"Number one, we need larger studies to confirm these findings," he said. But beyond that, researchers need to figure out how to do such DNA testing in a simpler, cheaper way, Lucci added.

"Currently, this would be way too expensive and time-consuming," he said. Only some academic cancer centers would have the resources to do this kind of testing as it stands, Lucci noted.

More information

Learn more about metastatic breast cancer from the Metastatic Breast Cancer Network.