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Who gets targeted therapy for breast cancer?
Source: Targeted Therapy for Breast Cancer, National Cancer Institute.
Source updated: Not stated in this source · Captured 2026-09-09.
Selected source text with whitespace normalised. This Triangle page is not an NCI PDQ summary. Independent clinical review is pending.
NCI patient treatment article for this disease Exact source article; not a clinically reviewed indication or current-standard recommendation.
Context: Targeted Therapy for Breast Cancer
Who gets targeted therapy for breast cancer?
Many people with breast cancer get targeted therapy but not everyone. For example, targeted therapy may be an option for some people with:
HER2-positive breast cancer
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hormone receptor–positive breast cancer
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triple-negative breast cancer
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breast cancer that has a BRCA1 or BRCA2 mutation
Once breast cancer is diagnosed, breast cancer cells are routinely tested for the presence of certain biomarkers or tumor features. These tests can help determine if you are likely to benefit from targeted cancer therapy. To learn more, visit Tests for Breast Cancer Biomarkers.
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Preserved source evidence · Independent clinical review pending · Not medical advice