Scientists make exciting advancement in certain breast cancer drugs – CNN

This type of breast cancer tests positive for
higher levels of a protein called HER2.

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One study, published in the
New England Journal of Medicine last week, found that adding the experimental drug tucatinib to a chemotherapy regimen consisting of the drugs trastuzumab and capecitabine could improve survival for adults with advanced HER2-positive metastatic breast cancer.
The other study, also published in the New England Journal of Medicine last week, found that the experimental
drug conjugate called trastuzumab deruxtecan was able to substantially reduce tumor activity in patients with HER2-positive metastatic breast cancer.
“Both studies are evaluating new drugs for HER2-positive breast cancer, which represents about 15% to 20% of all breast cancers,” said Dr. Eric Winer, chief of the division of breast oncology at
Dana-Farber Cancer Institute in Boston and professor of medicine at Harvard Medical School, who was the senior author of the tucatinib study.

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