Australian researchers nearly double cure rates for the most common breast cancer
Breast cancer immunotherapy has achieved a breakthrough in Australia, with researchers nearly doubling cure rates for hormone receptor-positive breast cancer — the most common form of the disease, representing roughly 70% of all diagnoses worldwide. A combination of immunotherapy and chemotherapy produced pathological complete responses, meaning no detectable cancer remained at surgery, at rates far exceeding historical norms below 20%. Because HR+ tumors have long resisted immunotherapy, this result marks a significant turning point. With over 2.3 million breast cancer cases diagnosed globally each year, most of them HR+, the potential scale of impact is enormous.








