Breast cancer drug could help more patients: researchers

The drug is Enhertu, an antibody-chemotherapy combo given by IV. Photo: Pexels

(CTV News) — For the first time, a drug targeting a protein that drives breast cancer growth has been shown to work against tumours with very low levels of the protein.

It’s not a cure. But this latest gain for targeted cancer therapy could open new treatment possibilities to thousands of patients with advanced breast cancer.

Until now, breast cancers have been categorized as either HER2-positive – the cancer cells have more of the protein than normal – or HER2-negative. Doctors reporting the advance Sunday said it will make “HER2-low” a new category for guiding breast cancer treatment. (…)

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